diff --git a/.gitignore b/.gitignore
index e53ba5a..70a801e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,5 +37,4 @@ jspm_packages
# Copied fonts
examples/fonts
-dist/examples/fonts
-dist/fonts
+dist
diff --git a/dist/components.js b/dist/components.js
deleted file mode 100644
index 48566cf..0000000
--- a/dist/components.js
+++ /dev/null
@@ -1,16655 +0,0 @@
-(function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
- typeof define === 'function' && define.amd ? define(factory) :
- (factory());
-}(this, (function () { 'use strict';
-
-var base = "html {\n font-size: 20px;\n\tline-height: 1rem;\n\tfont-family: \"Libre Franklin\", \"Helvetica Neue\", sans-serif;\n text-size-adjust: 100%;\n -ms-text-size-adjust: 100%;\n -webkit-text-size-adjust: 100%;\n}\n\nbody {\n margin: 0;\n}\n\na {\n color: #004276;\n}\n\nfigure {\n margin: 0;\n}\n\ntable {\n\tborder-collapse: collapse;\n\tborder-spacing: 0;\n}\n\ntable th {\n\ttext-align: left;\n}\n\ntable thead {\n border-bottom: 1px solid rgba(0, 0, 0, 0.05);\n}\n\ntable thead th {\n padding-bottom: 0.5em;\n}\n\ntable tbody :first-child td {\n padding-top: 0.5em;\n}\n\npre {\n overflow: auto;\n max-width: 100%;\n}\n";
-
-var layout = "@supports not (display: grid) {\n d-article,\n d-title,\n d-byline,\n d-appendix,\n distill-footer {\n display: block;\n padding: 8px;\n }\n}\n\nd-article,\nd-title,\nd-byline,\nd-appendix,\ndistill-footer {\n display: grid;\n justify-items: stretch;\n grid-template-columns: [start] 8px [margin-left-outset] 8px [margin-left] 1fr [body] 0px [page] 8px [body-outset] 0px [page-outset] 8px [end];\n}\n\n@media(min-width: 768px) {\n\n d-article,\n d-title,\n d-byline,\n d-appendix,\n distill-footer {\n grid-template-columns: [start] 32px [margin-left-outset] 32px [margin-left] 3fr [body] 32px [body-outset] 1fr [page] 32px [page-outset] 32px [end];\n }\n}\n\n@media(min-width: 1024px) {\n d-article,\n d-title,\n d-byline,\n d-appendix,\n distill-footer {\n grid-template-columns: [start] 1fr [margin-left-outset] 32px [margin-left] 672px [body] 32px [body-outset] 224px [page] 32px [page-outset] 1fr [end];\n }\n}\n\nd-appendix,\nd-article > d-title,\nd-article > d-title > d-byline,\nd-article > distill-footer {\n grid-column: start / end;\n}\n\n.l-body,\nd-article > * {\n grid-column: margin-left / body;\n}\n\n.l-page {\n grid-column: margin-left / page;\n}\n\n.l-body-outset {\n grid-column: margin-left-outset / body-outset;\n}\n\n.l-page-outset {\n grid-column: margin-left-outset / page-outset;\n}\n\n.l-screen {\n grid-column: start / end;\n}\n\n.l-screen-inset {\n grid-column: start / end;\n padding-left: 16px;\n padding-left: 16px;\n}\n\n\n/* Aside */\n\naside {\n grid-column: margin-left / body;\n}\n\n@media(min-width: 768px) {\n aside {\n grid-column: body-outset / page;\n font-size: 14px;\n line-height: 1.3;\n }\n}\n/*\n.l-body,\n.l-page,\n.l-middle,\nd-article > div,\nd-article > p,\nd-article > h1,\nd-article > h2,\nd-article > h3,\nd-article > h4,\nd-article > figure,\nd-article > ul,\nd-article > d-abstract,\nd-article > d-code,\nd-article > d-math,\nd-article > table,\nd-article section > div,\nd-article section > p,\nd-article section > h1,\nd-article section > h2,\nd-article section > h3,\nd-article section > h4,\nd-article section > figure,\nd-article section > ul,\nd-article section > d-abstract,\nd-article section > d-code,\nd-article section > d-math,\nd-article section > table {\n width: calc(100% - 32px);\n margin-left: 16px;\n margin-right: 16px;\n box-sizing: border-box;\n}\n\n.l-body-outset,\n.l-page-outset,\n.l-middle-outset {\n width: calc(100% - 16px);\n margin-left: 8px;\n margin-right: 8px;\n}\n\n.l-screen {\n margin-left: 0px;\n margin-right: 0px;\n width: 100%;\n background-color: #F8F8FC;\n border-top: 1px solid #E8E8EC;\n border-bottom: 1px solid #E8E8EC;\n}\n\n@media(min-width: 768px) {\n .l-body,\n d-article > div,\n d-article > p,\n d-article > h1,\n d-article > h2,\n d-article > h3,\n d-article > h4,\n d-article > figure,\n d-article > ul,\n d-article > d-abstract,\n d-article > d-code,\n d-article > d-math,\n d-article > d-math,\n d-article section > div,\n d-article section > p,\n d-article section > h1,\n d-article section > h2,\n d-article section > h3,\n d-article section > h4,\n d-article section > figure,\n d-article section > ul,\n d-article section > d-abstract,\n d-article section > d-code,\n d-article section > d-math,\n d-article section > table {\n margin-left: 64px;\n width: calc((100% - 2 * 64px - 3 * 16px)/4*3 + 2*16px );\n }\n\n .l-body-outset {\n margin-left: 32px;\n width: calc((100% - 2 * 64px - 3 * 16px)/4*3 + 2*16px + 64px );;\n }\n\n .l-middle,\n .l-middle-outset,\n .l-page {\n margin-left: 64px;\n margin-right: 64px;\n width: calc(100% - 2*64px);\n }\n\n .l-page-outset {\n margin-left: 32px;\n margin-right: 32px;\n width: calc(100% - 64px);\n }\n\n .margin {\n font-size: 14px;\n line-height: normal;\n clear: both;\n float: right;\n margin-top: 0;\n margin-left: 0;\n margin-right: 64px;\n width: calc((100% - 2 * 64px - 3 * 16px)/4);\n }\n}\n\n@media(min-width: 1024px) {\n .l-body,\n d-article > div,\n d-article > p,\n d-article > h2,\n d-article > h3,\n d-article > h4,\n d-article > figure,\n d-article > ul,\n d-article > d-abstract,\n d-article > d-code,\n d-article > d-math,\n d-article > table,\n d-article section > div,\n d-article section > p,\n d-article section > h2,\n d-article section > h3,\n d-article section > h4,\n d-article section > figure,\n d-article section > ul,\n d-article section > d-abstract,\n d-article section > d-code,\n d-article section > d-math,\n d-article section > table {\n margin-left: calc(50% - (1024px - 2*64px) / 2);\n width: 668px;\n }\n\n .l-body-outset {\n margin-left: calc((50% - (1024px - 2*64px) / 2) - 32px);\n width: calc(668px + 64px)\n }\n\n .l-middle,\n .l-middle-outset,\n .l-page {\n margin-left: calc(50% - (1024px - 2*64px) / 2);\n width: calc(100% - 2* (50% - (1024px - 2*64px) / 2));\n }\n\n .l-page-outset {\n margin-left: calc((50% - (1024px - 2*64px) / 2) - 32px);\n width: calc(100% - 2* (50% - (1024px - 2*64px) / 2) + 64px);\n }\n\n .margin {\n font-size: 14px;\n line-height: normal;\n clear: both;\n float: right;\n margin-top: 0;\n margin-left: 0;\n margin-right: calc(50% - (1024px - 2*64px) / 2);\n width: 206px;\n }\n\n\n /* Side */\n\n /*\n .side.l-body,\n d-article .side.l-body {\n clear: both;\n float: right;\n margin-top: 0;\n margin-left: 48px;\n margin-right: calc((100vw - 984px + 648px) / 2);\n width: calc(648px / 2 - 24px - 84px);\n }\n .side.l-body-outset,\n d-article .side.l-body-outset {\n clear: both;\n float: right;\n margin-top: 0;\n margin-left: 48px;\n margin-right: calc((100vw - 984px + 648px - 48px) / 2);\n width: calc(648px / 2 - 48px + 24px);\n }\n .side.l-middle,\n d-article .side.l-middle {\n clear: both;\n float: right;\n width: calc(456px - 84px);\n margin-left: 48px;\n margin-right: calc((100vw - 984px) / 2 + 168px);\n }\n .side.l-middle-outset,\n d-article .side.l-middle-outset {\n clear: both;\n float: right;\n width: 456px;\n margin-left: 48px;\n margin-right: calc((100vw - 984px) / 2 + 168px);\n }\n .side.l-page,\n d-article .side.l-page {\n clear: both;\n float: right;\n margin-left: 48px;\n width: calc(624px - 84px);\n margin-right: calc((100vw - 984px) / 2);\n }\n .side.l-page-outset,\n d-article .side.l-page-outset {\n clear: both;\n float: right;\n width: 624px;\n margin-right: calc((100vw - 984px) / 2);\n }\n}*/\n\n/* Rows and Columns */\n\n.row {\n display: flex;\n}\n.column {\n flex: 1;\n box-sizing: border-box;\n margin-right: 24px;\n margin-left: 24px;\n}\n.row > .column:first-of-type {\n margin-left: 0;\n}\n.row > .column:last-of-type {\n margin-right: 0;\n}\n";
-
-var article = "\nd-article {\n color: rgba(0, 0, 0, 0.8);\n padding-top: 0;\n padding-bottom: 72px;\n overflow: hidden;\n font-size: 14px;\n line-height: 1.6em;\n /*border-top: 1px solid rgba(0, 0, 0, 0.2);*/\n}\n@media(min-width: 768px) {\n d-article {\n font-size: 16px;\n }\n}\n@media(min-width: 1024px) {\n d-article {\n font-size: 18px;\n }\n}\n\n/* H2 */\n\nd-article h2 {\n font-weight: 600;\n font-size: 26px;\n line-height: 1.25em;\n margin-top: 16px;\n margin-bottom: 24px;\n padding-bottom: 24px;\n border-bottom: 1px solid rgba(0, 0, 0, 0.1);\n}\n@media(min-width: 1024px) {\n d-article h2 {\n margin-top: 2em;\n font-size: 32px;\n }\n}\nd-article h1 + h2 {\n font-weight: 300;\n font-size: 20px;\n line-height: 1.4em;\n margin-top: 8px;\n font-style: normal;\n}\n@media(min-width: 1080px) {\n .centered h1 + h2 {\n text-align: center;\n }\n d-article h1 + h2 {\n margin-top: 12px;\n font-size: 32px;\n }\n}\n\n/* H3 */\n\nd-article h3 {\n font-weight: 600;\n font-size: 20px;\n line-height: 1.4em;\n margin-top: 36px;\n margin-bottom: 18px;\n font-style: italic;\n}\nd-article h1 + h3 {\n margin-top: 48px;\n}\n@media(min-width: 1024px) {\n d-article h3 {\n font-size: 26px;\n }\n}\n\n/* H4 */\n\nd-article h4 {\n font-weight: 600;\n text-transform: uppercase;\n font-size: 14px;\n line-height: 1.4em;\n}\nd-article a {\n color: inherit;\n}\nd-article p,\nd-article ul,\nd-article ol {\n margin-bottom: 24px;\n}\nd-article p b,\nd-article ul b,\nd-article ol b {\n -webkit-font-smoothing: antialiased;\n}\nd-article a {\n border-bottom: 1px solid rgba(0, 0, 0, 0.4);\n text-decoration: none;\n}\nd-article a:hover {\n border-bottom: 1px solid rgba(0, 0, 0, 0.8);\n}\nd-article .link {\n text-decoration: underline;\n cursor: pointer;\n}\nd-article ul,\nd-article ol {\n padding-left: 24px;\n}\nd-article li {\n margin-bottom: 24px;\n margin-left: 0;\n padding-left: 0;\n}\nd-article pre {\n font-size: 14px;\n margin-bottom: 20px;\n}\nd-article hr {\n border: none;\n border-bottom: 1px solid rgba(0, 0, 0, 0.2);\n margin-top: 60px;\n margin-bottom: 60px;\n}\nd-article section {\n margin-top: 60px;\n margin-bottom: 60px;\n}\n\n/* Figure */\n\nd-article figure {\n position: relative;\n margin-top: 30px;\n margin-bottom: 30px;\n}\n@media(min-width: 1024px) {\n d-article figure {\n margin-top: 48px;\n margin-bottom: 48px;\n }\n}\nd-article figure img {\n width: 100%;\n}\nd-article figure svg text,\nd-article figure svg tspan {\n}\nd-article figure figcaption {\n color: rgba(0, 0, 0, 0.6);\n font-size: 12px;\n line-height: 1.5em;\n}\n@media(min-width: 1024px) {\n d-article figure figcaption {\n font-size: 13px;\n }\n}\nd-article figure.external img {\n background: white;\n border: 1px solid rgba(0, 0, 0, 0.1);\n box-shadow: 0 1px 8px rgba(0, 0, 0, 0.1);\n padding: 18px;\n box-sizing: border-box;\n}\nd-article figure figcaption a {\n color: rgba(0, 0, 0, 0.6);\n}\n/*d-article figure figcaption::before {\n position: relative;\n display: block;\n top: -20px;\n content: \"\";\n width: 25px;\n border-top: 1px solid rgba(0, 0, 0, 0.3);\n}*/\nd-article span.equation-mimic {\n font-family: georgia;\n font-size: 115%;\n font-style: italic;\n}\nd-article figure figcaption b {\n font-weight: 600;\n color: rgba(0, 0, 0, 1.0);\n}\nd-article > d-code,\nd-article section > d-code {\n display: block;\n}\nd-article > d-math[block],\nd-article section > d-math[block] {\n display: block;\n}\nd-article .citation {\n color: #668;\n cursor: pointer;\n}\nd-include {\n width: auto;\n display: block;\n}\n";
-
-var print = "@media print {\n\n @page {\n size: 8in 11in;\n @bottom-right {\n content: counter(page) \" of \" counter(pages);\n }\n }\n\n html {\n /* no general margins -- CSS Grid takes care of those */\n }\n\n p, code {\n page-break-inside: avoid;\n }\n\n h2, h3 {\n page-break-after: avoid;\n }\n\n d-header {\n visibility: hidden;\n }\n\n d-footer {\n display: none!important;\n }\n\n}\n";
-
-var katexCSS = "@font-face{font-family:KaTeX_AMS;src:url(fonts/KaTeX_AMS-Regular.eot);src:url(fonts/KaTeX_AMS-Regular.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_AMS-Regular.woff2) format('woff2'),url(fonts/KaTeX_AMS-Regular.woff) format('woff'),url(fonts/KaTeX_AMS-Regular.ttf) format('truetype');font-weight:400;font-style:normal}@font-face{font-family:KaTeX_Caligraphic;src:url(fonts/KaTeX_Caligraphic-Bold.eot);src:url(fonts/KaTeX_Caligraphic-Bold.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Caligraphic-Bold.woff2) format('woff2'),url(fonts/KaTeX_Caligraphic-Bold.woff) format('woff'),url(fonts/KaTeX_Caligraphic-Bold.ttf) format('truetype');font-weight:700;font-style:normal}@font-face{font-family:KaTeX_Caligraphic;src:url(fonts/KaTeX_Caligraphic-Regular.eot);src:url(fonts/KaTeX_Caligraphic-Regular.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Caligraphic-Regular.woff2) format('woff2'),url(fonts/KaTeX_Caligraphic-Regular.woff) format('woff'),url(fonts/KaTeX_Caligraphic-Regular.ttf) format('truetype');font-weight:400;font-style:normal}@font-face{font-family:KaTeX_Fraktur;src:url(fonts/KaTeX_Fraktur-Bold.eot);src:url(fonts/KaTeX_Fraktur-Bold.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Fraktur-Bold.woff2) format('woff2'),url(fonts/KaTeX_Fraktur-Bold.woff) format('woff'),url(fonts/KaTeX_Fraktur-Bold.ttf) format('truetype');font-weight:700;font-style:normal}@font-face{font-family:KaTeX_Fraktur;src:url(fonts/KaTeX_Fraktur-Regular.eot);src:url(fonts/KaTeX_Fraktur-Regular.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Fraktur-Regular.woff2) format('woff2'),url(fonts/KaTeX_Fraktur-Regular.woff) format('woff'),url(fonts/KaTeX_Fraktur-Regular.ttf) format('truetype');font-weight:400;font-style:normal}@font-face{font-family:KaTeX_Main;src:url(fonts/KaTeX_Main-Bold.eot);src:url(fonts/KaTeX_Main-Bold.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Main-Bold.woff2) format('woff2'),url(fonts/KaTeX_Main-Bold.woff) format('woff'),url(fonts/KaTeX_Main-Bold.ttf) format('truetype');font-weight:700;font-style:normal}@font-face{font-family:KaTeX_Main;src:url(fonts/KaTeX_Main-Italic.eot);src:url(fonts/KaTeX_Main-Italic.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Main-Italic.woff2) format('woff2'),url(fonts/KaTeX_Main-Italic.woff) format('woff'),url(fonts/KaTeX_Main-Italic.ttf) format('truetype');font-weight:400;font-style:italic}@font-face{font-family:KaTeX_Main;src:url(fonts/KaTeX_Main-Regular.eot);src:url(fonts/KaTeX_Main-Regular.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Main-Regular.woff2) format('woff2'),url(fonts/KaTeX_Main-Regular.woff) format('woff'),url(fonts/KaTeX_Main-Regular.ttf) format('truetype');font-weight:400;font-style:normal}@font-face{font-family:KaTeX_Math;src:url(fonts/KaTeX_Math-Italic.eot);src:url(fonts/KaTeX_Math-Italic.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Math-Italic.woff2) 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format('truetype');font-weight:400;font-style:normal}@font-face{font-family:KaTeX_Size4;src:url(fonts/KaTeX_Size4-Regular.eot);src:url(fonts/KaTeX_Size4-Regular.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Size4-Regular.woff2) format('woff2'),url(fonts/KaTeX_Size4-Regular.woff) format('woff'),url(fonts/KaTeX_Size4-Regular.ttf) format('truetype');font-weight:400;font-style:normal}@font-face{font-family:KaTeX_Typewriter;src:url(fonts/KaTeX_Typewriter-Regular.eot);src:url(fonts/KaTeX_Typewriter-Regular.eot#iefix) format('embedded-opentype'),url(fonts/KaTeX_Typewriter-Regular.woff2) format('woff2'),url(fonts/KaTeX_Typewriter-Regular.woff) format('woff'),url(fonts/KaTeX_Typewriter-Regular.ttf) format('truetype');font-weight:400;font-style:normal}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:inline-block;text-align:initial}.katex{font:400 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;white-space:nowrap;text-indent:0}.katex .katex-html{display:inline-block}.katex .katex-mathml{position:absolute;clip:rect(1px,1px,1px,1px);padding:0;border:0;height:1px;width:1px;overflow:hidden}.katex .base,.katex .strut{display:inline-block}.katex .mathrm{font-style:normal}.katex .textit{font-style:italic}.katex .mathit{font-family:KaTeX_Math;font-style:italic}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .amsrm,.katex .mathbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak{font-family:KaTeX_Fraktur}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr{font-family:KaTeX_Script}.katex .mathsf{font-family:KaTeX_SansSerif}.katex .mainit{font-family:KaTeX_Main;font-style:italic}.katex .mord+.mop{margin-left:.16667em}.katex .mord+.mbin{margin-left:.22222em}.katex .mord+.mrel{margin-left:.27778em}.katex .mop+.mop,.katex .mop+.mord,.katex .mord+.minner{margin-left:.16667em}.katex .mop+.mrel{margin-left:.27778em}.katex .mop+.minner{margin-left:.16667em}.katex 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-var durationHour = 36e5;
-var durationDay = 864e5;
-var durationWeek = 6048e5;
-
-var second = newInterval(function(date) {
- date.setTime(Math.floor(date / durationSecond) * durationSecond);
-}, function(date, step) {
- date.setTime(+date + step * durationSecond);
-}, function(start, end) {
- return (end - start) / durationSecond;
-}, function(date) {
- return date.getUTCSeconds();
-});
-
-var minute = newInterval(function(date) {
- date.setTime(Math.floor(date / durationMinute) * durationMinute);
-}, function(date, step) {
- date.setTime(+date + step * durationMinute);
-}, function(start, end) {
- return (end - start) / durationMinute;
-}, function(date) {
- return date.getMinutes();
-});
-
-var hour = newInterval(function(date) {
- var offset = date.getTimezoneOffset() * durationMinute % durationHour;
- if (offset < 0) offset += durationHour;
- date.setTime(Math.floor((+date - offset) / durationHour) * durationHour + offset);
-}, function(date, step) {
- date.setTime(+date + step * durationHour);
-}, function(start, end) {
- return (end - start) / durationHour;
-}, function(date) {
- return date.getHours();
-});
-
-var day = newInterval(function(date) {
- date.setHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setDate(date.getDate() + step);
-}, function(start, end) {
- return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationDay;
-}, function(date) {
- return date.getDate() - 1;
-});
-
-function weekday(i) {
- return newInterval(function(date) {
- date.setDate(date.getDate() - (date.getDay() + 7 - i) % 7);
- date.setHours(0, 0, 0, 0);
- }, function(date, step) {
- date.setDate(date.getDate() + step * 7);
- }, function(start, end) {
- return (end - start - (end.getTimezoneOffset() - start.getTimezoneOffset()) * durationMinute) / durationWeek;
- });
-}
-
-var sunday = weekday(0);
-var monday = weekday(1);
-var tuesday = weekday(2);
-var wednesday = weekday(3);
-var thursday = weekday(4);
-var friday = weekday(5);
-var saturday = weekday(6);
-
-var month = newInterval(function(date) {
- date.setDate(1);
- date.setHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setMonth(date.getMonth() + step);
-}, function(start, end) {
- return end.getMonth() - start.getMonth() + (end.getFullYear() - start.getFullYear()) * 12;
-}, function(date) {
- return date.getMonth();
-});
-
-var year = newInterval(function(date) {
- date.setMonth(0, 1);
- date.setHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setFullYear(date.getFullYear() + step);
-}, function(start, end) {
- return end.getFullYear() - start.getFullYear();
-}, function(date) {
- return date.getFullYear();
-});
-
-// An optimized implementation for this simple case.
-year.every = function(k) {
- return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) {
- date.setFullYear(Math.floor(date.getFullYear() / k) * k);
- date.setMonth(0, 1);
- date.setHours(0, 0, 0, 0);
- }, function(date, step) {
- date.setFullYear(date.getFullYear() + step * k);
- });
-};
-
-var utcMinute = newInterval(function(date) {
- date.setUTCSeconds(0, 0);
-}, function(date, step) {
- date.setTime(+date + step * durationMinute);
-}, function(start, end) {
- return (end - start) / durationMinute;
-}, function(date) {
- return date.getUTCMinutes();
-});
-
-var utcHour = newInterval(function(date) {
- date.setUTCMinutes(0, 0, 0);
-}, function(date, step) {
- date.setTime(+date + step * durationHour);
-}, function(start, end) {
- return (end - start) / durationHour;
-}, function(date) {
- return date.getUTCHours();
-});
-
-var utcDay = newInterval(function(date) {
- date.setUTCHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setUTCDate(date.getUTCDate() + step);
-}, function(start, end) {
- return (end - start) / durationDay;
-}, function(date) {
- return date.getUTCDate() - 1;
-});
-
-function utcWeekday(i) {
- return newInterval(function(date) {
- date.setUTCDate(date.getUTCDate() - (date.getUTCDay() + 7 - i) % 7);
- date.setUTCHours(0, 0, 0, 0);
- }, function(date, step) {
- date.setUTCDate(date.getUTCDate() + step * 7);
- }, function(start, end) {
- return (end - start) / durationWeek;
- });
-}
-
-var utcSunday = utcWeekday(0);
-var utcMonday = utcWeekday(1);
-var utcTuesday = utcWeekday(2);
-var utcWednesday = utcWeekday(3);
-var utcThursday = utcWeekday(4);
-var utcFriday = utcWeekday(5);
-var utcSaturday = utcWeekday(6);
-
-var utcMonth = newInterval(function(date) {
- date.setUTCDate(1);
- date.setUTCHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setUTCMonth(date.getUTCMonth() + step);
-}, function(start, end) {
- return end.getUTCMonth() - start.getUTCMonth() + (end.getUTCFullYear() - start.getUTCFullYear()) * 12;
-}, function(date) {
- return date.getUTCMonth();
-});
-
-var utcYear = newInterval(function(date) {
- date.setUTCMonth(0, 1);
- date.setUTCHours(0, 0, 0, 0);
-}, function(date, step) {
- date.setUTCFullYear(date.getUTCFullYear() + step);
-}, function(start, end) {
- return end.getUTCFullYear() - start.getUTCFullYear();
-}, function(date) {
- return date.getUTCFullYear();
-});
-
-// An optimized implementation for this simple case.
-utcYear.every = function(k) {
- return !isFinite(k = Math.floor(k)) || !(k > 0) ? null : newInterval(function(date) {
- date.setUTCFullYear(Math.floor(date.getUTCFullYear() / k) * k);
- date.setUTCMonth(0, 1);
- date.setUTCHours(0, 0, 0, 0);
- }, function(date, step) {
- date.setUTCFullYear(date.getUTCFullYear() + step * k);
- });
-};
-
-function localDate(d) {
- if (0 <= d.y && d.y < 100) {
- var date = new Date(-1, d.m, d.d, d.H, d.M, d.S, d.L);
- date.setFullYear(d.y);
- return date;
- }
- return new Date(d.y, d.m, d.d, d.H, d.M, d.S, d.L);
-}
-
-function utcDate(d) {
- if (0 <= d.y && d.y < 100) {
- var date = new Date(Date.UTC(-1, d.m, d.d, d.H, d.M, d.S, d.L));
- date.setUTCFullYear(d.y);
- return date;
- }
- return new Date(Date.UTC(d.y, d.m, d.d, d.H, d.M, d.S, d.L));
-}
-
-function newYear(y) {
- return {y: y, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0};
-}
-
-function formatLocale(locale) {
- var locale_dateTime = locale.dateTime,
- locale_date = locale.date,
- locale_time = locale.time,
- locale_periods = locale.periods,
- locale_weekdays = locale.days,
- locale_shortWeekdays = locale.shortDays,
- locale_months = locale.months,
- locale_shortMonths = locale.shortMonths;
-
- var periodRe = formatRe(locale_periods),
- periodLookup = formatLookup(locale_periods),
- weekdayRe = formatRe(locale_weekdays),
- weekdayLookup = formatLookup(locale_weekdays),
- shortWeekdayRe = formatRe(locale_shortWeekdays),
- shortWeekdayLookup = formatLookup(locale_shortWeekdays),
- monthRe = formatRe(locale_months),
- monthLookup = formatLookup(locale_months),
- shortMonthRe = formatRe(locale_shortMonths),
- shortMonthLookup = formatLookup(locale_shortMonths);
-
- var formats = {
- "a": formatShortWeekday,
- "A": formatWeekday,
- "b": formatShortMonth,
- "B": formatMonth,
- "c": null,
- "d": formatDayOfMonth,
- "e": formatDayOfMonth,
- "H": formatHour24,
- "I": formatHour12,
- "j": formatDayOfYear,
- "L": formatMilliseconds,
- "m": formatMonthNumber,
- "M": formatMinutes,
- "p": formatPeriod,
- "S": formatSeconds,
- "U": formatWeekNumberSunday,
- "w": formatWeekdayNumber,
- "W": formatWeekNumberMonday,
- "x": null,
- "X": null,
- "y": formatYear,
- "Y": formatFullYear,
- "Z": formatZone,
- "%": formatLiteralPercent
- };
-
- var utcFormats = {
- "a": formatUTCShortWeekday,
- "A": formatUTCWeekday,
- "b": formatUTCShortMonth,
- "B": formatUTCMonth,
- "c": null,
- "d": formatUTCDayOfMonth,
- "e": formatUTCDayOfMonth,
- "H": formatUTCHour24,
- "I": formatUTCHour12,
- "j": formatUTCDayOfYear,
- "L": formatUTCMilliseconds,
- "m": formatUTCMonthNumber,
- "M": formatUTCMinutes,
- "p": formatUTCPeriod,
- "S": formatUTCSeconds,
- "U": formatUTCWeekNumberSunday,
- "w": formatUTCWeekdayNumber,
- "W": formatUTCWeekNumberMonday,
- "x": null,
- "X": null,
- "y": formatUTCYear,
- "Y": formatUTCFullYear,
- "Z": formatUTCZone,
- "%": formatLiteralPercent
- };
-
- var parses = {
- "a": parseShortWeekday,
- "A": parseWeekday,
- "b": parseShortMonth,
- "B": parseMonth,
- "c": parseLocaleDateTime,
- "d": parseDayOfMonth,
- "e": parseDayOfMonth,
- "H": parseHour24,
- "I": parseHour24,
- "j": parseDayOfYear,
- "L": parseMilliseconds,
- "m": parseMonthNumber,
- "M": parseMinutes,
- "p": parsePeriod,
- "S": parseSeconds,
- "U": parseWeekNumberSunday,
- "w": parseWeekdayNumber,
- "W": parseWeekNumberMonday,
- "x": parseLocaleDate,
- "X": parseLocaleTime,
- "y": parseYear,
- "Y": parseFullYear,
- "Z": parseZone,
- "%": parseLiteralPercent
- };
-
- // These recursive directive definitions must be deferred.
- formats.x = newFormat(locale_date, formats);
- formats.X = newFormat(locale_time, formats);
- formats.c = newFormat(locale_dateTime, formats);
- utcFormats.x = newFormat(locale_date, utcFormats);
- utcFormats.X = newFormat(locale_time, utcFormats);
- utcFormats.c = newFormat(locale_dateTime, utcFormats);
-
- function newFormat(specifier, formats) {
- return function(date) {
- var string = [],
- i = -1,
- j = 0,
- n = specifier.length,
- c,
- pad,
- format;
-
- if (!(date instanceof Date)) date = new Date(+date);
-
- while (++i < n) {
- if (specifier.charCodeAt(i) === 37) {
- string.push(specifier.slice(j, i));
- if ((pad = pads[c = specifier.charAt(++i)]) != null) c = specifier.charAt(++i);
- else pad = c === "e" ? " " : "0";
- if (format = formats[c]) c = format(date, pad);
- string.push(c);
- j = i + 1;
- }
- }
-
- string.push(specifier.slice(j, i));
- return string.join("");
- };
- }
-
- function newParse(specifier, newDate) {
- return function(string) {
- var d = newYear(1900),
- i = parseSpecifier(d, specifier, string += "", 0);
- if (i != string.length) return null;
-
- // The am-pm flag is 0 for AM, and 1 for PM.
- if ("p" in d) d.H = d.H % 12 + d.p * 12;
-
- // Convert day-of-week and week-of-year to day-of-year.
- if ("W" in d || "U" in d) {
- if (!("w" in d)) d.w = "W" in d ? 1 : 0;
- var day$$1 = "Z" in d ? utcDate(newYear(d.y)).getUTCDay() : newDate(newYear(d.y)).getDay();
- d.m = 0;
- d.d = "W" in d ? (d.w + 6) % 7 + d.W * 7 - (day$$1 + 5) % 7 : d.w + d.U * 7 - (day$$1 + 6) % 7;
- }
-
- // If a time zone is specified, all fields are interpreted as UTC and then
- // offset according to the specified time zone.
- if ("Z" in d) {
- d.H += d.Z / 100 | 0;
- d.M += d.Z % 100;
- return utcDate(d);
- }
-
- // Otherwise, all fields are in local time.
- return newDate(d);
- };
- }
-
- function parseSpecifier(d, specifier, string, j) {
- var i = 0,
- n = specifier.length,
- m = string.length,
- c,
- parse;
-
- while (i < n) {
- if (j >= m) return -1;
- c = specifier.charCodeAt(i++);
- if (c === 37) {
- c = specifier.charAt(i++);
- parse = parses[c in pads ? specifier.charAt(i++) : c];
- if (!parse || ((j = parse(d, string, j)) < 0)) return -1;
- } else if (c != string.charCodeAt(j++)) {
- return -1;
- }
- }
-
- return j;
- }
-
- function parsePeriod(d, string, i) {
- var n = periodRe.exec(string.slice(i));
- return n ? (d.p = periodLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseShortWeekday(d, string, i) {
- var n = shortWeekdayRe.exec(string.slice(i));
- return n ? (d.w = shortWeekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseWeekday(d, string, i) {
- var n = weekdayRe.exec(string.slice(i));
- return n ? (d.w = weekdayLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseShortMonth(d, string, i) {
- var n = shortMonthRe.exec(string.slice(i));
- return n ? (d.m = shortMonthLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseMonth(d, string, i) {
- var n = monthRe.exec(string.slice(i));
- return n ? (d.m = monthLookup[n[0].toLowerCase()], i + n[0].length) : -1;
- }
-
- function parseLocaleDateTime(d, string, i) {
- return parseSpecifier(d, locale_dateTime, string, i);
- }
-
- function parseLocaleDate(d, string, i) {
- return parseSpecifier(d, locale_date, string, i);
- }
-
- function parseLocaleTime(d, string, i) {
- return parseSpecifier(d, locale_time, string, i);
- }
-
- function formatShortWeekday(d) {
- return locale_shortWeekdays[d.getDay()];
- }
-
- function formatWeekday(d) {
- return locale_weekdays[d.getDay()];
- }
-
- function formatShortMonth(d) {
- return locale_shortMonths[d.getMonth()];
- }
-
- function formatMonth(d) {
- return locale_months[d.getMonth()];
- }
-
- function formatPeriod(d) {
- return locale_periods[+(d.getHours() >= 12)];
- }
-
- function formatUTCShortWeekday(d) {
- return locale_shortWeekdays[d.getUTCDay()];
- }
-
- function formatUTCWeekday(d) {
- return locale_weekdays[d.getUTCDay()];
- }
-
- function formatUTCShortMonth(d) {
- return locale_shortMonths[d.getUTCMonth()];
- }
-
- function formatUTCMonth(d) {
- return locale_months[d.getUTCMonth()];
- }
-
- function formatUTCPeriod(d) {
- return locale_periods[+(d.getUTCHours() >= 12)];
- }
-
- return {
- format: function(specifier) {
- var f = newFormat(specifier += "", formats);
- f.toString = function() { return specifier; };
- return f;
- },
- parse: function(specifier) {
- var p = newParse(specifier += "", localDate);
- p.toString = function() { return specifier; };
- return p;
- },
- utcFormat: function(specifier) {
- var f = newFormat(specifier += "", utcFormats);
- f.toString = function() { return specifier; };
- return f;
- },
- utcParse: function(specifier) {
- var p = newParse(specifier, utcDate);
- p.toString = function() { return specifier; };
- return p;
- }
- };
-}
-
-var pads = {"-": "", "_": " ", "0": "0"};
-var numberRe = /^\s*\d+/;
-var percentRe = /^%/;
-var requoteRe = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
-
-function pad(value, fill, width) {
- var sign = value < 0 ? "-" : "",
- string = (sign ? -value : value) + "",
- length = string.length;
- return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
-}
-
-function requote(s) {
- return s.replace(requoteRe, "\\$&");
-}
-
-function formatRe(names) {
- return new RegExp("^(?:" + names.map(requote).join("|") + ")", "i");
-}
-
-function formatLookup(names) {
- var map = {}, i = -1, n = names.length;
- while (++i < n) map[names[i].toLowerCase()] = i;
- return map;
-}
-
-function parseWeekdayNumber(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 1));
- return n ? (d.w = +n[0], i + n[0].length) : -1;
-}
-
-function parseWeekNumberSunday(d, string, i) {
- var n = numberRe.exec(string.slice(i));
- return n ? (d.U = +n[0], i + n[0].length) : -1;
-}
-
-function parseWeekNumberMonday(d, string, i) {
- var n = numberRe.exec(string.slice(i));
- return n ? (d.W = +n[0], i + n[0].length) : -1;
-}
-
-function parseFullYear(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 4));
- return n ? (d.y = +n[0], i + n[0].length) : -1;
-}
-
-function parseYear(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.y = +n[0] + (+n[0] > 68 ? 1900 : 2000), i + n[0].length) : -1;
-}
-
-function parseZone(d, string, i) {
- var n = /^(Z)|([+-]\d\d)(?:\:?(\d\d))?/.exec(string.slice(i, i + 6));
- return n ? (d.Z = n[1] ? 0 : -(n[2] + (n[3] || "00")), i + n[0].length) : -1;
-}
-
-function parseMonthNumber(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.m = n[0] - 1, i + n[0].length) : -1;
-}
-
-function parseDayOfMonth(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.d = +n[0], i + n[0].length) : -1;
-}
-
-function parseDayOfYear(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 3));
- return n ? (d.m = 0, d.d = +n[0], i + n[0].length) : -1;
-}
-
-function parseHour24(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.H = +n[0], i + n[0].length) : -1;
-}
-
-function parseMinutes(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.M = +n[0], i + n[0].length) : -1;
-}
-
-function parseSeconds(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 2));
- return n ? (d.S = +n[0], i + n[0].length) : -1;
-}
-
-function parseMilliseconds(d, string, i) {
- var n = numberRe.exec(string.slice(i, i + 3));
- return n ? (d.L = +n[0], i + n[0].length) : -1;
-}
-
-function parseLiteralPercent(d, string, i) {
- var n = percentRe.exec(string.slice(i, i + 1));
- return n ? i + n[0].length : -1;
-}
-
-function formatDayOfMonth(d, p) {
- return pad(d.getDate(), p, 2);
-}
-
-function formatHour24(d, p) {
- return pad(d.getHours(), p, 2);
-}
-
-function formatHour12(d, p) {
- return pad(d.getHours() % 12 || 12, p, 2);
-}
-
-function formatDayOfYear(d, p) {
- return pad(1 + day.count(year(d), d), p, 3);
-}
-
-function formatMilliseconds(d, p) {
- return pad(d.getMilliseconds(), p, 3);
-}
-
-function formatMonthNumber(d, p) {
- return pad(d.getMonth() + 1, p, 2);
-}
-
-function formatMinutes(d, p) {
- return pad(d.getMinutes(), p, 2);
-}
-
-function formatSeconds(d, p) {
- return pad(d.getSeconds(), p, 2);
-}
-
-function formatWeekNumberSunday(d, p) {
- return pad(sunday.count(year(d), d), p, 2);
-}
-
-function formatWeekdayNumber(d) {
- return d.getDay();
-}
-
-function formatWeekNumberMonday(d, p) {
- return pad(monday.count(year(d), d), p, 2);
-}
-
-function formatYear(d, p) {
- return pad(d.getFullYear() % 100, p, 2);
-}
-
-function formatFullYear(d, p) {
- return pad(d.getFullYear() % 10000, p, 4);
-}
-
-function formatZone(d) {
- var z = d.getTimezoneOffset();
- return (z > 0 ? "-" : (z *= -1, "+"))
- + pad(z / 60 | 0, "0", 2)
- + pad(z % 60, "0", 2);
-}
-
-function formatUTCDayOfMonth(d, p) {
- return pad(d.getUTCDate(), p, 2);
-}
-
-function formatUTCHour24(d, p) {
- return pad(d.getUTCHours(), p, 2);
-}
-
-function formatUTCHour12(d, p) {
- return pad(d.getUTCHours() % 12 || 12, p, 2);
-}
-
-function formatUTCDayOfYear(d, p) {
- return pad(1 + utcDay.count(utcYear(d), d), p, 3);
-}
-
-function formatUTCMilliseconds(d, p) {
- return pad(d.getUTCMilliseconds(), p, 3);
-}
-
-function formatUTCMonthNumber(d, p) {
- return pad(d.getUTCMonth() + 1, p, 2);
-}
-
-function formatUTCMinutes(d, p) {
- return pad(d.getUTCMinutes(), p, 2);
-}
-
-function formatUTCSeconds(d, p) {
- return pad(d.getUTCSeconds(), p, 2);
-}
-
-function formatUTCWeekNumberSunday(d, p) {
- return pad(utcSunday.count(utcYear(d), d), p, 2);
-}
-
-function formatUTCWeekdayNumber(d) {
- return d.getUTCDay();
-}
-
-function formatUTCWeekNumberMonday(d, p) {
- return pad(utcMonday.count(utcYear(d), d), p, 2);
-}
-
-function formatUTCYear(d, p) {
- return pad(d.getUTCFullYear() % 100, p, 2);
-}
-
-function formatUTCFullYear(d, p) {
- return pad(d.getUTCFullYear() % 10000, p, 4);
-}
-
-function formatUTCZone() {
- return "+0000";
-}
-
-function formatLiteralPercent() {
- return "%";
-}
-
-var locale$1;
-var timeFormat;
-var timeParse;
-var utcFormat;
-var utcParse;
-
-defaultLocale({
- dateTime: "%x, %X",
- date: "%-m/%-d/%Y",
- time: "%-I:%M:%S %p",
- periods: ["AM", "PM"],
- days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
- shortDays: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
- months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
- shortMonths: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
-});
-
-function defaultLocale(definition) {
- locale$1 = formatLocale(definition);
- timeFormat = locale$1.format;
- timeParse = locale$1.parse;
- utcFormat = locale$1.utcFormat;
- utcParse = locale$1.utcParse;
- return locale$1;
-}
-
-var isoSpecifier = "%Y-%m-%dT%H:%M:%S.%LZ";
-
-function formatIsoNative(date) {
- return date.toISOString();
-}
-
-var formatIso = Date.prototype.toISOString
- ? formatIsoNative
- : utcFormat(isoSpecifier);
-
-function parseIsoNative(string) {
- var date = new Date(string);
- return isNaN(date) ? null : date;
-}
-
-var parseIso = +new Date("2000-01-01T00:00:00.000Z")
- ? parseIsoNative
- : utcParse(isoSpecifier);
-
-const zeroPad = n => n < 10 ? '0' + n : n;
-const RFC = timeFormat('%a, %d %b %Y %H:%M:%S %Z');
-const months = ['Jan', 'Feb', 'March', 'April', 'May', 'June', 'July', 'Aug', 'Sept', 'Oct', 'Nov', 'Dec'];
-
-class Author {
-
- constructor(name='', personalURL='', affiliation='', affiliationURL='') {
- this.name = name; // "Chris Olah"
- this.personalURL = personalURL; // "https://colah.github.io"
- this.affiliation = affiliation; // "Google Brain"
- this.affiliationURL = affiliationURL; // "https://g.co/brain"
- }
-
- // "Chris"
- get firstName() {
- const names = this.name.split(' ');
- return names.slice(0, names.length - 1).join(' ');
- }
-
- // "Olah"
- get lastName() {
- const names = this.name.split(' ');
- return names[names.length -1];
- }
-}
-
-class FrontMatter {
- constructor() {
- this.title = ''; // "Attention and Augmented Recurrent Neural Networks"
- this.description = ''; // "A visual overview of neural attention..."
- this.authors = []; // Array of Author(s)
-
- this.bibliography = new Map();
- // {
- // "gregor2015draw": {
- // "title": "DRAW: A recurrent neural network for image generation",
- // "author": "Gregor, Karol and Danihelka, Ivo and Graves, Alex and Rezende, Danilo Jimenez and Wierstra, Daan",
- // "journal": "arXiv preprint arXiv:1502.04623",
- // "year": "2015",
- // "url": "https://arxiv.org/pdf/1502.04623.pdf",
- // "type": "article"
- // },
- // }
-
- // Citation keys should be listed in the order that they are appear in the document.
- // Each key refers to a key in the bibliography dictionary.
- this.citations = []; // [ "gregor2015draw", "mercier2011humans" ]
-
-
- //
- // Assigned from posts.csv
- //
-
- // publishedDate: 2016-09-08T07:00:00.000Z,
- // tags: [ 'rnn' ],
- // distillPath: '2016/augmented-rnns',
- // githubPath: 'distillpub/post--augmented-rnns',
- // doiSuffix: 1,
-
- //
- // Assigned from journal
- //
- this.journal = {};
- // journal: {
- // "title": "Distill",
- // "full_title": "Distill",
- // "abbrev_title": "Distill",
- // "url": "http://distill.pub",
- // "doi": "10.23915/distill",
- // "publisherName": "Distill Working Group",
- // "publisherEmail": "admin@distill.pub",
- // "issn": "2476-0757",
- // "editors": [...],
- // "committee": [...]
- // }
- // volume: 1,
- // issue: 9,
- this.publishedDate = new Date();
-
- //
- // Assigned from publishing process
- //
-
- // githubCompareUpdatesUrl: 'https://github.com/distillpub/post--augmented-rnns/compare/1596e094d8943d2dc0ea445d92071129c6419c59...3bd9209e0c24d020f87cf6152dcecc6017cbc193',
- // updatedDate: 2017-03-21T07:13:16.000Z,
- // doi: '10.23915/distill.00001',
-
- }
-
- // Example:
- // title: Demo Title Attention and Augmented Recurrent Neural Networks
- // published: Jan 10, 2017
- // authors:
- // - Chris Olah:
- // - Shan Carter: http://shancarter.com
- // affiliations:
- // - Google Brain:
- // - Google Brain: http://g.co/brain
-
- mergeFromYMLFrontmatter(data) {
- this.title = data.title;
- this.publishedDate = new Date(data.published);
- this.description = data.description;
- const zipped = data.authors.map( (author, index) => [author, data.affiliations[index]]);
- this.authors = zipped.map( ([authorEntry, affiliationEntry]) => {
- const author = new Author();
-
- // try to get name and personal url
- switch (typeof authorEntry) {
- case 'object':
- author.name = Object.keys(authorEntry)[0];
- author.personalURL = authorEntry[author.name];
- break;
- case 'string':
- author.name = authorEntry;
- break;
- default:
- throw new Error('Invalid type in frontmatter author field: ' + authorEntry);
- }
-
- // try to get affiliation name and affiliation url
- switch (typeof affiliationEntry) {
- case 'object':
- author.affiliation = Object.keys(affiliationEntry)[0];
- author.affiliationURL = affiliationEntry[author.affiliation];
- break;
- case 'string':
- author.affiliation = affiliationEntry;
- break;
- default:
- throw new Error('Invalid type in frontmatter affiliation field: ' + affiliationEntry);
- }
-
- return author;
- });
- }
-
- //
- // Computed Properties
- //
-
- // 'http://distill.pub/2016/augmented-rnns',
- set url(value) {
- this._url = value;
- }
- get url() {
- if (this._url) {
- return this._url;
- } else if (this.distillPath && this.journal.url) {
- return this.journal.url + '/' + this.distillPath;
- } else if (this.journal.url) {
- return this.journal.url;
- }
- }
-
- // 'https://github.com/distillpub/post--augmented-rnns',
- get githubUrl() {
- return 'https://github.com/' + this.githubPath;
- }
-
- // TODO resolve differences in naming of URL/Url/url.
- // 'http://distill.pub/2016/augmented-rnns/thumbnail.jpg',
- set previewURL(value) {
- this._previewURL = value;
- }
- get previewURL() {
- return this._previewURL ? this._previewURL : this.url + '/thumbnail.jpg';
- }
-
- // 'Thu, 08 Sep 2016 00:00:00 -0700',
- get publishedDateRFC() {
- return RFC(this.publishedDate);
- }
-
- // 'Thu, 08 Sep 2016 00:00:00 -0700',
- get updatedDateRFC() {
- return RFC(this.updatedDate);
- }
-
- // 2016,
- get publishedYear() {
- return this.publishedDate.getFullYear();
- }
-
- // 'Sept',
- get publishedMonth() {
- return months[this.publishedDate.getMonth()];
- }
-
- // 8,
- get publishedDay() {
- return this.publishedDate.getDate();
- }
-
- // '09',
- get publishedMonthPadded() {
- return zeroPad(this.publishedDate.getMonth() + 1);
- }
-
- // '08',
- get publishedDayPadded() {
- return zeroPad(this.publishedDate.getDate());
- }
-
- // 'Olah & Carter',
- get concatenatedAuthors() {
- if (this.authors.length > 2) {
- return this.authors[0].lastName + ', et al.';
- } else if (this.authors.length === 2) {
- return this.authors[0].lastName + ' & ' + this.authors[1].lastName;
- } else if (this.authors.length === 1) {
- return this.authors[0].lastName;
- }
- }
-
- // 'Olah, Chris and Carter, Shan',
- get bibtexAuthors() {
- return this.authors.map(author => {
- return author.lastName + ', ' + author.firstName;
- }).join(' and ');
- }
-
- // 'olah2016attention'
- get slug() {
- let slug = '';
- if (this.authors.length) {
- slug += this.authors[0].lastName.toLowerCase();
- slug += this.publishedYear;
- slug += this.title.split(' ')[0].toLowerCase();
- }
- return slug || 'Untitled';
- }
-
- get bibliographyEntries() {
- return new Map(this.citations.map( citationKey => {
- const entry = this.bibliography.get(citationKey);
- return [citationKey, entry];
- }));
- }
-
-}
-
-function author_string(ent, template, sep, finalSep){
- var names = ent.author.split(' and ');
- let name_strings = names.map(name => {
- name = name.trim();
- if (name.indexOf(',') != -1){
- var last = name.split(',')[0].trim();
- var firsts = name.split(',')[1];
- } else {
- var last = name.split(' ').slice(-1)[0].trim();
- var firsts = name.split(' ').slice(0,-1).join(' ');
- }
- var initials = '';
- if (firsts != undefined) {
- initials = firsts.trim().split(' ').map(s => s.trim()[0]);
- initials = initials.join('.')+'.';
- }
- return template.replace('${F}', firsts)
- .replace('${L}', last)
- .replace('${I}', initials);
- });
- if (names.length > 1) {
- var str = name_strings.slice(0, names.length-1).join(sep);
- str += (finalSep || sep) + name_strings[names.length-1];
- return str;
- } else {
- return name_strings[0];
- }
-}
-
-function venue_string(ent) {
- var cite = (ent.journal || ent.booktitle || '');
- if ('volume' in ent){
- var issue = ent.issue || ent.number;
- issue = (issue != undefined)? '('+issue+')' : '';
- cite += ', Vol ' + ent.volume + issue;
- }
- if ('pages' in ent){
- cite += ', pp. ' + ent.pages;
- }
- if (cite != '') cite += '. ';
- if ('publisher' in ent){
- cite += ent.publisher;
- if (cite[cite.length-1] != '.') cite += '.';
- }
- return cite;
-}
-
-function link_string(ent){
- if ('url' in ent){
- var url = ent.url;
- var arxiv_match = (/arxiv\.org\/abs\/([0-9\.]*)/).exec(url);
- if (arxiv_match != null){
- url = `http://arxiv.org/pdf/${arxiv_match[1]}.pdf`;
- }
-
- if (url.slice(-4) == '.pdf'){
- var label = 'PDF';
- } else if (url.slice(-5) == '.html') {
- var label = 'HTML';
- }
- return ` [${label||'link'}]`;
- }/* else if ("doi" in ent){
- return ` [DOI]`;
- }*/ else {
- return '';
- }
-}
-function doi_string(ent, new_line){
- if ('doi' in ent) {
- return `${new_line?'
':''} DOI: ${ent.doi}`;
- } else {
- return '';
- }
-}
-
-function bibliography_cite(ent, fancy){
- if (ent){
- var cite = '' + ent.title + ' ';
- cite += link_string(ent) + '
';
- cite += author_string(ent, '${L}, ${I}', ', ', ' and ');
- if (ent.year || ent.date){
- cite += ', ' + (ent.year || ent.date) + '. ';
- } else {
- cite += '. ';
- }
- cite += venue_string(ent);
- cite += doi_string(ent);
- return cite;
- /*var cite = author_string(ent, "${L}, ${I}", ", ", " and ");
- if (ent.year || ent.date){
- cite += ", " + (ent.year || ent.date) + ". "
- } else {
- cite += ". "
- }
- cite += "" + ent.title + ". ";
- cite += venue_string(ent);
- cite += doi_string(ent);
- cite += link_string(ent);
- return cite*/
- } else {
- return '?';
- }
-}
-
-function hover_cite(ent){
- if (ent){
- var cite = '';
- cite += '' + ent.title + '';
- cite += link_string(ent);
- cite += '
';
-
- var a_str = author_string(ent, '${I} ${L}', ', ') + '.';
- var v_str = venue_string(ent).trim() + ' ' + ent.year + '. ' + doi_string(ent, true);
-
- if ((a_str+v_str).length < Math.min(40, ent.title.length)) {
- cite += a_str + ' ' + v_str;
- } else {
- cite += a_str + '
' + v_str;
- }
- return cite;
- } else {
- return '?';
- }
-}
-
-
-//https://scholar.google.com/scholar?q=allintitle%3ADocument+author%3Aolah
-
-function make_hover_css(pos) {
- const pretty = window.innerWidth > 600;
- const padding = pretty? 18 : 12;
- const outer_padding = pretty ? 18 : 0;
- const bbox = document.querySelector('body').getBoundingClientRect();
- let left = pos[0] - bbox.left, top = pos[1] - bbox.top;
- let width = Math.min(window.innerWidth-2*outer_padding, 648);
- left = Math.min(left, window.innerWidth-width-outer_padding);
- width = width - 2 * padding;
- return (`position: absolute;
- background-color: #FFF;
- opacity: 0.95;
- max-width: ${width}px;
- top: ${top}px;
- left: ${left}px;
- border: 1px solid rgba(0, 0, 0, 0.25);
- padding: ${padding}px;
- border-radius: ${pretty? 3 : 0}px;
- box-shadow: 0px 2px 10px 2px rgba(0, 0, 0, 0.2);
- z-index: ${1e6};`);
-}
-
-class HoverBox {
-
- constructor(contentHTML, triggerElement) {
- this.visible = false;
- // div hold teh contents of the box that will become visible
- this.div = contentHTML;
- this.bindDivEvents(this.div);
- // triggerElement holds the element that needs to be hovered etc to show contents
- this.triggerElement = triggerElement;
- this.bindTriggerEvents(this.triggerElement);
- this.hide();
- }
-
- bindDivEvents(node) {
- // For mice, same behavior as hovering on links
- this.div.addEventListener('mouseover', () => {
- if (!this.visible) this.showAtNode(node);
- this.stopTimeout();
- });
- this.div.addEventListener('mouseout', () => {
- this.extendTimeout(250);
- });
- // Don't trigger body touchstart event when touching within box
- this.div.addEventListener('touchstart', (event) => {
- event.stopPropagation();
- }, {passive: true});
- // Close box when touching outside box
- document.body.addEventListener('touchstart', () => {
- this.hide();
- }, {passive: true});
- }
-
- bindTriggerEvents(node) {
- node.addEventListener('mouseover', () => {
- if (!this.visible) {
- this.showAtNode(node);
- }
- this.stopTimeout();
- });
-
- node.addEventListener('mouseout', () => {
- this.extendTimeout(250);
- });
-
- node.addEventListener('touchstart', (event) => {
- if (this.visible) {
- this.hide();
- } else {
- this.showAtNode(node);
- }
- // Don't trigger body touchstart event when touching link
- event.stopPropagation();
- }, {passive: true});
- }
-
- show(position) {
- this.visible = true;
- const css = make_hover_css(position);
- this.div.setAttribute('style', css );
- }
-
- showAtNode(node) {
- const bbox = node.getBoundingClientRect();
- this.show([bbox.right, bbox.bottom]);
- }
-
- hide() {
- this.visible = false;
- this.div.setAttribute('style', 'display:none');
- this.stopTimeout();
- }
-
- stopTimeout() {
- if (this.timeout) {
- clearTimeout(this.timeout);
- }
- }
-
- extendTimeout(time) {
- this.stopTimeout();
- this.timeout = setTimeout(() => {
- this.hide();
- }, time);
- }
-
-}
-
-const T$4 = Template('d-cite', `
-
-
-
-
-
-
-
-
-
-`);
-
-function collectCitations(dom=document) {
- const citations = new Set();
- const citeTags = dom.querySelectorAll('d-cite');
- for (const tag of citeTags) {
- const keys = tag.getAttribute('key').split(',');
- for (const key of keys) {
- citations.add(key);
- }
- }
- return [...citations];
-}
-
-class Cite extends T$4(HTMLElement) {
-
- /* Lifecycle */
-
- // constructor() {
- // super();
- // // Cite.currentId += 1;
- // // this.citeId = Cite.currentId;
- // }
-
- connectedCallback() {
- // this.notify();
-
- this.hoverDiv = this.root.querySelector('.dt-hover-box');
- this.outerSpan = this.root.querySelector('#citation-');
- this.innerSpan = this.root.querySelector('.citation-number');
- // this.outerSpan.id = `citation-${this.citeId}`;
- // this.hoverDiv.id = `dt-cite-hover-box-${this.citeId}`;
- // console.log(this, this.hoverDiv, this.outerSpan, this.innerSpan);
- this.hoverbox = new HoverBox(this.hoverDiv, this.outerSpan);
-
- }
-
- /* Observed Attributes */
-
- // renderCitationNumbers(citations) {
- // const numbers = this._keys.map( (key) => {
- // const index = citations.indexOf(key);
- // return index == -1 ? '?' : index + 1 + '';
- // });
- // const text = "[" + numbers.join(", ") + "]";
- // this.innerSpan.textContent = text;
- // }
-
-
-
- /* observe 'key' attribute */
-
- static get observedAttributes() {
- return ['key'];
- }
-
- attributeChangedCallback(name, oldValue, newValue) {
- const eventName = oldValue ? 'onCiteKeyChanged' : 'onCiteKeyCreated';
- const keys = newValue.split(',');
- const options = { detail: [this, keys], bubbles: true };
- const event = new CustomEvent(eventName, options);
- document.dispatchEvent(event);
- }
-
- set key(value) {
- this.setAttribute('key', value);
- }
-
- get key() {
- return this.getAttribute('key');
- }
-
- get keys() {
- return this.getAttribute('key').split(',');
- }
-
- /* Setters & Rendering */
-
- set numbers(numbers) {
- const numberStrings = numbers.map( index => {
- return index == -1 ? '?' : index + 1 + '';
- });
- const textContent = '[' + numberStrings.join(', ') + ']';
- const innerSpan = this.root.querySelector('.citation-number');
- innerSpan.textContent = textContent;
- }
-
- set entries(entries) {
- const div = this.root.querySelector('#hover-box');
- div.innerHTML = entries.map(hover_cite).join('
');
- }
-
- // renderContent() {
- // const bibliography = document.querySelector('d-bibliography');
- // if (bibliography && bibliography.finishedLoading) {
- // customElements.whenDefined('d-bibliography').then( () => {
- // const keys = this.key.split(",");
- //
- // // set up hidden hover box
- // const div = this.root.querySelector('.dt-hover-box');
- // div.innerHTML = keys.map( (key) => {
- // return bibliography.getEntry(key);
- // }).map(hover_cite).join('
');
- // div.id ='dt-cite-hover-box-' + this.citeId;
- //
- // // set up visible citation marker
- // const outerSpan = this.root.querySelector('#citation-');
- // outerSpan.id = `citation-${this.citeId}`;
- // // outerSpan.setAttribute('data-hover', dataHoverString); // directly tell HoverBox instead?
- // const innerSpan = this.root.querySelector('.citation-number');
- // innerSpan.textContent = inline_cite_short(keys, bibliography);
- //
- // HoverBox.get_box(div).bind(outerSpan);
- // });
- // } else {
- // console.error(`You used a d-cite tag (${key}) without including a d-bibliography tag in your article. We can't lookup your citation this way.`)
- // }
- // }
-
-}
-
-function isNothing(subject) {
- return (typeof subject === 'undefined') || (subject === null);
-}
-
-
-function isObject(subject) {
- return (typeof subject === 'object') && (subject !== null);
-}
-
-
-function toArray(sequence) {
- if (Array.isArray(sequence)) return sequence;
- else if (isNothing(sequence)) return [];
-
- return [ sequence ];
-}
-
-
-function extend(target, source) {
- var index, length, key, sourceKeys;
-
- if (source) {
- sourceKeys = Object.keys(source);
-
- for (index = 0, length = sourceKeys.length; index < length; index += 1) {
- key = sourceKeys[index];
- target[key] = source[key];
- }
- }
-
- return target;
-}
-
-
-function repeat(string, count) {
- var result = '', cycle;
-
- for (cycle = 0; cycle < count; cycle += 1) {
- result += string;
- }
-
- return result;
-}
-
-
-function isNegativeZero(number) {
- return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);
-}
-
-
-var isNothing_1 = isNothing;
-var isObject_1 = isObject;
-var toArray_1 = toArray;
-var repeat_1 = repeat;
-var isNegativeZero_1 = isNegativeZero;
-var extend_1 = extend;
-
-var common$1 = {
- isNothing: isNothing_1,
- isObject: isObject_1,
- toArray: toArray_1,
- repeat: repeat_1,
- isNegativeZero: isNegativeZero_1,
- extend: extend_1
-};
-
-// YAML error class. http://stackoverflow.com/questions/8458984
-//
-function YAMLException$2(reason, mark) {
- // Super constructor
- Error.call(this);
-
- this.name = 'YAMLException';
- this.reason = reason;
- this.mark = mark;
- this.message = (this.reason || '(unknown reason)') + (this.mark ? ' ' + this.mark.toString() : '');
-
- // Include stack trace in error object
- if (Error.captureStackTrace) {
- // Chrome and NodeJS
- Error.captureStackTrace(this, this.constructor);
- } else {
- // FF, IE 10+ and Safari 6+. Fallback for others
- this.stack = (new Error()).stack || '';
- }
-}
-
-
-// Inherit from Error
-YAMLException$2.prototype = Object.create(Error.prototype);
-YAMLException$2.prototype.constructor = YAMLException$2;
-
-
-YAMLException$2.prototype.toString = function toString(compact) {
- var result = this.name + ': ';
-
- result += this.reason || '(unknown reason)';
-
- if (!compact && this.mark) {
- result += ' ' + this.mark.toString();
- }
-
- return result;
-};
-
-
-var exception = YAMLException$2;
-
-var common$3 = common$1;
-
-
-function Mark$1(name, buffer, position, line, column) {
- this.name = name;
- this.buffer = buffer;
- this.position = position;
- this.line = line;
- this.column = column;
-}
-
-
-Mark$1.prototype.getSnippet = function getSnippet(indent, maxLength) {
- var head, start, tail, end, snippet;
-
- if (!this.buffer) return null;
-
- indent = indent || 4;
- maxLength = maxLength || 75;
-
- head = '';
- start = this.position;
-
- while (start > 0 && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(start - 1)) === -1) {
- start -= 1;
- if (this.position - start > (maxLength / 2 - 1)) {
- head = ' ... ';
- start += 5;
- break;
- }
- }
-
- tail = '';
- end = this.position;
-
- while (end < this.buffer.length && '\x00\r\n\x85\u2028\u2029'.indexOf(this.buffer.charAt(end)) === -1) {
- end += 1;
- if (end - this.position > (maxLength / 2 - 1)) {
- tail = ' ... ';
- end -= 5;
- break;
- }
- }
-
- snippet = this.buffer.slice(start, end);
-
- return common$3.repeat(' ', indent) + head + snippet + tail + '\n' +
- common$3.repeat(' ', indent + this.position - start + head.length) + '^';
-};
-
-
-Mark$1.prototype.toString = function toString(compact) {
- var snippet, where = '';
-
- if (this.name) {
- where += 'in "' + this.name + '" ';
- }
-
- where += 'at line ' + (this.line + 1) + ', column ' + (this.column + 1);
-
- if (!compact) {
- snippet = this.getSnippet();
-
- if (snippet) {
- where += ':\n' + snippet;
- }
- }
-
- return where;
-};
-
-
-var mark = Mark$1;
-
-var YAMLException$4 = exception;
-
-var TYPE_CONSTRUCTOR_OPTIONS = [
- 'kind',
- 'resolve',
- 'construct',
- 'instanceOf',
- 'predicate',
- 'represent',
- 'defaultStyle',
- 'styleAliases'
-];
-
-var YAML_NODE_KINDS = [
- 'scalar',
- 'sequence',
- 'mapping'
-];
-
-function compileStyleAliases(map) {
- var result = {};
-
- if (map !== null) {
- Object.keys(map).forEach(function (style) {
- map[style].forEach(function (alias) {
- result[String(alias)] = style;
- });
- });
- }
-
- return result;
-}
-
-function Type$2(tag, options) {
- options = options || {};
-
- Object.keys(options).forEach(function (name) {
- if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {
- throw new YAMLException$4('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.');
- }
- });
-
- // TODO: Add tag format check.
- this.tag = tag;
- this.kind = options['kind'] || null;
- this.resolve = options['resolve'] || function () { return true; };
- this.construct = options['construct'] || function (data) { return data; };
- this.instanceOf = options['instanceOf'] || null;
- this.predicate = options['predicate'] || null;
- this.represent = options['represent'] || null;
- this.defaultStyle = options['defaultStyle'] || null;
- this.styleAliases = compileStyleAliases(options['styleAliases'] || null);
-
- if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {
- throw new YAMLException$4('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.');
- }
-}
-
-var type = Type$2;
-
-var common$4 = common$1;
-var YAMLException$3 = exception;
-var Type$1 = type;
-
-
-function compileList(schema, name, result) {
- var exclude = [];
-
- schema.include.forEach(function (includedSchema) {
- result = compileList(includedSchema, name, result);
- });
-
- schema[name].forEach(function (currentType) {
- result.forEach(function (previousType, previousIndex) {
- if (previousType.tag === currentType.tag && previousType.kind === currentType.kind) {
- exclude.push(previousIndex);
- }
- });
-
- result.push(currentType);
- });
-
- return result.filter(function (type$$1, index) {
- return exclude.indexOf(index) === -1;
- });
-}
-
-
-function compileMap(/* lists... */) {
- var result = {
- scalar: {},
- sequence: {},
- mapping: {},
- fallback: {}
- }, index, length;
-
- function collectType(type$$1) {
- result[type$$1.kind][type$$1.tag] = result['fallback'][type$$1.tag] = type$$1;
- }
-
- for (index = 0, length = arguments.length; index < length; index += 1) {
- arguments[index].forEach(collectType);
- }
- return result;
-}
-
-
-function Schema$2(definition) {
- this.include = definition.include || [];
- this.implicit = definition.implicit || [];
- this.explicit = definition.explicit || [];
-
- this.implicit.forEach(function (type$$1) {
- if (type$$1.loadKind && type$$1.loadKind !== 'scalar') {
- throw new YAMLException$3('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');
- }
- });
-
- this.compiledImplicit = compileList(this, 'implicit', []);
- this.compiledExplicit = compileList(this, 'explicit', []);
- this.compiledTypeMap = compileMap(this.compiledImplicit, this.compiledExplicit);
-}
-
-
-Schema$2.DEFAULT = null;
-
-
-Schema$2.create = function createSchema() {
- var schemas, types;
-
- switch (arguments.length) {
- case 1:
- schemas = Schema$2.DEFAULT;
- types = arguments[0];
- break;
-
- case 2:
- schemas = arguments[0];
- types = arguments[1];
- break;
-
- default:
- throw new YAMLException$3('Wrong number of arguments for Schema.create function');
- }
-
- schemas = common$4.toArray(schemas);
- types = common$4.toArray(types);
-
- if (!schemas.every(function (schema) { return schema instanceof Schema$2; })) {
- throw new YAMLException$3('Specified list of super schemas (or a single Schema object) contains a non-Schema object.');
- }
-
- if (!types.every(function (type$$1) { return type$$1 instanceof Type$1; })) {
- throw new YAMLException$3('Specified list of YAML types (or a single Type object) contains a non-Type object.');
- }
-
- return new Schema$2({
- include: schemas,
- explicit: types
- });
-};
-
-
-var schema = Schema$2;
-
-var Type$3 = type;
-
-var str = new Type$3('tag:yaml.org,2002:str', {
- kind: 'scalar',
- construct: function (data) { return data !== null ? data : ''; }
-});
-
-var Type$4 = type;
-
-var seq = new Type$4('tag:yaml.org,2002:seq', {
- kind: 'sequence',
- construct: function (data) { return data !== null ? data : []; }
-});
-
-var Type$5 = type;
-
-var map = new Type$5('tag:yaml.org,2002:map', {
- kind: 'mapping',
- construct: function (data) { return data !== null ? data : {}; }
-});
-
-var Schema$5 = schema;
-
-
-var failsafe = new Schema$5({
- explicit: [
- str,
- seq,
- map
- ]
-});
-
-var Type$6 = type;
-
-function resolveYamlNull(data) {
- if (data === null) return true;
-
- var max = data.length;
-
- return (max === 1 && data === '~') ||
- (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));
-}
-
-function constructYamlNull() {
- return null;
-}
-
-function isNull(object) {
- return object === null;
-}
-
-var _null = new Type$6('tag:yaml.org,2002:null', {
- kind: 'scalar',
- resolve: resolveYamlNull,
- construct: constructYamlNull,
- predicate: isNull,
- represent: {
- canonical: function () { return '~'; },
- lowercase: function () { return 'null'; },
- uppercase: function () { return 'NULL'; },
- camelcase: function () { return 'Null'; }
- },
- defaultStyle: 'lowercase'
-});
-
-var Type$7 = type;
-
-function resolveYamlBoolean(data) {
- if (data === null) return false;
-
- var max = data.length;
-
- return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||
- (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));
-}
-
-function constructYamlBoolean(data) {
- return data === 'true' ||
- data === 'True' ||
- data === 'TRUE';
-}
-
-function isBoolean(object) {
- return Object.prototype.toString.call(object) === '[object Boolean]';
-}
-
-var bool = new Type$7('tag:yaml.org,2002:bool', {
- kind: 'scalar',
- resolve: resolveYamlBoolean,
- construct: constructYamlBoolean,
- predicate: isBoolean,
- represent: {
- lowercase: function (object) { return object ? 'true' : 'false'; },
- uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },
- camelcase: function (object) { return object ? 'True' : 'False'; }
- },
- defaultStyle: 'lowercase'
-});
-
-var common$5 = common$1;
-var Type$8 = type;
-
-function isHexCode(c) {
- return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||
- ((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||
- ((0x61/* a */ <= c) && (c <= 0x66/* f */));
-}
-
-function isOctCode(c) {
- return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));
-}
-
-function isDecCode(c) {
- return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));
-}
-
-function resolveYamlInteger(data) {
- if (data === null) return false;
-
- var max = data.length,
- index = 0,
- hasDigits = false,
- ch;
-
- if (!max) return false;
-
- ch = data[index];
-
- // sign
- if (ch === '-' || ch === '+') {
- ch = data[++index];
- }
-
- if (ch === '0') {
- // 0
- if (index + 1 === max) return true;
- ch = data[++index];
-
- // base 2, base 8, base 16
-
- if (ch === 'b') {
- // base 2
- index++;
-
- for (; index < max; index++) {
- ch = data[index];
- if (ch === '_') continue;
- if (ch !== '0' && ch !== '1') return false;
- hasDigits = true;
- }
- return hasDigits && ch !== '_';
- }
-
-
- if (ch === 'x') {
- // base 16
- index++;
-
- for (; index < max; index++) {
- ch = data[index];
- if (ch === '_') continue;
- if (!isHexCode(data.charCodeAt(index))) return false;
- hasDigits = true;
- }
- return hasDigits && ch !== '_';
- }
-
- // base 8
- for (; index < max; index++) {
- ch = data[index];
- if (ch === '_') continue;
- if (!isOctCode(data.charCodeAt(index))) return false;
- hasDigits = true;
- }
- return hasDigits && ch !== '_';
- }
-
- // base 10 (except 0) or base 60
-
- // value should not start with `_`;
- if (ch === '_') return false;
-
- for (; index < max; index++) {
- ch = data[index];
- if (ch === '_') continue;
- if (ch === ':') break;
- if (!isDecCode(data.charCodeAt(index))) {
- return false;
- }
- hasDigits = true;
- }
-
- // Should have digits and should not end with `_`
- if (!hasDigits || ch === '_') return false;
-
- // if !base60 - done;
- if (ch !== ':') return true;
-
- // base60 almost not used, no needs to optimize
- return /^(:[0-5]?[0-9])+$/.test(data.slice(index));
-}
-
-function constructYamlInteger(data) {
- var value = data, sign = 1, ch, base, digits = [];
-
- if (value.indexOf('_') !== -1) {
- value = value.replace(/_/g, '');
- }
-
- ch = value[0];
-
- if (ch === '-' || ch === '+') {
- if (ch === '-') sign = -1;
- value = value.slice(1);
- ch = value[0];
- }
-
- if (value === '0') return 0;
-
- if (ch === '0') {
- if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);
- if (value[1] === 'x') return sign * parseInt(value, 16);
- return sign * parseInt(value, 8);
- }
-
- if (value.indexOf(':') !== -1) {
- value.split(':').forEach(function (v) {
- digits.unshift(parseInt(v, 10));
- });
-
- value = 0;
- base = 1;
-
- digits.forEach(function (d) {
- value += (d * base);
- base *= 60;
- });
-
- return sign * value;
-
- }
-
- return sign * parseInt(value, 10);
-}
-
-function isInteger(object) {
- return (Object.prototype.toString.call(object)) === '[object Number]' &&
- (object % 1 === 0 && !common$5.isNegativeZero(object));
-}
-
-var int_1 = new Type$8('tag:yaml.org,2002:int', {
- kind: 'scalar',
- resolve: resolveYamlInteger,
- construct: constructYamlInteger,
- predicate: isInteger,
- represent: {
- binary: function (object) { return '0b' + object.toString(2); },
- octal: function (object) { return '0' + object.toString(8); },
- decimal: function (object) { return object.toString(10); },
- hexadecimal: function (object) { return '0x' + object.toString(16).toUpperCase(); }
- },
- defaultStyle: 'decimal',
- styleAliases: {
- binary: [ 2, 'bin' ],
- octal: [ 8, 'oct' ],
- decimal: [ 10, 'dec' ],
- hexadecimal: [ 16, 'hex' ]
- }
-});
-
-var common$6 = common$1;
-var Type$9 = type;
-
-var YAML_FLOAT_PATTERN = new RegExp(
- // 2.5e4, 2.5 and integers
- '^(?:[-+]?(?:0|[1-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +
- // .2e4, .2
- // special case, seems not from spec
- '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +
- // 20:59
- '|[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*' +
- // .inf
- '|[-+]?\\.(?:inf|Inf|INF)' +
- // .nan
- '|\\.(?:nan|NaN|NAN))$');
-
-function resolveYamlFloat(data) {
- if (data === null) return false;
-
- if (!YAML_FLOAT_PATTERN.test(data) ||
- // Quick hack to not allow integers end with `_`
- // Probably should update regexp & check speed
- data[data.length - 1] === '_') {
- return false;
- }
-
- return true;
-}
-
-function constructYamlFloat(data) {
- var value, sign, base, digits;
-
- value = data.replace(/_/g, '').toLowerCase();
- sign = value[0] === '-' ? -1 : 1;
- digits = [];
-
- if ('+-'.indexOf(value[0]) >= 0) {
- value = value.slice(1);
- }
-
- if (value === '.inf') {
- return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;
-
- } else if (value === '.nan') {
- return NaN;
-
- } else if (value.indexOf(':') >= 0) {
- value.split(':').forEach(function (v) {
- digits.unshift(parseFloat(v, 10));
- });
-
- value = 0.0;
- base = 1;
-
- digits.forEach(function (d) {
- value += d * base;
- base *= 60;
- });
-
- return sign * value;
-
- }
- return sign * parseFloat(value, 10);
-}
-
-
-var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;
-
-function representYamlFloat(object, style) {
- var res;
-
- if (isNaN(object)) {
- switch (style) {
- case 'lowercase': return '.nan';
- case 'uppercase': return '.NAN';
- case 'camelcase': return '.NaN';
- }
- } else if (Number.POSITIVE_INFINITY === object) {
- switch (style) {
- case 'lowercase': return '.inf';
- case 'uppercase': return '.INF';
- case 'camelcase': return '.Inf';
- }
- } else if (Number.NEGATIVE_INFINITY === object) {
- switch (style) {
- case 'lowercase': return '-.inf';
- case 'uppercase': return '-.INF';
- case 'camelcase': return '-.Inf';
- }
- } else if (common$6.isNegativeZero(object)) {
- return '-0.0';
- }
-
- res = object.toString(10);
-
- // JS stringifier can build scientific format without dots: 5e-100,
- // while YAML requres dot: 5.e-100. Fix it with simple hack
-
- return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;
-}
-
-function isFloat(object) {
- return (Object.prototype.toString.call(object) === '[object Number]') &&
- (object % 1 !== 0 || common$6.isNegativeZero(object));
-}
-
-var float_1 = new Type$9('tag:yaml.org,2002:float', {
- kind: 'scalar',
- resolve: resolveYamlFloat,
- construct: constructYamlFloat,
- predicate: isFloat,
- represent: representYamlFloat,
- defaultStyle: 'lowercase'
-});
-
-var Schema$4 = schema;
-
-
-var json = new Schema$4({
- include: [
- failsafe
- ],
- implicit: [
- _null,
- bool,
- int_1,
- float_1
- ]
-});
-
-var Schema$3 = schema;
-
-
-var core = new Schema$3({
- include: [
- json
- ]
-});
-
-var Type$10 = type;
-
-var YAML_DATE_REGEXP = new RegExp(
- '^([0-9][0-9][0-9][0-9])' + // [1] year
- '-([0-9][0-9])' + // [2] month
- '-([0-9][0-9])$'); // [3] day
-
-var YAML_TIMESTAMP_REGEXP = new RegExp(
- '^([0-9][0-9][0-9][0-9])' + // [1] year
- '-([0-9][0-9]?)' + // [2] month
- '-([0-9][0-9]?)' + // [3] day
- '(?:[Tt]|[ \\t]+)' + // ...
- '([0-9][0-9]?)' + // [4] hour
- ':([0-9][0-9])' + // [5] minute
- ':([0-9][0-9])' + // [6] second
- '(?:\\.([0-9]*))?' + // [7] fraction
- '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour
- '(?::([0-9][0-9]))?))?$'); // [11] tz_minute
-
-function resolveYamlTimestamp(data) {
- if (data === null) return false;
- if (YAML_DATE_REGEXP.exec(data) !== null) return true;
- if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;
- return false;
-}
-
-function constructYamlTimestamp(data) {
- var match, year, month, day, hour, minute, second, fraction = 0,
- delta = null, tz_hour, tz_minute, date;
-
- match = YAML_DATE_REGEXP.exec(data);
- if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);
-
- if (match === null) throw new Error('Date resolve error');
-
- // match: [1] year [2] month [3] day
-
- year = +(match[1]);
- month = +(match[2]) - 1; // JS month starts with 0
- day = +(match[3]);
-
- if (!match[4]) { // no hour
- return new Date(Date.UTC(year, month, day));
- }
-
- // match: [4] hour [5] minute [6] second [7] fraction
-
- hour = +(match[4]);
- minute = +(match[5]);
- second = +(match[6]);
-
- if (match[7]) {
- fraction = match[7].slice(0, 3);
- while (fraction.length < 3) { // milli-seconds
- fraction += '0';
- }
- fraction = +fraction;
- }
-
- // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute
-
- if (match[9]) {
- tz_hour = +(match[10]);
- tz_minute = +(match[11] || 0);
- delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds
- if (match[9] === '-') delta = -delta;
- }
-
- date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));
-
- if (delta) date.setTime(date.getTime() - delta);
-
- return date;
-}
-
-function representYamlTimestamp(object /*, style*/) {
- return object.toISOString();
-}
-
-var timestamp = new Type$10('tag:yaml.org,2002:timestamp', {
- kind: 'scalar',
- resolve: resolveYamlTimestamp,
- construct: constructYamlTimestamp,
- instanceOf: Date,
- represent: representYamlTimestamp
-});
-
-var Type$11 = type;
-
-function resolveYamlMerge(data) {
- return data === '<<' || data === null;
-}
-
-var merge = new Type$11('tag:yaml.org,2002:merge', {
- kind: 'scalar',
- resolve: resolveYamlMerge
-});
-
-var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
-
-function commonjsRequire () {
- throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs');
-}
-
-
-
-function createCommonjsModule(fn, module) {
- return module = { exports: {} }, fn(module, module.exports), module.exports;
-}
-
-var NodeBuffer;
-
-try {
- // A trick for browserified version, to not include `Buffer` shim
- var _require = commonjsRequire;
- NodeBuffer = _require('buffer').Buffer;
-} catch (__) {}
-
-var Type$12 = type;
-
-
-// [ 64, 65, 66 ] -> [ padding, CR, LF ]
-var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r';
-
-
-function resolveYamlBinary(data) {
- if (data === null) return false;
-
- var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;
-
- // Convert one by one.
- for (idx = 0; idx < max; idx++) {
- code = map.indexOf(data.charAt(idx));
-
- // Skip CR/LF
- if (code > 64) continue;
-
- // Fail on illegal characters
- if (code < 0) return false;
-
- bitlen += 6;
- }
-
- // If there are any bits left, source was corrupted
- return (bitlen % 8) === 0;
-}
-
-function constructYamlBinary(data) {
- var idx, tailbits,
- input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan
- max = input.length,
- map = BASE64_MAP,
- bits = 0,
- result = [];
-
- // Collect by 6*4 bits (3 bytes)
-
- for (idx = 0; idx < max; idx++) {
- if ((idx % 4 === 0) && idx) {
- result.push((bits >> 16) & 0xFF);
- result.push((bits >> 8) & 0xFF);
- result.push(bits & 0xFF);
- }
-
- bits = (bits << 6) | map.indexOf(input.charAt(idx));
- }
-
- // Dump tail
-
- tailbits = (max % 4) * 6;
-
- if (tailbits === 0) {
- result.push((bits >> 16) & 0xFF);
- result.push((bits >> 8) & 0xFF);
- result.push(bits & 0xFF);
- } else if (tailbits === 18) {
- result.push((bits >> 10) & 0xFF);
- result.push((bits >> 2) & 0xFF);
- } else if (tailbits === 12) {
- result.push((bits >> 4) & 0xFF);
- }
-
- // Wrap into Buffer for NodeJS and leave Array for browser
- if (NodeBuffer) {
- // Support node 6.+ Buffer API when available
- return NodeBuffer.from ? NodeBuffer.from(result) : new NodeBuffer(result);
- }
-
- return result;
-}
-
-function representYamlBinary(object /*, style*/) {
- var result = '', bits = 0, idx, tail,
- max = object.length,
- map = BASE64_MAP;
-
- // Convert every three bytes to 4 ASCII characters.
-
- for (idx = 0; idx < max; idx++) {
- if ((idx % 3 === 0) && idx) {
- result += map[(bits >> 18) & 0x3F];
- result += map[(bits >> 12) & 0x3F];
- result += map[(bits >> 6) & 0x3F];
- result += map[bits & 0x3F];
- }
-
- bits = (bits << 8) + object[idx];
- }
-
- // Dump tail
-
- tail = max % 3;
-
- if (tail === 0) {
- result += map[(bits >> 18) & 0x3F];
- result += map[(bits >> 12) & 0x3F];
- result += map[(bits >> 6) & 0x3F];
- result += map[bits & 0x3F];
- } else if (tail === 2) {
- result += map[(bits >> 10) & 0x3F];
- result += map[(bits >> 4) & 0x3F];
- result += map[(bits << 2) & 0x3F];
- result += map[64];
- } else if (tail === 1) {
- result += map[(bits >> 2) & 0x3F];
- result += map[(bits << 4) & 0x3F];
- result += map[64];
- result += map[64];
- }
-
- return result;
-}
-
-function isBinary(object) {
- return NodeBuffer && NodeBuffer.isBuffer(object);
-}
-
-var binary = new Type$12('tag:yaml.org,2002:binary', {
- kind: 'scalar',
- resolve: resolveYamlBinary,
- construct: constructYamlBinary,
- predicate: isBinary,
- represent: representYamlBinary
-});
-
-var Type$13 = type;
-
-var _hasOwnProperty$1 = Object.prototype.hasOwnProperty;
-var _toString = Object.prototype.toString;
-
-function resolveYamlOmap(data) {
- if (data === null) return true;
-
- var objectKeys = [], index, length, pair, pairKey, pairHasKey,
- object = data;
-
- for (index = 0, length = object.length; index < length; index += 1) {
- pair = object[index];
- pairHasKey = false;
-
- if (_toString.call(pair) !== '[object Object]') return false;
-
- for (pairKey in pair) {
- if (_hasOwnProperty$1.call(pair, pairKey)) {
- if (!pairHasKey) pairHasKey = true;
- else return false;
- }
- }
-
- if (!pairHasKey) return false;
-
- if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);
- else return false;
- }
-
- return true;
-}
-
-function constructYamlOmap(data) {
- return data !== null ? data : [];
-}
-
-var omap = new Type$13('tag:yaml.org,2002:omap', {
- kind: 'sequence',
- resolve: resolveYamlOmap,
- construct: constructYamlOmap
-});
-
-var Type$14 = type;
-
-var _toString$1 = Object.prototype.toString;
-
-function resolveYamlPairs(data) {
- if (data === null) return true;
-
- var index, length, pair, keys, result,
- object = data;
-
- result = new Array(object.length);
-
- for (index = 0, length = object.length; index < length; index += 1) {
- pair = object[index];
-
- if (_toString$1.call(pair) !== '[object Object]') return false;
-
- keys = Object.keys(pair);
-
- if (keys.length !== 1) return false;
-
- result[index] = [ keys[0], pair[keys[0]] ];
- }
-
- return true;
-}
-
-function constructYamlPairs(data) {
- if (data === null) return [];
-
- var index, length, pair, keys, result,
- object = data;
-
- result = new Array(object.length);
-
- for (index = 0, length = object.length; index < length; index += 1) {
- pair = object[index];
-
- keys = Object.keys(pair);
-
- result[index] = [ keys[0], pair[keys[0]] ];
- }
-
- return result;
-}
-
-var pairs = new Type$14('tag:yaml.org,2002:pairs', {
- kind: 'sequence',
- resolve: resolveYamlPairs,
- construct: constructYamlPairs
-});
-
-var Type$15 = type;
-
-var _hasOwnProperty$2 = Object.prototype.hasOwnProperty;
-
-function resolveYamlSet(data) {
- if (data === null) return true;
-
- var key, object = data;
-
- for (key in object) {
- if (_hasOwnProperty$2.call(object, key)) {
- if (object[key] !== null) return false;
- }
- }
-
- return true;
-}
-
-function constructYamlSet(data) {
- return data !== null ? data : {};
-}
-
-var set = new Type$15('tag:yaml.org,2002:set', {
- kind: 'mapping',
- resolve: resolveYamlSet,
- construct: constructYamlSet
-});
-
-var Schema$1 = schema;
-
-
-var default_safe = new Schema$1({
- include: [
- core
- ],
- implicit: [
- timestamp,
- merge
- ],
- explicit: [
- binary,
- omap,
- pairs,
- set
- ]
-});
-
-var Type$16 = type;
-
-function resolveJavascriptUndefined() {
- return true;
-}
-
-function constructJavascriptUndefined() {
- /*eslint-disable no-undefined*/
- return undefined;
-}
-
-function representJavascriptUndefined() {
- return '';
-}
-
-function isUndefined(object) {
- return typeof object === 'undefined';
-}
-
-var _undefined = new Type$16('tag:yaml.org,2002:js/undefined', {
- kind: 'scalar',
- resolve: resolveJavascriptUndefined,
- construct: constructJavascriptUndefined,
- predicate: isUndefined,
- represent: representJavascriptUndefined
-});
-
-var Type$17 = type;
-
-function resolveJavascriptRegExp(data) {
- if (data === null) return false;
- if (data.length === 0) return false;
-
- var regexp = data,
- tail = /\/([gim]*)$/.exec(data),
- modifiers = '';
-
- // if regexp starts with '/' it can have modifiers and must be properly closed
- // `/foo/gim` - modifiers tail can be maximum 3 chars
- if (regexp[0] === '/') {
- if (tail) modifiers = tail[1];
-
- if (modifiers.length > 3) return false;
- // if expression starts with /, is should be properly terminated
- if (regexp[regexp.length - modifiers.length - 1] !== '/') return false;
- }
-
- return true;
-}
-
-function constructJavascriptRegExp(data) {
- var regexp = data,
- tail = /\/([gim]*)$/.exec(data),
- modifiers = '';
-
- // `/foo/gim` - tail can be maximum 4 chars
- if (regexp[0] === '/') {
- if (tail) modifiers = tail[1];
- regexp = regexp.slice(1, regexp.length - modifiers.length - 1);
- }
-
- return new RegExp(regexp, modifiers);
-}
-
-function representJavascriptRegExp(object /*, style*/) {
- var result = '/' + object.source + '/';
-
- if (object.global) result += 'g';
- if (object.multiline) result += 'm';
- if (object.ignoreCase) result += 'i';
-
- return result;
-}
-
-function isRegExp(object) {
- return Object.prototype.toString.call(object) === '[object RegExp]';
-}
-
-var regexp = new Type$17('tag:yaml.org,2002:js/regexp', {
- kind: 'scalar',
- resolve: resolveJavascriptRegExp,
- construct: constructJavascriptRegExp,
- predicate: isRegExp,
- represent: representJavascriptRegExp
-});
-
-var esprima;
-
-// Browserified version does not have esprima
-//
-// 1. For node.js just require module as deps
-// 2. For browser try to require mudule via external AMD system.
-// If not found - try to fallback to window.esprima. If not
-// found too - then fail to parse.
-//
-try {
- // workaround to exclude package from browserify list.
- var _require$1 = commonjsRequire;
- esprima = _require$1('esprima');
-} catch (_) {
- /*global window */
- if (typeof window !== 'undefined') esprima = window.esprima;
-}
-
-var Type$18 = type;
-
-function resolveJavascriptFunction(data) {
- if (data === null) return false;
-
- try {
- var source = '(' + data + ')',
- ast = esprima.parse(source, { range: true });
-
- if (ast.type !== 'Program' ||
- ast.body.length !== 1 ||
- ast.body[0].type !== 'ExpressionStatement' ||
- ast.body[0].expression.type !== 'FunctionExpression') {
- return false;
- }
-
- return true;
- } catch (err) {
- return false;
- }
-}
-
-function constructJavascriptFunction(data) {
- /*jslint evil:true*/
-
- var source = '(' + data + ')',
- ast = esprima.parse(source, { range: true }),
- params = [],
- body;
-
- if (ast.type !== 'Program' ||
- ast.body.length !== 1 ||
- ast.body[0].type !== 'ExpressionStatement' ||
- ast.body[0].expression.type !== 'FunctionExpression') {
- throw new Error('Failed to resolve function');
- }
-
- ast.body[0].expression.params.forEach(function (param) {
- params.push(param.name);
- });
-
- body = ast.body[0].expression.body.range;
-
- // Esprima's ranges include the first '{' and the last '}' characters on
- // function expressions. So cut them out.
- /*eslint-disable no-new-func*/
- return new Function(params, source.slice(body[0] + 1, body[1] - 1));
-}
-
-function representJavascriptFunction(object /*, style*/) {
- return object.toString();
-}
-
-function isFunction(object) {
- return Object.prototype.toString.call(object) === '[object Function]';
-}
-
-var _function = new Type$18('tag:yaml.org,2002:js/function', {
- kind: 'scalar',
- resolve: resolveJavascriptFunction,
- construct: constructJavascriptFunction,
- predicate: isFunction,
- represent: representJavascriptFunction
-});
-
-var Schema$6 = schema;
-
-
-var default_full = Schema$6.DEFAULT = new Schema$6({
- include: [
- default_safe
- ],
- explicit: [
- _undefined,
- regexp,
- _function
- ]
-});
-
-var common = common$1;
-var YAMLException$1 = exception;
-var Mark = mark;
-var DEFAULT_SAFE_SCHEMA$1 = default_safe;
-var DEFAULT_FULL_SCHEMA$1 = default_full;
-
-
-var _hasOwnProperty = Object.prototype.hasOwnProperty;
-
-
-var CONTEXT_FLOW_IN = 1;
-var CONTEXT_FLOW_OUT = 2;
-var CONTEXT_BLOCK_IN = 3;
-var CONTEXT_BLOCK_OUT = 4;
-
-
-var CHOMPING_CLIP = 1;
-var CHOMPING_STRIP = 2;
-var CHOMPING_KEEP = 3;
-
-
-var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
-var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/;
-var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/;
-var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i;
-var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i;
-
-
-function is_EOL(c) {
- return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);
-}
-
-function is_WHITE_SPACE(c) {
- return (c === 0x09/* Tab */) || (c === 0x20/* Space */);
-}
-
-function is_WS_OR_EOL(c) {
- return (c === 0x09/* Tab */) ||
- (c === 0x20/* Space */) ||
- (c === 0x0A/* LF */) ||
- (c === 0x0D/* CR */);
-}
-
-function is_FLOW_INDICATOR(c) {
- return c === 0x2C/* , */ ||
- c === 0x5B/* [ */ ||
- c === 0x5D/* ] */ ||
- c === 0x7B/* { */ ||
- c === 0x7D/* } */;
-}
-
-function fromHexCode(c) {
- var lc;
-
- if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
- return c - 0x30;
- }
-
- /*eslint-disable no-bitwise*/
- lc = c | 0x20;
-
- if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {
- return lc - 0x61 + 10;
- }
-
- return -1;
-}
-
-function escapedHexLen(c) {
- if (c === 0x78/* x */) { return 2; }
- if (c === 0x75/* u */) { return 4; }
- if (c === 0x55/* U */) { return 8; }
- return 0;
-}
-
-function fromDecimalCode(c) {
- if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
- return c - 0x30;
- }
-
- return -1;
-}
-
-function simpleEscapeSequence(c) {
- /* eslint-disable indent */
- return (c === 0x30/* 0 */) ? '\x00' :
- (c === 0x61/* a */) ? '\x07' :
- (c === 0x62/* b */) ? '\x08' :
- (c === 0x74/* t */) ? '\x09' :
- (c === 0x09/* Tab */) ? '\x09' :
- (c === 0x6E/* n */) ? '\x0A' :
- (c === 0x76/* v */) ? '\x0B' :
- (c === 0x66/* f */) ? '\x0C' :
- (c === 0x72/* r */) ? '\x0D' :
- (c === 0x65/* e */) ? '\x1B' :
- (c === 0x20/* Space */) ? ' ' :
- (c === 0x22/* " */) ? '\x22' :
- (c === 0x2F/* / */) ? '/' :
- (c === 0x5C/* \ */) ? '\x5C' :
- (c === 0x4E/* N */) ? '\x85' :
- (c === 0x5F/* _ */) ? '\xA0' :
- (c === 0x4C/* L */) ? '\u2028' :
- (c === 0x50/* P */) ? '\u2029' : '';
-}
-
-function charFromCodepoint(c) {
- if (c <= 0xFFFF) {
- return String.fromCharCode(c);
- }
- // Encode UTF-16 surrogate pair
- // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF
- return String.fromCharCode(
- ((c - 0x010000) >> 10) + 0xD800,
- ((c - 0x010000) & 0x03FF) + 0xDC00
- );
-}
-
-var simpleEscapeCheck = new Array(256); // integer, for fast access
-var simpleEscapeMap = new Array(256);
-for (var i = 0; i < 256; i++) {
- simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;
- simpleEscapeMap[i] = simpleEscapeSequence(i);
-}
-
-
-function State(input, options) {
- this.input = input;
-
- this.filename = options['filename'] || null;
- this.schema = options['schema'] || DEFAULT_FULL_SCHEMA$1;
- this.onWarning = options['onWarning'] || null;
- this.legacy = options['legacy'] || false;
- this.json = options['json'] || false;
- this.listener = options['listener'] || null;
-
- this.implicitTypes = this.schema.compiledImplicit;
- this.typeMap = this.schema.compiledTypeMap;
-
- this.length = input.length;
- this.position = 0;
- this.line = 0;
- this.lineStart = 0;
- this.lineIndent = 0;
-
- this.documents = [];
-
- /*
- this.version;
- this.checkLineBreaks;
- this.tagMap;
- this.anchorMap;
- this.tag;
- this.anchor;
- this.kind;
- this.result;*/
-
-}
-
-
-function generateError(state, message) {
- return new YAMLException$1(
- message,
- new Mark(state.filename, state.input, state.position, state.line, (state.position - state.lineStart)));
-}
-
-function throwError(state, message) {
- throw generateError(state, message);
-}
-
-function throwWarning(state, message) {
- if (state.onWarning) {
- state.onWarning.call(null, generateError(state, message));
- }
-}
-
-
-var directiveHandlers = {
-
- YAML: function handleYamlDirective(state, name, args) {
-
- var match, major, minor;
-
- if (state.version !== null) {
- throwError(state, 'duplication of %YAML directive');
- }
-
- if (args.length !== 1) {
- throwError(state, 'YAML directive accepts exactly one argument');
- }
-
- match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]);
-
- if (match === null) {
- throwError(state, 'ill-formed argument of the YAML directive');
- }
-
- major = parseInt(match[1], 10);
- minor = parseInt(match[2], 10);
-
- if (major !== 1) {
- throwError(state, 'unacceptable YAML version of the document');
- }
-
- state.version = args[0];
- state.checkLineBreaks = (minor < 2);
-
- if (minor !== 1 && minor !== 2) {
- throwWarning(state, 'unsupported YAML version of the document');
- }
- },
-
- TAG: function handleTagDirective(state, name, args) {
-
- var handle, prefix;
-
- if (args.length !== 2) {
- throwError(state, 'TAG directive accepts exactly two arguments');
- }
-
- handle = args[0];
- prefix = args[1];
-
- if (!PATTERN_TAG_HANDLE.test(handle)) {
- throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');
- }
-
- if (_hasOwnProperty.call(state.tagMap, handle)) {
- throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle');
- }
-
- if (!PATTERN_TAG_URI.test(prefix)) {
- throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');
- }
-
- state.tagMap[handle] = prefix;
- }
-};
-
-
-function captureSegment(state, start, end, checkJson) {
- var _position, _length, _character, _result;
-
- if (start < end) {
- _result = state.input.slice(start, end);
-
- if (checkJson) {
- for (_position = 0, _length = _result.length; _position < _length; _position += 1) {
- _character = _result.charCodeAt(_position);
- if (!(_character === 0x09 ||
- (0x20 <= _character && _character <= 0x10FFFF))) {
- throwError(state, 'expected valid JSON character');
- }
- }
- } else if (PATTERN_NON_PRINTABLE.test(_result)) {
- throwError(state, 'the stream contains non-printable characters');
- }
-
- state.result += _result;
- }
-}
-
-function mergeMappings(state, destination, source, overridableKeys) {
- var sourceKeys, key, index, quantity;
-
- if (!common.isObject(source)) {
- throwError(state, 'cannot merge mappings; the provided source object is unacceptable');
- }
-
- sourceKeys = Object.keys(source);
-
- for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {
- key = sourceKeys[index];
-
- if (!_hasOwnProperty.call(destination, key)) {
- destination[key] = source[key];
- overridableKeys[key] = true;
- }
- }
-}
-
-function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, startLine, startPos) {
- var index, quantity;
-
- keyNode = String(keyNode);
-
- if (_result === null) {
- _result = {};
- }
-
- if (keyTag === 'tag:yaml.org,2002:merge') {
- if (Array.isArray(valueNode)) {
- for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
- mergeMappings(state, _result, valueNode[index], overridableKeys);
- }
- } else {
- mergeMappings(state, _result, valueNode, overridableKeys);
- }
- } else {
- if (!state.json &&
- !_hasOwnProperty.call(overridableKeys, keyNode) &&
- _hasOwnProperty.call(_result, keyNode)) {
- state.line = startLine || state.line;
- state.position = startPos || state.position;
- throwError(state, 'duplicated mapping key');
- }
- _result[keyNode] = valueNode;
- delete overridableKeys[keyNode];
- }
-
- return _result;
-}
-
-function readLineBreak(state) {
- var ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch === 0x0A/* LF */) {
- state.position++;
- } else if (ch === 0x0D/* CR */) {
- state.position++;
- if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {
- state.position++;
- }
- } else {
- throwError(state, 'a line break is expected');
- }
-
- state.line += 1;
- state.lineStart = state.position;
-}
-
-function skipSeparationSpace(state, allowComments, checkIndent) {
- var lineBreaks = 0,
- ch = state.input.charCodeAt(state.position);
-
- while (ch !== 0) {
- while (is_WHITE_SPACE(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (allowComments && ch === 0x23/* # */) {
- do {
- ch = state.input.charCodeAt(++state.position);
- } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);
- }
-
- if (is_EOL(ch)) {
- readLineBreak(state);
-
- ch = state.input.charCodeAt(state.position);
- lineBreaks++;
- state.lineIndent = 0;
-
- while (ch === 0x20/* Space */) {
- state.lineIndent++;
- ch = state.input.charCodeAt(++state.position);
- }
- } else {
- break;
- }
- }
-
- if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {
- throwWarning(state, 'deficient indentation');
- }
-
- return lineBreaks;
-}
-
-function testDocumentSeparator(state) {
- var _position = state.position,
- ch;
-
- ch = state.input.charCodeAt(_position);
-
- // Condition state.position === state.lineStart is tested
- // in parent on each call, for efficiency. No needs to test here again.
- if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&
- ch === state.input.charCodeAt(_position + 1) &&
- ch === state.input.charCodeAt(_position + 2)) {
-
- _position += 3;
-
- ch = state.input.charCodeAt(_position);
-
- if (ch === 0 || is_WS_OR_EOL(ch)) {
- return true;
- }
- }
-
- return false;
-}
-
-function writeFoldedLines(state, count) {
- if (count === 1) {
- state.result += ' ';
- } else if (count > 1) {
- state.result += common.repeat('\n', count - 1);
- }
-}
-
-
-function readPlainScalar(state, nodeIndent, withinFlowCollection) {
- var preceding,
- following,
- captureStart,
- captureEnd,
- hasPendingContent,
- _line,
- _lineStart,
- _lineIndent,
- _kind = state.kind,
- _result = state.result,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (is_WS_OR_EOL(ch) ||
- is_FLOW_INDICATOR(ch) ||
- ch === 0x23/* # */ ||
- ch === 0x26/* & */ ||
- ch === 0x2A/* * */ ||
- ch === 0x21/* ! */ ||
- ch === 0x7C/* | */ ||
- ch === 0x3E/* > */ ||
- ch === 0x27/* ' */ ||
- ch === 0x22/* " */ ||
- ch === 0x25/* % */ ||
- ch === 0x40/* @ */ ||
- ch === 0x60/* ` */) {
- return false;
- }
-
- if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {
- following = state.input.charCodeAt(state.position + 1);
-
- if (is_WS_OR_EOL(following) ||
- withinFlowCollection && is_FLOW_INDICATOR(following)) {
- return false;
- }
- }
-
- state.kind = 'scalar';
- state.result = '';
- captureStart = captureEnd = state.position;
- hasPendingContent = false;
-
- while (ch !== 0) {
- if (ch === 0x3A/* : */) {
- following = state.input.charCodeAt(state.position + 1);
-
- if (is_WS_OR_EOL(following) ||
- withinFlowCollection && is_FLOW_INDICATOR(following)) {
- break;
- }
-
- } else if (ch === 0x23/* # */) {
- preceding = state.input.charCodeAt(state.position - 1);
-
- if (is_WS_OR_EOL(preceding)) {
- break;
- }
-
- } else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||
- withinFlowCollection && is_FLOW_INDICATOR(ch)) {
- break;
-
- } else if (is_EOL(ch)) {
- _line = state.line;
- _lineStart = state.lineStart;
- _lineIndent = state.lineIndent;
- skipSeparationSpace(state, false, -1);
-
- if (state.lineIndent >= nodeIndent) {
- hasPendingContent = true;
- ch = state.input.charCodeAt(state.position);
- continue;
- } else {
- state.position = captureEnd;
- state.line = _line;
- state.lineStart = _lineStart;
- state.lineIndent = _lineIndent;
- break;
- }
- }
-
- if (hasPendingContent) {
- captureSegment(state, captureStart, captureEnd, false);
- writeFoldedLines(state, state.line - _line);
- captureStart = captureEnd = state.position;
- hasPendingContent = false;
- }
-
- if (!is_WHITE_SPACE(ch)) {
- captureEnd = state.position + 1;
- }
-
- ch = state.input.charCodeAt(++state.position);
- }
-
- captureSegment(state, captureStart, captureEnd, false);
-
- if (state.result) {
- return true;
- }
-
- state.kind = _kind;
- state.result = _result;
- return false;
-}
-
-function readSingleQuotedScalar(state, nodeIndent) {
- var ch,
- captureStart, captureEnd;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch !== 0x27/* ' */) {
- return false;
- }
-
- state.kind = 'scalar';
- state.result = '';
- state.position++;
- captureStart = captureEnd = state.position;
-
- while ((ch = state.input.charCodeAt(state.position)) !== 0) {
- if (ch === 0x27/* ' */) {
- captureSegment(state, captureStart, state.position, true);
- ch = state.input.charCodeAt(++state.position);
-
- if (ch === 0x27/* ' */) {
- captureStart = state.position;
- state.position++;
- captureEnd = state.position;
- } else {
- return true;
- }
-
- } else if (is_EOL(ch)) {
- captureSegment(state, captureStart, captureEnd, true);
- writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
- captureStart = captureEnd = state.position;
-
- } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
- throwError(state, 'unexpected end of the document within a single quoted scalar');
-
- } else {
- state.position++;
- captureEnd = state.position;
- }
- }
-
- throwError(state, 'unexpected end of the stream within a single quoted scalar');
-}
-
-function readDoubleQuotedScalar(state, nodeIndent) {
- var captureStart,
- captureEnd,
- hexLength,
- hexResult,
- tmp,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch !== 0x22/* " */) {
- return false;
- }
-
- state.kind = 'scalar';
- state.result = '';
- state.position++;
- captureStart = captureEnd = state.position;
-
- while ((ch = state.input.charCodeAt(state.position)) !== 0) {
- if (ch === 0x22/* " */) {
- captureSegment(state, captureStart, state.position, true);
- state.position++;
- return true;
-
- } else if (ch === 0x5C/* \ */) {
- captureSegment(state, captureStart, state.position, true);
- ch = state.input.charCodeAt(++state.position);
-
- if (is_EOL(ch)) {
- skipSeparationSpace(state, false, nodeIndent);
-
- // TODO: rework to inline fn with no type cast?
- } else if (ch < 256 && simpleEscapeCheck[ch]) {
- state.result += simpleEscapeMap[ch];
- state.position++;
-
- } else if ((tmp = escapedHexLen(ch)) > 0) {
- hexLength = tmp;
- hexResult = 0;
-
- for (; hexLength > 0; hexLength--) {
- ch = state.input.charCodeAt(++state.position);
-
- if ((tmp = fromHexCode(ch)) >= 0) {
- hexResult = (hexResult << 4) + tmp;
-
- } else {
- throwError(state, 'expected hexadecimal character');
- }
- }
-
- state.result += charFromCodepoint(hexResult);
-
- state.position++;
-
- } else {
- throwError(state, 'unknown escape sequence');
- }
-
- captureStart = captureEnd = state.position;
-
- } else if (is_EOL(ch)) {
- captureSegment(state, captureStart, captureEnd, true);
- writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
- captureStart = captureEnd = state.position;
-
- } else if (state.position === state.lineStart && testDocumentSeparator(state)) {
- throwError(state, 'unexpected end of the document within a double quoted scalar');
-
- } else {
- state.position++;
- captureEnd = state.position;
- }
- }
-
- throwError(state, 'unexpected end of the stream within a double quoted scalar');
-}
-
-function readFlowCollection(state, nodeIndent) {
- var readNext = true,
- _line,
- _tag = state.tag,
- _result,
- _anchor = state.anchor,
- following,
- terminator,
- isPair,
- isExplicitPair,
- isMapping,
- overridableKeys = {},
- keyNode,
- keyTag,
- valueNode,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch === 0x5B/* [ */) {
- terminator = 0x5D;/* ] */
- isMapping = false;
- _result = [];
- } else if (ch === 0x7B/* { */) {
- terminator = 0x7D;/* } */
- isMapping = true;
- _result = {};
- } else {
- return false;
- }
-
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = _result;
- }
-
- ch = state.input.charCodeAt(++state.position);
-
- while (ch !== 0) {
- skipSeparationSpace(state, true, nodeIndent);
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch === terminator) {
- state.position++;
- state.tag = _tag;
- state.anchor = _anchor;
- state.kind = isMapping ? 'mapping' : 'sequence';
- state.result = _result;
- return true;
- } else if (!readNext) {
- throwError(state, 'missed comma between flow collection entries');
- }
-
- keyTag = keyNode = valueNode = null;
- isPair = isExplicitPair = false;
-
- if (ch === 0x3F/* ? */) {
- following = state.input.charCodeAt(state.position + 1);
-
- if (is_WS_OR_EOL(following)) {
- isPair = isExplicitPair = true;
- state.position++;
- skipSeparationSpace(state, true, nodeIndent);
- }
- }
-
- _line = state.line;
- composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
- keyTag = state.tag;
- keyNode = state.result;
- skipSeparationSpace(state, true, nodeIndent);
-
- ch = state.input.charCodeAt(state.position);
-
- if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {
- isPair = true;
- ch = state.input.charCodeAt(++state.position);
- skipSeparationSpace(state, true, nodeIndent);
- composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
- valueNode = state.result;
- }
-
- if (isMapping) {
- storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode);
- } else if (isPair) {
- _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode));
- } else {
- _result.push(keyNode);
- }
-
- skipSeparationSpace(state, true, nodeIndent);
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch === 0x2C/* , */) {
- readNext = true;
- ch = state.input.charCodeAt(++state.position);
- } else {
- readNext = false;
- }
- }
-
- throwError(state, 'unexpected end of the stream within a flow collection');
-}
-
-function readBlockScalar(state, nodeIndent) {
- var captureStart,
- folding,
- chomping = CHOMPING_CLIP,
- didReadContent = false,
- detectedIndent = false,
- textIndent = nodeIndent,
- emptyLines = 0,
- atMoreIndented = false,
- tmp,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch === 0x7C/* | */) {
- folding = false;
- } else if (ch === 0x3E/* > */) {
- folding = true;
- } else {
- return false;
- }
-
- state.kind = 'scalar';
- state.result = '';
-
- while (ch !== 0) {
- ch = state.input.charCodeAt(++state.position);
-
- if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {
- if (CHOMPING_CLIP === chomping) {
- chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP;
- } else {
- throwError(state, 'repeat of a chomping mode identifier');
- }
-
- } else if ((tmp = fromDecimalCode(ch)) >= 0) {
- if (tmp === 0) {
- throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');
- } else if (!detectedIndent) {
- textIndent = nodeIndent + tmp - 1;
- detectedIndent = true;
- } else {
- throwError(state, 'repeat of an indentation width identifier');
- }
-
- } else {
- break;
- }
- }
-
- if (is_WHITE_SPACE(ch)) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (is_WHITE_SPACE(ch));
-
- if (ch === 0x23/* # */) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (!is_EOL(ch) && (ch !== 0));
- }
- }
-
- while (ch !== 0) {
- readLineBreak(state);
- state.lineIndent = 0;
-
- ch = state.input.charCodeAt(state.position);
-
- while ((!detectedIndent || state.lineIndent < textIndent) &&
- (ch === 0x20/* Space */)) {
- state.lineIndent++;
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (!detectedIndent && state.lineIndent > textIndent) {
- textIndent = state.lineIndent;
- }
-
- if (is_EOL(ch)) {
- emptyLines++;
- continue;
- }
-
- // End of the scalar.
- if (state.lineIndent < textIndent) {
-
- // Perform the chomping.
- if (chomping === CHOMPING_KEEP) {
- state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
- } else if (chomping === CHOMPING_CLIP) {
- if (didReadContent) { // i.e. only if the scalar is not empty.
- state.result += '\n';
- }
- }
-
- // Break this `while` cycle and go to the funciton's epilogue.
- break;
- }
-
- // Folded style: use fancy rules to handle line breaks.
- if (folding) {
-
- // Lines starting with white space characters (more-indented lines) are not folded.
- if (is_WHITE_SPACE(ch)) {
- atMoreIndented = true;
- // except for the first content line (cf. Example 8.1)
- state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
-
- // End of more-indented block.
- } else if (atMoreIndented) {
- atMoreIndented = false;
- state.result += common.repeat('\n', emptyLines + 1);
-
- // Just one line break - perceive as the same line.
- } else if (emptyLines === 0) {
- if (didReadContent) { // i.e. only if we have already read some scalar content.
- state.result += ' ';
- }
-
- // Several line breaks - perceive as different lines.
- } else {
- state.result += common.repeat('\n', emptyLines);
- }
-
- // Literal style: just add exact number of line breaks between content lines.
- } else {
- // Keep all line breaks except the header line break.
- state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
- }
-
- didReadContent = true;
- detectedIndent = true;
- emptyLines = 0;
- captureStart = state.position;
-
- while (!is_EOL(ch) && (ch !== 0)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- captureSegment(state, captureStart, state.position, false);
- }
-
- return true;
-}
-
-function readBlockSequence(state, nodeIndent) {
- var _line,
- _tag = state.tag,
- _anchor = state.anchor,
- _result = [],
- following,
- detected = false,
- ch;
-
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = _result;
- }
-
- ch = state.input.charCodeAt(state.position);
-
- while (ch !== 0) {
-
- if (ch !== 0x2D/* - */) {
- break;
- }
-
- following = state.input.charCodeAt(state.position + 1);
-
- if (!is_WS_OR_EOL(following)) {
- break;
- }
-
- detected = true;
- state.position++;
-
- if (skipSeparationSpace(state, true, -1)) {
- if (state.lineIndent <= nodeIndent) {
- _result.push(null);
- ch = state.input.charCodeAt(state.position);
- continue;
- }
- }
-
- _line = state.line;
- composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);
- _result.push(state.result);
- skipSeparationSpace(state, true, -1);
-
- ch = state.input.charCodeAt(state.position);
-
- if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {
- throwError(state, 'bad indentation of a sequence entry');
- } else if (state.lineIndent < nodeIndent) {
- break;
- }
- }
-
- if (detected) {
- state.tag = _tag;
- state.anchor = _anchor;
- state.kind = 'sequence';
- state.result = _result;
- return true;
- }
- return false;
-}
-
-function readBlockMapping(state, nodeIndent, flowIndent) {
- var following,
- allowCompact,
- _line,
- _pos,
- _tag = state.tag,
- _anchor = state.anchor,
- _result = {},
- overridableKeys = {},
- keyTag = null,
- keyNode = null,
- valueNode = null,
- atExplicitKey = false,
- detected = false,
- ch;
-
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = _result;
- }
-
- ch = state.input.charCodeAt(state.position);
-
- while (ch !== 0) {
- following = state.input.charCodeAt(state.position + 1);
- _line = state.line; // Save the current line.
- _pos = state.position;
-
- //
- // Explicit notation case. There are two separate blocks:
- // first for the key (denoted by "?") and second for the value (denoted by ":")
- //
- if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) {
-
- if (ch === 0x3F/* ? */) {
- if (atExplicitKey) {
- storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
- keyTag = keyNode = valueNode = null;
- }
-
- detected = true;
- atExplicitKey = true;
- allowCompact = true;
-
- } else if (atExplicitKey) {
- // i.e. 0x3A/* : */ === character after the explicit key.
- atExplicitKey = false;
- allowCompact = true;
-
- } else {
- throwError(state, 'incomplete explicit mapping pair; a key node is missed');
- }
-
- state.position += 1;
- ch = following;
-
- //
- // Implicit notation case. Flow-style node as the key first, then ":", and the value.
- //
- } else if (composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {
-
- if (state.line === _line) {
- ch = state.input.charCodeAt(state.position);
-
- while (is_WHITE_SPACE(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (ch === 0x3A/* : */) {
- ch = state.input.charCodeAt(++state.position);
-
- if (!is_WS_OR_EOL(ch)) {
- throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');
- }
-
- if (atExplicitKey) {
- storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
- keyTag = keyNode = valueNode = null;
- }
-
- detected = true;
- atExplicitKey = false;
- allowCompact = false;
- keyTag = state.tag;
- keyNode = state.result;
-
- } else if (detected) {
- throwError(state, 'can not read an implicit mapping pair; a colon is missed');
-
- } else {
- state.tag = _tag;
- state.anchor = _anchor;
- return true; // Keep the result of `composeNode`.
- }
-
- } else if (detected) {
- throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');
-
- } else {
- state.tag = _tag;
- state.anchor = _anchor;
- return true; // Keep the result of `composeNode`.
- }
-
- } else {
- break; // Reading is done. Go to the epilogue.
- }
-
- //
- // Common reading code for both explicit and implicit notations.
- //
- if (state.line === _line || state.lineIndent > nodeIndent) {
- if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {
- if (atExplicitKey) {
- keyNode = state.result;
- } else {
- valueNode = state.result;
- }
- }
-
- if (!atExplicitKey) {
- storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _pos);
- keyTag = keyNode = valueNode = null;
- }
-
- skipSeparationSpace(state, true, -1);
- ch = state.input.charCodeAt(state.position);
- }
-
- if (state.lineIndent > nodeIndent && (ch !== 0)) {
- throwError(state, 'bad indentation of a mapping entry');
- } else if (state.lineIndent < nodeIndent) {
- break;
- }
- }
-
- //
- // Epilogue.
- //
-
- // Special case: last mapping's node contains only the key in explicit notation.
- if (atExplicitKey) {
- storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null);
- }
-
- // Expose the resulting mapping.
- if (detected) {
- state.tag = _tag;
- state.anchor = _anchor;
- state.kind = 'mapping';
- state.result = _result;
- }
-
- return detected;
-}
-
-function readTagProperty(state) {
- var _position,
- isVerbatim = false,
- isNamed = false,
- tagHandle,
- tagName,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch !== 0x21/* ! */) return false;
-
- if (state.tag !== null) {
- throwError(state, 'duplication of a tag property');
- }
-
- ch = state.input.charCodeAt(++state.position);
-
- if (ch === 0x3C/* < */) {
- isVerbatim = true;
- ch = state.input.charCodeAt(++state.position);
-
- } else if (ch === 0x21/* ! */) {
- isNamed = true;
- tagHandle = '!!';
- ch = state.input.charCodeAt(++state.position);
-
- } else {
- tagHandle = '!';
- }
-
- _position = state.position;
-
- if (isVerbatim) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (ch !== 0 && ch !== 0x3E/* > */);
-
- if (state.position < state.length) {
- tagName = state.input.slice(_position, state.position);
- ch = state.input.charCodeAt(++state.position);
- } else {
- throwError(state, 'unexpected end of the stream within a verbatim tag');
- }
- } else {
- while (ch !== 0 && !is_WS_OR_EOL(ch)) {
-
- if (ch === 0x21/* ! */) {
- if (!isNamed) {
- tagHandle = state.input.slice(_position - 1, state.position + 1);
-
- if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
- throwError(state, 'named tag handle cannot contain such characters');
- }
-
- isNamed = true;
- _position = state.position + 1;
- } else {
- throwError(state, 'tag suffix cannot contain exclamation marks');
- }
- }
-
- ch = state.input.charCodeAt(++state.position);
- }
-
- tagName = state.input.slice(_position, state.position);
-
- if (PATTERN_FLOW_INDICATORS.test(tagName)) {
- throwError(state, 'tag suffix cannot contain flow indicator characters');
- }
- }
-
- if (tagName && !PATTERN_TAG_URI.test(tagName)) {
- throwError(state, 'tag name cannot contain such characters: ' + tagName);
- }
-
- if (isVerbatim) {
- state.tag = tagName;
-
- } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) {
- state.tag = state.tagMap[tagHandle] + tagName;
-
- } else if (tagHandle === '!') {
- state.tag = '!' + tagName;
-
- } else if (tagHandle === '!!') {
- state.tag = 'tag:yaml.org,2002:' + tagName;
-
- } else {
- throwError(state, 'undeclared tag handle "' + tagHandle + '"');
- }
-
- return true;
-}
-
-function readAnchorProperty(state) {
- var _position,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch !== 0x26/* & */) return false;
-
- if (state.anchor !== null) {
- throwError(state, 'duplication of an anchor property');
- }
-
- ch = state.input.charCodeAt(++state.position);
- _position = state.position;
-
- while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (state.position === _position) {
- throwError(state, 'name of an anchor node must contain at least one character');
- }
-
- state.anchor = state.input.slice(_position, state.position);
- return true;
-}
-
-function readAlias(state) {
- var _position, alias,
- ch;
-
- ch = state.input.charCodeAt(state.position);
-
- if (ch !== 0x2A/* * */) return false;
-
- ch = state.input.charCodeAt(++state.position);
- _position = state.position;
-
- while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (state.position === _position) {
- throwError(state, 'name of an alias node must contain at least one character');
- }
-
- alias = state.input.slice(_position, state.position);
-
- if (!state.anchorMap.hasOwnProperty(alias)) {
- throwError(state, 'unidentified alias "' + alias + '"');
- }
-
- state.result = state.anchorMap[alias];
- skipSeparationSpace(state, true, -1);
- return true;
-}
-
-function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {
- var allowBlockStyles,
- allowBlockScalars,
- allowBlockCollections,
- indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) {
- indentStatus = 1;
- } else if (state.lineIndent === parentIndent) {
- indentStatus = 0;
- } else if (state.lineIndent < parentIndent) {
- indentStatus = -1;
- }
- }
- }
-
- if (indentStatus === 1) {
- while (readTagProperty(state) || readAnchorProperty(state)) {
- if (skipSeparationSpace(state, true, -1)) {
- atNewLine = true;
- allowBlockCollections = allowBlockStyles;
-
- if (state.lineIndent > parentIndent) {
- indentStatus = 1;
- } else if (state.lineIndent === parentIndent) {
- indentStatus = 0;
- } else if (state.lineIndent < parentIndent) {
- indentStatus = -1;
- }
- } else {
- allowBlockCollections = false;
- }
- }
- }
-
- if (allowBlockCollections) {
- allowBlockCollections = atNewLine || allowCompact;
- }
-
- if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {
- if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {
- flowIndent = parentIndent;
- } else {
- flowIndent = parentIndent + 1;
- }
-
- blockIndent = state.position - state.lineStart;
-
- if (indentStatus === 1) {
- if (allowBlockCollections &&
- (readBlockSequence(state, blockIndent) ||
- readBlockMapping(state, blockIndent, flowIndent)) ||
- readFlowCollection(state, flowIndent)) {
- hasContent = true;
- } else {
- if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||
- readSingleQuotedScalar(state, flowIndent) ||
- readDoubleQuotedScalar(state, flowIndent)) {
- hasContent = true;
-
- } else if (readAlias(state)) {
- hasContent = true;
-
- if (state.tag !== null || state.anchor !== null) {
- throwError(state, 'alias node should not have any properties');
- }
-
- } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {
- hasContent = true;
-
- if (state.tag === null) {
- state.tag = '?';
- }
- }
-
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = state.result;
- }
- }
- } else if (indentStatus === 0) {
- // Special case: block sequences are allowed to have same indentation level as the parent.
- // http://www.yaml.org/spec/1.2/spec.html#id2799784
- hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);
- }
- }
-
- if (state.tag !== null && state.tag !== '!') {
- if (state.tag === '?') {
- for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {
- type = state.implicitTypes[typeIndex];
-
- // Implicit resolving is not allowed for non-scalar types, and '?'
- // non-specific tag is only assigned to plain scalars. So, it isn't
- // needed to check for 'kind' conformity.
-
- if (type.resolve(state.result)) { // `state.result` updated in resolver if matched
- state.result = type.construct(state.result);
- state.tag = type.tag;
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = state.result;
- }
- break;
- }
- }
- } else if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) {
- type = state.typeMap[state.kind || 'fallback'][state.tag];
-
- if (state.result !== null && type.kind !== state.kind) {
- throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"');
- }
-
- if (!type.resolve(state.result)) { // `state.result` updated in resolver if matched
- throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');
- } else {
- state.result = type.construct(state.result);
- if (state.anchor !== null) {
- state.anchorMap[state.anchor] = state.result;
- }
- }
- } else {
- throwError(state, 'unknown tag !<' + state.tag + '>');
- }
- }
-
- if (state.listener !== null) {
- state.listener('close', state);
- }
- return state.tag !== null || state.anchor !== null || hasContent;
-}
-
-function readDocument(state) {
- var documentStart = state.position,
- _position,
- directiveName,
- directiveArgs,
- hasDirectives = false,
- ch;
-
- state.version = null;
- state.checkLineBreaks = state.legacy;
- state.tagMap = {};
- state.anchorMap = {};
-
- while ((ch = state.input.charCodeAt(state.position)) !== 0) {
- skipSeparationSpace(state, true, -1);
-
- ch = state.input.charCodeAt(state.position);
-
- if (state.lineIndent > 0 || ch !== 0x25/* % */) {
- break;
- }
-
- hasDirectives = true;
- ch = state.input.charCodeAt(++state.position);
- _position = state.position;
-
- while (ch !== 0 && !is_WS_OR_EOL(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- directiveName = state.input.slice(_position, state.position);
- directiveArgs = [];
-
- if (directiveName.length < 1) {
- throwError(state, 'directive name must not be less than one character in length');
- }
-
- while (ch !== 0) {
- while (is_WHITE_SPACE(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- if (ch === 0x23/* # */) {
- do { ch = state.input.charCodeAt(++state.position); }
- while (ch !== 0 && !is_EOL(ch));
- break;
- }
-
- if (is_EOL(ch)) break;
-
- _position = state.position;
-
- while (ch !== 0 && !is_WS_OR_EOL(ch)) {
- ch = state.input.charCodeAt(++state.position);
- }
-
- directiveArgs.push(state.input.slice(_position, state.position));
- }
-
- if (ch !== 0) readLineBreak(state);
-
- if (_hasOwnProperty.call(directiveHandlers, directiveName)) {
- directiveHandlers[directiveName](state, directiveName, directiveArgs);
- } else {
- throwWarning(state, 'unknown document directive "' + directiveName + '"');
- }
- }
-
- skipSeparationSpace(state, true, -1);
-
- if (state.lineIndent === 0 &&
- state.input.charCodeAt(state.position) === 0x2D/* - */ &&
- state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&
- state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {
- state.position += 3;
- skipSeparationSpace(state, true, -1);
-
- } else if (hasDirectives) {
- throwError(state, 'directives end mark is expected');
- }
-
- composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);
- skipSeparationSpace(state, true, -1);
-
- if (state.checkLineBreaks &&
- PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {
- throwWarning(state, 'non-ASCII line breaks are interpreted as content');
- }
-
- state.documents.push(state.result);
-
- if (state.position === state.lineStart && testDocumentSeparator(state)) {
-
- if (state.input.charCodeAt(state.position) === 0x2E/* . */) {
- state.position += 3;
- skipSeparationSpace(state, true, -1);
- }
- return;
- }
-
- if (state.position < (state.length - 1)) {
- throwError(state, 'end of the stream or a document separator is expected');
- } else {
- return;
- }
-}
-
-
-function loadDocuments(input, options) {
- input = String(input);
- options = options || {};
-
- if (input.length !== 0) {
-
- // Add tailing `\n` if not exists
- if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&
- input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {
- input += '\n';
- }
-
- // Strip BOM
- if (input.charCodeAt(0) === 0xFEFF) {
- input = input.slice(1);
- }
- }
-
- var state = new State(input, options);
-
- // Use 0 as string terminator. That significantly simplifies bounds check.
- state.input += '\0';
-
- while (state.input.charCodeAt(state.position) === 0x20/* Space */) {
- state.lineIndent += 1;
- state.position += 1;
- }
-
- while (state.position < (state.length - 1)) {
- readDocument(state);
- }
-
- return state.documents;
-}
-
-
-function loadAll$1(input, iterator, options) {
- var documents = loadDocuments(input, options), index, length;
-
- if (typeof iterator !== 'function') {
- return documents;
- }
-
- for (index = 0, length = documents.length; index < length; index += 1) {
- iterator(documents[index]);
- }
-}
-
-
-function load$1(input, options) {
- var documents = loadDocuments(input, options);
-
- if (documents.length === 0) {
- /*eslint-disable no-undefined*/
- return undefined;
- } else if (documents.length === 1) {
- return documents[0];
- }
- throw new YAMLException$1('expected a single document in the stream, but found more');
-}
-
-
-function safeLoadAll$1(input, output, options) {
- if (typeof output === 'function') {
- loadAll$1(input, output, common.extend({ schema: DEFAULT_SAFE_SCHEMA$1 }, options));
- } else {
- return loadAll$1(input, common.extend({ schema: DEFAULT_SAFE_SCHEMA$1 }, options));
- }
-}
-
-
-function safeLoad$1(input, options) {
- return load$1(input, common.extend({ schema: DEFAULT_SAFE_SCHEMA$1 }, options));
-}
-
-
-var loadAll_1 = loadAll$1;
-var load_1 = load$1;
-var safeLoadAll_1 = safeLoadAll$1;
-var safeLoad_1 = safeLoad$1;
-
-var loader$1 = {
- loadAll: loadAll_1,
- load: load_1,
- safeLoadAll: safeLoadAll_1,
- safeLoad: safeLoad_1
-};
-
-var common$7 = common$1;
-var YAMLException$5 = exception;
-var DEFAULT_FULL_SCHEMA$2 = default_full;
-var DEFAULT_SAFE_SCHEMA$2 = default_safe;
-
-var _toString$2 = Object.prototype.toString;
-var _hasOwnProperty$3 = Object.prototype.hasOwnProperty;
-
-var CHAR_TAB = 0x09; /* Tab */
-var CHAR_LINE_FEED = 0x0A; /* LF */
-var CHAR_SPACE = 0x20; /* Space */
-var CHAR_EXCLAMATION = 0x21; /* ! */
-var CHAR_DOUBLE_QUOTE = 0x22; /* " */
-var CHAR_SHARP = 0x23; /* # */
-var CHAR_PERCENT = 0x25; /* % */
-var CHAR_AMPERSAND = 0x26; /* & */
-var CHAR_SINGLE_QUOTE = 0x27; /* ' */
-var CHAR_ASTERISK = 0x2A; /* * */
-var CHAR_COMMA = 0x2C; /* , */
-var CHAR_MINUS = 0x2D; /* - */
-var CHAR_COLON = 0x3A; /* : */
-var CHAR_GREATER_THAN = 0x3E; /* > */
-var CHAR_QUESTION = 0x3F; /* ? */
-var CHAR_COMMERCIAL_AT = 0x40; /* @ */
-var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */
-var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */
-var CHAR_GRAVE_ACCENT = 0x60; /* ` */
-var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */
-var CHAR_VERTICAL_LINE = 0x7C; /* | */
-var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */
-
-var ESCAPE_SEQUENCES = {};
-
-ESCAPE_SEQUENCES[0x00] = '\\0';
-ESCAPE_SEQUENCES[0x07] = '\\a';
-ESCAPE_SEQUENCES[0x08] = '\\b';
-ESCAPE_SEQUENCES[0x09] = '\\t';
-ESCAPE_SEQUENCES[0x0A] = '\\n';
-ESCAPE_SEQUENCES[0x0B] = '\\v';
-ESCAPE_SEQUENCES[0x0C] = '\\f';
-ESCAPE_SEQUENCES[0x0D] = '\\r';
-ESCAPE_SEQUENCES[0x1B] = '\\e';
-ESCAPE_SEQUENCES[0x22] = '\\"';
-ESCAPE_SEQUENCES[0x5C] = '\\\\';
-ESCAPE_SEQUENCES[0x85] = '\\N';
-ESCAPE_SEQUENCES[0xA0] = '\\_';
-ESCAPE_SEQUENCES[0x2028] = '\\L';
-ESCAPE_SEQUENCES[0x2029] = '\\P';
-
-var DEPRECATED_BOOLEANS_SYNTAX = [
- 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON',
- 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'
-];
-
-function compileStyleMap(schema, map) {
- var result, keys, index, length, tag, style, type;
-
- if (map === null) return {};
-
- result = {};
- keys = Object.keys(map);
-
- for (index = 0, length = keys.length; index < length; index += 1) {
- tag = keys[index];
- style = String(map[tag]);
-
- if (tag.slice(0, 2) === '!!') {
- tag = 'tag:yaml.org,2002:' + tag.slice(2);
- }
- type = schema.compiledTypeMap['fallback'][tag];
-
- if (type && _hasOwnProperty$3.call(type.styleAliases, style)) {
- style = type.styleAliases[style];
- }
-
- result[tag] = style;
- }
-
- return result;
-}
-
-function encodeHex(character) {
- var string, handle, length;
-
- string = character.toString(16).toUpperCase();
-
- if (character <= 0xFF) {
- handle = 'x';
- length = 2;
- } else if (character <= 0xFFFF) {
- handle = 'u';
- length = 4;
- } else if (character <= 0xFFFFFFFF) {
- handle = 'U';
- length = 8;
- } else {
- throw new YAMLException$5('code point within a string may not be greater than 0xFFFFFFFF');
- }
-
- return '\\' + handle + common$7.repeat('0', length - string.length) + string;
-}
-
-function State$1(options) {
- this.schema = options['schema'] || DEFAULT_FULL_SCHEMA$2;
- this.indent = Math.max(1, (options['indent'] || 2));
- this.skipInvalid = options['skipInvalid'] || false;
- this.flowLevel = (common$7.isNothing(options['flowLevel']) ? -1 : options['flowLevel']);
- this.styleMap = compileStyleMap(this.schema, options['styles'] || null);
- this.sortKeys = options['sortKeys'] || false;
- this.lineWidth = options['lineWidth'] || 80;
- this.noRefs = options['noRefs'] || false;
- this.noCompatMode = options['noCompatMode'] || false;
- this.condenseFlow = options['condenseFlow'] || false;
-
- this.implicitTypes = this.schema.compiledImplicit;
- this.explicitTypes = this.schema.compiledExplicit;
-
- this.tag = null;
- this.result = '';
-
- this.duplicates = [];
- this.usedDuplicates = null;
-}
-
-// Indents every line in a string. Empty lines (\n only) are not indented.
-function indentString(string, spaces) {
- var ind = common$7.repeat(' ', spaces),
- position = 0,
- next = -1,
- result = '',
- line,
- length = string.length;
-
- while (position < length) {
- next = string.indexOf('\n', position);
- if (next === -1) {
- line = string.slice(position);
- position = length;
- } else {
- line = string.slice(position, next + 1);
- position = next + 1;
- }
-
- if (line.length && line !== '\n') result += ind;
-
- result += line;
- }
-
- return result;
-}
-
-function generateNextLine(state, level) {
- return '\n' + common$7.repeat(' ', state.indent * level);
-}
-
-function testImplicitResolving(state, str) {
- var index, length, type;
-
- for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {
- type = state.implicitTypes[index];
-
- if (type.resolve(str)) {
- return true;
- }
- }
-
- return false;
-}
-
-// [33] s-white ::= s-space | s-tab
-function isWhitespace(c) {
- return c === CHAR_SPACE || c === CHAR_TAB;
-}
-
-// Returns true if the character can be printed without escaping.
-// From YAML 1.2: "any allowed characters known to be non-printable
-// should also be escaped. [However,] This isn’t mandatory"
-// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029.
-function isPrintable(c) {
- return (0x00020 <= c && c <= 0x00007E)
- || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029)
- || ((0x0E000 <= c && c <= 0x00FFFD) && c !== 0xFEFF /* BOM */)
- || (0x10000 <= c && c <= 0x10FFFF);
-}
-
-// Simplified test for values allowed after the first character in plain style.
-function isPlainSafe(c) {
- // Uses a subset of nb-char - c-flow-indicator - ":" - "#"
- // where nb-char ::= c-printable - b-char - c-byte-order-mark.
- return isPrintable(c) && c !== 0xFEFF
- // - c-flow-indicator
- && c !== CHAR_COMMA
- && c !== CHAR_LEFT_SQUARE_BRACKET
- && c !== CHAR_RIGHT_SQUARE_BRACKET
- && c !== CHAR_LEFT_CURLY_BRACKET
- && c !== CHAR_RIGHT_CURLY_BRACKET
- // - ":" - "#"
- && c !== CHAR_COLON
- && c !== CHAR_SHARP;
-}
-
-// Simplified test for values allowed as the first character in plain style.
-function isPlainSafeFirst(c) {
- // Uses a subset of ns-char - c-indicator
- // where ns-char = nb-char - s-white.
- return isPrintable(c) && c !== 0xFEFF
- && !isWhitespace(c) // - s-white
- // - (c-indicator ::=
- // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}”
- && c !== CHAR_MINUS
- && c !== CHAR_QUESTION
- && c !== CHAR_COLON
- && c !== CHAR_COMMA
- && c !== CHAR_LEFT_SQUARE_BRACKET
- && c !== CHAR_RIGHT_SQUARE_BRACKET
- && c !== CHAR_LEFT_CURLY_BRACKET
- && c !== CHAR_RIGHT_CURLY_BRACKET
- // | “#” | “&” | “*” | “!” | “|” | “>” | “'” | “"”
- && c !== CHAR_SHARP
- && c !== CHAR_AMPERSAND
- && c !== CHAR_ASTERISK
- && c !== CHAR_EXCLAMATION
- && c !== CHAR_VERTICAL_LINE
- && c !== CHAR_GREATER_THAN
- && c !== CHAR_SINGLE_QUOTE
- && c !== CHAR_DOUBLE_QUOTE
- // | “%” | “@” | “`”)
- && c !== CHAR_PERCENT
- && c !== CHAR_COMMERCIAL_AT
- && c !== CHAR_GRAVE_ACCENT;
-}
-
-var STYLE_PLAIN = 1;
-var STYLE_SINGLE = 2;
-var STYLE_LITERAL = 3;
-var STYLE_FOLDED = 4;
-var STYLE_DOUBLE = 5;
-
-// Determines which scalar styles are possible and returns the preferred style.
-// lineWidth = -1 => no limit.
-// Pre-conditions: str.length > 0.
-// Post-conditions:
-// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string.
-// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).
-// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).
-function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, testAmbiguousType) {
- var i;
- var char;
- var hasLineBreak = false;
- var hasFoldableLine = false; // only checked if shouldTrackWidth
- var shouldTrackWidth = lineWidth !== -1;
- var previousLineBreak = -1; // count the first line correctly
- var plain = isPlainSafeFirst(string.charCodeAt(0))
- && !isWhitespace(string.charCodeAt(string.length - 1));
-
- if (singleLineOnly) {
- // Case: no block styles.
- // Check for disallowed characters to rule out plain and single.
- for (i = 0; i < string.length; i++) {
- char = string.charCodeAt(i);
- if (!isPrintable(char)) {
- return STYLE_DOUBLE;
- }
- plain = plain && isPlainSafe(char);
- }
- } else {
- // Case: block styles permitted.
- for (i = 0; i < string.length; i++) {
- char = string.charCodeAt(i);
- if (char === CHAR_LINE_FEED) {
- hasLineBreak = true;
- // Check if any line can be folded.
- if (shouldTrackWidth) {
- hasFoldableLine = hasFoldableLine ||
- // Foldable line = too long, and not more-indented.
- (i - previousLineBreak - 1 > lineWidth &&
- string[previousLineBreak + 1] !== ' ');
- previousLineBreak = i;
- }
- } else if (!isPrintable(char)) {
- return STYLE_DOUBLE;
- }
- plain = plain && isPlainSafe(char);
- }
- // in case the end is missing a \n
- hasFoldableLine = hasFoldableLine || (shouldTrackWidth &&
- (i - previousLineBreak - 1 > lineWidth &&
- string[previousLineBreak + 1] !== ' '));
- }
- // Although every style can represent \n without escaping, prefer block styles
- // for multiline, since they're more readable and they don't add empty lines.
- // Also prefer folding a super-long line.
- if (!hasLineBreak && !hasFoldableLine) {
- // Strings interpretable as another type have to be quoted;
- // e.g. the string 'true' vs. the boolean true.
- return plain && !testAmbiguousType(string)
- ? STYLE_PLAIN : STYLE_SINGLE;
- }
- // Edge case: block indentation indicator can only have one digit.
- if (string[0] === ' ' && indentPerLevel > 9) {
- return STYLE_DOUBLE;
- }
- // At this point we know block styles are valid.
- // Prefer literal style unless we want to fold.
- return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;
-}
-
-// Note: line breaking/folding is implemented for only the folded style.
-// NB. We drop the last trailing newline (if any) of a returned block scalar
-// since the dumper adds its own newline. This always works:
-// • No ending newline => unaffected; already using strip "-" chomping.
-// • Ending newline => removed then restored.
-// Importantly, this keeps the "+" chomp indicator from gaining an extra line.
-function writeScalar(state, string, level, iskey) {
- state.dump = (function () {
- if (string.length === 0) {
- return "''";
- }
- if (!state.noCompatMode &&
- DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1) {
- return "'" + string + "'";
- }
-
- var indent = state.indent * Math.max(1, level); // no 0-indent scalars
- // As indentation gets deeper, let the width decrease monotonically
- // to the lower bound min(state.lineWidth, 40).
- // Note that this implies
- // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound.
- // state.lineWidth > 40 + state.indent: width decreases until the lower bound.
- // This behaves better than a constant minimum width which disallows narrower options,
- // or an indent threshold which causes the width to suddenly increase.
- var lineWidth = state.lineWidth === -1
- ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent);
-
- // Without knowing if keys are implicit/explicit, assume implicit for safety.
- var singleLineOnly = iskey
- // No block styles in flow mode.
- || (state.flowLevel > -1 && level >= state.flowLevel);
- function testAmbiguity(string) {
- return testImplicitResolving(state, string);
- }
-
- switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, testAmbiguity)) {
- case STYLE_PLAIN:
- return string;
- case STYLE_SINGLE:
- return "'" + string.replace(/'/g, "''") + "'";
- case STYLE_LITERAL:
- return '|' + blockHeader(string, state.indent)
- + dropEndingNewline(indentString(string, indent));
- case STYLE_FOLDED:
- return '>' + blockHeader(string, state.indent)
- + dropEndingNewline(indentString(foldString(string, lineWidth), indent));
- case STYLE_DOUBLE:
- return '"' + escapeString(string, lineWidth) + '"';
- default:
- throw new YAMLException$5('impossible error: invalid scalar style');
- }
- }());
-}
-
-// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.
-function blockHeader(string, indentPerLevel) {
- var indentIndicator = (string[0] === ' ') ? String(indentPerLevel) : '';
-
- // note the special case: the string '\n' counts as a "trailing" empty line.
- var clip = string[string.length - 1] === '\n';
- var keep = clip && (string[string.length - 2] === '\n' || string === '\n');
- var chomp = keep ? '+' : (clip ? '' : '-');
-
- return indentIndicator + chomp + '\n';
-}
-
-// (See the note for writeScalar.)
-function dropEndingNewline(string) {
- return string[string.length - 1] === '\n' ? string.slice(0, -1) : string;
-}
-
-// Note: a long line without a suitable break point will exceed the width limit.
-// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.
-function foldString(string, width) {
- // In folded style, $k$ consecutive newlines output as $k+1$ newlines—
- // unless they're before or after a more-indented line, or at the very
- // beginning or end, in which case $k$ maps to $k$.
- // Therefore, parse each chunk as newline(s) followed by a content line.
- var lineRe = /(\n+)([^\n]*)/g;
-
- // first line (possibly an empty line)
- var result = (function () {
- var nextLF = string.indexOf('\n');
- nextLF = nextLF !== -1 ? nextLF : string.length;
- lineRe.lastIndex = nextLF;
- return foldLine(string.slice(0, nextLF), width);
- }());
- // If we haven't reached the first content line yet, don't add an extra \n.
- var prevMoreIndented = string[0] === '\n' || string[0] === ' ';
- var moreIndented;
-
- // rest of the lines
- var match;
- while ((match = lineRe.exec(string))) {
- var prefix = match[1], line = match[2];
- moreIndented = (line[0] === ' ');
- result += prefix
- + (!prevMoreIndented && !moreIndented && line !== ''
- ? '\n' : '')
- + foldLine(line, width);
- prevMoreIndented = moreIndented;
- }
-
- return result;
-}
-
-// Greedy line breaking.
-// Picks the longest line under the limit each time,
-// otherwise settles for the shortest line over the limit.
-// NB. More-indented lines *cannot* be folded, as that would add an extra \n.
-function foldLine(line, width) {
- if (line === '' || line[0] === ' ') return line;
-
- // Since a more-indented line adds a \n, breaks can't be followed by a space.
- var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.
- var match;
- // start is an inclusive index. end, curr, and next are exclusive.
- var start = 0, end, curr = 0, next = 0;
- var result = '';
-
- // Invariants: 0 <= start <= length-1.
- // 0 <= curr <= next <= max(0, length-2). curr - start <= width.
- // Inside the loop:
- // A match implies length >= 2, so curr and next are <= length-2.
- while ((match = breakRe.exec(line))) {
- next = match.index;
- // maintain invariant: curr - start <= width
- if (next - start > width) {
- end = (curr > start) ? curr : next; // derive end <= length-2
- result += '\n' + line.slice(start, end);
- // skip the space that was output as \n
- start = end + 1; // derive start <= length-1
- }
- curr = next;
- }
-
- // By the invariants, start <= length-1, so there is something left over.
- // It is either the whole string or a part starting from non-whitespace.
- result += '\n';
- // Insert a break if the remainder is too long and there is a break available.
- if (line.length - start > width && curr > start) {
- result += line.slice(start, curr) + '\n' + line.slice(curr + 1);
- } else {
- result += line.slice(start);
- }
-
- return result.slice(1); // drop extra \n joiner
-}
-
-// Escapes a double-quoted string.
-function escapeString(string) {
- var result = '';
- var char;
- var escapeSeq;
-
- for (var i = 0; i < string.length; i++) {
- char = string.charCodeAt(i);
- escapeSeq = ESCAPE_SEQUENCES[char];
- result += !escapeSeq && isPrintable(char)
- ? string[i]
- : escapeSeq || encodeHex(char);
- }
-
- return result;
-}
-
-function writeFlowSequence(state, level, object) {
- var _result = '',
- _tag = state.tag,
- index,
- length;
-
- for (index = 0, length = object.length; index < length; index += 1) {
- // Write only valid elements.
- if (writeNode(state, level, object[index], false, false)) {
- if (index !== 0) _result += ',' + (!state.condenseFlow ? ' ' : '');
- _result += state.dump;
- }
- }
-
- state.tag = _tag;
- state.dump = '[' + _result + ']';
-}
-
-function writeBlockSequence(state, level, object, compact) {
- var _result = '',
- _tag = state.tag,
- index,
- length;
-
- for (index = 0, length = object.length; index < length; index += 1) {
- // Write only valid elements.
- if (writeNode(state, level + 1, object[index], true, true)) {
- if (!compact || index !== 0) {
- _result += generateNextLine(state, level);
- }
-
- if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
- _result += '-';
- } else {
- _result += '- ';
- }
-
- _result += state.dump;
- }
- }
-
- state.tag = _tag;
- state.dump = _result || '[]'; // Empty sequence if no valid values.
-}
-
-function writeFlowMapping(state, level, object) {
- var _result = '',
- _tag = state.tag,
- objectKeyList = Object.keys(object),
- index,
- length,
- objectKey,
- objectValue,
- pairBuffer;
-
- for (index = 0, length = objectKeyList.length; index < length; index += 1) {
- pairBuffer = '';
-
- if (index !== 0) pairBuffer += ', ';
-
- objectKey = objectKeyList[index];
- objectValue = object[objectKey];
-
- if (!writeNode(state, level, objectKey, false, false)) {
- continue; // Skip this pair because of invalid key;
- }
-
- if (state.dump.length > 1024) pairBuffer += '? ';
-
- pairBuffer += state.dump + ':' + (state.condenseFlow ? '' : ' ');
-
- if (!writeNode(state, level, objectValue, false, false)) {
- continue; // Skip this pair because of invalid value.
- }
-
- pairBuffer += state.dump;
-
- // Both key and value are valid.
- _result += pairBuffer;
- }
-
- state.tag = _tag;
- state.dump = '{' + _result + '}';
-}
-
-function writeBlockMapping(state, level, object, compact) {
- var _result = '',
- _tag = state.tag,
- objectKeyList = Object.keys(object),
- index,
- length,
- objectKey,
- objectValue,
- explicitPair,
- pairBuffer;
-
- // Allow sorting keys so that the output file is deterministic
- if (state.sortKeys === true) {
- // Default sorting
- objectKeyList.sort();
- } else if (typeof state.sortKeys === 'function') {
- // Custom sort function
- objectKeyList.sort(state.sortKeys);
- } else if (state.sortKeys) {
- // Something is wrong
- throw new YAMLException$5('sortKeys must be a boolean or a function');
- }
-
- for (index = 0, length = objectKeyList.length; index < length; index += 1) {
- pairBuffer = '';
-
- if (!compact || index !== 0) {
- pairBuffer += generateNextLine(state, level);
- }
-
- objectKey = objectKeyList[index];
- objectValue = object[objectKey];
-
- if (!writeNode(state, level + 1, objectKey, true, true, true)) {
- continue; // Skip this pair because of invalid key.
- }
-
- explicitPair = (state.tag !== null && state.tag !== '?') ||
- (state.dump && state.dump.length > 1024);
-
- if (explicitPair) {
- if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
- pairBuffer += '?';
- } else {
- pairBuffer += '? ';
- }
- }
-
- pairBuffer += state.dump;
-
- if (explicitPair) {
- pairBuffer += generateNextLine(state, level);
- }
-
- if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {
- continue; // Skip this pair because of invalid value.
- }
-
- if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
- pairBuffer += ':';
- } else {
- pairBuffer += ': ';
- }
-
- pairBuffer += state.dump;
-
- // Both key and value are valid.
- _result += pairBuffer;
- }
-
- state.tag = _tag;
- state.dump = _result || '{}'; // Empty mapping if no valid pairs.
-}
-
-function detectType(state, object, explicit) {
- var _result, typeList, index, length, type, style;
-
- typeList = explicit ? state.explicitTypes : state.implicitTypes;
-
- for (index = 0, length = typeList.length; index < length; index += 1) {
- type = typeList[index];
-
- if ((type.instanceOf || type.predicate) &&
- (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) &&
- (!type.predicate || type.predicate(object))) {
-
- state.tag = explicit ? type.tag : '?';
-
- if (type.represent) {
- style = state.styleMap[type.tag] || type.defaultStyle;
-
- if (_toString$2.call(type.represent) === '[object Function]') {
- _result = type.represent(object, style);
- } else if (_hasOwnProperty$3.call(type.represent, style)) {
- _result = type.represent[style](object, style);
- } else {
- throw new YAMLException$5('!<' + type.tag + '> tag resolver accepts not "' + style + '" style');
- }
-
- state.dump = _result;
- }
-
- return true;
- }
- }
-
- return false;
-}
-
-// Serializes `object` and writes it to global `result`.
-// Returns true on success, or false on invalid object.
-//
-function writeNode(state, level, object, block, compact, iskey) {
- state.tag = null;
- state.dump = object;
-
- if (!detectType(state, object, false)) {
- detectType(state, object, true);
- }
-
- var type = _toString$2.call(state.dump);
-
- if (block) {
- block = (state.flowLevel < 0 || state.flowLevel > level);
- }
-
- var objectOrArray = type === '[object Object]' || type === '[object Array]',
- duplicateIndex,
- duplicate;
-
- if (objectOrArray) {
- duplicateIndex = state.duplicates.indexOf(object);
- duplicate = duplicateIndex !== -1;
- }
-
- if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) {
- compact = false;
- }
-
- if (duplicate && state.usedDuplicates[duplicateIndex]) {
- state.dump = '*ref_' + duplicateIndex;
- } else {
- if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {
- state.usedDuplicates[duplicateIndex] = true;
- }
- if (type === '[object Object]') {
- if (block && (Object.keys(state.dump).length !== 0)) {
- writeBlockMapping(state, level, state.dump, compact);
- if (duplicate) {
- state.dump = '&ref_' + duplicateIndex + state.dump;
- }
- } else {
- writeFlowMapping(state, level, state.dump);
- if (duplicate) {
- state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
- }
- }
- } else if (type === '[object Array]') {
- if (block && (state.dump.length !== 0)) {
- writeBlockSequence(state, level, state.dump, compact);
- if (duplicate) {
- state.dump = '&ref_' + duplicateIndex + state.dump;
- }
- } else {
- writeFlowSequence(state, level, state.dump);
- if (duplicate) {
- state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
- }
- }
- } else if (type === '[object String]') {
- if (state.tag !== '?') {
- writeScalar(state, state.dump, level, iskey);
- }
- } else {
- if (state.skipInvalid) return false;
- throw new YAMLException$5('unacceptable kind of an object to dump ' + type);
- }
-
- if (state.tag !== null && state.tag !== '?') {
- state.dump = '!<' + state.tag + '> ' + state.dump;
- }
- }
-
- return true;
-}
-
-function getDuplicateReferences(object, state) {
- var objects = [],
- duplicatesIndexes = [],
- index,
- length;
-
- inspectNode(object, objects, duplicatesIndexes);
-
- for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {
- state.duplicates.push(objects[duplicatesIndexes[index]]);
- }
- state.usedDuplicates = new Array(length);
-}
-
-function inspectNode(object, objects, duplicatesIndexes) {
- var objectKeyList,
- index,
- length;
-
- if (object !== null && typeof object === 'object') {
- index = objects.indexOf(object);
- if (index !== -1) {
- if (duplicatesIndexes.indexOf(index) === -1) {
- duplicatesIndexes.push(index);
- }
- } else {
- objects.push(object);
-
- if (Array.isArray(object)) {
- for (index = 0, length = object.length; index < length; index += 1) {
- inspectNode(object[index], objects, duplicatesIndexes);
- }
- } else {
- objectKeyList = Object.keys(object);
-
- for (index = 0, length = objectKeyList.length; index < length; index += 1) {
- inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);
- }
- }
- }
- }
-}
-
-function dump$1(input, options) {
- options = options || {};
-
- var state = new State$1(options);
-
- if (!state.noRefs) getDuplicateReferences(input, state);
-
- if (writeNode(state, 0, input, true, true)) return state.dump + '\n';
-
- return '';
-}
-
-function safeDump$1(input, options) {
- return dump$1(input, common$7.extend({ schema: DEFAULT_SAFE_SCHEMA$2 }, options));
-}
-
-var dump_1 = dump$1;
-var safeDump_1 = safeDump$1;
-
-var dumper$1 = {
- dump: dump_1,
- safeDump: safeDump_1
-};
-
-var loader = loader$1;
-var dumper = dumper$1;
-
-
-function deprecated(name) {
- return function () {
- throw new Error('Function ' + name + ' is deprecated and cannot be used.');
- };
-}
-
-
-var Type = type;
-var Schema = schema;
-var FAILSAFE_SCHEMA = failsafe;
-var JSON_SCHEMA = json;
-var CORE_SCHEMA = core;
-var DEFAULT_SAFE_SCHEMA = default_safe;
-var DEFAULT_FULL_SCHEMA = default_full;
-var load = loader.load;
-var loadAll = loader.loadAll;
-var safeLoad = loader.safeLoad;
-var safeLoadAll = loader.safeLoadAll;
-var dump = dumper.dump;
-var safeDump = dumper.safeDump;
-var YAMLException = exception;
-
-// Deprecated schema names from JS-YAML 2.0.x
-var MINIMAL_SCHEMA = failsafe;
-var SAFE_SCHEMA = default_safe;
-var DEFAULT_SCHEMA = default_full;
-
-// Deprecated functions from JS-YAML 1.x.x
-var scan = deprecated('scan');
-var parse = deprecated('parse');
-var compose = deprecated('compose');
-var addConstructor = deprecated('addConstructor');
-
-var jsYaml = {
- Type: Type,
- Schema: Schema,
- FAILSAFE_SCHEMA: FAILSAFE_SCHEMA,
- JSON_SCHEMA: JSON_SCHEMA,
- CORE_SCHEMA: CORE_SCHEMA,
- DEFAULT_SAFE_SCHEMA: DEFAULT_SAFE_SCHEMA,
- DEFAULT_FULL_SCHEMA: DEFAULT_FULL_SCHEMA,
- load: load,
- loadAll: loadAll,
- safeLoad: safeLoad,
- safeLoadAll: safeLoadAll,
- dump: dump,
- safeDump: safeDump,
- YAMLException: YAMLException,
- MINIMAL_SCHEMA: MINIMAL_SCHEMA,
- SAFE_SCHEMA: SAFE_SCHEMA,
- DEFAULT_SCHEMA: DEFAULT_SCHEMA,
- scan: scan,
- parse: parse,
- compose: compose,
- addConstructor: addConstructor
-};
-
-var yaml = jsYaml;
-
-
-var index = yaml;
-
-function parseFrontmatter(element) {
- const scriptTag = element.querySelector('script');
- if (scriptTag) {
- const yml = scriptTag.textContent;
- const data = index.safeLoad(yml);
- return data;
- } else {
- console.error('You added a frontmatter tag but did not provide a script tag with front matter data in it. Please take a look at our templates.');
- return {};
- }
-}
-
-class FrontMatter$1 extends HTMLElement {
-
- static get is() { return 'd-front-matter'; }
-
- constructor() {
- super();
-
- const options = {childList: true, characterData: true, subtree: true};
- const observer = new MutationObserver( () => {
- const data = parseFrontmatter(this);
- this.notify(data);
- });
- observer.observe(this, options);
- }
-
- notify(data) {
- const options = { detail: data, bubbles: true };
- const event = new CustomEvent('onFrontMatterChanged', options);
- document.dispatchEvent(event);
- }
-
-}
-
-const frontMatter = new FrontMatter();
-
-const Controller = {
-
- frontMatter: frontMatter,
- waitingOn: {
- bibliography: [],
- citations: [],
- },
- listeners: {
-
- onCiteKeyCreated(event) {
- const [citeTag, keys] = event.detail;
-
- // ensure we have citations
- if (frontMatter.citations.length === 0) {
- // console.debug('onCiteKeyCreated, but unresolved dependency ("citations"). Enqueing.');
- Controller.waitingOn.citations.push(() => Controller.listeners.onCiteKeyCreated(event));
- return;
- }
-
- // ensure we have a loaded bibliography
- if (frontMatter.bibliography.size === 0) {
- // console.debug('onCiteKeyCreated, but unresolved dependency ("bibliography"). Enqueing.');
- Controller.waitingOn.bibliography.push(() => Controller.listeners.onCiteKeyCreated(event));
- return;
- }
-
- const numbers = keys.map( key => frontMatter.citations.indexOf(key) );
- citeTag.numbers = numbers;
- const entries = keys.map( key => frontMatter.bibliography.get(key) );
- citeTag.entries = entries;
- },
-
- onCiteKeyChanged(event) {
- const [citeTag, keys] = event.detail;
-
- // update citations
- frontMatter.citations = collectCitations();
- for (const waitingCallback of Controller.waitingOn.citations) {
- waitingCallback();
- }
-
- // update bibliography
- const bibliographyTag = document.querySelector('d-bibliography');
- const bibliographyEntries = new Map(frontMatter.citations.map( citationKey => {
- return [citationKey, frontMatter.bibliography.get(citationKey)];
- }));
- bibliographyTag.entries = bibliographyEntries;
-
- const citeTags = document.querySelectorAll('d-cite');
- for (const citeTag of citeTags) {
- const keys = citeTag.keys;
- const numbers = keys.map( key => frontMatter.citations.indexOf(key) );
- citeTag.numbers = numbers;
- const entries = keys.map( key => frontMatter.bibliography.get(key) );
- citeTag.entries = entries;
- }
-
- const numbers = keys.map( key => frontMatter.citations.indexOf(key) );
- citeTag.numbers = numbers;
- const entries = keys.map( key => frontMatter.bibliography.get(key) );
- citeTag.entries = entries;
- },
-
- onBibliographyChanged(event) {
- const bibliographyTag = event.target;
- const bibliography = event.detail;
-
- frontMatter.bibliography = bibliography;
- for (const waitingCallback of Controller.waitingOn.bibliography) {
- waitingCallback();
- }
-
- // ensure we have citations
- if (frontMatter.citations.length === 0) {
- Controller.waitingOn.citations.push( function() {
- Controller.listeners.onBibliographyChanged({target: event.target, detail: event.detail});
- });
- return;
- }
-
- const entries = new Map(frontMatter.citations.map( citationKey => {
- return [citationKey, frontMatter.bibliography.get(citationKey)];
- }));
- bibliographyTag.entries = entries;
- },
-
- onFootnoteChanged() {
- // const footnote = event.detail;
- //TODO: optimize to only update current footnote
- const footnotesList = document.querySelector('d-footnote-list');
- if (footnotesList) {
- const footnotes = document.querySelectorAll('d-footnote');
- footnotesList.footnotes = footnotes;
- }
- },
-
- onFrontMatterChanged(event) {
- const data = event.detail;
- frontMatter.mergeFromYMLFrontmatter(data);
-
- const appendix = document.querySelector('distill-appendix');
- if (appendix) {
- appendix.frontMatter = frontMatter;
- }
-
- const byline = document.querySelector('d-byline');
- byline.frontMatter = frontMatter;
- },
-
- DOMContentLoaded() {
- // console.debug('DOMContentLoaded.');
-
- const frontMatterTag = document.querySelector('d-front-matter');
- const data = parseFrontmatter(frontMatterTag);
- Controller.listeners.onFrontMatterChanged({detail: data});
-
- // console.debug('Resolving "citations" dependency due to initial DOM load.');
- frontMatter.citations = collectCitations();
- for (const waitingCallback of Controller.waitingOn.citations) {
- waitingCallback();
- }
-
- const footnotesList = document.querySelector('d-footnote-list');
- if (footnotesList) {
- const footnotes = document.querySelectorAll('d-footnote');
- footnotesList.footnotes = footnotes;
- }
- }
-
- }, // listeners
-
-}; // Controller
-
-const T$3 = Template('d-article', `
-
-`, false);
-
-// export function addInferableTags(dom, frontMatter) {
-// const title = frontMatter.title;
-// if (title) {
-// const titleTag = document.querySelector()
-//
-// }
-// }
-
-class Article extends T$3(HTMLElement) {
-
- constructor() {
- super();
-
- new MutationObserver( (mutations) => {
- for (const mutation of mutations) {
- for (const addedNode of mutation.addedNodes) {
- if (addedNode.nodeName === 'HR') {
- console.warn('Use of
tags in distill articles is discouraged!');
- }
- }
- }
- }).observe(this, {childList: true});
- }
-
- connectedCallback() {
- for (const [functionName, callback] of Object.entries(Controller.listeners)) {
- if (typeof callback === 'function') {
- document.addEventListener(functionName, callback);
- } else {
- console.error('Controller listeners need to be functions!');
- }
- }
- }
-
-}
-
-var bibtexParse = createCommonjsModule(function (module, exports) {
-/* start bibtexParse 0.0.22 */
-
-//Original work by Henrik Muehe (c) 2010
-//
-//CommonJS port by Mikola Lysenko 2013
-//
-//Port to Browser lib by ORCID / RCPETERS
-//
-//Issues:
-//no comment handling within strings
-//no string concatenation
-//no variable values yet
-//Grammar implemented here:
-//bibtex -> (string | preamble | comment | entry)*;
-//string -> '@STRING' '{' key_equals_value '}';
-//preamble -> '@PREAMBLE' '{' value '}';
-//comment -> '@COMMENT' '{' value '}';
-//entry -> '@' key '{' key ',' key_value_list '}';
-//key_value_list -> key_equals_value (',' key_equals_value)*;
-//key_equals_value -> key '=' value;
-//value -> value_quotes | value_braces | key;
-//value_quotes -> '"' .*? '"'; // not quite
-//value_braces -> '{' .*? '"'; // not quite
-(function(exports) {
-
- function BibtexParser() {
-
- this.months = ["jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec"];
- this.notKey = [',','{','}',' ','='];
- this.pos = 0;
- this.input = "";
- this.entries = new Array();
-
- this.currentEntry = "";
-
- this.setInput = function(t) {
- this.input = t;
- };
-
- this.getEntries = function() {
- return this.entries;
- };
-
- this.isWhitespace = function(s) {
- return (s == ' ' || s == '\r' || s == '\t' || s == '\n');
- };
-
- this.match = function(s, canCommentOut) {
- if (canCommentOut == undefined || canCommentOut == null)
- canCommentOut = true;
- this.skipWhitespace(canCommentOut);
- if (this.input.substring(this.pos, this.pos + s.length) == s) {
- this.pos += s.length;
- } else {
- throw "Token mismatch, expected " + s + ", found "
- + this.input.substring(this.pos);
- }
- this.skipWhitespace(canCommentOut);
- };
-
- this.tryMatch = function(s, canCommentOut) {
- if (canCommentOut == undefined || canCommentOut == null)
- canCommentOut = true;
- this.skipWhitespace(canCommentOut);
- if (this.input.substring(this.pos, this.pos + s.length) == s) {
- return true;
- } else {
- return false;
- }
- this.skipWhitespace(canCommentOut);
- };
-
- /* when search for a match all text can be ignored, not just white space */
- this.matchAt = function() {
- while (this.input.length > this.pos && this.input[this.pos] != '@') {
- this.pos++;
- }
-
- if (this.input[this.pos] == '@') {
- return true;
- }
- return false;
- };
-
- this.skipWhitespace = function(canCommentOut) {
- while (this.isWhitespace(this.input[this.pos])) {
- this.pos++;
- }
- if (this.input[this.pos] == "%" && canCommentOut == true) {
- while (this.input[this.pos] != "\n") {
- this.pos++;
- }
- this.skipWhitespace(canCommentOut);
- }
- };
-
- this.value_braces = function() {
- var bracecount = 0;
- this.match("{", false);
- var start = this.pos;
- var escaped = false;
- while (true) {
- if (!escaped) {
- if (this.input[this.pos] == '}') {
- if (bracecount > 0) {
- bracecount--;
- } else {
- var end = this.pos;
- this.match("}", false);
- return this.input.substring(start, end);
- }
- } else if (this.input[this.pos] == '{') {
- bracecount++;
- } else if (this.pos >= this.input.length - 1) {
- throw "Unterminated value";
- }
- }
- if (this.input[this.pos] == '\\' && escaped == false)
- escaped = true;
- else
- escaped = false;
- this.pos++;
- }
- };
-
- this.value_comment = function() {
- var str = '';
- var brcktCnt = 0;
- while (!(this.tryMatch("}", false) && brcktCnt == 0)) {
- str = str + this.input[this.pos];
- if (this.input[this.pos] == '{')
- brcktCnt++;
- if (this.input[this.pos] == '}')
- brcktCnt--;
- if (this.pos >= this.input.length - 1) {
- throw "Unterminated value:" + this.input.substring(start);
- }
- this.pos++;
- }
- return str;
- };
-
- this.value_quotes = function() {
- this.match('"', false);
- var start = this.pos;
- var escaped = false;
- while (true) {
- if (!escaped) {
- if (this.input[this.pos] == '"') {
- var end = this.pos;
- this.match('"', false);
- return this.input.substring(start, end);
- } else if (this.pos >= this.input.length - 1) {
- throw "Unterminated value:" + this.input.substring(start);
- }
- }
- if (this.input[this.pos] == '\\' && escaped == false)
- escaped = true;
- else
- escaped = false;
- this.pos++;
- }
- };
-
- this.single_value = function() {
- var start = this.pos;
- if (this.tryMatch("{")) {
- return this.value_braces();
- } else if (this.tryMatch('"')) {
- return this.value_quotes();
- } else {
- var k = this.key();
- if (k.match("^[0-9]+$"))
- return k;
- else if (this.months.indexOf(k.toLowerCase()) >= 0)
- return k.toLowerCase();
- else
- throw "Value expected:" + this.input.substring(start) + ' for key: ' + k;
-
- }
- };
-
- this.value = function() {
- var values = [];
- values.push(this.single_value());
- while (this.tryMatch("#")) {
- this.match("#");
- values.push(this.single_value());
- }
- return values.join("");
- };
-
- this.key = function() {
- var start = this.pos;
- while (true) {
- if (this.pos >= this.input.length) {
- throw "Runaway key";
- }
- // а-яА-Я is Cyrillic
- //console.log(this.input[this.pos]);
- if (this.notKey.indexOf(this.input[this.pos]) >= 0) {
- return this.input.substring(start, this.pos);
- } else {
- this.pos++;
-
- }
- }
- };
-
- this.key_equals_value = function() {
- var key = this.key();
- if (this.tryMatch("=")) {
- this.match("=");
- var val = this.value();
- return [ key, val ];
- } else {
- throw "... = value expected, equals sign missing:"
- + this.input.substring(this.pos);
- }
- };
-
- this.key_value_list = function() {
- var kv = this.key_equals_value();
- this.currentEntry['entryTags'] = {};
- this.currentEntry['entryTags'][kv[0]] = kv[1];
- while (this.tryMatch(",")) {
- this.match(",");
- // fixes problems with commas at the end of a list
- if (this.tryMatch("}")) {
- break;
- }
-
- kv = this.key_equals_value();
- this.currentEntry['entryTags'][kv[0]] = kv[1];
- }
- };
-
- this.entry_body = function(d) {
- this.currentEntry = {};
- this.currentEntry['citationKey'] = this.key();
- this.currentEntry['entryType'] = d.substring(1);
- this.match(",");
- this.key_value_list();
- this.entries.push(this.currentEntry);
- };
-
- this.directive = function() {
- this.match("@");
- return "@" + this.key();
- };
-
- this.preamble = function() {
- this.currentEntry = {};
- this.currentEntry['entryType'] = 'PREAMBLE';
- this.currentEntry['entry'] = this.value_comment();
- this.entries.push(this.currentEntry);
- };
-
- this.comment = function() {
- this.currentEntry = {};
- this.currentEntry['entryType'] = 'COMMENT';
- this.currentEntry['entry'] = this.value_comment();
- this.entries.push(this.currentEntry);
- };
-
- this.entry = function(d) {
- this.entry_body(d);
- };
-
- this.bibtex = function() {
- while (this.matchAt()) {
- var d = this.directive();
- this.match("{");
- if (d == "@STRING") {
- this.string();
- } else if (d == "@PREAMBLE") {
- this.preamble();
- } else if (d == "@COMMENT") {
- this.comment();
- } else {
- this.entry(d);
- }
- this.match("}");
- }
- };
- }
-
- exports.toJSON = function(bibtex) {
- var b = new BibtexParser();
- b.setInput(bibtex);
- b.bibtex();
- return b.entries;
- };
-
- /* added during hackathon don't hate on me */
- exports.toBibtex = function(json) {
- var out = '';
- for ( var i in json) {
- out += "@" + json[i].entryType;
- out += '{';
- if (json[i].citationKey)
- out += json[i].citationKey + ', ';
- if (json[i].entry)
- out += json[i].entry ;
- if (json[i].entryTags) {
- var tags = '';
- for (var jdx in json[i].entryTags) {
- if (tags.length != 0)
- tags += ', ';
- tags += jdx + '= {' + json[i].entryTags[jdx] + '}';
- }
- out += tags;
- }
- out += '}\n\n';
- }
- return out;
-
- };
-
-})(exports);
-
-/* end bibtexParse */
-});
-
-function normalizeTag(string) {
- return string
- .replace(/[\t\n ]+/g, ' ')
- .replace(/{\\["^`.'acu~Hvs]( )?([a-zA-Z])}/g, (full, x, char) => char)
- .replace(/{\\([a-zA-Z])}/g, (full, char) => char);
-}
-
-function parseBibtex(bibtex) {
- const bibliography = new Map();
- const parsedEntries = bibtexParse.toJSON(bibtex);
- for (const entry of parsedEntries) {
- // normalize tags; note entryTags is an object, not Map
- for (const [key, value] of Object.entries(entry.entryTags)) {
- entry.entryTags[key] = normalizeTag(value);
- }
- entry.entryTags.type = entry.entryType;
- // add to bibliography
- bibliography.set(entry.citationKey, entry.entryTags);
- }
- return bibliography;
-}
-
-function serializeFrontmatterToBibtex(frontMatter) {
- return `@article{${frontMatter.slug},
- author = {${frontMatter.bibtexAuthors}},
- title = {${frontMatter.title}},
- journal = {${frontMatter.journal.title}},
- year = {${frontMatter.publishedYear}},
- note = {${frontMatter.url}}
-}`;
-}
-
-const templateString = `
-
-
-References
-
-`;
-const T$5 = Template('d-bibliography', templateString);
-
-
-
-function renderBibliography(element, entries) {
- if (entries.size) {
- element.host.style.display = 'initial';
- let list = element.querySelector('#references-list');
- list.innerHTML = '';
-
- for (const [key, entry] of entries) {
- const listItem = document.createElement('li');
- listItem.id = key;
- listItem.innerHTML = bibliography_cite(entry);
- list.appendChild(listItem);
- }
- } else {
- element.host.style.display = 'none';
- }
-}
-
-class Bibliography extends T$5(HTMLElement) {
-
- constructor() {
- super();
-
- // set up mutation observer
- const options = {childList: true, characterData: true, subtree: true};
- const observer = new MutationObserver( () => {
- observer.disconnect();
- this.parseIfPossible();
- observer.observe(this, options);
- });
- this.parseIfPossible();
- // ...and listen for changes
- observer.observe(this, options);
- }
-
- parseIfPossible() {
- if (this.firstElementChild && this.firstElementChild.tagName === 'SCRIPT') {
- const newBibtex = this.firstElementChild.textContent;
- if (this.bibtex !== newBibtex) {
- this.bibtex = newBibtex;
- const bibliography = parseBibtex(this.bibtex);
- this.notify(bibliography);
- }
- }
- }
-
- notify(bibliography) {
- const options = { detail: bibliography, bubbles: true };
- const event = new CustomEvent('onBibliographyChanged', options);
- this.dispatchEvent(event);
- }
-
- set entries(newEntries) {
- renderBibliography(this.root, newEntries);
- }
-
-}
-
-const T$6 = Template('d-byline', `
-
-
-
-
-`, true);
-
-function bylineTemplate(frontMatter) {
- return `
-
- ${frontMatter.authors.map( author => `
`).join('\n')}
-
-
-
${frontMatter.publishedMonth}. ${frontMatter.publishedDay}
-
${frontMatter.publishedYear}
-
-
- Citation:
- ${frontMatter.concatenatedAuthors}, ${frontMatter.publishedYear}
-
- `;
-}
-
-class Byline extends T$6(HTMLElement) {
-
- set frontMatter(frontMatter) {
- const container = this.root.querySelector('.byline');
- container.innerHTML = bylineTemplate(frontMatter);
- }
-
-}
-
-var prism = createCommonjsModule(function (module) {
-/* **********************************************
- Begin prism-core.js
-********************************************** */
-
-var _self = (typeof window !== 'undefined')
- ? window // if in browser
- : (
- (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
- ? self // if in worker
- : {} // if in node js
- );
-
-/**
- * Prism: Lightweight, robust, elegant syntax highlighting
- * MIT license http://www.opensource.org/licenses/mit-license.php/
- * @author Lea Verou http://lea.verou.me
- */
-
-var Prism = (function(){
-
-// Private helper vars
-var lang = /\blang(?:uage)?-(\w+)\b/i;
-var uniqueId = 0;
-
-var _ = _self.Prism = {
- util: {
- encode: function (tokens) {
- if (tokens instanceof Token) {
- return new Token(tokens.type, _.util.encode(tokens.content), tokens.alias);
- } else if (_.util.type(tokens) === 'Array') {
- return tokens.map(_.util.encode);
- } else {
- return tokens.replace(/&/g, '&').replace(/ text.length) {
- // Something went terribly wrong, ABORT, ABORT!
- break tokenloop;
- }
-
- if (str instanceof Token) {
- continue;
- }
-
- pattern.lastIndex = 0;
-
- var match = pattern.exec(str),
- delNum = 1;
-
- // Greedy patterns can override/remove up to two previously matched tokens
- if (!match && greedy && i != strarr.length - 1) {
- pattern.lastIndex = pos;
- match = pattern.exec(text);
- if (!match) {
- break;
- }
-
- var from = match.index + (lookbehind ? match[1].length : 0),
- to = match.index + match[0].length,
- k = i,
- p = pos;
-
- for (var len = strarr.length; k < len && p < to; ++k) {
- p += strarr[k].length;
- // Move the index i to the element in strarr that is closest to from
- if (from >= p) {
- ++i;
- pos = p;
- }
- }
-
- /*
- * If strarr[i] is a Token, then the match starts inside another Token, which is invalid
- * If strarr[k - 1] is greedy we are in conflict with another greedy pattern
- */
- if (strarr[i] instanceof Token || strarr[k - 1].greedy) {
- continue;
- }
-
- // Number of tokens to delete and replace with the new match
- delNum = k - i;
- str = text.slice(pos, p);
- match.index -= pos;
- }
-
- if (!match) {
- continue;
- }
-
- if(lookbehind) {
- lookbehindLength = match[1].length;
- }
-
- var from = match.index + lookbehindLength,
- match = match[0].slice(lookbehindLength),
- to = from + match.length,
- before = str.slice(0, from),
- after = str.slice(to);
-
- var args = [i, delNum];
-
- if (before) {
- args.push(before);
- }
-
- var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);
-
- args.push(wrapped);
-
- if (after) {
- args.push(after);
- }
-
- Array.prototype.splice.apply(strarr, args);
- }
- }
- }
-
- return strarr;
- },
-
- hooks: {
- all: {},
-
- add: function (name, callback) {
- var hooks = _.hooks.all;
-
- hooks[name] = hooks[name] || [];
-
- hooks[name].push(callback);
- },
-
- run: function (name, env) {
- var callbacks = _.hooks.all[name];
-
- if (!callbacks || !callbacks.length) {
- return;
- }
-
- for (var i=0, callback; callback = callbacks[i++];) {
- callback(env);
- }
- }
- }
-};
-
-var Token = _.Token = function(type, content, alias, matchedStr, greedy) {
- this.type = type;
- this.content = content;
- this.alias = alias;
- // Copy of the full string this token was created from
- this.length = (matchedStr || "").length|0;
- this.greedy = !!greedy;
-};
-
-Token.stringify = function(o, language, parent) {
- if (typeof o == 'string') {
- return o;
- }
-
- if (_.util.type(o) === 'Array') {
- return o.map(function(element) {
- return Token.stringify(element, language, o);
- }).join('');
- }
-
- var env = {
- type: o.type,
- content: Token.stringify(o.content, language, parent),
- tag: 'span',
- classes: ['token', o.type],
- attributes: {},
- language: language,
- parent: parent
- };
-
- if (env.type == 'comment') {
- env.attributes['spellcheck'] = 'true';
- }
-
- if (o.alias) {
- var aliases = _.util.type(o.alias) === 'Array' ? o.alias : [o.alias];
- Array.prototype.push.apply(env.classes, aliases);
- }
-
- _.hooks.run('wrap', env);
-
- var attributes = Object.keys(env.attributes).map(function(name) {
- return name + '="' + (env.attributes[name] || '').replace(/"/g, '"') + '"';
- }).join(' ');
-
- return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + (attributes ? ' ' + attributes : '') + '>' + env.content + '' + env.tag + '>';
-
-};
-
-if (!_self.document) {
- if (!_self.addEventListener) {
- // in Node.js
- return _self.Prism;
- }
- // In worker
- _self.addEventListener('message', function(evt) {
- var message = JSON.parse(evt.data),
- lang = message.language,
- code = message.code,
- immediateClose = message.immediateClose;
-
- _self.postMessage(_.highlight(code, _.languages[lang], lang));
- if (immediateClose) {
- _self.close();
- }
- }, false);
-
- return _self.Prism;
-}
-
-//Get current script and highlight
-var script = document.currentScript || [].slice.call(document.getElementsByTagName("script")).pop();
-
-if (script) {
- _.filename = script.src;
-
- if (document.addEventListener && !script.hasAttribute('data-manual')) {
- if(document.readyState !== "loading") {
- if (window.requestAnimationFrame) {
- window.requestAnimationFrame(_.highlightAll);
- } else {
- window.setTimeout(_.highlightAll, 16);
- }
- }
- else {
- document.addEventListener('DOMContentLoaded', _.highlightAll);
- }
- }
-}
-
-return _self.Prism;
-
-})();
-
-if ('object' !== 'undefined' && module.exports) {
- module.exports = Prism;
-}
-
-// hack for components to work correctly in node.js
-if (typeof commonjsGlobal !== 'undefined') {
- commonjsGlobal.Prism = Prism;
-}
-
-
-/* **********************************************
- Begin prism-markup.js
-********************************************** */
-
-Prism.languages.markup = {
- 'comment': //,
- 'prolog': /<\?[\w\W]+?\?>/,
- 'doctype': //i,
- 'cdata': //i,
- 'tag': {
- pattern: /<\/?(?!\d)[^\s>\/=$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
- inside: {
- 'tag': {
- pattern: /^<\/?[^\s>\/]+/i,
- inside: {
- 'punctuation': /^<\/?/,
- 'namespace': /^[^\s>\/:]+:/
- }
- },
- 'attr-value': {
- pattern: /=(?:('|")[\w\W]*?(\1)|[^\s>]+)/i,
- inside: {
- 'punctuation': /[=>"']/
- }
- },
- 'punctuation': /\/?>/,
- 'attr-name': {
- pattern: /[^\s>\/]+/,
- inside: {
- 'namespace': /^[^\s>\/:]+:/
- }
- }
-
- }
- },
- 'entity': /?[\da-z]{1,8};/i
-};
-
-// Plugin to make entity title show the real entity, idea by Roman Komarov
-Prism.hooks.add('wrap', function(env) {
-
- if (env.type === 'entity') {
- env.attributes['title'] = env.content.replace(/&/, '&');
- }
-});
-
-Prism.languages.xml = Prism.languages.markup;
-Prism.languages.html = Prism.languages.markup;
-Prism.languages.mathml = Prism.languages.markup;
-Prism.languages.svg = Prism.languages.markup;
-
-
-/* **********************************************
- Begin prism-css.js
-********************************************** */
-
-Prism.languages.css = {
- 'comment': /\/\*[\w\W]*?\*\//,
- 'atrule': {
- pattern: /@[\w-]+?.*?(;|(?=\s*\{))/i,
- inside: {
- 'rule': /@[\w-]+/
- // See rest below
- }
- },
- 'url': /url\((?:(["'])(\\(?:\r\n|[\w\W])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,
- 'selector': /[^\{\}\s][^\{\};]*?(?=\s*\{)/,
- 'string': {
- pattern: /("|')(\\(?:\r\n|[\w\W])|(?!\1)[^\\\r\n])*\1/,
- greedy: true
- },
- 'property': /(\b|\B)[\w-]+(?=\s*:)/i,
- 'important': /\B!important\b/i,
- 'function': /[-a-z0-9]+(?=\()/i,
- 'punctuation': /[(){};:]/
-};
-
-Prism.languages.css['atrule'].inside.rest = Prism.util.clone(Prism.languages.css);
-
-if (Prism.languages.markup) {
- Prism.languages.insertBefore('markup', 'tag', {
- 'style': {
- pattern: /(
-
-
-
-`);
-
-class Code extends Mutating(T$7(HTMLElement)) {
-
- renderContent() {
-
- // check if language can be highlighted
- this.languageName = this.getAttribute('language');
- if (!this.languageName) {
- console.warn('You need to provide a language attribute to your block to let us know how to highlight your code; e.g.:\n zeros = np.zeros(shape).');
- return;
- }
- const language = prism.languages[this.languageName];
- if (language == undefined) {
- console.warn(`Distill does not yet support highlighting your code block in "${this.languageName}".`);
- return;
- }
-
- let content = this.textContent;
- const codeTag = this.shadowRoot.querySelector('#code-container');
-
- if (this.hasAttribute('block')) {
- // normalize the tab indents
- content = content.replace(/\n/, '');
- const tabs = content.match(/\s*/);
- content = content.replace(new RegExp('\n' + tabs, 'g'), '\n');
- content = content.trim();
- // wrap code block in pre tag if needed
- if (codeTag.parentNode instanceof ShadowRoot) {
- const preTag = document.createElement('pre');
- this.shadowRoot.removeChild(codeTag);
- preTag.appendChild(codeTag);
- this.shadowRoot.appendChild(preTag);
- }
-
- }
-
- codeTag.className = `language-${this.languageName}`;
- codeTag.innerHTML = prism.highlight(content, language);
- }
-
-}
-
-const T$8 = Template('d-footnote', `
-
-
-
-
-
-
-
-
-`);
-
-class Footnote extends T$8(HTMLElement) {
-
- constructor() {
- super();
-
- const options = {childList: true, characterData: true, subtree: true};
- const observer = new MutationObserver(this.notify);
- observer.observe(this, options);
- }
-
- notify() {
- const options = { detail: this, bubbles: true };
- const event = new CustomEvent('onFootnoteChanged', options);
- document.dispatchEvent(event);
- }
-
- connectedCallback() {
- // listen and notify about changes to slotted content
- // const slot = this.shadowRoot.querySelector('#slot');
- // slot.addEventListener('slotchange', this.notify);
-
- // create numeric ID
- Footnote.currentFootnoteId += 1;
- const IdString = Footnote.currentFootnoteId.toString();
- this.root.host.id = 'd-footnote-' + IdString;
-
- // set up hidden hover box
- const div = this.root.querySelector('.dt-hover-box');
- div.id = 'dt-fn-hover-box-' + IdString;
-
- // set up visible footnote marker
- const span = this.root.querySelector('#fn-');
- span.setAttribute('id', 'fn-' + IdString);
- span.setAttribute('data-hover-ref', div.id);
- span.textContent = IdString;
-
- this.hoverbox = new HoverBox(div, span);
- }
-
-}
-
-Footnote.currentFootnoteId = 0;
-
-const T$9 = Template('d-footnote-list', `
-
-
-Footnotes
-
-`);
-
-class FootnoteList extends T$9(HTMLElement) {
-
- connectedCallback() {
- this.list = this.root.querySelector('ol');
- // footnotes list is initially hidden
- this.root.host.style.display = 'none';
- // look through document and register existing footnotes
- // Store.subscribeTo('footnotes', (footnote) => {
- // this.renderFootnote(footnote);
- // });
- }
-
- // TODO: could optimize this to accept individual footnotes?
- set footnotes(footnotes) {
- this.list.innerHTML = '';
- if (footnotes.length) {
- // ensure footnote list is visible
- this.root.host.style.display = 'initial';
-
- for (const footnote of footnotes) {
- // construct and append list item to show footnote
- const listItem = document.createElement('li');
- listItem.id = footnote.id + '-listing';
- listItem.innerHTML = footnote.innerHTML;
-
- const backlink = document.createElement('a');
- backlink.setAttribute('class', 'footnote-backlink');
- backlink.textContent = '[↩]';
- backlink.href = '#' + footnote.id;
-
- listItem.appendChild(backlink);
- this.list.appendChild(listItem);
- }
- } else {
- // ensure footnote list is invisible
- this.shadowRoot.host.style.display = 'none';
- }
- }
-
-}
-
-/**
- * This is the ParseError class, which is the main error thrown by KaTeX
- * functions when something has gone wrong. This is used to distinguish internal
- * errors from errors in the expression that the user provided.
- *
- * If possible, a caller should provide a Token or ParseNode with information
- * about where in the source string the problem occurred.
- *
- * @param {string} message The error message
- * @param {(Token|ParseNode)=} token An object providing position information
- */
-function ParseError$1(message, token) {
- var error = "KaTeX parse error: " + message;
- var start;
- var end;
-
- if (token && token.lexer && token.start <= token.end) {
- // If we have the input and a position, make the error a bit fancier
-
- // Get the input
- var input = token.lexer.input;
-
- // Prepend some information
- start = token.start;
- end = token.end;
- if (start === input.length) {
- error += " at end of input: ";
- } else {
- error += " at position " + (start + 1) + ": ";
- }
-
- // Underline token in question using combining underscores
- var underlined = input.slice(start, end).replace(/[^]/g, "$&\u0332");
-
- // Extract some context from the input and add it to the error
- var left;
- if (start > 15) {
- left = "…" + input.slice(start - 15, start);
- } else {
- left = input.slice(0, start);
- }
- var right;
- if (end + 15 < input.length) {
- right = input.slice(end, end + 15) + "…";
- } else {
- right = input.slice(end);
- }
- error += left + underlined + right;
- }
-
- // Some hackery to make ParseError a prototype of Error
- // See http://stackoverflow.com/a/8460753
- var self = new Error(error);
- self.name = "ParseError";
- self.__proto__ = ParseError$1.prototype;
-
- self.position = start;
- return self;
-}
-
-// More hackery
-ParseError$1.prototype.__proto__ = Error.prototype;
-
-var ParseError_1 = ParseError$1;
-
-/**
- * This is a module for storing settings passed into KaTeX. It correctly handles
- * default settings.
- */
-
-/**
- * Helper function for getting a default value if the value is undefined
- */
-function get(option, defaultValue) {
- return option === undefined ? defaultValue : option;
-}
-
-/**
- * The main Settings object
- *
- * The current options stored are:
- * - displayMode: Whether the expression should be typeset by default in
- * textstyle or displaystyle (default false)
- */
-function Settings$1(options) {
- // allow null options
- options = options || {};
- this.displayMode = get(options.displayMode, false);
- this.throwOnError = get(options.throwOnError, true);
- this.errorColor = get(options.errorColor, "#cc0000");
- this.macros = options.macros || {};
-}
-
-var Settings_1 = Settings$1;
-
-var hangulRegex = /[\uAC00-\uD7AF]/;
-
-// This regex combines
-// - Hiragana: [\u3040-\u309F]
-// - Katakana: [\u30A0-\u30FF]
-// - CJK ideograms: [\u4E00-\u9FAF]
-// - Hangul syllables: [\uAC00-\uD7AF]
-// Notably missing are halfwidth Katakana and Romanji glyphs.
-var cjkRegex$1 =
- /[\u3040-\u309F]|[\u30A0-\u30FF]|[\u4E00-\u9FAF]|[\uAC00-\uD7AF]/;
-
-var unicodeRegexes = {
- cjkRegex: cjkRegex$1,
- hangulRegex: hangulRegex
-};
-
-var fontMetricsData = {
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- "10756": [0.55001, 1.05, 0, 0],
- "10758": [0.55001, 1.05, 0, 0]
- },
- "Size3-Regular": {
- "40": [0.95003, 1.45, 0, 0],
- "41": [0.95003, 1.45, 0, 0],
- "47": [0.95003, 1.45, 0, 0],
- "91": [0.95003, 1.45, 0, 0],
- "92": [0.95003, 1.45, 0, 0],
- "93": [0.95003, 1.45, 0, 0],
- "123": [0.95003, 1.45, 0, 0],
- "125": [0.95003, 1.45, 0, 0],
- "710": [0, 0.75, 0, 0],
- "732": [0, 0.75, 0, 0],
- "770": [0, 0.75, 0, 0],
- "771": [0, 0.75, 0, 0],
- "8730": [0.95003, 1.45, 0, 0],
- "8968": [0.95003, 1.45, 0, 0],
- "8969": [0.95003, 1.45, 0, 0],
- "8970": [0.95003, 1.45, 0, 0],
- "8971": [0.95003, 1.45, 0, 0],
- "10216": [0.95003, 1.45, 0, 0],
- "10217": [0.95003, 1.45, 0, 0]
- },
- "Size4-Regular": {
- "40": [1.25003, 1.75, 0, 0],
- "41": [1.25003, 1.75, 0, 0],
- "47": [1.25003, 1.75, 0, 0],
- "91": [1.25003, 1.75, 0, 0],
- "92": [1.25003, 1.75, 0, 0],
- "93": [1.25003, 1.75, 0, 0],
- "123": [1.25003, 1.75, 0, 0],
- "125": [1.25003, 1.75, 0, 0],
- "710": [0, 0.825, 0, 0],
- "732": [0, 0.825, 0, 0],
- "770": [0, 0.825, 0, 0],
- "771": [0, 0.825, 0, 0],
- "8730": [1.25003, 1.75, 0, 0],
- "8968": [1.25003, 1.75, 0, 0],
- "8969": [1.25003, 1.75, 0, 0],
- "8970": [1.25003, 1.75, 0, 0],
- "8971": [1.25003, 1.75, 0, 0],
- "9115": [0.64502, 1.155, 0, 0],
- "9116": [1e-05, 0.6, 0, 0],
- "9117": [0.64502, 1.155, 0, 0],
- "9118": [0.64502, 1.155, 0, 0],
- "9119": [1e-05, 0.6, 0, 0],
- "9120": [0.64502, 1.155, 0, 0],
- "9121": [0.64502, 1.155, 0, 0],
- "9122": [-0.00099, 0.601, 0, 0],
- "9123": [0.64502, 1.155, 0, 0],
- "9124": [0.64502, 1.155, 0, 0],
- "9125": [-0.00099, 0.601, 0, 0],
- "9126": [0.64502, 1.155, 0, 0],
- "9127": [1e-05, 0.9, 0, 0],
- "9128": [0.65002, 1.15, 0, 0],
- "9129": [0.90001, 0, 0, 0],
- "9130": [0, 0.3, 0, 0],
- "9131": [1e-05, 0.9, 0, 0],
- "9132": [0.65002, 1.15, 0, 0],
- "9133": [0.90001, 0, 0, 0],
- "9143": [0.88502, 0.915, 0, 0],
- "10216": [1.25003, 1.75, 0, 0],
- "10217": [1.25003, 1.75, 0, 0],
- "57344": [-0.00499, 0.605, 0, 0],
- "57345": [-0.00499, 0.605, 0, 0],
- "57680": [0, 0.12, 0, 0],
- "57681": [0, 0.12, 0, 0],
- "57682": [0, 0.12, 0, 0],
- "57683": [0, 0.12, 0, 0]
- },
- "Typewriter-Regular": {
- "33": [0, 0.61111, 0, 0],
- "34": [0, 0.61111, 0, 0],
- "35": [0, 0.61111, 0, 0],
- "36": [0.08333, 0.69444, 0, 0],
- "37": [0.08333, 0.69444, 0, 0],
- "38": [0, 0.61111, 0, 0],
- "39": [0, 0.61111, 0, 0],
- "40": [0.08333, 0.69444, 0, 0],
- "41": [0.08333, 0.69444, 0, 0],
- "42": [0, 0.52083, 0, 0],
- "43": [-0.08056, 0.53055, 0, 0],
- "44": [0.13889, 0.125, 0, 0],
- "45": [-0.08056, 0.53055, 0, 0],
- "46": [0, 0.125, 0, 0],
- "47": [0.08333, 0.69444, 0, 0],
- "48": [0, 0.61111, 0, 0],
- "49": [0, 0.61111, 0, 0],
- "50": [0, 0.61111, 0, 0],
- "51": [0, 0.61111, 0, 0],
- "52": [0, 0.61111, 0, 0],
- "53": [0, 0.61111, 0, 0],
- "54": [0, 0.61111, 0, 0],
- "55": [0, 0.61111, 0, 0],
- "56": [0, 0.61111, 0, 0],
- "57": [0, 0.61111, 0, 0],
- "58": [0, 0.43056, 0, 0],
- "59": [0.13889, 0.43056, 0, 0],
- "60": [-0.05556, 0.55556, 0, 0],
- "61": [-0.19549, 0.41562, 0, 0],
- "62": [-0.05556, 0.55556, 0, 0],
- "63": [0, 0.61111, 0, 0],
- "64": [0, 0.61111, 0, 0],
- "65": [0, 0.61111, 0, 0],
- "66": [0, 0.61111, 0, 0],
- "67": [0, 0.61111, 0, 0],
- "68": [0, 0.61111, 0, 0],
- "69": [0, 0.61111, 0, 0],
- "70": [0, 0.61111, 0, 0],
- "71": [0, 0.61111, 0, 0],
- "72": [0, 0.61111, 0, 0],
- "73": [0, 0.61111, 0, 0],
- "74": [0, 0.61111, 0, 0],
- "75": [0, 0.61111, 0, 0],
- "76": [0, 0.61111, 0, 0],
- "77": [0, 0.61111, 0, 0],
- "78": [0, 0.61111, 0, 0],
- "79": [0, 0.61111, 0, 0],
- "80": [0, 0.61111, 0, 0],
- "81": [0.13889, 0.61111, 0, 0],
- "82": [0, 0.61111, 0, 0],
- "83": [0, 0.61111, 0, 0],
- "84": [0, 0.61111, 0, 0],
- "85": [0, 0.61111, 0, 0],
- "86": [0, 0.61111, 0, 0],
- "87": [0, 0.61111, 0, 0],
- "88": [0, 0.61111, 0, 0],
- "89": [0, 0.61111, 0, 0],
- "90": [0, 0.61111, 0, 0],
- "91": [0.08333, 0.69444, 0, 0],
- "92": [0.08333, 0.69444, 0, 0],
- "93": [0.08333, 0.69444, 0, 0],
- "94": [0, 0.61111, 0, 0],
- "95": [0.09514, 0, 0, 0],
- "96": [0, 0.61111, 0, 0],
- "97": [0, 0.43056, 0, 0],
- "98": [0, 0.61111, 0, 0],
- "99": [0, 0.43056, 0, 0],
- "100": [0, 0.61111, 0, 0],
- "101": [0, 0.43056, 0, 0],
- "102": [0, 0.61111, 0, 0],
- "103": [0.22222, 0.43056, 0, 0],
- "104": [0, 0.61111, 0, 0],
- "105": [0, 0.61111, 0, 0],
- "106": [0.22222, 0.61111, 0, 0],
- "107": [0, 0.61111, 0, 0],
- "108": [0, 0.61111, 0, 0],
- "109": [0, 0.43056, 0, 0],
- "110": [0, 0.43056, 0, 0],
- "111": [0, 0.43056, 0, 0],
- "112": [0.22222, 0.43056, 0, 0],
- "113": [0.22222, 0.43056, 0, 0],
- "114": [0, 0.43056, 0, 0],
- "115": [0, 0.43056, 0, 0],
- "116": [0, 0.55358, 0, 0],
- "117": [0, 0.43056, 0, 0],
- "118": [0, 0.43056, 0, 0],
- "119": [0, 0.43056, 0, 0],
- "120": [0, 0.43056, 0, 0],
- "121": [0.22222, 0.43056, 0, 0],
- "122": [0, 0.43056, 0, 0],
- "123": [0.08333, 0.69444, 0, 0],
- "124": [0.08333, 0.69444, 0, 0],
- "125": [0.08333, 0.69444, 0, 0],
- "126": [0, 0.61111, 0, 0],
- "127": [0, 0.61111, 0, 0],
- "305": [0, 0.43056, 0, 0],
- "567": [0.22222, 0.43056, 0, 0],
- "768": [0, 0.61111, 0, 0],
- "769": [0, 0.61111, 0, 0],
- "770": [0, 0.61111, 0, 0],
- "771": [0, 0.61111, 0, 0],
- "772": [0, 0.56555, 0, 0],
- "774": [0, 0.61111, 0, 0],
- "776": [0, 0.61111, 0, 0],
- "778": [0, 0.61111, 0, 0],
- "780": [0, 0.56597, 0, 0],
- "915": [0, 0.61111, 0, 0],
- "916": [0, 0.61111, 0, 0],
- "920": [0, 0.61111, 0, 0],
- "923": [0, 0.61111, 0, 0],
- "926": [0, 0.61111, 0, 0],
- "928": [0, 0.61111, 0, 0],
- "931": [0, 0.61111, 0, 0],
- "933": [0, 0.61111, 0, 0],
- "934": [0, 0.61111, 0, 0],
- "936": [0, 0.61111, 0, 0],
- "937": [0, 0.61111, 0, 0],
- "2018": [0, 0.61111, 0, 0],
- "2019": [0, 0.61111, 0, 0],
- "8242": [0, 0.61111, 0, 0]
- }
-};
-
-var cjkRegex = unicodeRegexes.cjkRegex;
-
-/**
- * This file contains metrics regarding fonts and individual symbols. The sigma
- * and xi variables, as well as the metricMap map contain data extracted from
- * TeX, TeX font metrics, and the TTF files. These data are then exposed via the
- * `metrics` variable and the getCharacterMetrics function.
- */
-
-// In TeX, there are actually three sets of dimensions, one for each of
-// textstyle, scriptstyle, and scriptscriptstyle. These are provided in the
-// the arrays below, in that order.
-//
-// The font metrics are stored in fonts cmsy10, cmsy7, and cmsy5 respsectively.
-// This was determined by running the folllowing script:
-//
-// latex -interaction=nonstopmode \
-// '\documentclass{article}\usepackage{amsmath}\begin{document}' \
-// '$a$ \expandafter\show\the\textfont2' \
-// '\expandafter\show\the\scriptfont2' \
-// '\expandafter\show\the\scriptscriptfont2' \
-// '\stop'
-//
-// The metrics themselves were retreived using the following commands:
-//
-// tftopl cmsy10
-// tftopl cmsy7
-// tftopl cmsy5
-//
-// The output of each of these commands is quite lengthy. The only part we
-// care about is the FONTDIMEN section. Each value is measured in EMs.
-var sigmas$1 = {
- slant: [0.250, 0.250, 0.250], // sigma1
- space: [0.000, 0.000, 0.000], // sigma2
- stretch: [0.000, 0.000, 0.000], // sigma3
- shrink: [0.000, 0.000, 0.000], // sigma4
- xHeight: [0.431, 0.431, 0.431], // sigma5
- quad: [1.000, 1.171, 1.472], // sigma6
- extraSpace: [0.000, 0.000, 0.000], // sigma7
- num1: [0.677, 0.732, 0.925], // sigma8
- num2: [0.394, 0.384, 0.387], // sigma9
- num3: [0.444, 0.471, 0.504], // sigma10
- denom1: [0.686, 0.752, 1.025], // sigma11
- denom2: [0.345, 0.344, 0.532], // sigma12
- sup1: [0.413, 0.503, 0.504], // sigma13
- sup2: [0.363, 0.431, 0.404], // sigma14
- sup3: [0.289, 0.286, 0.294], // sigma15
- sub1: [0.150, 0.143, 0.200], // sigma16
- sub2: [0.247, 0.286, 0.400], // sigma17
- supDrop: [0.386, 0.353, 0.494], // sigma18
- subDrop: [0.050, 0.071, 0.100], // sigma19
- delim1: [2.390, 1.700, 1.980], // sigma20
- delim2: [1.010, 1.157, 1.420], // sigma21
- axisHeight: [0.250, 0.250, 0.250] // sigma22
-};
-
-// These font metrics are extracted from TeX by using
-// \font\a=cmex10
-// \showthe\fontdimenX\a
-// where X is the corresponding variable number. These correspond to the font
-// parameters of the extension fonts (family 3). See the TeXbook, page 441.
-var xi8 = 0.04;
-var xi9 = 0.111;
-var xi10 = 0.166;
-var xi11 = 0.2;
-var xi12 = 0.6;
-var xi13 = 0.1;
-
-// This value determines how large a pt is, for metrics which are defined in
-// terms of pts.
-// This value is also used in katex.less; if you change it make sure the values
-// match.
-var ptPerEm = 10.0;
-
-// The space between adjacent `|` columns in an array definition. From
-// `\showthe\doublerulesep` in LaTeX.
-var doubleRuleSep = 2.0 / ptPerEm;
-
-/**
- * This is just a mapping from common names to real metrics
- */
-var metrics$1 = {
- defaultRuleThickness: xi8,
- bigOpSpacing1: xi9,
- bigOpSpacing2: xi10,
- bigOpSpacing3: xi11,
- bigOpSpacing4: xi12,
- bigOpSpacing5: xi13,
- ptPerEm: ptPerEm,
- doubleRuleSep: doubleRuleSep
-};
-
-// This map contains a mapping from font name and character code to character
-// metrics, including height, depth, italic correction, and skew (kern from the
-// character to the corresponding \skewchar)
-// This map is generated via `make metrics`. It should not be changed manually.
-var metricMap = fontMetricsData;
-
-// These are very rough approximations. We default to Times New Roman which
-// should have Latin-1 and Cyrillic characters, but may not depending on the
-// operating system. The metrics do not account for extra height from the
-// accents. In the case of Cyrillic characters which have both ascenders and
-// descenders we prefer approximations with ascenders, primarily to prevent
-// the fraction bar or root line from intersecting the glyph.
-// TODO(kevinb) allow union of multiple glyph metrics for better accuracy.
-var extraCharacterMap = {
- // Latin-1
- 'À': 'A',
- 'Á': 'A',
- 'Â': 'A',
- 'Ã': 'A',
- 'Ä': 'A',
- 'Å': 'A',
- 'Æ': 'A',
- 'Ç': 'C',
- 'È': 'E',
- 'É': 'E',
- 'Ê': 'E',
- 'Ë': 'E',
- 'Ì': 'I',
- 'Í': 'I',
- 'Î': 'I',
- 'Ï': 'I',
- 'Ð': 'D',
- 'Ñ': 'N',
- 'Ò': 'O',
- 'Ó': 'O',
- 'Ô': 'O',
- 'Õ': 'O',
- 'Ö': 'O',
- 'Ø': 'O',
- 'Ù': 'U',
- 'Ú': 'U',
- 'Û': 'U',
- 'Ü': 'U',
- 'Ý': 'Y',
- 'Þ': 'o',
- 'ß': 'B',
- 'à': 'a',
- 'á': 'a',
- 'â': 'a',
- 'ã': 'a',
- 'ä': 'a',
- 'å': 'a',
- 'æ': 'a',
- 'ç': 'c',
- 'è': 'e',
- 'é': 'e',
- 'ê': 'e',
- 'ë': 'e',
- 'ì': 'i',
- 'í': 'i',
- 'î': 'i',
- 'ï': 'i',
- 'ð': 'd',
- 'ñ': 'n',
- 'ò': 'o',
- 'ó': 'o',
- 'ô': 'o',
- 'õ': 'o',
- 'ö': 'o',
- 'ø': 'o',
- 'ù': 'u',
- 'ú': 'u',
- 'û': 'u',
- 'ü': 'u',
- 'ý': 'y',
- 'þ': 'o',
- 'ÿ': 'y',
-
- // Cyrillic
- 'А': 'A',
- 'Б': 'B',
- 'В': 'B',
- 'Г': 'F',
- 'Д': 'A',
- 'Е': 'E',
- 'Ж': 'K',
- 'З': '3',
- 'И': 'N',
- 'Й': 'N',
- 'К': 'K',
- 'Л': 'N',
- 'М': 'M',
- 'Н': 'H',
- 'О': 'O',
- 'П': 'N',
- 'Р': 'P',
- 'С': 'C',
- 'Т': 'T',
- 'У': 'y',
- 'Ф': 'O',
- 'Х': 'X',
- 'Ц': 'U',
- 'Ч': 'h',
- 'Ш': 'W',
- 'Щ': 'W',
- 'Ъ': 'B',
- 'Ы': 'X',
- 'Ь': 'B',
- 'Э': '3',
- 'Ю': 'X',
- 'Я': 'R',
- 'а': 'a',
- 'б': 'b',
- 'в': 'a',
- 'г': 'r',
- 'д': 'y',
- 'е': 'e',
- 'ж': 'm',
- 'з': 'e',
- 'и': 'n',
- 'й': 'n',
- 'к': 'n',
- 'л': 'n',
- 'м': 'm',
- 'н': 'n',
- 'о': 'o',
- 'п': 'n',
- 'р': 'p',
- 'с': 'c',
- 'т': 'o',
- 'у': 'y',
- 'ф': 'b',
- 'х': 'x',
- 'ц': 'n',
- 'ч': 'n',
- 'ш': 'w',
- 'щ': 'w',
- 'ъ': 'a',
- 'ы': 'm',
- 'ь': 'a',
- 'э': 'e',
- 'ю': 'm',
- 'я': 'r'
-};
-
-/**
- * This function is a convenience function for looking up information in the
- * metricMap table. It takes a character as a string, and a style.
- *
- * Note: the `width` property may be undefined if fontMetricsData.js wasn't
- * built using `Make extended_metrics`.
- */
-var getCharacterMetrics = function(character, style) {
- var ch = character.charCodeAt(0);
- if (character[0] in extraCharacterMap) {
- ch = extraCharacterMap[character[0]].charCodeAt(0);
- } else if (cjkRegex.test(character[0])) {
- ch = 'M'.charCodeAt(0);
- }
- var metrics = metricMap[style][ch];
- if (metrics) {
- return {
- depth: metrics[0],
- height: metrics[1],
- italic: metrics[2],
- skew: metrics[3],
- width: metrics[4]
- };
- }
-};
-
-var fontMetrics$1 = {
- metrics: metrics$1,
- sigmas: sigmas$1,
- getCharacterMetrics: getCharacterMetrics
-};
-
-var sigmas = fontMetrics$1.sigmas;
-
-var metrics = [{}, {}, {}];
-var i$1;
-for (var key in sigmas) {
- if (sigmas.hasOwnProperty(key)) {
- for (i$1 = 0; i$1 < 3; i$1++) {
- metrics[i$1][key] = sigmas[key][i$1];
- }
- }
-}
-for (i$1 = 0; i$1 < 3; i$1++) {
- metrics[i$1].emPerEx = sigmas.xHeight[i$1] / sigmas.quad[i$1];
-}
-
-/**
- * The main style class. Contains a unique id for the style, a size (which is
- * the same for cramped and uncramped version of a style), a cramped flag, and a
- * size multiplier, which gives the size difference between a style and
- * textstyle.
- */
-function Style$2(id, size, multiplier, cramped) {
- this.id = id;
- this.size = size;
- this.cramped = cramped;
- this.sizeMultiplier = multiplier;
- this.metrics = metrics[size > 0 ? size - 1 : 0];
-}
-
-/**
- * Get the style of a superscript given a base in the current style.
- */
-Style$2.prototype.sup = function() {
- return styles[sup[this.id]];
-};
-
-/**
- * Get the style of a subscript given a base in the current style.
- */
-Style$2.prototype.sub = function() {
- return styles[sub[this.id]];
-};
-
-/**
- * Get the style of a fraction numerator given the fraction in the current
- * style.
- */
-Style$2.prototype.fracNum = function() {
- return styles[fracNum[this.id]];
-};
-
-/**
- * Get the style of a fraction denominator given the fraction in the current
- * style.
- */
-Style$2.prototype.fracDen = function() {
- return styles[fracDen[this.id]];
-};
-
-/**
- * Get the cramped version of a style (in particular, cramping a cramped style
- * doesn't change the style).
- */
-Style$2.prototype.cramp = function() {
- return styles[cramp[this.id]];
-};
-
-/**
- * HTML class name, like "displaystyle cramped"
- */
-Style$2.prototype.cls = function() {
- return sizeNames[this.size] + (this.cramped ? " cramped" : " uncramped");
-};
-
-/**
- * HTML Reset class name, like "reset-textstyle"
- */
-Style$2.prototype.reset = function() {
- return resetNames[this.size];
-};
-
-/**
- * Return if this style is tightly spaced (scriptstyle/scriptscriptstyle)
- */
-Style$2.prototype.isTight = function() {
- return this.size >= 2;
-};
-
-// IDs of the different styles
-var D = 0;
-var Dc = 1;
-var T$11 = 2;
-var Tc = 3;
-var S = 4;
-var Sc = 5;
-var SS = 6;
-var SSc = 7;
-
-// String names for the different sizes
-var sizeNames = [
- "displaystyle textstyle",
- "textstyle",
- "scriptstyle",
- "scriptscriptstyle"
-];
-
-// Reset names for the different sizes
-var resetNames = [
- "reset-textstyle",
- "reset-textstyle",
- "reset-scriptstyle",
- "reset-scriptscriptstyle"
-];
-
-// Instances of the different styles
-var styles = [
- new Style$2(D, 0, 1.0, false),
- new Style$2(Dc, 0, 1.0, true),
- new Style$2(T$11, 1, 1.0, false),
- new Style$2(Tc, 1, 1.0, true),
- new Style$2(S, 2, 0.7, false),
- new Style$2(Sc, 2, 0.7, true),
- new Style$2(SS, 3, 0.5, false),
- new Style$2(SSc, 3, 0.5, true)
-];
-
-// Lookup tables for switching from one style to another
-var sup = [S, Sc, S, Sc, SS, SSc, SS, SSc];
-var sub = [Sc, Sc, Sc, Sc, SSc, SSc, SSc, SSc];
-var fracNum = [T$11, Tc, S, Sc, SS, SSc, SS, SSc];
-var fracDen = [Tc, Tc, Sc, Sc, SSc, SSc, SSc, SSc];
-var cramp = [Dc, Dc, Tc, Tc, Sc, Sc, SSc, SSc];
-
-// We only export some of the styles. Also, we don't export the `Style` class so
-// no more styles can be generated.
-var Style_1 = {
- DISPLAY: styles[D],
- TEXT: styles[T$11],
- SCRIPT: styles[S],
- SCRIPTSCRIPT: styles[SS]
-};
-
-/**
- * This file contains a list of utility functions which are useful in other
- * files.
- */
-
-/**
- * Provide an `indexOf` function which works in IE8, but defers to native if
- * possible.
- */
-var nativeIndexOf = Array.prototype.indexOf;
-var indexOf = function(list, elem) {
- if (list == null) {
- return -1;
- }
- if (nativeIndexOf && list.indexOf === nativeIndexOf) {
- return list.indexOf(elem);
- }
- var i = 0;
- var l = list.length;
- for (; i < l; i++) {
- if (list[i] === elem) {
- return i;
- }
- }
- return -1;
-};
-
-/**
- * Return whether an element is contained in a list
- */
-var contains = function(list, elem) {
- return indexOf(list, elem) !== -1;
-};
-
-/**
- * Provide a default value if a setting is undefined
- */
-var deflt = function(setting, defaultIfUndefined) {
- return setting === undefined ? defaultIfUndefined : setting;
-};
-
-// hyphenate and escape adapted from Facebook's React under Apache 2 license
-
-var uppercase = /([A-Z])/g;
-var hyphenate = function(str) {
- return str.replace(uppercase, "-$1").toLowerCase();
-};
-
-var ESCAPE_LOOKUP = {
- "&": "&",
- ">": ">",
- "<": "<",
- "\"": """,
- "'": "'"
-};
-
-var ESCAPE_REGEX = /[&><"']/g;
-
-function escaper(match) {
- return ESCAPE_LOOKUP[match];
-}
-
-/**
- * Escapes text to prevent scripting attacks.
- *
- * @param {*} text Text value to escape.
- * @return {string} An escaped string.
- */
-function escape(text) {
- return ("" + text).replace(ESCAPE_REGEX, escaper);
-}
-
-/**
- * A function to set the text content of a DOM element in all supported
- * browsers. Note that we don't define this if there is no document.
- */
-var setTextContent;
-if (typeof document !== "undefined") {
- var testNode = document.createElement("span");
- if ("textContent" in testNode) {
- setTextContent = function(node, text) {
- node.textContent = text;
- };
- } else {
- setTextContent = function(node, text) {
- node.innerText = text;
- };
- }
-}
-
-/**
- * A function to clear a node.
- */
-function clearNode(node) {
- setTextContent(node, "");
-}
-
-var utils$4 = {
- contains: contains,
- deflt: deflt,
- escape: escape,
- hyphenate: hyphenate,
- indexOf: indexOf,
- setTextContent: setTextContent,
- clearNode: clearNode
-};
-
-var unicodeRegexes$2 = unicodeRegexes;
-var utils$3 = utils$4;
-
-/**
- * Create an HTML className based on a list of classes. In addition to joining
- * with spaces, we also remove null or empty classes.
- */
-var createClass = function(classes) {
- classes = classes.slice();
- for (var i = classes.length - 1; i >= 0; i--) {
- if (!classes[i]) {
- classes.splice(i, 1);
- }
- }
-
- return classes.join(" ");
-};
-
-/**
- * This node represents a span node, with a className, a list of children, and
- * an inline style. It also contains information about its height, depth, and
- * maxFontSize.
- */
-function span(classes, children, options) {
- this.classes = classes || [];
- this.children = children || [];
- this.height = 0;
- this.depth = 0;
- this.maxFontSize = 0;
- this.style = {};
- this.attributes = {};
- if (options) {
- if (options.style.isTight()) {
- this.classes.push("mtight");
- }
- if (options.getColor()) {
- this.style.color = options.getColor();
- }
- }
-}
-
-/**
- * Sets an arbitrary attribute on the span. Warning: use this wisely. Not all
- * browsers support attributes the same, and having too many custom attributes
- * is probably bad.
- */
-span.prototype.setAttribute = function(attribute, value) {
- this.attributes[attribute] = value;
-};
-
-span.prototype.tryCombine = function(sibling) {
- return false;
-};
-
-/**
- * Convert the span into an HTML node
- */
-span.prototype.toNode = function() {
- var span = document.createElement("span");
-
- // Apply the class
- span.className = createClass(this.classes);
-
- // Apply inline styles
- for (var style in this.style) {
- if (Object.prototype.hasOwnProperty.call(this.style, style)) {
- span.style[style] = this.style[style];
- }
- }
-
- // Apply attributes
- for (var attr in this.attributes) {
- if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
- span.setAttribute(attr, this.attributes[attr]);
- }
- }
-
- // Append the children, also as HTML nodes
- for (var i = 0; i < this.children.length; i++) {
- span.appendChild(this.children[i].toNode());
- }
-
- return span;
-};
-
-/**
- * Convert the span into an HTML markup string
- */
-span.prototype.toMarkup = function() {
- var markup = "";
-
- // Add the markup of the children, also as markup
- for (var i = 0; i < this.children.length; i++) {
- markup += this.children[i].toMarkup();
- }
-
- markup += "";
-
- return markup;
-};
-
-/**
- * This node represents a document fragment, which contains elements, but when
- * placed into the DOM doesn't have any representation itself. Thus, it only
- * contains children and doesn't have any HTML properties. It also keeps track
- * of a height, depth, and maxFontSize.
- */
-function documentFragment(children) {
- this.children = children || [];
- this.height = 0;
- this.depth = 0;
- this.maxFontSize = 0;
-}
-
-/**
- * Convert the fragment into a node
- */
-documentFragment.prototype.toNode = function() {
- // Create a fragment
- var frag = document.createDocumentFragment();
-
- // Append the children
- for (var i = 0; i < this.children.length; i++) {
- frag.appendChild(this.children[i].toNode());
- }
-
- return frag;
-};
-
-/**
- * Convert the fragment into HTML markup
- */
-documentFragment.prototype.toMarkup = function() {
- var markup = "";
-
- // Simply concatenate the markup for the children together
- for (var i = 0; i < this.children.length; i++) {
- markup += this.children[i].toMarkup();
- }
-
- return markup;
-};
-
-var iCombinations = {
- 'î': '\u0131\u0302',
- 'ï': '\u0131\u0308',
- 'í': '\u0131\u0301',
- // 'ī': '\u0131\u0304', // enable when we add Extended Latin
- 'ì': '\u0131\u0300'
-};
-
-/**
- * A symbol node contains information about a single symbol. It either renders
- * to a single text node, or a span with a single text node in it, depending on
- * whether it has CSS classes, styles, or needs italic correction.
- */
-function symbolNode(value, height, depth, italic, skew, classes, style) {
- this.value = value || "";
- this.height = height || 0;
- this.depth = depth || 0;
- this.italic = italic || 0;
- this.skew = skew || 0;
- this.classes = classes || [];
- this.style = style || {};
- this.maxFontSize = 0;
-
- // Mark CJK characters with specific classes so that we can specify which
- // fonts to use. This allows us to render these characters with a serif
- // font in situations where the browser would either default to a sans serif
- // or render a placeholder character.
- if (unicodeRegexes$2.cjkRegex.test(value)) {
- // I couldn't find any fonts that contained Hangul as well as all of
- // the other characters we wanted to test there for it gets its own
- // CSS class.
- if (unicodeRegexes$2.hangulRegex.test(value)) {
- this.classes.push('hangul_fallback');
- } else {
- this.classes.push('cjk_fallback');
- }
- }
-
- if (/[îïíì]/.test(this.value)) { // add ī when we add Extended Latin
- this.value = iCombinations[this.value];
- }
-}
-
-symbolNode.prototype.tryCombine = function(sibling) {
- if (!sibling
- || !(sibling instanceof symbolNode)
- || this.italic > 0
- || createClass(this.classes) !== createClass(sibling.classes)
- || this.skew !== sibling.skew
- || this.maxFontSize !== sibling.maxFontSize) {
- return false;
- }
- for (var style in this.style) {
- if (this.style.hasOwnProperty(style)
- && this.style[style] !== sibling.style[style]) {
- return false;
- }
- }
- for (style in sibling.style) {
- if (sibling.style.hasOwnProperty(style)
- && this.style[style] !== sibling.style[style]) {
- return false;
- }
- }
- this.value += sibling.value;
- this.height = Math.max(this.height, sibling.height);
- this.depth = Math.max(this.depth, sibling.depth);
- this.italic = sibling.italic;
- return true;
-};
-
-/**
- * Creates a text node or span from a symbol node. Note that a span is only
- * created if it is needed.
- */
-symbolNode.prototype.toNode = function() {
- var node = document.createTextNode(this.value);
- var span = null;
-
- if (this.italic > 0) {
- span = document.createElement("span");
- span.style.marginRight = this.italic + "em";
- }
-
- if (this.classes.length > 0) {
- span = span || document.createElement("span");
- span.className = createClass(this.classes);
- }
-
- for (var style in this.style) {
- if (this.style.hasOwnProperty(style)) {
- span = span || document.createElement("span");
- span.style[style] = this.style[style];
- }
- }
-
- if (span) {
- span.appendChild(node);
- return span;
- } else {
- return node;
- }
-};
-
-/**
- * Creates markup for a symbol node.
- */
-symbolNode.prototype.toMarkup = function() {
- // TODO(alpert): More duplication than I'd like from
- // span.prototype.toMarkup and symbolNode.prototype.toNode...
- var needsSpan = false;
-
- var markup = " 0) {
- styles += "margin-right:" + this.italic + "em;";
- }
- for (var style in this.style) {
- if (this.style.hasOwnProperty(style)) {
- styles += utils$3.hyphenate(style) + ":" + this.style[style] + ";";
- }
- }
-
- if (styles) {
- needsSpan = true;
- markup += " style=\"" + utils$3.escape(styles) + "\"";
- }
-
- var escaped = utils$3.escape(this.value);
- if (needsSpan) {
- markup += ">";
- markup += escaped;
- markup += "";
- return markup;
- } else {
- return escaped;
- }
-};
-
-var domTree$2 = {
- span: span,
- documentFragment: documentFragment,
- symbolNode: symbolNode
-};
-
-var symbols$1 = createCommonjsModule(function (module) {
-/**
- * This file holds a list of all no-argument functions and single-character
- * symbols (like 'a' or ';').
- *
- * For each of the symbols, there are three properties they can have:
- * - font (required): the font to be used for this symbol. Either "main" (the
- normal font), or "ams" (the ams fonts).
- * - group (required): the ParseNode group type the symbol should have (i.e.
- "textord", "mathord", etc).
- See https://github.com/Khan/KaTeX/wiki/Examining-TeX#group-types
- * - replace: the character that this symbol or function should be
- * replaced with (i.e. "\phi" has a replace value of "\u03d5", the phi
- * character in the main font).
- *
- * The outermost map in the table indicates what mode the symbols should be
- * accepted in (e.g. "math" or "text").
- */
-
-module.exports = {
- math: {},
- text: {}
-};
-
-function defineSymbol(mode, font, group, replace, name) {
- module.exports[mode][name] = {
- font: font,
- group: group,
- replace: replace
- };
-}
-
-// Some abbreviations for commonly used strings.
-// This helps minify the code, and also spotting typos using jshint.
-
-// modes:
-var math = "math";
-var text = "text";
-
-// fonts:
-var main = "main";
-var ams = "ams";
-
-// groups:
-var accent = "accent";
-var bin = "bin";
-var close = "close";
-var inner = "inner";
-var mathord = "mathord";
-var op = "op";
-var open = "open";
-var punct = "punct";
-var rel = "rel";
-var spacing = "spacing";
-var textord = "textord";
-
-// Now comes the symbol table
-
-// Relation Symbols
-defineSymbol(math, main, rel, "\u2261", "\\equiv");
-defineSymbol(math, main, rel, "\u227a", "\\prec");
-defineSymbol(math, main, rel, "\u227b", "\\succ");
-defineSymbol(math, main, rel, "\u223c", "\\sim");
-defineSymbol(math, main, rel, "\u22a5", "\\perp");
-defineSymbol(math, main, rel, "\u2aaf", "\\preceq");
-defineSymbol(math, main, rel, "\u2ab0", "\\succeq");
-defineSymbol(math, main, rel, "\u2243", "\\simeq");
-defineSymbol(math, main, rel, "\u2223", "\\mid");
-defineSymbol(math, main, rel, "\u226a", "\\ll");
-defineSymbol(math, main, rel, "\u226b", "\\gg");
-defineSymbol(math, main, rel, "\u224d", "\\asymp");
-defineSymbol(math, main, rel, "\u2225", "\\parallel");
-defineSymbol(math, main, rel, "\u22c8", "\\bowtie");
-defineSymbol(math, main, rel, "\u2323", "\\smile");
-defineSymbol(math, main, rel, "\u2291", "\\sqsubseteq");
-defineSymbol(math, main, rel, "\u2292", "\\sqsupseteq");
-defineSymbol(math, main, rel, "\u2250", "\\doteq");
-defineSymbol(math, main, rel, "\u2322", "\\frown");
-defineSymbol(math, main, rel, "\u220b", "\\ni");
-defineSymbol(math, main, rel, "\u221d", "\\propto");
-defineSymbol(math, main, rel, "\u22a2", "\\vdash");
-defineSymbol(math, main, rel, "\u22a3", "\\dashv");
-defineSymbol(math, main, rel, "\u220b", "\\owns");
-
-// Punctuation
-defineSymbol(math, main, punct, "\u002e", "\\ldotp");
-defineSymbol(math, main, punct, "\u22c5", "\\cdotp");
-
-// Misc Symbols
-defineSymbol(math, main, textord, "\u0023", "\\#");
-defineSymbol(text, main, textord, "\u0023", "\\#");
-defineSymbol(math, main, textord, "\u0026", "\\&");
-defineSymbol(text, main, textord, "\u0026", "\\&");
-defineSymbol(math, main, textord, "\u2135", "\\aleph");
-defineSymbol(math, main, textord, "\u2200", "\\forall");
-defineSymbol(math, main, textord, "\u210f", "\\hbar");
-defineSymbol(math, main, textord, "\u2203", "\\exists");
-defineSymbol(math, main, textord, "\u2207", "\\nabla");
-defineSymbol(math, main, textord, "\u266d", "\\flat");
-defineSymbol(math, main, textord, "\u2113", "\\ell");
-defineSymbol(math, main, textord, "\u266e", "\\natural");
-defineSymbol(math, main, textord, "\u2663", "\\clubsuit");
-defineSymbol(math, main, textord, "\u2118", "\\wp");
-defineSymbol(math, main, textord, "\u266f", "\\sharp");
-defineSymbol(math, main, textord, "\u2662", "\\diamondsuit");
-defineSymbol(math, main, textord, "\u211c", "\\Re");
-defineSymbol(math, main, textord, "\u2661", "\\heartsuit");
-defineSymbol(math, main, textord, "\u2111", "\\Im");
-defineSymbol(math, main, textord, "\u2660", "\\spadesuit");
-
-// Math and Text
-defineSymbol(math, main, textord, "\u2020", "\\dag");
-defineSymbol(math, main, textord, "\u2021", "\\ddag");
-
-// Large Delimiters
-defineSymbol(math, main, close, "\u23b1", "\\rmoustache");
-defineSymbol(math, main, open, "\u23b0", "\\lmoustache");
-defineSymbol(math, main, close, "\u27ef", "\\rgroup");
-defineSymbol(math, main, open, "\u27ee", "\\lgroup");
-
-// Binary Operators
-defineSymbol(math, main, bin, "\u2213", "\\mp");
-defineSymbol(math, main, bin, "\u2296", "\\ominus");
-defineSymbol(math, main, bin, "\u228e", "\\uplus");
-defineSymbol(math, main, bin, "\u2293", "\\sqcap");
-defineSymbol(math, main, bin, "\u2217", "\\ast");
-defineSymbol(math, main, bin, "\u2294", "\\sqcup");
-defineSymbol(math, main, bin, "\u25ef", "\\bigcirc");
-defineSymbol(math, main, bin, "\u2219", "\\bullet");
-defineSymbol(math, main, bin, "\u2021", "\\ddagger");
-defineSymbol(math, main, bin, "\u2240", "\\wr");
-defineSymbol(math, main, bin, "\u2a3f", "\\amalg");
-
-// Arrow Symbols
-defineSymbol(math, main, rel, "\u27f5", "\\longleftarrow");
-defineSymbol(math, main, rel, "\u21d0", "\\Leftarrow");
-defineSymbol(math, main, rel, "\u27f8", "\\Longleftarrow");
-defineSymbol(math, main, rel, "\u27f6", "\\longrightarrow");
-defineSymbol(math, main, rel, "\u21d2", "\\Rightarrow");
-defineSymbol(math, main, rel, "\u27f9", "\\Longrightarrow");
-defineSymbol(math, main, rel, "\u2194", "\\leftrightarrow");
-defineSymbol(math, main, rel, "\u27f7", "\\longleftrightarrow");
-defineSymbol(math, main, rel, "\u21d4", "\\Leftrightarrow");
-defineSymbol(math, main, rel, "\u27fa", "\\Longleftrightarrow");
-defineSymbol(math, main, rel, "\u21a6", "\\mapsto");
-defineSymbol(math, main, rel, "\u27fc", "\\longmapsto");
-defineSymbol(math, main, rel, "\u2197", "\\nearrow");
-defineSymbol(math, main, rel, "\u21a9", "\\hookleftarrow");
-defineSymbol(math, main, rel, "\u21aa", "\\hookrightarrow");
-defineSymbol(math, main, rel, "\u2198", "\\searrow");
-defineSymbol(math, main, rel, "\u21bc", "\\leftharpoonup");
-defineSymbol(math, main, rel, "\u21c0", "\\rightharpoonup");
-defineSymbol(math, main, rel, "\u2199", "\\swarrow");
-defineSymbol(math, main, rel, "\u21bd", "\\leftharpoondown");
-defineSymbol(math, main, rel, "\u21c1", "\\rightharpoondown");
-defineSymbol(math, main, rel, "\u2196", "\\nwarrow");
-defineSymbol(math, main, rel, "\u21cc", "\\rightleftharpoons");
-
-// AMS Negated Binary Relations
-defineSymbol(math, ams, rel, "\u226e", "\\nless");
-defineSymbol(math, ams, rel, "\ue010", "\\nleqslant");
-defineSymbol(math, ams, rel, "\ue011", "\\nleqq");
-defineSymbol(math, ams, rel, "\u2a87", "\\lneq");
-defineSymbol(math, ams, rel, "\u2268", "\\lneqq");
-defineSymbol(math, ams, rel, "\ue00c", "\\lvertneqq");
-defineSymbol(math, ams, rel, "\u22e6", "\\lnsim");
-defineSymbol(math, ams, rel, "\u2a89", "\\lnapprox");
-defineSymbol(math, ams, rel, "\u2280", "\\nprec");
-defineSymbol(math, ams, rel, "\u22e0", "\\npreceq");
-defineSymbol(math, ams, rel, "\u22e8", "\\precnsim");
-defineSymbol(math, ams, rel, "\u2ab9", "\\precnapprox");
-defineSymbol(math, ams, rel, "\u2241", "\\nsim");
-defineSymbol(math, ams, rel, "\ue006", "\\nshortmid");
-defineSymbol(math, ams, rel, "\u2224", "\\nmid");
-defineSymbol(math, ams, rel, "\u22ac", "\\nvdash");
-defineSymbol(math, ams, rel, "\u22ad", "\\nvDash");
-defineSymbol(math, ams, rel, "\u22ea", "\\ntriangleleft");
-defineSymbol(math, ams, rel, "\u22ec", "\\ntrianglelefteq");
-defineSymbol(math, ams, rel, "\u228a", "\\subsetneq");
-defineSymbol(math, ams, rel, "\ue01a", "\\varsubsetneq");
-defineSymbol(math, ams, rel, "\u2acb", "\\subsetneqq");
-defineSymbol(math, ams, rel, "\ue017", "\\varsubsetneqq");
-defineSymbol(math, ams, rel, "\u226f", "\\ngtr");
-defineSymbol(math, ams, rel, "\ue00f", "\\ngeqslant");
-defineSymbol(math, ams, rel, "\ue00e", "\\ngeqq");
-defineSymbol(math, ams, rel, "\u2a88", "\\gneq");
-defineSymbol(math, ams, rel, "\u2269", "\\gneqq");
-defineSymbol(math, ams, rel, "\ue00d", "\\gvertneqq");
-defineSymbol(math, ams, rel, "\u22e7", "\\gnsim");
-defineSymbol(math, ams, rel, "\u2a8a", "\\gnapprox");
-defineSymbol(math, ams, rel, "\u2281", "\\nsucc");
-defineSymbol(math, ams, rel, "\u22e1", "\\nsucceq");
-defineSymbol(math, ams, rel, "\u22e9", "\\succnsim");
-defineSymbol(math, ams, rel, "\u2aba", "\\succnapprox");
-defineSymbol(math, ams, rel, "\u2246", "\\ncong");
-defineSymbol(math, ams, rel, "\ue007", "\\nshortparallel");
-defineSymbol(math, ams, rel, "\u2226", "\\nparallel");
-defineSymbol(math, ams, rel, "\u22af", "\\nVDash");
-defineSymbol(math, ams, rel, "\u22eb", "\\ntriangleright");
-defineSymbol(math, ams, rel, "\u22ed", "\\ntrianglerighteq");
-defineSymbol(math, ams, rel, "\ue018", "\\nsupseteqq");
-defineSymbol(math, ams, rel, "\u228b", "\\supsetneq");
-defineSymbol(math, ams, rel, "\ue01b", "\\varsupsetneq");
-defineSymbol(math, ams, rel, "\u2acc", "\\supsetneqq");
-defineSymbol(math, ams, rel, "\ue019", "\\varsupsetneqq");
-defineSymbol(math, ams, rel, "\u22ae", "\\nVdash");
-defineSymbol(math, ams, rel, "\u2ab5", "\\precneqq");
-defineSymbol(math, ams, rel, "\u2ab6", "\\succneqq");
-defineSymbol(math, ams, rel, "\ue016", "\\nsubseteqq");
-defineSymbol(math, ams, bin, "\u22b4", "\\unlhd");
-defineSymbol(math, ams, bin, "\u22b5", "\\unrhd");
-
-// AMS Negated Arrows
-defineSymbol(math, ams, rel, "\u219a", "\\nleftarrow");
-defineSymbol(math, ams, rel, "\u219b", "\\nrightarrow");
-defineSymbol(math, ams, rel, "\u21cd", "\\nLeftarrow");
-defineSymbol(math, ams, rel, "\u21cf", "\\nRightarrow");
-defineSymbol(math, ams, rel, "\u21ae", "\\nleftrightarrow");
-defineSymbol(math, ams, rel, "\u21ce", "\\nLeftrightarrow");
-
-// AMS Misc
-defineSymbol(math, ams, rel, "\u25b3", "\\vartriangle");
-defineSymbol(math, ams, textord, "\u210f", "\\hslash");
-defineSymbol(math, ams, textord, "\u25bd", "\\triangledown");
-defineSymbol(math, ams, textord, "\u25ca", "\\lozenge");
-defineSymbol(math, ams, textord, "\u24c8", "\\circledS");
-defineSymbol(math, ams, textord, "\u00ae", "\\circledR");
-defineSymbol(math, ams, textord, "\u2221", "\\measuredangle");
-defineSymbol(math, ams, textord, "\u2204", "\\nexists");
-defineSymbol(math, ams, textord, "\u2127", "\\mho");
-defineSymbol(math, ams, textord, "\u2132", "\\Finv");
-defineSymbol(math, ams, textord, "\u2141", "\\Game");
-defineSymbol(math, ams, textord, "\u006b", "\\Bbbk");
-defineSymbol(math, ams, textord, "\u2035", "\\backprime");
-defineSymbol(math, ams, textord, "\u25b2", "\\blacktriangle");
-defineSymbol(math, ams, textord, "\u25bc", "\\blacktriangledown");
-defineSymbol(math, ams, textord, "\u25a0", "\\blacksquare");
-defineSymbol(math, ams, textord, "\u29eb", "\\blacklozenge");
-defineSymbol(math, ams, textord, "\u2605", "\\bigstar");
-defineSymbol(math, ams, textord, "\u2222", "\\sphericalangle");
-defineSymbol(math, ams, textord, "\u2201", "\\complement");
-defineSymbol(math, ams, textord, "\u00f0", "\\eth");
-defineSymbol(math, ams, textord, "\u2571", "\\diagup");
-defineSymbol(math, ams, textord, "\u2572", "\\diagdown");
-defineSymbol(math, ams, textord, "\u25a1", "\\square");
-defineSymbol(math, ams, textord, "\u25a1", "\\Box");
-defineSymbol(math, ams, textord, "\u25ca", "\\Diamond");
-defineSymbol(math, ams, textord, "\u00a5", "\\yen");
-defineSymbol(math, ams, textord, "\u2713", "\\checkmark");
-
-// AMS Hebrew
-defineSymbol(math, ams, textord, "\u2136", "\\beth");
-defineSymbol(math, ams, textord, "\u2138", "\\daleth");
-defineSymbol(math, ams, textord, "\u2137", "\\gimel");
-
-// AMS Greek
-defineSymbol(math, ams, textord, "\u03dd", "\\digamma");
-defineSymbol(math, ams, textord, "\u03f0", "\\varkappa");
-
-// AMS Delimiters
-defineSymbol(math, ams, open, "\u250c", "\\ulcorner");
-defineSymbol(math, ams, close, "\u2510", "\\urcorner");
-defineSymbol(math, ams, open, "\u2514", "\\llcorner");
-defineSymbol(math, ams, close, "\u2518", "\\lrcorner");
-
-// AMS Binary Relations
-defineSymbol(math, ams, rel, "\u2266", "\\leqq");
-defineSymbol(math, ams, rel, "\u2a7d", "\\leqslant");
-defineSymbol(math, ams, rel, "\u2a95", "\\eqslantless");
-defineSymbol(math, ams, rel, "\u2272", "\\lesssim");
-defineSymbol(math, ams, rel, "\u2a85", "\\lessapprox");
-defineSymbol(math, ams, rel, "\u224a", "\\approxeq");
-defineSymbol(math, ams, bin, "\u22d6", "\\lessdot");
-defineSymbol(math, ams, rel, "\u22d8", "\\lll");
-defineSymbol(math, ams, rel, "\u2276", "\\lessgtr");
-defineSymbol(math, ams, rel, "\u22da", "\\lesseqgtr");
-defineSymbol(math, ams, rel, "\u2a8b", "\\lesseqqgtr");
-defineSymbol(math, ams, rel, "\u2251", "\\doteqdot");
-defineSymbol(math, ams, rel, "\u2253", "\\risingdotseq");
-defineSymbol(math, ams, rel, "\u2252", "\\fallingdotseq");
-defineSymbol(math, ams, rel, "\u223d", "\\backsim");
-defineSymbol(math, ams, rel, "\u22cd", "\\backsimeq");
-defineSymbol(math, ams, rel, "\u2ac5", "\\subseteqq");
-defineSymbol(math, ams, rel, "\u22d0", "\\Subset");
-defineSymbol(math, ams, rel, "\u228f", "\\sqsubset");
-defineSymbol(math, ams, rel, "\u227c", "\\preccurlyeq");
-defineSymbol(math, ams, rel, "\u22de", "\\curlyeqprec");
-defineSymbol(math, ams, rel, "\u227e", "\\precsim");
-defineSymbol(math, ams, rel, "\u2ab7", "\\precapprox");
-defineSymbol(math, ams, rel, "\u22b2", "\\vartriangleleft");
-defineSymbol(math, ams, rel, "\u22b4", "\\trianglelefteq");
-defineSymbol(math, ams, rel, "\u22a8", "\\vDash");
-defineSymbol(math, ams, rel, "\u22aa", "\\Vvdash");
-defineSymbol(math, ams, rel, "\u2323", "\\smallsmile");
-defineSymbol(math, ams, rel, "\u2322", "\\smallfrown");
-defineSymbol(math, ams, rel, "\u224f", "\\bumpeq");
-defineSymbol(math, ams, rel, "\u224e", "\\Bumpeq");
-defineSymbol(math, ams, rel, "\u2267", "\\geqq");
-defineSymbol(math, ams, rel, "\u2a7e", "\\geqslant");
-defineSymbol(math, ams, rel, "\u2a96", "\\eqslantgtr");
-defineSymbol(math, ams, rel, "\u2273", "\\gtrsim");
-defineSymbol(math, ams, rel, "\u2a86", "\\gtrapprox");
-defineSymbol(math, ams, bin, "\u22d7", "\\gtrdot");
-defineSymbol(math, ams, rel, "\u22d9", "\\ggg");
-defineSymbol(math, ams, rel, "\u2277", "\\gtrless");
-defineSymbol(math, ams, rel, "\u22db", "\\gtreqless");
-defineSymbol(math, ams, rel, "\u2a8c", "\\gtreqqless");
-defineSymbol(math, ams, rel, "\u2256", "\\eqcirc");
-defineSymbol(math, ams, rel, "\u2257", "\\circeq");
-defineSymbol(math, ams, rel, "\u225c", "\\triangleq");
-defineSymbol(math, ams, rel, "\u223c", "\\thicksim");
-defineSymbol(math, ams, rel, "\u2248", "\\thickapprox");
-defineSymbol(math, ams, rel, "\u2ac6", "\\supseteqq");
-defineSymbol(math, ams, rel, "\u22d1", "\\Supset");
-defineSymbol(math, ams, rel, "\u2290", "\\sqsupset");
-defineSymbol(math, ams, rel, "\u227d", "\\succcurlyeq");
-defineSymbol(math, ams, rel, "\u22df", "\\curlyeqsucc");
-defineSymbol(math, ams, rel, "\u227f", "\\succsim");
-defineSymbol(math, ams, rel, "\u2ab8", "\\succapprox");
-defineSymbol(math, ams, rel, "\u22b3", "\\vartriangleright");
-defineSymbol(math, ams, rel, "\u22b5", "\\trianglerighteq");
-defineSymbol(math, ams, rel, "\u22a9", "\\Vdash");
-defineSymbol(math, ams, rel, "\u2223", "\\shortmid");
-defineSymbol(math, ams, rel, "\u2225", "\\shortparallel");
-defineSymbol(math, ams, rel, "\u226c", "\\between");
-defineSymbol(math, ams, rel, "\u22d4", "\\pitchfork");
-defineSymbol(math, ams, rel, "\u221d", "\\varpropto");
-defineSymbol(math, ams, rel, "\u25c0", "\\blacktriangleleft");
-defineSymbol(math, ams, rel, "\u2234", "\\therefore");
-defineSymbol(math, ams, rel, "\u220d", "\\backepsilon");
-defineSymbol(math, ams, rel, "\u25b6", "\\blacktriangleright");
-defineSymbol(math, ams, rel, "\u2235", "\\because");
-defineSymbol(math, ams, rel, "\u22d8", "\\llless");
-defineSymbol(math, ams, rel, "\u22d9", "\\gggtr");
-defineSymbol(math, ams, bin, "\u22b2", "\\lhd");
-defineSymbol(math, ams, bin, "\u22b3", "\\rhd");
-defineSymbol(math, ams, rel, "\u2242", "\\eqsim");
-defineSymbol(math, main, rel, "\u22c8", "\\Join");
-defineSymbol(math, ams, rel, "\u2251", "\\Doteq");
-
-// AMS Binary Operators
-defineSymbol(math, ams, bin, "\u2214", "\\dotplus");
-defineSymbol(math, ams, bin, "\u2216", "\\smallsetminus");
-defineSymbol(math, ams, bin, "\u22d2", "\\Cap");
-defineSymbol(math, ams, bin, "\u22d3", "\\Cup");
-defineSymbol(math, ams, bin, "\u2a5e", "\\doublebarwedge");
-defineSymbol(math, ams, bin, "\u229f", "\\boxminus");
-defineSymbol(math, ams, bin, "\u229e", "\\boxplus");
-defineSymbol(math, ams, bin, "\u22c7", "\\divideontimes");
-defineSymbol(math, ams, bin, "\u22c9", "\\ltimes");
-defineSymbol(math, ams, bin, "\u22ca", "\\rtimes");
-defineSymbol(math, ams, bin, "\u22cb", "\\leftthreetimes");
-defineSymbol(math, ams, bin, "\u22cc", "\\rightthreetimes");
-defineSymbol(math, ams, bin, "\u22cf", "\\curlywedge");
-defineSymbol(math, ams, bin, "\u22ce", "\\curlyvee");
-defineSymbol(math, ams, bin, "\u229d", "\\circleddash");
-defineSymbol(math, ams, bin, "\u229b", "\\circledast");
-defineSymbol(math, ams, bin, "\u22c5", "\\centerdot");
-defineSymbol(math, ams, bin, "\u22ba", "\\intercal");
-defineSymbol(math, ams, bin, "\u22d2", "\\doublecap");
-defineSymbol(math, ams, bin, "\u22d3", "\\doublecup");
-defineSymbol(math, ams, bin, "\u22a0", "\\boxtimes");
-
-// AMS Arrows
-defineSymbol(math, ams, rel, "\u21e2", "\\dashrightarrow");
-defineSymbol(math, ams, rel, "\u21e0", "\\dashleftarrow");
-defineSymbol(math, ams, rel, "\u21c7", "\\leftleftarrows");
-defineSymbol(math, ams, rel, "\u21c6", "\\leftrightarrows");
-defineSymbol(math, ams, rel, "\u21da", "\\Lleftarrow");
-defineSymbol(math, ams, rel, "\u219e", "\\twoheadleftarrow");
-defineSymbol(math, ams, rel, "\u21a2", "\\leftarrowtail");
-defineSymbol(math, ams, rel, "\u21ab", "\\looparrowleft");
-defineSymbol(math, ams, rel, "\u21cb", "\\leftrightharpoons");
-defineSymbol(math, ams, rel, "\u21b6", "\\curvearrowleft");
-defineSymbol(math, ams, rel, "\u21ba", "\\circlearrowleft");
-defineSymbol(math, ams, rel, "\u21b0", "\\Lsh");
-defineSymbol(math, ams, rel, "\u21c8", "\\upuparrows");
-defineSymbol(math, ams, rel, "\u21bf", "\\upharpoonleft");
-defineSymbol(math, ams, rel, "\u21c3", "\\downharpoonleft");
-defineSymbol(math, ams, rel, "\u22b8", "\\multimap");
-defineSymbol(math, ams, rel, "\u21ad", "\\leftrightsquigarrow");
-defineSymbol(math, ams, rel, "\u21c9", "\\rightrightarrows");
-defineSymbol(math, ams, rel, "\u21c4", "\\rightleftarrows");
-defineSymbol(math, ams, rel, "\u21a0", "\\twoheadrightarrow");
-defineSymbol(math, ams, rel, "\u21a3", "\\rightarrowtail");
-defineSymbol(math, ams, rel, "\u21ac", "\\looparrowright");
-defineSymbol(math, ams, rel, "\u21b7", "\\curvearrowright");
-defineSymbol(math, ams, rel, "\u21bb", "\\circlearrowright");
-defineSymbol(math, ams, rel, "\u21b1", "\\Rsh");
-defineSymbol(math, ams, rel, "\u21ca", "\\downdownarrows");
-defineSymbol(math, ams, rel, "\u21be", "\\upharpoonright");
-defineSymbol(math, ams, rel, "\u21c2", "\\downharpoonright");
-defineSymbol(math, ams, rel, "\u21dd", "\\rightsquigarrow");
-defineSymbol(math, ams, rel, "\u21dd", "\\leadsto");
-defineSymbol(math, ams, rel, "\u21db", "\\Rrightarrow");
-defineSymbol(math, ams, rel, "\u21be", "\\restriction");
-
-defineSymbol(math, main, textord, "\u2018", "`");
-defineSymbol(math, main, textord, "$", "\\$");
-defineSymbol(text, main, textord, "$", "\\$");
-defineSymbol(math, main, textord, "%", "\\%");
-defineSymbol(text, main, textord, "%", "\\%");
-defineSymbol(math, main, textord, "_", "\\_");
-defineSymbol(text, main, textord, "_", "\\_");
-defineSymbol(math, main, textord, "\u2220", "\\angle");
-defineSymbol(math, main, textord, "\u221e", "\\infty");
-defineSymbol(math, main, textord, "\u2032", "\\prime");
-defineSymbol(math, main, textord, "\u25b3", "\\triangle");
-defineSymbol(math, main, textord, "\u0393", "\\Gamma");
-defineSymbol(math, main, textord, "\u0394", "\\Delta");
-defineSymbol(math, main, textord, "\u0398", "\\Theta");
-defineSymbol(math, main, textord, "\u039b", "\\Lambda");
-defineSymbol(math, main, textord, "\u039e", "\\Xi");
-defineSymbol(math, main, textord, "\u03a0", "\\Pi");
-defineSymbol(math, main, textord, "\u03a3", "\\Sigma");
-defineSymbol(math, main, textord, "\u03a5", "\\Upsilon");
-defineSymbol(math, main, textord, "\u03a6", "\\Phi");
-defineSymbol(math, main, textord, "\u03a8", "\\Psi");
-defineSymbol(math, main, textord, "\u03a9", "\\Omega");
-defineSymbol(math, main, textord, "\u00ac", "\\neg");
-defineSymbol(math, main, textord, "\u00ac", "\\lnot");
-defineSymbol(math, main, textord, "\u22a4", "\\top");
-defineSymbol(math, main, textord, "\u22a5", "\\bot");
-defineSymbol(math, main, textord, "\u2205", "\\emptyset");
-defineSymbol(math, ams, textord, "\u2205", "\\varnothing");
-defineSymbol(math, main, mathord, "\u03b1", "\\alpha");
-defineSymbol(math, main, mathord, "\u03b2", "\\beta");
-defineSymbol(math, main, mathord, "\u03b3", "\\gamma");
-defineSymbol(math, main, mathord, "\u03b4", "\\delta");
-defineSymbol(math, main, mathord, "\u03f5", "\\epsilon");
-defineSymbol(math, main, mathord, "\u03b6", "\\zeta");
-defineSymbol(math, main, mathord, "\u03b7", "\\eta");
-defineSymbol(math, main, mathord, "\u03b8", "\\theta");
-defineSymbol(math, main, mathord, "\u03b9", "\\iota");
-defineSymbol(math, main, mathord, "\u03ba", "\\kappa");
-defineSymbol(math, main, mathord, "\u03bb", "\\lambda");
-defineSymbol(math, main, mathord, "\u03bc", "\\mu");
-defineSymbol(math, main, mathord, "\u03bd", "\\nu");
-defineSymbol(math, main, mathord, "\u03be", "\\xi");
-defineSymbol(math, main, mathord, "o", "\\omicron");
-defineSymbol(math, main, mathord, "\u03c0", "\\pi");
-defineSymbol(math, main, mathord, "\u03c1", "\\rho");
-defineSymbol(math, main, mathord, "\u03c3", "\\sigma");
-defineSymbol(math, main, mathord, "\u03c4", "\\tau");
-defineSymbol(math, main, mathord, "\u03c5", "\\upsilon");
-defineSymbol(math, main, mathord, "\u03d5", "\\phi");
-defineSymbol(math, main, mathord, "\u03c7", "\\chi");
-defineSymbol(math, main, mathord, "\u03c8", "\\psi");
-defineSymbol(math, main, mathord, "\u03c9", "\\omega");
-defineSymbol(math, main, mathord, "\u03b5", "\\varepsilon");
-defineSymbol(math, main, mathord, "\u03d1", "\\vartheta");
-defineSymbol(math, main, mathord, "\u03d6", "\\varpi");
-defineSymbol(math, main, mathord, "\u03f1", "\\varrho");
-defineSymbol(math, main, mathord, "\u03c2", "\\varsigma");
-defineSymbol(math, main, mathord, "\u03c6", "\\varphi");
-defineSymbol(math, main, bin, "\u2217", "*");
-defineSymbol(math, main, bin, "+", "+");
-defineSymbol(math, main, bin, "\u2212", "-");
-defineSymbol(math, main, bin, "\u22c5", "\\cdot");
-defineSymbol(math, main, bin, "\u2218", "\\circ");
-defineSymbol(math, main, bin, "\u00f7", "\\div");
-defineSymbol(math, main, bin, "\u00b1", "\\pm");
-defineSymbol(math, main, bin, "\u00d7", "\\times");
-defineSymbol(math, main, bin, "\u2229", "\\cap");
-defineSymbol(math, main, bin, "\u222a", "\\cup");
-defineSymbol(math, main, bin, "\u2216", "\\setminus");
-defineSymbol(math, main, bin, "\u2227", "\\land");
-defineSymbol(math, main, bin, "\u2228", "\\lor");
-defineSymbol(math, main, bin, "\u2227", "\\wedge");
-defineSymbol(math, main, bin, "\u2228", "\\vee");
-defineSymbol(math, main, textord, "\u221a", "\\surd");
-defineSymbol(math, main, open, "(", "(");
-defineSymbol(math, main, open, "[", "[");
-defineSymbol(math, main, open, "\u27e8", "\\langle");
-defineSymbol(math, main, open, "\u2223", "\\lvert");
-defineSymbol(math, main, open, "\u2225", "\\lVert");
-defineSymbol(math, main, close, ")", ")");
-defineSymbol(math, main, close, "]", "]");
-defineSymbol(math, main, close, "?", "?");
-defineSymbol(math, main, close, "!", "!");
-defineSymbol(math, main, close, "\u27e9", "\\rangle");
-defineSymbol(math, main, close, "\u2223", "\\rvert");
-defineSymbol(math, main, close, "\u2225", "\\rVert");
-defineSymbol(math, main, rel, "=", "=");
-defineSymbol(math, main, rel, "<", "<");
-defineSymbol(math, main, rel, ">", ">");
-defineSymbol(math, main, rel, ":", ":");
-defineSymbol(math, main, rel, "\u2248", "\\approx");
-defineSymbol(math, main, rel, "\u2245", "\\cong");
-defineSymbol(math, main, rel, "\u2265", "\\ge");
-defineSymbol(math, main, rel, "\u2265", "\\geq");
-defineSymbol(math, main, rel, "\u2190", "\\gets");
-defineSymbol(math, main, rel, ">", "\\gt");
-defineSymbol(math, main, rel, "\u2208", "\\in");
-defineSymbol(math, main, rel, "\u2209", "\\notin");
-defineSymbol(math, main, rel, "\u2282", "\\subset");
-defineSymbol(math, main, rel, "\u2283", "\\supset");
-defineSymbol(math, main, rel, "\u2286", "\\subseteq");
-defineSymbol(math, main, rel, "\u2287", "\\supseteq");
-defineSymbol(math, ams, rel, "\u2288", "\\nsubseteq");
-defineSymbol(math, ams, rel, "\u2289", "\\nsupseteq");
-defineSymbol(math, main, rel, "\u22a8", "\\models");
-defineSymbol(math, main, rel, "\u2190", "\\leftarrow");
-defineSymbol(math, main, rel, "\u2264", "\\le");
-defineSymbol(math, main, rel, "\u2264", "\\leq");
-defineSymbol(math, main, rel, "<", "\\lt");
-defineSymbol(math, main, rel, "\u2260", "\\ne");
-defineSymbol(math, main, rel, "\u2260", "\\neq");
-defineSymbol(math, main, rel, "\u2192", "\\rightarrow");
-defineSymbol(math, main, rel, "\u2192", "\\to");
-defineSymbol(math, ams, rel, "\u2271", "\\ngeq");
-defineSymbol(math, ams, rel, "\u2270", "\\nleq");
-defineSymbol(math, main, spacing, null, "\\!");
-defineSymbol(math, main, spacing, "\u00a0", "\\ ");
-defineSymbol(math, main, spacing, "\u00a0", "~");
-defineSymbol(math, main, spacing, null, "\\,");
-defineSymbol(math, main, spacing, null, "\\:");
-defineSymbol(math, main, spacing, null, "\\;");
-defineSymbol(math, main, spacing, null, "\\enspace");
-defineSymbol(math, main, spacing, null, "\\qquad");
-defineSymbol(math, main, spacing, null, "\\quad");
-defineSymbol(math, main, spacing, "\u00a0", "\\space");
-defineSymbol(math, main, punct, ",", ",");
-defineSymbol(math, main, punct, ";", ";");
-defineSymbol(math, main, punct, ":", "\\colon");
-defineSymbol(math, ams, bin, "\u22bc", "\\barwedge");
-defineSymbol(math, ams, bin, "\u22bb", "\\veebar");
-defineSymbol(math, main, bin, "\u2299", "\\odot");
-defineSymbol(math, main, bin, "\u2295", "\\oplus");
-defineSymbol(math, main, bin, "\u2297", "\\otimes");
-defineSymbol(math, main, textord, "\u2202", "\\partial");
-defineSymbol(math, main, bin, "\u2298", "\\oslash");
-defineSymbol(math, ams, bin, "\u229a", "\\circledcirc");
-defineSymbol(math, ams, bin, "\u22a1", "\\boxdot");
-defineSymbol(math, main, bin, "\u25b3", "\\bigtriangleup");
-defineSymbol(math, main, bin, "\u25bd", "\\bigtriangledown");
-defineSymbol(math, main, bin, "\u2020", "\\dagger");
-defineSymbol(math, main, bin, "\u22c4", "\\diamond");
-defineSymbol(math, main, bin, "\u22c6", "\\star");
-defineSymbol(math, main, bin, "\u25c3", "\\triangleleft");
-defineSymbol(math, main, bin, "\u25b9", "\\triangleright");
-defineSymbol(math, main, open, "{", "\\{");
-defineSymbol(text, main, textord, "{", "\\{");
-defineSymbol(math, main, close, "}", "\\}");
-defineSymbol(text, main, textord, "}", "\\}");
-defineSymbol(math, main, open, "{", "\\lbrace");
-defineSymbol(math, main, close, "}", "\\rbrace");
-defineSymbol(math, main, open, "[", "\\lbrack");
-defineSymbol(math, main, close, "]", "\\rbrack");
-defineSymbol(math, main, open, "\u230a", "\\lfloor");
-defineSymbol(math, main, close, "\u230b", "\\rfloor");
-defineSymbol(math, main, open, "\u2308", "\\lceil");
-defineSymbol(math, main, close, "\u2309", "\\rceil");
-defineSymbol(math, main, textord, "\\", "\\backslash");
-defineSymbol(math, main, textord, "\u2223", "|");
-defineSymbol(math, main, textord, "\u2223", "\\vert");
-defineSymbol(math, main, textord, "\u2225", "\\|");
-defineSymbol(math, main, textord, "\u2225", "\\Vert");
-defineSymbol(math, main, rel, "\u2191", "\\uparrow");
-defineSymbol(math, main, rel, "\u21d1", "\\Uparrow");
-defineSymbol(math, main, rel, "\u2193", "\\downarrow");
-defineSymbol(math, main, rel, "\u21d3", "\\Downarrow");
-defineSymbol(math, main, rel, "\u2195", "\\updownarrow");
-defineSymbol(math, main, rel, "\u21d5", "\\Updownarrow");
-defineSymbol(math, math, op, "\u2210", "\\coprod");
-defineSymbol(math, math, op, "\u22c1", "\\bigvee");
-defineSymbol(math, math, op, "\u22c0", "\\bigwedge");
-defineSymbol(math, math, op, "\u2a04", "\\biguplus");
-defineSymbol(math, math, op, "\u22c2", "\\bigcap");
-defineSymbol(math, math, op, "\u22c3", "\\bigcup");
-defineSymbol(math, math, op, "\u222b", "\\int");
-defineSymbol(math, math, op, "\u222b", "\\intop");
-defineSymbol(math, math, op, "\u222c", "\\iint");
-defineSymbol(math, math, op, "\u222d", "\\iiint");
-defineSymbol(math, math, op, "\u220f", "\\prod");
-defineSymbol(math, math, op, "\u2211", "\\sum");
-defineSymbol(math, math, op, "\u2a02", "\\bigotimes");
-defineSymbol(math, math, op, "\u2a01", "\\bigoplus");
-defineSymbol(math, math, op, "\u2a00", "\\bigodot");
-defineSymbol(math, math, op, "\u222e", "\\oint");
-defineSymbol(math, math, op, "\u2a06", "\\bigsqcup");
-defineSymbol(math, math, op, "\u222b", "\\smallint");
-defineSymbol(text, main, inner, "\u2026", "\\textellipsis");
-defineSymbol(math, main, inner, "\u2026", "\\mathellipsis");
-defineSymbol(text, main, inner, "\u2026", "\\ldots");
-defineSymbol(math, main, inner, "\u2026", "\\ldots");
-defineSymbol(math, main, inner, "\u22ef", "\\cdots");
-defineSymbol(math, main, inner, "\u22f1", "\\ddots");
-defineSymbol(math, main, textord, "\u22ee", "\\vdots");
-defineSymbol(math, main, accent, "\u00b4", "\\acute");
-defineSymbol(math, main, accent, "\u0060", "\\grave");
-defineSymbol(math, main, accent, "\u00a8", "\\ddot");
-defineSymbol(math, main, accent, "\u007e", "\\tilde");
-defineSymbol(math, main, accent, "\u00af", "\\bar");
-defineSymbol(math, main, accent, "\u02d8", "\\breve");
-defineSymbol(math, main, accent, "\u02c7", "\\check");
-defineSymbol(math, main, accent, "\u005e", "\\hat");
-defineSymbol(math, main, accent, "\u20d7", "\\vec");
-defineSymbol(math, main, accent, "\u02d9", "\\dot");
-defineSymbol(math, main, mathord, "\u0131", "\\imath");
-defineSymbol(math, main, mathord, "\u0237", "\\jmath");
-
-defineSymbol(text, main, textord, "\u2013", "--");
-defineSymbol(text, main, textord, "\u2014", "---");
-defineSymbol(text, main, textord, "\u2018", "`");
-defineSymbol(text, main, textord, "\u2019", "'");
-defineSymbol(text, main, textord, "\u201c", "``");
-defineSymbol(text, main, textord, "\u201d", "''");
-defineSymbol(math, main, textord, "\u00b0", "\\degree");
-defineSymbol(text, main, textord, "\u00b0", "\\degree");
-defineSymbol(math, main, mathord, "\u00a3", "\\pounds");
-defineSymbol(math, ams, textord, "\u2720", "\\maltese");
-defineSymbol(text, ams, textord, "\u2720", "\\maltese");
-
-defineSymbol(text, main, spacing, "\u00a0", "\\ ");
-defineSymbol(text, main, spacing, "\u00a0", " ");
-defineSymbol(text, main, spacing, "\u00a0", "~");
-
-// There are lots of symbols which are the same, so we add them in afterwards.
-var i;
-var ch;
-
-// All of these are textords in math mode
-var mathTextSymbols = "0123456789/@.\"";
-for (i = 0; i < mathTextSymbols.length; i++) {
- ch = mathTextSymbols.charAt(i);
- defineSymbol(math, main, textord, ch, ch);
-}
-
-// All of these are textords in text mode
-var textSymbols = "0123456789!@*()-=+[]\";:?/.,";
-for (i = 0; i < textSymbols.length; i++) {
- ch = textSymbols.charAt(i);
- defineSymbol(text, main, textord, ch, ch);
-}
-
-// All of these are textords in text mode, and mathords in math mode
-var letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
-for (i = 0; i < letters.length; i++) {
- ch = letters.charAt(i);
- defineSymbol(math, main, mathord, ch, ch);
- defineSymbol(text, main, textord, ch, ch);
-}
-
-// Latin-1 letters
-for (i = 0x00C0; i <= 0x00D6; i++) {
- ch = String.fromCharCode(i);
- defineSymbol(text, main, textord, ch, ch);
-}
-
-for (i = 0x00D8; i <= 0x00F6; i++) {
- ch = String.fromCharCode(i);
- defineSymbol(text, main, textord, ch, ch);
-}
-
-for (i = 0x00F8; i <= 0x00FF; i++) {
- ch = String.fromCharCode(i);
- defineSymbol(text, main, textord, ch, ch);
-}
-
-// Cyrillic
-for (i = 0x0410; i <= 0x044F; i++) {
- ch = String.fromCharCode(i);
- defineSymbol(text, main, textord, ch, ch);
-}
-
-// Unicode versions of existing characters
-defineSymbol(text, main, textord, "\u2013", "–");
-defineSymbol(text, main, textord, "\u2014", "—");
-defineSymbol(text, main, textord, "\u2018", "‘");
-defineSymbol(text, main, textord, "\u2019", "’");
-defineSymbol(text, main, textord, "\u201c", "“");
-defineSymbol(text, main, textord, "\u201d", "”");
-});
-
-var domTree$1 = domTree$2;
-var fontMetrics$3 = fontMetrics$1;
-var symbols = symbols$1;
-var utils$2 = utils$4;
-
-var greekCapitals = [
- "\\Gamma",
- "\\Delta",
- "\\Theta",
- "\\Lambda",
- "\\Xi",
- "\\Pi",
- "\\Sigma",
- "\\Upsilon",
- "\\Phi",
- "\\Psi",
- "\\Omega"
-];
-
-// The following have to be loaded from Main-Italic font, using class mainit
-var mainitLetters = [
- "\u0131", // dotless i, \imath
- "\u0237", // dotless j, \jmath
- "\u00a3" // \pounds
-];
-
-/**
- * Makes a symbolNode after translation via the list of symbols in symbols.js.
- * Correctly pulls out metrics for the character, and optionally takes a list of
- * classes to be attached to the node.
- *
- * TODO: make argument order closer to makeSpan
- * TODO: add a separate argument for math class (e.g. `mop`, `mbin`), which
- * should if present come first in `classes`.
- */
-var makeSymbol = function(value, fontFamily, mode, options, classes) {
- // Replace the value with its replaced value from symbol.js
- if (symbols[mode][value] && symbols[mode][value].replace) {
- value = symbols[mode][value].replace;
- }
-
- var metrics = fontMetrics$3.getCharacterMetrics(value, fontFamily);
-
- var symbolNode;
- if (metrics) {
- var italic = metrics.italic;
- if (mode === "text") {
- italic = 0;
- }
- symbolNode = new domTree$1.symbolNode(
- value, metrics.height, metrics.depth, italic, metrics.skew,
- classes);
- } else {
- // TODO(emily): Figure out a good way to only print this in development
- typeof console !== "undefined" && console.warn(
- "No character metrics for '" + value + "' in style '" +
- fontFamily + "'");
- symbolNode = new domTree$1.symbolNode(value, 0, 0, 0, 0, classes);
- }
-
- if (options) {
- if (options.style.isTight()) {
- symbolNode.classes.push("mtight");
- }
- if (options.getColor()) {
- symbolNode.style.color = options.getColor();
- }
- }
-
- return symbolNode;
-};
-
-/**
- * Makes a symbol in Main-Regular or AMS-Regular.
- * Used for rel, bin, open, close, inner, and punct.
- */
-var mathsym = function(value, mode, options, classes) {
- // Decide what font to render the symbol in by its entry in the symbols
- // table.
- // Have a special case for when the value = \ because the \ is used as a
- // textord in unsupported command errors but cannot be parsed as a regular
- // text ordinal and is therefore not present as a symbol in the symbols
- // table for text
- if (value === "\\" || symbols[mode][value].font === "main") {
- return makeSymbol(value, "Main-Regular", mode, options, classes);
- } else {
- return makeSymbol(
- value, "AMS-Regular", mode, options, classes.concat(["amsrm"]));
- }
-};
-
-/**
- * Makes a symbol in the default font for mathords and textords.
- */
-var mathDefault = function(value, mode, options, classes, type) {
- if (type === "mathord") {
- return mathit(value, mode, options, classes);
- } else if (type === "textord") {
- return makeSymbol(
- value, "Main-Regular", mode, options, classes.concat(["mathrm"]));
- } else {
- throw new Error("unexpected type: " + type + " in mathDefault");
- }
-};
-
-/**
- * Makes a symbol in the italic math font.
- */
-var mathit = function(value, mode, options, classes) {
- if (/[0-9]/.test(value.charAt(0)) ||
- // glyphs for \imath and \jmath do not exist in Math-Italic so we
- // need to use Main-Italic instead
- utils$2.contains(mainitLetters, value) ||
- utils$2.contains(greekCapitals, value)) {
- return makeSymbol(
- value, "Main-Italic", mode, options, classes.concat(["mainit"]));
- } else {
- return makeSymbol(
- value, "Math-Italic", mode, options, classes.concat(["mathit"]));
- }
-};
-
-/**
- * Makes either a mathord or textord in the correct font and color.
- */
-var makeOrd = function(group, options, type) {
- var mode = group.mode;
- var value = group.value;
- if (symbols[mode][value] && symbols[mode][value].replace) {
- value = symbols[mode][value].replace;
- }
-
- var classes = ["mord"];
-
- var font = options.font;
- if (font) {
- if (font === "mathit" || utils$2.contains(mainitLetters, value)) {
- return mathit(value, mode, options, classes);
- } else {
- var fontName = fontMap[font].fontName;
- if (fontMetrics$3.getCharacterMetrics(value, fontName)) {
- return makeSymbol(
- value, fontName, mode, options, classes.concat([font]));
- } else {
- return mathDefault(value, mode, options, classes, type);
- }
- }
- } else {
- return mathDefault(value, mode, options, classes, type);
- }
-};
-
-/**
- * Calculate the height, depth, and maxFontSize of an element based on its
- * children.
- */
-var sizeElementFromChildren = function(elem) {
- var height = 0;
- var depth = 0;
- var maxFontSize = 0;
-
- if (elem.children) {
- for (var i = 0; i < elem.children.length; i++) {
- if (elem.children[i].height > height) {
- height = elem.children[i].height;
- }
- if (elem.children[i].depth > depth) {
- depth = elem.children[i].depth;
- }
- if (elem.children[i].maxFontSize > maxFontSize) {
- maxFontSize = elem.children[i].maxFontSize;
- }
- }
- }
-
- elem.height = height;
- elem.depth = depth;
- elem.maxFontSize = maxFontSize;
-};
-
-/**
- * Makes a span with the given list of classes, list of children, and options.
- *
- * TODO: Ensure that `options` is always provided (currently some call sites
- * don't pass it).
- * TODO: add a separate argument for math class (e.g. `mop`, `mbin`), which
- * should if present come first in `classes`.
- */
-var makeSpan$2 = function(classes, children, options) {
- var span = new domTree$1.span(classes, children, options);
-
- sizeElementFromChildren(span);
-
- return span;
-};
-
-/**
- * Prepends the given children to the given span, updating height, depth, and
- * maxFontSize.
- */
-var prependChildren = function(span, children) {
- span.children = children.concat(span.children);
-
- sizeElementFromChildren(span);
-};
-
-/**
- * Makes a document fragment with the given list of children.
- */
-var makeFragment = function(children) {
- var fragment = new domTree$1.documentFragment(children);
-
- sizeElementFromChildren(fragment);
-
- return fragment;
-};
-
-/**
- * Makes an element placed in each of the vlist elements to ensure that each
- * element has the same max font size. To do this, we create a zero-width space
- * with the correct font size.
- */
-var makeFontSizer = function(options, fontSize) {
- var fontSizeInner = makeSpan$2([], [new domTree$1.symbolNode("\u200b")]);
- fontSizeInner.style.fontSize =
- (fontSize / options.style.sizeMultiplier) + "em";
-
- var fontSizer = makeSpan$2(
- ["fontsize-ensurer", "reset-" + options.size, "size5"],
- [fontSizeInner]);
-
- return fontSizer;
-};
-
-/**
- * Makes a vertical list by stacking elements and kerns on top of each other.
- * Allows for many different ways of specifying the positioning method.
- *
- * Arguments:
- * - children: A list of child or kern nodes to be stacked on top of each other
- * (i.e. the first element will be at the bottom, and the last at
- * the top). Element nodes are specified as
- * {type: "elem", elem: node}
- * while kern nodes are specified as
- * {type: "kern", size: size}
- * - positionType: The method by which the vlist should be positioned. Valid
- * values are:
- * - "individualShift": The children list only contains elem
- * nodes, and each node contains an extra
- * "shift" value of how much it should be
- * shifted (note that shifting is always
- * moving downwards). positionData is
- * ignored.
- * - "top": The positionData specifies the topmost point of
- * the vlist (note this is expected to be a height,
- * so positive values move up)
- * - "bottom": The positionData specifies the bottommost point
- * of the vlist (note this is expected to be a
- * depth, so positive values move down
- * - "shift": The vlist will be positioned such that its
- * baseline is positionData away from the baseline
- * of the first child. Positive values move
- * downwards.
- * - "firstBaseline": The vlist will be positioned such that
- * its baseline is aligned with the
- * baseline of the first child.
- * positionData is ignored. (this is
- * equivalent to "shift" with
- * positionData=0)
- * - positionData: Data used in different ways depending on positionType
- * - options: An Options object
- *
- */
-var makeVList = function(children, positionType, positionData, options) {
- var depth;
- var currPos;
- var i;
- if (positionType === "individualShift") {
- var oldChildren = children;
- children = [oldChildren[0]];
-
- // Add in kerns to the list of children to get each element to be
- // shifted to the correct specified shift
- depth = -oldChildren[0].shift - oldChildren[0].elem.depth;
- currPos = depth;
- for (i = 1; i < oldChildren.length; i++) {
- var diff = -oldChildren[i].shift - currPos -
- oldChildren[i].elem.depth;
- var size = diff -
- (oldChildren[i - 1].elem.height +
- oldChildren[i - 1].elem.depth);
-
- currPos = currPos + diff;
-
- children.push({type: "kern", size: size});
- children.push(oldChildren[i]);
- }
- } else if (positionType === "top") {
- // We always start at the bottom, so calculate the bottom by adding up
- // all the sizes
- var bottom = positionData;
- for (i = 0; i < children.length; i++) {
- if (children[i].type === "kern") {
- bottom -= children[i].size;
- } else {
- bottom -= children[i].elem.height + children[i].elem.depth;
- }
- }
- depth = bottom;
- } else if (positionType === "bottom") {
- depth = -positionData;
- } else if (positionType === "shift") {
- depth = -children[0].elem.depth - positionData;
- } else if (positionType === "firstBaseline") {
- depth = -children[0].elem.depth;
- } else {
- depth = 0;
- }
-
- // Make the fontSizer
- var maxFontSize = 0;
- for (i = 0; i < children.length; i++) {
- if (children[i].type === "elem") {
- maxFontSize = Math.max(maxFontSize, children[i].elem.maxFontSize);
- }
- }
- var fontSizer = makeFontSizer(options, maxFontSize);
-
- // Create a new list of actual children at the correct offsets
- var realChildren = [];
- currPos = depth;
- for (i = 0; i < children.length; i++) {
- if (children[i].type === "kern") {
- currPos += children[i].size;
- } else {
- var child = children[i].elem;
-
- var shift = -child.depth - currPos;
- currPos += child.height + child.depth;
-
- var childWrap = makeSpan$2([], [fontSizer, child]);
- childWrap.height -= shift;
- childWrap.depth += shift;
- childWrap.style.top = shift + "em";
-
- realChildren.push(childWrap);
- }
- }
-
- // Add in an element at the end with no offset to fix the calculation of
- // baselines in some browsers (namely IE, sometimes safari)
- var baselineFix = makeSpan$2(
- ["baseline-fix"], [fontSizer, new domTree$1.symbolNode("\u200b")]);
- realChildren.push(baselineFix);
-
- var vlist = makeSpan$2(["vlist"], realChildren);
- // Fix the final height and depth, in case there were kerns at the ends
- // since the makeSpan calculation won't take that in to account.
- vlist.height = Math.max(currPos, vlist.height);
- vlist.depth = Math.max(-depth, vlist.depth);
- return vlist;
-};
-
-// A table of size -> font size for the different sizing functions
-var sizingMultiplier = {
- size1: 0.5,
- size2: 0.7,
- size3: 0.8,
- size4: 0.9,
- size5: 1.0,
- size6: 1.2,
- size7: 1.44,
- size8: 1.73,
- size9: 2.07,
- size10: 2.49
-};
-
-// A map of spacing functions to their attributes, like size and corresponding
-// CSS class
-var spacingFunctions = {
- "\\qquad": {
- size: "2em",
- className: "qquad"
- },
- "\\quad": {
- size: "1em",
- className: "quad"
- },
- "\\enspace": {
- size: "0.5em",
- className: "enspace"
- },
- "\\;": {
- size: "0.277778em",
- className: "thickspace"
- },
- "\\:": {
- size: "0.22222em",
- className: "mediumspace"
- },
- "\\,": {
- size: "0.16667em",
- className: "thinspace"
- },
- "\\!": {
- size: "-0.16667em",
- className: "negativethinspace"
- }
-};
-
-/**
- * Maps TeX font commands to objects containing:
- * - variant: string used for "mathvariant" attribute in buildMathML.js
- * - fontName: the "style" parameter to fontMetrics.getCharacterMetrics
- */
-// A map between tex font commands an MathML mathvariant attribute values
-var fontMap = {
- // styles
- "mathbf": {
- variant: "bold",
- fontName: "Main-Bold"
- },
- "mathrm": {
- variant: "normal",
- fontName: "Main-Regular"
- },
- "textit": {
- variant: "italic",
- fontName: "Main-Italic"
- },
-
- // "mathit" is missing because it requires the use of two fonts: Main-Italic
- // and Math-Italic. This is handled by a special case in makeOrd which ends
- // up calling mathit.
-
- // families
- "mathbb": {
- variant: "double-struck",
- fontName: "AMS-Regular"
- },
- "mathcal": {
- variant: "script",
- fontName: "Caligraphic-Regular"
- },
- "mathfrak": {
- variant: "fraktur",
- fontName: "Fraktur-Regular"
- },
- "mathscr": {
- variant: "script",
- fontName: "Script-Regular"
- },
- "mathsf": {
- variant: "sans-serif",
- fontName: "SansSerif-Regular"
- },
- "mathtt": {
- variant: "monospace",
- fontName: "Typewriter-Regular"
- }
-};
-
-var buildCommon$2 = {
- fontMap: fontMap,
- makeSymbol: makeSymbol,
- mathsym: mathsym,
- makeSpan: makeSpan$2,
- makeFragment: makeFragment,
- makeVList: makeVList,
- makeOrd: makeOrd,
- prependChildren: prependChildren,
- sizingMultiplier: sizingMultiplier,
- spacingFunctions: spacingFunctions
-};
-
-var ParseError$3 = ParseError_1;
-var Style$4 = Style_1;
-
-var buildCommon$4 = buildCommon$2;
-var fontMetrics$4 = fontMetrics$1;
-var symbols$3 = symbols$1;
-var utils$6 = utils$4;
-
-var makeSpan$3 = buildCommon$4.makeSpan;
-
-/**
- * Get the metrics for a given symbol and font, after transformation (i.e.
- * after following replacement from symbols.js)
- */
-var getMetrics = function(symbol, font) {
- if (symbols$3.math[symbol] && symbols$3.math[symbol].replace) {
- return fontMetrics$4.getCharacterMetrics(
- symbols$3.math[symbol].replace, font);
- } else {
- return fontMetrics$4.getCharacterMetrics(
- symbol, font);
- }
-};
-
-/**
- * Builds a symbol in the given font size (note size is an integer)
- */
-var mathrmSize = function(value, size, mode, options) {
- return buildCommon$4.makeSymbol(value, "Size" + size + "-Regular",
- mode, options);
-};
-
-/**
- * Puts a delimiter span in a given style, and adds appropriate height, depth,
- * and maxFontSizes.
- */
-var styleWrap = function(delim, toStyle, options, classes) {
- classes = classes || [];
- var span = makeSpan$3(
- classes.concat(["style-wrap", options.style.reset(), toStyle.cls()]),
- [delim], options);
-
- var multiplier = toStyle.sizeMultiplier / options.style.sizeMultiplier;
-
- span.height *= multiplier;
- span.depth *= multiplier;
- span.maxFontSize = toStyle.sizeMultiplier;
-
- return span;
-};
-
-/**
- * Makes a small delimiter. This is a delimiter that comes in the Main-Regular
- * font, but is restyled to either be in textstyle, scriptstyle, or
- * scriptscriptstyle.
- */
-var makeSmallDelim = function(delim, style, center, options, mode, classes) {
- var text = buildCommon$4.makeSymbol(delim, "Main-Regular", mode, options);
-
- var span = styleWrap(text, style, options, classes);
-
- if (center) {
- var shift =
- (1 - options.style.sizeMultiplier / style.sizeMultiplier) *
- options.style.metrics.axisHeight;
-
- span.style.top = shift + "em";
- span.height -= shift;
- span.depth += shift;
- }
-
- return span;
-};
-
-/**
- * Makes a large delimiter. This is a delimiter that comes in the Size1, Size2,
- * Size3, or Size4 fonts. It is always rendered in textstyle.
- */
-var makeLargeDelim = function(delim, size, center, options, mode, classes) {
- var inner = mathrmSize(delim, size, mode, options);
-
- var span = styleWrap(
- makeSpan$3(["delimsizing", "size" + size], [inner], options),
- Style$4.TEXT, options, classes);
-
- if (center) {
- var shift = (1 - options.style.sizeMultiplier) *
- options.style.metrics.axisHeight;
-
- span.style.top = shift + "em";
- span.height -= shift;
- span.depth += shift;
- }
-
- return span;
-};
-
-/**
- * Make an inner span with the given offset and in the given font. This is used
- * in `makeStackedDelim` to make the stacking pieces for the delimiter.
- */
-var makeInner = function(symbol, font, mode) {
- var sizeClass;
- // Apply the correct CSS class to choose the right font.
- if (font === "Size1-Regular") {
- sizeClass = "delim-size1";
- } else if (font === "Size4-Regular") {
- sizeClass = "delim-size4";
- }
-
- var inner = makeSpan$3(
- ["delimsizinginner", sizeClass],
- [makeSpan$3([], [buildCommon$4.makeSymbol(symbol, font, mode)])]);
-
- // Since this will be passed into `makeVList` in the end, wrap the element
- // in the appropriate tag that VList uses.
- return {type: "elem", elem: inner};
-};
-
-/**
- * Make a stacked delimiter out of a given delimiter, with the total height at
- * least `heightTotal`. This routine is mentioned on page 442 of the TeXbook.
- */
-var makeStackedDelim = function(delim, heightTotal, center, options, mode,
- classes) {
- // There are four parts, the top, an optional middle, a repeated part, and a
- // bottom.
- var top;
- var middle;
- var repeat;
- var bottom;
- top = repeat = bottom = delim;
- middle = null;
- // Also keep track of what font the delimiters are in
- var font = "Size1-Regular";
-
- // We set the parts and font based on the symbol. Note that we use
- // '\u23d0' instead of '|' and '\u2016' instead of '\\|' for the
- // repeats of the arrows
- if (delim === "\\uparrow") {
- repeat = bottom = "\u23d0";
- } else if (delim === "\\Uparrow") {
- repeat = bottom = "\u2016";
- } else if (delim === "\\downarrow") {
- top = repeat = "\u23d0";
- } else if (delim === "\\Downarrow") {
- top = repeat = "\u2016";
- } else if (delim === "\\updownarrow") {
- top = "\\uparrow";
- repeat = "\u23d0";
- bottom = "\\downarrow";
- } else if (delim === "\\Updownarrow") {
- top = "\\Uparrow";
- repeat = "\u2016";
- bottom = "\\Downarrow";
- } else if (delim === "[" || delim === "\\lbrack") {
- top = "\u23a1";
- repeat = "\u23a2";
- bottom = "\u23a3";
- font = "Size4-Regular";
- } else if (delim === "]" || delim === "\\rbrack") {
- top = "\u23a4";
- repeat = "\u23a5";
- bottom = "\u23a6";
- font = "Size4-Regular";
- } else if (delim === "\\lfloor") {
- repeat = top = "\u23a2";
- bottom = "\u23a3";
- font = "Size4-Regular";
- } else if (delim === "\\lceil") {
- top = "\u23a1";
- repeat = bottom = "\u23a2";
- font = "Size4-Regular";
- } else if (delim === "\\rfloor") {
- repeat = top = "\u23a5";
- bottom = "\u23a6";
- font = "Size4-Regular";
- } else if (delim === "\\rceil") {
- top = "\u23a4";
- repeat = bottom = "\u23a5";
- font = "Size4-Regular";
- } else if (delim === "(") {
- top = "\u239b";
- repeat = "\u239c";
- bottom = "\u239d";
- font = "Size4-Regular";
- } else if (delim === ")") {
- top = "\u239e";
- repeat = "\u239f";
- bottom = "\u23a0";
- font = "Size4-Regular";
- } else if (delim === "\\{" || delim === "\\lbrace") {
- top = "\u23a7";
- middle = "\u23a8";
- bottom = "\u23a9";
- repeat = "\u23aa";
- font = "Size4-Regular";
- } else if (delim === "\\}" || delim === "\\rbrace") {
- top = "\u23ab";
- middle = "\u23ac";
- bottom = "\u23ad";
- repeat = "\u23aa";
- font = "Size4-Regular";
- } else if (delim === "\\lgroup") {
- top = "\u23a7";
- bottom = "\u23a9";
- repeat = "\u23aa";
- font = "Size4-Regular";
- } else if (delim === "\\rgroup") {
- top = "\u23ab";
- bottom = "\u23ad";
- repeat = "\u23aa";
- font = "Size4-Regular";
- } else if (delim === "\\lmoustache") {
- top = "\u23a7";
- bottom = "\u23ad";
- repeat = "\u23aa";
- font = "Size4-Regular";
- } else if (delim === "\\rmoustache") {
- top = "\u23ab";
- bottom = "\u23a9";
- repeat = "\u23aa";
- font = "Size4-Regular";
- } else if (delim === "\\surd") {
- top = "\ue001";
- bottom = "\u23b7";
- repeat = "\ue000";
- font = "Size4-Regular";
- }
-
- // Get the metrics of the four sections
- var topMetrics = getMetrics(top, font);
- var topHeightTotal = topMetrics.height + topMetrics.depth;
- var repeatMetrics = getMetrics(repeat, font);
- var repeatHeightTotal = repeatMetrics.height + repeatMetrics.depth;
- var bottomMetrics = getMetrics(bottom, font);
- var bottomHeightTotal = bottomMetrics.height + bottomMetrics.depth;
- var middleHeightTotal = 0;
- var middleFactor = 1;
- if (middle !== null) {
- var middleMetrics = getMetrics(middle, font);
- middleHeightTotal = middleMetrics.height + middleMetrics.depth;
- middleFactor = 2; // repeat symmetrically above and below middle
- }
-
- // Calcuate the minimal height that the delimiter can have.
- // It is at least the size of the top, bottom, and optional middle combined.
- var minHeight = topHeightTotal + bottomHeightTotal + middleHeightTotal;
-
- // Compute the number of copies of the repeat symbol we will need
- var repeatCount = Math.ceil(
- (heightTotal - minHeight) / (middleFactor * repeatHeightTotal));
-
- // Compute the total height of the delimiter including all the symbols
- var realHeightTotal =
- minHeight + repeatCount * middleFactor * repeatHeightTotal;
-
- // The center of the delimiter is placed at the center of the axis. Note
- // that in this context, "center" means that the delimiter should be
- // centered around the axis in the current style, while normally it is
- // centered around the axis in textstyle.
- var axisHeight = options.style.metrics.axisHeight;
- if (center) {
- axisHeight *= options.style.sizeMultiplier;
- }
- // Calculate the depth
- var depth = realHeightTotal / 2 - axisHeight;
-
- // Now, we start building the pieces that will go into the vlist
-
- // Keep a list of the inner pieces
- var inners = [];
-
- // Add the bottom symbol
- inners.push(makeInner(bottom, font, mode));
-
- var i;
- if (middle === null) {
- // Add that many symbols
- for (i = 0; i < repeatCount; i++) {
- inners.push(makeInner(repeat, font, mode));
- }
- } else {
- // When there is a middle bit, we need the middle part and two repeated
- // sections
- for (i = 0; i < repeatCount; i++) {
- inners.push(makeInner(repeat, font, mode));
- }
- inners.push(makeInner(middle, font, mode));
- for (i = 0; i < repeatCount; i++) {
- inners.push(makeInner(repeat, font, mode));
- }
- }
-
- // Add the top symbol
- inners.push(makeInner(top, font, mode));
-
- // Finally, build the vlist
- var inner = buildCommon$4.makeVList(inners, "bottom", depth, options);
-
- return styleWrap(
- makeSpan$3(["delimsizing", "mult"], [inner], options),
- Style$4.TEXT, options, classes);
-};
-
-// There are three kinds of delimiters, delimiters that stack when they become
-// too large
-var stackLargeDelimiters = [
- "(", ")", "[", "\\lbrack", "]", "\\rbrack",
- "\\{", "\\lbrace", "\\}", "\\rbrace",
- "\\lfloor", "\\rfloor", "\\lceil", "\\rceil",
- "\\surd"
-];
-
-// delimiters that always stack
-var stackAlwaysDelimiters = [
- "\\uparrow", "\\downarrow", "\\updownarrow",
- "\\Uparrow", "\\Downarrow", "\\Updownarrow",
- "|", "\\|", "\\vert", "\\Vert",
- "\\lvert", "\\rvert", "\\lVert", "\\rVert",
- "\\lgroup", "\\rgroup", "\\lmoustache", "\\rmoustache"
-];
-
-// and delimiters that never stack
-var stackNeverDelimiters = [
- "<", ">", "\\langle", "\\rangle", "/", "\\backslash", "\\lt", "\\gt"
-];
-
-// Metrics of the different sizes. Found by looking at TeX's output of
-// $\bigl| // \Bigl| \biggl| \Biggl| \showlists$
-// Used to create stacked delimiters of appropriate sizes in makeSizedDelim.
-var sizeToMaxHeight = [0, 1.2, 1.8, 2.4, 3.0];
-
-/**
- * Used to create a delimiter of a specific size, where `size` is 1, 2, 3, or 4.
- */
-var makeSizedDelim = function(delim, size, options, mode, classes) {
- // < and > turn into \langle and \rangle in delimiters
- if (delim === "<" || delim === "\\lt") {
- delim = "\\langle";
- } else if (delim === ">" || delim === "\\gt") {
- delim = "\\rangle";
- }
-
- // Sized delimiters are never centered.
- if (utils$6.contains(stackLargeDelimiters, delim) ||
- utils$6.contains(stackNeverDelimiters, delim)) {
- return makeLargeDelim(delim, size, false, options, mode, classes);
- } else if (utils$6.contains(stackAlwaysDelimiters, delim)) {
- return makeStackedDelim(
- delim, sizeToMaxHeight[size], false, options, mode, classes);
- } else {
- throw new ParseError$3("Illegal delimiter: '" + delim + "'");
- }
-};
-
-/**
- * There are three different sequences of delimiter sizes that the delimiters
- * follow depending on the kind of delimiter. This is used when creating custom
- * sized delimiters to decide whether to create a small, large, or stacked
- * delimiter.
- *
- * In real TeX, these sequences aren't explicitly defined, but are instead
- * defined inside the font metrics. Since there are only three sequences that
- * are possible for the delimiters that TeX defines, it is easier to just encode
- * them explicitly here.
- */
-
-// Delimiters that never stack try small delimiters and large delimiters only
-var stackNeverDelimiterSequence = [
- {type: "small", style: Style$4.SCRIPTSCRIPT},
- {type: "small", style: Style$4.SCRIPT},
- {type: "small", style: Style$4.TEXT},
- {type: "large", size: 1},
- {type: "large", size: 2},
- {type: "large", size: 3},
- {type: "large", size: 4}
-];
-
-// Delimiters that always stack try the small delimiters first, then stack
-var stackAlwaysDelimiterSequence = [
- {type: "small", style: Style$4.SCRIPTSCRIPT},
- {type: "small", style: Style$4.SCRIPT},
- {type: "small", style: Style$4.TEXT},
- {type: "stack"}
-];
-
-// Delimiters that stack when large try the small and then large delimiters, and
-// stack afterwards
-var stackLargeDelimiterSequence = [
- {type: "small", style: Style$4.SCRIPTSCRIPT},
- {type: "small", style: Style$4.SCRIPT},
- {type: "small", style: Style$4.TEXT},
- {type: "large", size: 1},
- {type: "large", size: 2},
- {type: "large", size: 3},
- {type: "large", size: 4},
- {type: "stack"}
-];
-
-/**
- * Get the font used in a delimiter based on what kind of delimiter it is.
- */
-var delimTypeToFont = function(type) {
- if (type.type === "small") {
- return "Main-Regular";
- } else if (type.type === "large") {
- return "Size" + type.size + "-Regular";
- } else if (type.type === "stack") {
- return "Size4-Regular";
- }
-};
-
-/**
- * Traverse a sequence of types of delimiters to decide what kind of delimiter
- * should be used to create a delimiter of the given height+depth.
- */
-var traverseSequence = function(delim, height, sequence, options) {
- // Here, we choose the index we should start at in the sequences. In smaller
- // sizes (which correspond to larger numbers in style.size) we start earlier
- // in the sequence. Thus, scriptscript starts at index 3-3=0, script starts
- // at index 3-2=1, text starts at 3-1=2, and display starts at min(2,3-0)=2
- var start = Math.min(2, 3 - options.style.size);
- for (var i = start; i < sequence.length; i++) {
- if (sequence[i].type === "stack") {
- // This is always the last delimiter, so we just break the loop now.
- break;
- }
-
- var metrics = getMetrics(delim, delimTypeToFont(sequence[i]));
- var heightDepth = metrics.height + metrics.depth;
-
- // Small delimiters are scaled down versions of the same font, so we
- // account for the style change size.
-
- if (sequence[i].type === "small") {
- heightDepth *= sequence[i].style.sizeMultiplier;
- }
-
- // Check if the delimiter at this size works for the given height.
- if (heightDepth > height) {
- return sequence[i];
- }
- }
-
- // If we reached the end of the sequence, return the last sequence element.
- return sequence[sequence.length - 1];
-};
-
-/**
- * Make a delimiter of a given height+depth, with optional centering. Here, we
- * traverse the sequences, and create a delimiter that the sequence tells us to.
- */
-var makeCustomSizedDelim = function(delim, height, center, options, mode,
- classes) {
- if (delim === "<" || delim === "\\lt") {
- delim = "\\langle";
- } else if (delim === ">" || delim === "\\gt") {
- delim = "\\rangle";
- }
-
- // Decide what sequence to use
- var sequence;
- if (utils$6.contains(stackNeverDelimiters, delim)) {
- sequence = stackNeverDelimiterSequence;
- } else if (utils$6.contains(stackLargeDelimiters, delim)) {
- sequence = stackLargeDelimiterSequence;
- } else {
- sequence = stackAlwaysDelimiterSequence;
- }
-
- // Look through the sequence
- var delimType = traverseSequence(delim, height, sequence, options);
-
- // Depending on the sequence element we decided on, call the appropriate
- // function.
- if (delimType.type === "small") {
- return makeSmallDelim(delim, delimType.style, center, options, mode,
- classes);
- } else if (delimType.type === "large") {
- return makeLargeDelim(delim, delimType.size, center, options, mode,
- classes);
- } else if (delimType.type === "stack") {
- return makeStackedDelim(delim, height, center, options, mode, classes);
- }
-};
-
-/**
- * Make a delimiter for use with `\left` and `\right`, given a height and depth
- * of an expression that the delimiters surround.
- */
-var makeLeftRightDelim = function(delim, height, depth, options, mode,
- classes) {
- // We always center \left/\right delimiters, so the axis is always shifted
- var axisHeight =
- options.style.metrics.axisHeight * options.style.sizeMultiplier;
-
- // Taken from TeX source, tex.web, function make_left_right
- var delimiterFactor = 901;
- var delimiterExtend = 5.0 / fontMetrics$4.metrics.ptPerEm;
-
- var maxDistFromAxis = Math.max(
- height - axisHeight, depth + axisHeight);
-
- var totalHeight = Math.max(
- // In real TeX, calculations are done using integral values which are
- // 65536 per pt, or 655360 per em. So, the division here truncates in
- // TeX but doesn't here, producing different results. If we wanted to
- // exactly match TeX's calculation, we could do
- // Math.floor(655360 * maxDistFromAxis / 500) *
- // delimiterFactor / 655360
- // (To see the difference, compare
- // x^{x^{\left(\rule{0.1em}{0.68em}\right)}}
- // in TeX and KaTeX)
- maxDistFromAxis / 500 * delimiterFactor,
- 2 * maxDistFromAxis - delimiterExtend);
-
- // Finally, we defer to `makeCustomSizedDelim` with our calculated total
- // height
- return makeCustomSizedDelim(delim, totalHeight, true, options, mode,
- classes);
-};
-
-var delimiter$1 = {
- sizedDelim: makeSizedDelim,
- customSizedDelim: makeCustomSizedDelim,
- leftRightDelim: makeLeftRightDelim
-};
-
-var ParseError$2 = ParseError_1;
-var Style$1 = Style_1;
-
-var buildCommon$1 = buildCommon$2;
-var delimiter = delimiter$1;
-var domTree = domTree$2;
-var fontMetrics = fontMetrics$1;
-var utils$1 = utils$4;
-
-var makeSpan$1 = buildCommon$1.makeSpan;
-
-var isSpace = function(node) {
- return node instanceof domTree.span && node.classes[0] === "mspace";
-};
-
-// Binary atoms (first class `mbin`) change into ordinary atoms (`mord`)
-// depending on their surroundings. See TeXbook pg. 442-446, Rules 5 and 6,
-// and the text before Rule 19.
-
-var isBin = function(node) {
- return node && node.classes[0] === "mbin";
-};
-
-var isBinLeftCanceller = function(node, isRealGroup) {
- // TODO: This code assumes that a node's math class is the first element
- // of its `classes` array. A later cleanup should ensure this, for
- // instance by changing the signature of `makeSpan`.
- if (node) {
- return utils$1.contains(["mbin", "mopen", "mrel", "mop", "mpunct"],
- node.classes[0]);
- } else {
- return isRealGroup;
- }
-};
-
-var isBinRightCanceller = function(node, isRealGroup) {
- if (node) {
- return utils$1.contains(["mrel", "mclose", "mpunct"], node.classes[0]);
- } else {
- return isRealGroup;
- }
-};
-
-/**
- * Take a list of nodes, build them in order, and return a list of the built
- * nodes. documentFragments are flattened into their contents, so the
- * returned list contains no fragments. `isRealGroup` is true if `expression`
- * is a real group (no atoms will be added on either side), as opposed to
- * a partial group (e.g. one created by \color).
- */
-var buildExpression = function(expression, options, isRealGroup) {
- // Parse expressions into `groups`.
- var groups = [];
- for (var i = 0; i < expression.length; i++) {
- var group = expression[i];
- var output = buildGroup(group, options);
- if (output instanceof domTree.documentFragment) {
- Array.prototype.push.apply(groups, output.children);
- } else {
- groups.push(output);
- }
- }
- // At this point `groups` consists entirely of `symbolNode`s and `span`s.
-
- // Explicit spaces (e.g., \;, \,) should be ignored with respect to atom
- // spacing (e.g., "add thick space between mord and mrel"). Since CSS
- // adjacency rules implement atom spacing, spaces should be invisible to
- // CSS. So we splice them out of `groups` and into the atoms themselves.
- var spaces = null;
- for (i = 0; i < groups.length; i++) {
- if (isSpace(groups[i])) {
- spaces = spaces || [];
- spaces.push(groups[i]);
- groups.splice(i, 1);
- i--;
- } else if (spaces) {
- if (groups[i] instanceof domTree.symbolNode) {
- groups[i] = makeSpan$1([].concat(groups[i].classes), [groups[i]]);
- }
- buildCommon$1.prependChildren(groups[i], spaces);
- spaces = null;
- }
- }
- if (spaces) {
- Array.prototype.push.apply(groups, spaces);
- }
-
- // Binary operators change to ordinary symbols in some contexts.
- for (i = 0; i < groups.length; i++) {
- if (isBin(groups[i])
- && (isBinLeftCanceller(groups[i - 1], isRealGroup)
- || isBinRightCanceller(groups[i + 1], isRealGroup))) {
- groups[i].classes[0] = "mord";
- }
- }
-
- return groups;
-};
-
-// Return math atom class (mclass) of a domTree.
-var getTypeOfDomTree = function(node) {
- if (node instanceof domTree.documentFragment) {
- if (node.children.length) {
- return getTypeOfDomTree(
- node.children[node.children.length - 1]);
- }
- } else {
- if (utils$1.contains(["mord", "mop", "mbin", "mrel", "mopen", "mclose",
- "mpunct", "minner"], node.classes[0])) {
- return node.classes[0];
- }
- }
- return null;
-};
-
-/**
- * Sometimes, groups perform special rules when they have superscripts or
- * subscripts attached to them. This function lets the `supsub` group know that
- * its inner element should handle the superscripts and subscripts instead of
- * handling them itself.
- */
-var shouldHandleSupSub = function(group, options) {
- if (!group) {
- return false;
- } else if (group.type === "op") {
- // Operators handle supsubs differently when they have limits
- // (e.g. `\displaystyle\sum_2^3`)
- return group.value.limits &&
- (options.style.size === Style$1.DISPLAY.size ||
- group.value.alwaysHandleSupSub);
- } else if (group.type === "accent") {
- return isCharacterBox(group.value.base);
- } else {
- return null;
- }
-};
-
-/**
- * Sometimes we want to pull out the innermost element of a group. In most
- * cases, this will just be the group itself, but when ordgroups and colors have
- * a single element, we want to pull that out.
- */
-var getBaseElem = function(group) {
- if (!group) {
- return false;
- } else if (group.type === "ordgroup") {
- if (group.value.length === 1) {
- return getBaseElem(group.value[0]);
- } else {
- return group;
- }
- } else if (group.type === "color") {
- if (group.value.value.length === 1) {
- return getBaseElem(group.value.value[0]);
- } else {
- return group;
- }
- } else if (group.type === "font") {
- return getBaseElem(group.value.body);
- } else {
- return group;
- }
-};
-
-/**
- * TeXbook algorithms often reference "character boxes", which are simply groups
- * with a single character in them. To decide if something is a character box,
- * we find its innermost group, and see if it is a single character.
- */
-var isCharacterBox = function(group) {
- var baseElem = getBaseElem(group);
-
- // These are all they types of groups which hold single characters
- return baseElem.type === "mathord" ||
- baseElem.type === "textord" ||
- baseElem.type === "bin" ||
- baseElem.type === "rel" ||
- baseElem.type === "inner" ||
- baseElem.type === "open" ||
- baseElem.type === "close" ||
- baseElem.type === "punct";
-};
-
-var makeNullDelimiter = function(options, classes) {
- return makeSpan$1(classes.concat([
- "sizing", "reset-" + options.size, "size5",
- options.style.reset(), Style$1.TEXT.cls(),
- "nulldelimiter"]));
-};
-
-/**
- * This is a map of group types to the function used to handle that type.
- * Simpler types come at the beginning, while complicated types come afterwards.
- */
-var groupTypes = {};
-
-groupTypes.mathord = function(group, options) {
- return buildCommon$1.makeOrd(group, options, "mathord");
-};
-
-groupTypes.textord = function(group, options) {
- return buildCommon$1.makeOrd(group, options, "textord");
-};
-
-groupTypes.bin = function(group, options) {
- return buildCommon$1.mathsym(
- group.value, group.mode, options, ["mbin"]);
-};
-
-groupTypes.rel = function(group, options) {
- return buildCommon$1.mathsym(
- group.value, group.mode, options, ["mrel"]);
-};
-
-groupTypes.open = function(group, options) {
- return buildCommon$1.mathsym(
- group.value, group.mode, options, ["mopen"]);
-};
-
-groupTypes.close = function(group, options) {
- return buildCommon$1.mathsym(
- group.value, group.mode, options, ["mclose"]);
-};
-
-groupTypes.inner = function(group, options) {
- return buildCommon$1.mathsym(
- group.value, group.mode, options, ["minner"]);
-};
-
-groupTypes.punct = function(group, options) {
- return buildCommon$1.mathsym(
- group.value, group.mode, options, ["mpunct"]);
-};
-
-groupTypes.ordgroup = function(group, options) {
- return makeSpan$1(
- ["mord", options.style.cls()],
- buildExpression(group.value, options.reset(), true),
- options
- );
-};
-
-groupTypes.text = function(group, options) {
- var newOptions = options.withFont(group.value.style);
- var inner = buildExpression(group.value.body, newOptions, true);
- for (var i = 0; i < inner.length - 1; i++) {
- if (inner[i].tryCombine(inner[i + 1])) {
- inner.splice(i + 1, 1);
- i--;
- }
- }
- return makeSpan$1(["mord", "text", newOptions.style.cls()],
- inner, newOptions);
-};
-
-groupTypes.color = function(group, options) {
- var elements = buildExpression(
- group.value.value,
- options.withColor(group.value.color),
- false
- );
-
- // \color isn't supposed to affect the type of the elements it contains.
- // To accomplish this, we wrap the results in a fragment, so the inner
- // elements will be able to directly interact with their neighbors. For
- // example, `\color{red}{2 +} 3` has the same spacing as `2 + 3`
- return new buildCommon$1.makeFragment(elements);
-};
-
-groupTypes.supsub = function(group, options) {
- // Superscript and subscripts are handled in the TeXbook on page
- // 445-446, rules 18(a-f).
-
- // Here is where we defer to the inner group if it should handle
- // superscripts and subscripts itself.
- if (shouldHandleSupSub(group.value.base, options)) {
- return groupTypes[group.value.base.type](group, options);
- }
-
- var base = buildGroup(group.value.base, options.reset());
- var supmid;
- var submid;
- var sup;
- var sub;
-
- var style = options.style;
- var newOptions;
-
- if (group.value.sup) {
- newOptions = options.withStyle(style.sup());
- sup = buildGroup(group.value.sup, newOptions);
- supmid = makeSpan$1([style.reset(), style.sup().cls()],
- [sup], newOptions);
- }
-
- if (group.value.sub) {
- newOptions = options.withStyle(style.sub());
- sub = buildGroup(group.value.sub, newOptions);
- submid = makeSpan$1([style.reset(), style.sub().cls()],
- [sub], newOptions);
- }
-
- // Rule 18a
- var supShift;
- var subShift;
- if (isCharacterBox(group.value.base)) {
- supShift = 0;
- subShift = 0;
- } else {
- supShift = base.height - style.metrics.supDrop;
- subShift = base.depth + style.metrics.subDrop;
- }
-
- // Rule 18c
- var minSupShift;
- if (style === Style$1.DISPLAY) {
- minSupShift = style.metrics.sup1;
- } else if (style.cramped) {
- minSupShift = style.metrics.sup3;
- } else {
- minSupShift = style.metrics.sup2;
- }
-
- // scriptspace is a font-size-independent size, so scale it
- // appropriately
- var multiplier = Style$1.TEXT.sizeMultiplier *
- style.sizeMultiplier;
- var scriptspace =
- (0.5 / fontMetrics.metrics.ptPerEm) / multiplier + "em";
-
- var supsub;
- if (!group.value.sup) {
- // Rule 18b
- subShift = Math.max(
- subShift, style.metrics.sub1,
- sub.height - 0.8 * style.metrics.xHeight);
-
- supsub = buildCommon$1.makeVList([
- {type: "elem", elem: submid}
- ], "shift", subShift, options);
-
- supsub.children[0].style.marginRight = scriptspace;
-
- // Subscripts shouldn't be shifted by the base's italic correction.
- // Account for that by shifting the subscript back the appropriate
- // amount. Note we only do this when the base is a single symbol.
- if (base instanceof domTree.symbolNode) {
- supsub.children[0].style.marginLeft = -base.italic + "em";
- }
- } else if (!group.value.sub) {
- // Rule 18c, d
- supShift = Math.max(supShift, minSupShift,
- sup.depth + 0.25 * style.metrics.xHeight);
-
- supsub = buildCommon$1.makeVList([
- {type: "elem", elem: supmid}
- ], "shift", -supShift, options);
-
- supsub.children[0].style.marginRight = scriptspace;
- } else {
- supShift = Math.max(
- supShift, minSupShift, sup.depth + 0.25 * style.metrics.xHeight);
- subShift = Math.max(subShift, style.metrics.sub2);
-
- var ruleWidth = fontMetrics.metrics.defaultRuleThickness;
-
- // Rule 18e
- if ((supShift - sup.depth) - (sub.height - subShift) <
- 4 * ruleWidth) {
- subShift = 4 * ruleWidth - (supShift - sup.depth) + sub.height;
- var psi = 0.8 * style.metrics.xHeight - (supShift - sup.depth);
- if (psi > 0) {
- supShift += psi;
- subShift -= psi;
- }
- }
-
- supsub = buildCommon$1.makeVList([
- {type: "elem", elem: submid, shift: subShift},
- {type: "elem", elem: supmid, shift: -supShift}
- ], "individualShift", null, options);
-
- // See comment above about subscripts not being shifted
- if (base instanceof domTree.symbolNode) {
- supsub.children[0].style.marginLeft = -base.italic + "em";
- }
-
- supsub.children[0].style.marginRight = scriptspace;
- supsub.children[1].style.marginRight = scriptspace;
- }
-
- // We ensure to wrap the supsub vlist in a span.msupsub to reset text-align
- var mclass = getTypeOfDomTree(base) || "mord";
- return makeSpan$1([mclass],
- [base, makeSpan$1(["msupsub"], [supsub])],
- options);
-};
-
-groupTypes.genfrac = function(group, options) {
- // Fractions are handled in the TeXbook on pages 444-445, rules 15(a-e).
- // Figure out what style this fraction should be in based on the
- // function used
- var style = options.style;
- if (group.value.size === "display") {
- style = Style$1.DISPLAY;
- } else if (group.value.size === "text") {
- style = Style$1.TEXT;
- }
-
- var nstyle = style.fracNum();
- var dstyle = style.fracDen();
- var newOptions;
-
- newOptions = options.withStyle(nstyle);
- var numer = buildGroup(group.value.numer, newOptions);
- var numerreset = makeSpan$1([style.reset(), nstyle.cls()],
- [numer], newOptions);
-
- newOptions = options.withStyle(dstyle);
- var denom = buildGroup(group.value.denom, newOptions);
- var denomreset = makeSpan$1([style.reset(), dstyle.cls()],
- [denom], newOptions);
-
- var ruleWidth;
- if (group.value.hasBarLine) {
- ruleWidth = fontMetrics.metrics.defaultRuleThickness /
- options.style.sizeMultiplier;
- } else {
- ruleWidth = 0;
- }
-
- // Rule 15b
- var numShift;
- var clearance;
- var denomShift;
- if (style.size === Style$1.DISPLAY.size) {
- numShift = style.metrics.num1;
- if (ruleWidth > 0) {
- clearance = 3 * ruleWidth;
- } else {
- clearance = 7 * fontMetrics.metrics.defaultRuleThickness;
- }
- denomShift = style.metrics.denom1;
- } else {
- if (ruleWidth > 0) {
- numShift = style.metrics.num2;
- clearance = ruleWidth;
- } else {
- numShift = style.metrics.num3;
- clearance = 3 * fontMetrics.metrics.defaultRuleThickness;
- }
- denomShift = style.metrics.denom2;
- }
-
- var frac;
- if (ruleWidth === 0) {
- // Rule 15c
- var candidateClearance =
- (numShift - numer.depth) - (denom.height - denomShift);
- if (candidateClearance < clearance) {
- numShift += 0.5 * (clearance - candidateClearance);
- denomShift += 0.5 * (clearance - candidateClearance);
- }
-
- frac = buildCommon$1.makeVList([
- {type: "elem", elem: denomreset, shift: denomShift},
- {type: "elem", elem: numerreset, shift: -numShift}
- ], "individualShift", null, options);
- } else {
- // Rule 15d
- var axisHeight = style.metrics.axisHeight;
-
- if ((numShift - numer.depth) - (axisHeight + 0.5 * ruleWidth) <
- clearance) {
- numShift +=
- clearance - ((numShift - numer.depth) -
- (axisHeight + 0.5 * ruleWidth));
- }
-
- if ((axisHeight - 0.5 * ruleWidth) - (denom.height - denomShift) <
- clearance) {
- denomShift +=
- clearance - ((axisHeight - 0.5 * ruleWidth) -
- (denom.height - denomShift));
- }
-
- var mid = makeSpan$1(
- [options.style.reset(), Style$1.TEXT.cls(), "frac-line"]);
- // Manually set the height of the line because its height is
- // created in CSS
- mid.height = ruleWidth;
-
- var midShift = -(axisHeight - 0.5 * ruleWidth);
-
- frac = buildCommon$1.makeVList([
- {type: "elem", elem: denomreset, shift: denomShift},
- {type: "elem", elem: mid, shift: midShift},
- {type: "elem", elem: numerreset, shift: -numShift}
- ], "individualShift", null, options);
- }
-
- // Since we manually change the style sometimes (with \dfrac or \tfrac),
- // account for the possible size change here.
- frac.height *= style.sizeMultiplier / options.style.sizeMultiplier;
- frac.depth *= style.sizeMultiplier / options.style.sizeMultiplier;
-
- // Rule 15e
- var delimSize;
- if (style.size === Style$1.DISPLAY.size) {
- delimSize = style.metrics.delim1;
- } else {
- delimSize = style.metrics.delim2;
- }
-
- var leftDelim;
- var rightDelim;
- if (group.value.leftDelim == null) {
- leftDelim = makeNullDelimiter(options, ["mopen"]);
- } else {
- leftDelim = delimiter.customSizedDelim(
- group.value.leftDelim, delimSize, true,
- options.withStyle(style), group.mode, ["mopen"]);
- }
- if (group.value.rightDelim == null) {
- rightDelim = makeNullDelimiter(options, ["mclose"]);
- } else {
- rightDelim = delimiter.customSizedDelim(
- group.value.rightDelim, delimSize, true,
- options.withStyle(style), group.mode, ["mclose"]);
- }
-
- return makeSpan$1(
- ["mord", options.style.reset(), style.cls()],
- [leftDelim, makeSpan$1(["mfrac"], [frac]), rightDelim],
- options);
-};
-
-var calculateSize = function(sizeValue, style) {
- var x = sizeValue.number;
- if (sizeValue.unit === "ex") {
- x *= style.metrics.emPerEx;
- } else if (sizeValue.unit === "mu") {
- x /= 18;
- }
- return x;
-};
-
-groupTypes.array = function(group, options) {
- var r;
- var c;
- var nr = group.value.body.length;
- var nc = 0;
- var body = new Array(nr);
-
- var style = options.style;
-
- // Horizontal spacing
- var pt = 1 / fontMetrics.metrics.ptPerEm;
- var arraycolsep = 5 * pt; // \arraycolsep in article.cls
-
- // Vertical spacing
- var baselineskip = 12 * pt; // see size10.clo
- // Default \arraystretch from lttab.dtx
- // TODO(gagern): may get redefined once we have user-defined macros
- var arraystretch = utils$1.deflt(group.value.arraystretch, 1);
- var arrayskip = arraystretch * baselineskip;
- var arstrutHeight = 0.7 * arrayskip; // \strutbox in ltfsstrc.dtx and
- var arstrutDepth = 0.3 * arrayskip; // \@arstrutbox in lttab.dtx
-
- var totalHeight = 0;
- for (r = 0; r < group.value.body.length; ++r) {
- var inrow = group.value.body[r];
- var height = arstrutHeight; // \@array adds an \@arstrut
- var depth = arstrutDepth; // to each tow (via the template)
-
- if (nc < inrow.length) {
- nc = inrow.length;
- }
-
- var outrow = new Array(inrow.length);
- for (c = 0; c < inrow.length; ++c) {
- var elt = buildGroup(inrow[c], options);
- if (depth < elt.depth) {
- depth = elt.depth;
- }
- if (height < elt.height) {
- height = elt.height;
- }
- outrow[c] = elt;
- }
-
- var gap = 0;
- if (group.value.rowGaps[r]) {
- gap = calculateSize(group.value.rowGaps[r].value, style);
- if (gap > 0) { // \@argarraycr
- gap += arstrutDepth;
- if (depth < gap) {
- depth = gap; // \@xargarraycr
- }
- gap = 0;
- }
- }
-
- outrow.height = height;
- outrow.depth = depth;
- totalHeight += height;
- outrow.pos = totalHeight;
- totalHeight += depth + gap; // \@yargarraycr
- body[r] = outrow;
- }
-
- var offset = totalHeight / 2 + style.metrics.axisHeight;
- var colDescriptions = group.value.cols || [];
- var cols = [];
- var colSep;
- var colDescrNum;
- for (c = 0, colDescrNum = 0;
- // Continue while either there are more columns or more column
- // descriptions, so trailing separators don't get lost.
- c < nc || colDescrNum < colDescriptions.length;
- ++c, ++colDescrNum) {
-
- var colDescr = colDescriptions[colDescrNum] || {};
-
- var firstSeparator = true;
- while (colDescr.type === "separator") {
- // If there is more than one separator in a row, add a space
- // between them.
- if (!firstSeparator) {
- colSep = makeSpan$1(["arraycolsep"], []);
- colSep.style.width =
- fontMetrics.metrics.doubleRuleSep + "em";
- cols.push(colSep);
- }
-
- if (colDescr.separator === "|") {
- var separator = makeSpan$1(
- ["vertical-separator"],
- []);
- separator.style.height = totalHeight + "em";
- separator.style.verticalAlign =
- -(totalHeight - offset) + "em";
-
- cols.push(separator);
- } else {
- throw new ParseError$2(
- "Invalid separator type: " + colDescr.separator);
- }
-
- colDescrNum++;
- colDescr = colDescriptions[colDescrNum] || {};
- firstSeparator = false;
- }
-
- if (c >= nc) {
- continue;
- }
-
- var sepwidth;
- if (c > 0 || group.value.hskipBeforeAndAfter) {
- sepwidth = utils$1.deflt(colDescr.pregap, arraycolsep);
- if (sepwidth !== 0) {
- colSep = makeSpan$1(["arraycolsep"], []);
- colSep.style.width = sepwidth + "em";
- cols.push(colSep);
- }
- }
-
- var col = [];
- for (r = 0; r < nr; ++r) {
- var row = body[r];
- var elem = row[c];
- if (!elem) {
- continue;
- }
- var shift = row.pos - offset;
- elem.depth = row.depth;
- elem.height = row.height;
- col.push({type: "elem", elem: elem, shift: shift});
- }
-
- col = buildCommon$1.makeVList(col, "individualShift", null, options);
- col = makeSpan$1(
- ["col-align-" + (colDescr.align || "c")],
- [col]);
- cols.push(col);
-
- if (c < nc - 1 || group.value.hskipBeforeAndAfter) {
- sepwidth = utils$1.deflt(colDescr.postgap, arraycolsep);
- if (sepwidth !== 0) {
- colSep = makeSpan$1(["arraycolsep"], []);
- colSep.style.width = sepwidth + "em";
- cols.push(colSep);
- }
- }
- }
- body = makeSpan$1(["mtable"], cols);
- return makeSpan$1(["mord"], [body], options);
-};
-
-groupTypes.spacing = function(group, options) {
- if (group.value === "\\ " || group.value === "\\space" ||
- group.value === " " || group.value === "~") {
- // Spaces are generated by adding an actual space. Each of these
- // things has an entry in the symbols table, so these will be turned
- // into appropriate outputs.
- if (group.mode === "text") {
- return buildCommon$1.makeOrd(group, options, "textord");
- } else {
- return makeSpan$1(["mspace"],
- [buildCommon$1.mathsym(group.value, group.mode, options)],
- options);
- }
- } else {
- // Other kinds of spaces are of arbitrary width. We use CSS to
- // generate these.
- return makeSpan$1(
- ["mspace",
- buildCommon$1.spacingFunctions[group.value].className],
- [], options);
- }
-};
-
-groupTypes.llap = function(group, options) {
- var inner = makeSpan$1(
- ["inner"], [buildGroup(group.value.body, options.reset())]);
- var fix = makeSpan$1(["fix"], []);
- return makeSpan$1(
- ["mord", "llap", options.style.cls()], [inner, fix], options);
-};
-
-groupTypes.rlap = function(group, options) {
- var inner = makeSpan$1(
- ["inner"], [buildGroup(group.value.body, options.reset())]);
- var fix = makeSpan$1(["fix"], []);
- return makeSpan$1(
- ["mord", "rlap", options.style.cls()], [inner, fix], options);
-};
-
-groupTypes.op = function(group, options) {
- // Operators are handled in the TeXbook pg. 443-444, rule 13(a).
- var supGroup;
- var subGroup;
- var hasLimits = false;
- if (group.type === "supsub") {
- // If we have limits, supsub will pass us its group to handle. Pull
- // out the superscript and subscript and set the group to the op in
- // its base.
- supGroup = group.value.sup;
- subGroup = group.value.sub;
- group = group.value.base;
- hasLimits = true;
- }
-
- var style = options.style;
-
- // Most operators have a large successor symbol, but these don't.
- var noSuccessor = [
- "\\smallint"
- ];
-
- var large = false;
- if (style.size === Style$1.DISPLAY.size &&
- group.value.symbol &&
- !utils$1.contains(noSuccessor, group.value.body)) {
-
- // Most symbol operators get larger in displaystyle (rule 13)
- large = true;
- }
-
- var base;
- var baseShift = 0;
- var slant = 0;
- if (group.value.symbol) {
- // If this is a symbol, create the symbol.
- var fontName = large ? "Size2-Regular" : "Size1-Regular";
- base = buildCommon$1.makeSymbol(
- group.value.body, fontName, "math", options,
- ["mop", "op-symbol", large ? "large-op" : "small-op"]);
-
- // Shift the symbol so its center lies on the axis (rule 13). It
- // appears that our fonts have the centers of the symbols already
- // almost on the axis, so these numbers are very small. Note we
- // don't actually apply this here, but instead it is used either in
- // the vlist creation or separately when there are no limits.
- baseShift = (base.height - base.depth) / 2 -
- style.metrics.axisHeight * style.sizeMultiplier;
-
- // The slant of the symbol is just its italic correction.
- slant = base.italic;
- } else if (group.value.value) {
- // If this is a list, compose that list.
- var inner = buildExpression(group.value.value, options, true);
-
- base = makeSpan$1(["mop"], inner, options);
- } else {
- // Otherwise, this is a text operator. Build the text from the
- // operator's name.
- // TODO(emily): Add a space in the middle of some of these
- // operators, like \limsup
- var output = [];
- for (var i = 1; i < group.value.body.length; i++) {
- output.push(buildCommon$1.mathsym(group.value.body[i], group.mode));
- }
- base = makeSpan$1(["mop"], output, options);
- }
-
- if (hasLimits) {
- // IE 8 clips \int if it is in a display: inline-block. We wrap it
- // in a new span so it is an inline, and works.
- base = makeSpan$1([], [base]);
-
- var supmid;
- var supKern;
- var submid;
- var subKern;
- var newOptions;
- // We manually have to handle the superscripts and subscripts. This,
- // aside from the kern calculations, is copied from supsub.
- if (supGroup) {
- newOptions = options.withStyle(style.sup());
- var sup = buildGroup(supGroup, newOptions);
- supmid = makeSpan$1([style.reset(), style.sup().cls()],
- [sup], newOptions);
-
- supKern = Math.max(
- fontMetrics.metrics.bigOpSpacing1,
- fontMetrics.metrics.bigOpSpacing3 - sup.depth);
- }
-
- if (subGroup) {
- newOptions = options.withStyle(style.sub());
- var sub = buildGroup(subGroup, newOptions);
- submid = makeSpan$1([style.reset(), style.sub().cls()],
- [sub], newOptions);
-
- subKern = Math.max(
- fontMetrics.metrics.bigOpSpacing2,
- fontMetrics.metrics.bigOpSpacing4 - sub.height);
- }
-
- // Build the final group as a vlist of the possible subscript, base,
- // and possible superscript.
- var finalGroup;
- var top;
- var bottom;
- if (!supGroup) {
- top = base.height - baseShift;
-
- finalGroup = buildCommon$1.makeVList([
- {type: "kern", size: fontMetrics.metrics.bigOpSpacing5},
- {type: "elem", elem: submid},
- {type: "kern", size: subKern},
- {type: "elem", elem: base}
- ], "top", top, options);
-
- // Here, we shift the limits by the slant of the symbol. Note
- // that we are supposed to shift the limits by 1/2 of the slant,
- // but since we are centering the limits adding a full slant of
- // margin will shift by 1/2 that.
- finalGroup.children[0].style.marginLeft = -slant + "em";
- } else if (!subGroup) {
- bottom = base.depth + baseShift;
-
- finalGroup = buildCommon$1.makeVList([
- {type: "elem", elem: base},
- {type: "kern", size: supKern},
- {type: "elem", elem: supmid},
- {type: "kern", size: fontMetrics.metrics.bigOpSpacing5}
- ], "bottom", bottom, options);
-
- // See comment above about slants
- finalGroup.children[1].style.marginLeft = slant + "em";
- } else if (!supGroup && !subGroup) {
- // This case probably shouldn't occur (this would mean the
- // supsub was sending us a group with no superscript or
- // subscript) but be safe.
- return base;
- } else {
- bottom = fontMetrics.metrics.bigOpSpacing5 +
- submid.height + submid.depth +
- subKern +
- base.depth + baseShift;
-
- finalGroup = buildCommon$1.makeVList([
- {type: "kern", size: fontMetrics.metrics.bigOpSpacing5},
- {type: "elem", elem: submid},
- {type: "kern", size: subKern},
- {type: "elem", elem: base},
- {type: "kern", size: supKern},
- {type: "elem", elem: supmid},
- {type: "kern", size: fontMetrics.metrics.bigOpSpacing5}
- ], "bottom", bottom, options);
-
- // See comment above about slants
- finalGroup.children[0].style.marginLeft = -slant + "em";
- finalGroup.children[2].style.marginLeft = slant + "em";
- }
-
- return makeSpan$1(["mop", "op-limits"], [finalGroup], options);
- } else {
- if (group.value.symbol) {
- base.style.top = baseShift + "em";
- }
-
- return base;
- }
-};
-
-groupTypes.mod = function(group, options) {
- var inner = [];
-
- if (group.value.modType === "bmod") {
- // “\nonscript\mskip-\medmuskip\mkern5mu”
- if (!options.style.isTight()) {
- inner.push(makeSpan$1(
- ["mspace", "negativemediumspace"], [], options));
- }
- inner.push(makeSpan$1(["mspace", "thickspace"], [], options));
- } else if (options.style.size === Style$1.DISPLAY.size) {
- inner.push(makeSpan$1(["mspace", "quad"], [], options));
- } else if (group.value.modType === "mod") {
- inner.push(makeSpan$1(["mspace", "twelvemuspace"], [], options));
- } else {
- inner.push(makeSpan$1(["mspace", "eightmuspace"], [], options));
- }
-
- if (group.value.modType === "pod" || group.value.modType === "pmod") {
- inner.push(buildCommon$1.mathsym("(", group.mode));
- }
-
- if (group.value.modType !== "pod") {
- var modInner = [
- buildCommon$1.mathsym("m", group.mode),
- buildCommon$1.mathsym("o", group.mode),
- buildCommon$1.mathsym("d", group.mode)];
- if (group.value.modType === "bmod") {
- inner.push(makeSpan$1(["mbin"], modInner, options));
- // “\mkern5mu\nonscript\mskip-\medmuskip”
- inner.push(makeSpan$1(["mspace", "thickspace"], [], options));
- if (!options.style.isTight()) {
- inner.push(makeSpan$1(
- ["mspace", "negativemediumspace"], [], options));
- }
- } else {
- Array.prototype.push.apply(inner, modInner);
- inner.push(makeSpan$1(["mspace", "sixmuspace"], [], options));
- }
- }
-
- if (group.value.value) {
- Array.prototype.push.apply(inner,
- buildExpression(group.value.value, options, false));
- }
-
- if (group.value.modType === "pod" || group.value.modType === "pmod") {
- inner.push(buildCommon$1.mathsym(")", group.mode));
- }
-
- return buildCommon$1.makeFragment(inner);
-};
-
-groupTypes.katex = function(group, options) {
- // The KaTeX logo. The offsets for the K and a were chosen to look
- // good, but the offsets for the T, E, and X were taken from the
- // definition of \TeX in TeX (see TeXbook pg. 356)
- var k = makeSpan$1(
- ["k"], [buildCommon$1.mathsym("K", group.mode)], options);
- var a = makeSpan$1(
- ["a"], [buildCommon$1.mathsym("A", group.mode)], options);
-
- a.height = (a.height + 0.2) * 0.75;
- a.depth = (a.height - 0.2) * 0.75;
-
- var t = makeSpan$1(
- ["t"], [buildCommon$1.mathsym("T", group.mode)], options);
- var e = makeSpan$1(
- ["e"], [buildCommon$1.mathsym("E", group.mode)], options);
-
- e.height = (e.height - 0.2155);
- e.depth = (e.depth + 0.2155);
-
- var x = makeSpan$1(
- ["x"], [buildCommon$1.mathsym("X", group.mode)], options);
-
- return makeSpan$1(
- ["mord", "katex-logo"], [k, a, t, e, x], options);
-};
-
-groupTypes.overline = function(group, options) {
- // Overlines are handled in the TeXbook pg 443, Rule 9.
- var style = options.style;
-
- // Build the inner group in the cramped style.
- var innerGroup = buildGroup(group.value.body,
- options.withStyle(style.cramp()));
-
- var ruleWidth = fontMetrics.metrics.defaultRuleThickness /
- style.sizeMultiplier;
-
- // Create the line above the body
- var line = makeSpan$1(
- [style.reset(), Style$1.TEXT.cls(), "overline-line"]);
- line.height = ruleWidth;
- line.maxFontSize = 1.0;
-
- // Generate the vlist, with the appropriate kerns
- var vlist = buildCommon$1.makeVList([
- {type: "elem", elem: innerGroup},
- {type: "kern", size: 3 * ruleWidth},
- {type: "elem", elem: line},
- {type: "kern", size: ruleWidth}
- ], "firstBaseline", null, options);
-
- return makeSpan$1(["mord", "overline"], [vlist], options);
-};
-
-groupTypes.underline = function(group, options) {
- // Underlines are handled in the TeXbook pg 443, Rule 10.
- var style = options.style;
-
- // Build the inner group.
- var innerGroup = buildGroup(group.value.body, options);
-
- var ruleWidth = fontMetrics.metrics.defaultRuleThickness /
- style.sizeMultiplier;
-
- // Create the line above the body
- var line = makeSpan$1([style.reset(), Style$1.TEXT.cls(), "underline-line"]);
- line.height = ruleWidth;
- line.maxFontSize = 1.0;
-
- // Generate the vlist, with the appropriate kerns
- var vlist = buildCommon$1.makeVList([
- {type: "kern", size: ruleWidth},
- {type: "elem", elem: line},
- {type: "kern", size: 3 * ruleWidth},
- {type: "elem", elem: innerGroup}
- ], "top", innerGroup.height, options);
-
- return makeSpan$1(["mord", "underline"], [vlist], options);
-};
-
-groupTypes.sqrt = function(group, options) {
- // Square roots are handled in the TeXbook pg. 443, Rule 11.
- var style = options.style;
-
- // First, we do the same steps as in overline to build the inner group
- // and line
- var inner = buildGroup(group.value.body, options.withStyle(style.cramp()));
-
- var ruleWidth = fontMetrics.metrics.defaultRuleThickness /
- style.sizeMultiplier;
-
- var line = makeSpan$1(
- [style.reset(), Style$1.TEXT.cls(), "sqrt-line"], [],
- options);
- line.height = ruleWidth;
- line.maxFontSize = 1.0;
-
- var phi = ruleWidth;
- if (style.id < Style$1.TEXT.id) {
- phi = style.metrics.xHeight;
- }
-
- // Calculate the clearance between the body and line
- var lineClearance = ruleWidth + phi / 4;
-
- var innerHeight = (inner.height + inner.depth) * style.sizeMultiplier;
- var minDelimiterHeight = innerHeight + lineClearance + ruleWidth;
-
- // Create a \surd delimiter of the required minimum size
- var delim = makeSpan$1(["sqrt-sign"], [
- delimiter.customSizedDelim("\\surd", minDelimiterHeight,
- false, options, group.mode)],
- options);
-
- var delimDepth = (delim.height + delim.depth) - ruleWidth;
-
- // Adjust the clearance based on the delimiter size
- if (delimDepth > inner.height + inner.depth + lineClearance) {
- lineClearance =
- (lineClearance + delimDepth - inner.height - inner.depth) / 2;
- }
-
- // Shift the delimiter so that its top lines up with the top of the line
- var delimShift = -(inner.height + lineClearance + ruleWidth) + delim.height;
- delim.style.top = delimShift + "em";
- delim.height -= delimShift;
- delim.depth += delimShift;
-
- // We add a special case here, because even when `inner` is empty, we
- // still get a line. So, we use a simple heuristic to decide if we
- // should omit the body entirely. (note this doesn't work for something
- // like `\sqrt{\rlap{x}}`, but if someone is doing that they deserve for
- // it not to work.
- var body;
- if (inner.height === 0 && inner.depth === 0) {
- body = makeSpan$1();
- } else {
- body = buildCommon$1.makeVList([
- {type: "elem", elem: inner},
- {type: "kern", size: lineClearance},
- {type: "elem", elem: line},
- {type: "kern", size: ruleWidth}
- ], "firstBaseline", null, options);
- }
-
- if (!group.value.index) {
- return makeSpan$1(["mord", "sqrt"], [delim, body], options);
- } else {
- // Handle the optional root index
-
- // The index is always in scriptscript style
- var newOptions = options.withStyle(Style$1.SCRIPTSCRIPT);
- var root = buildGroup(group.value.index, newOptions);
- var rootWrap = makeSpan$1(
- [style.reset(), Style$1.SCRIPTSCRIPT.cls()],
- [root],
- newOptions);
-
- // Figure out the height and depth of the inner part
- var innerRootHeight = Math.max(delim.height, body.height);
- var innerRootDepth = Math.max(delim.depth, body.depth);
-
- // The amount the index is shifted by. This is taken from the TeX
- // source, in the definition of `\r@@t`.
- var toShift = 0.6 * (innerRootHeight - innerRootDepth);
-
- // Build a VList with the superscript shifted up correctly
- var rootVList = buildCommon$1.makeVList(
- [{type: "elem", elem: rootWrap}],
- "shift", -toShift, options);
- // Add a class surrounding it so we can add on the appropriate
- // kerning
- var rootVListWrap = makeSpan$1(["root"], [rootVList]);
-
- return makeSpan$1(["mord", "sqrt"],
- [rootVListWrap, delim, body], options);
- }
-};
-
-groupTypes.sizing = function(group, options) {
- // Handle sizing operators like \Huge. Real TeX doesn't actually allow
- // these functions inside of math expressions, so we do some special
- // handling.
- var inner = buildExpression(group.value.value,
- options.withSize(group.value.size), false);
-
- // Compute the correct maxFontSize.
- var style = options.style;
- var fontSize = buildCommon$1.sizingMultiplier[group.value.size];
- fontSize = fontSize * style.sizeMultiplier;
-
- // Add size-resetting classes to the inner list and set maxFontSize
- // manually. Handle nested size changes.
- for (var i = 0; i < inner.length; i++) {
- var pos = utils$1.indexOf(inner[i].classes, "sizing");
- if (pos < 0) {
- inner[i].classes.push("sizing", "reset-" + options.size,
- group.value.size, style.cls());
- inner[i].maxFontSize = fontSize;
- } else if (inner[i].classes[pos + 1] === "reset-" + group.value.size) {
- // This is a nested size change: e.g., inner[i] is the "b" in
- // `\Huge a \small b`. Override the old size (the `reset-` class)
- // but not the new size.
- inner[i].classes[pos + 1] = "reset-" + options.size;
- }
- }
-
- return buildCommon$1.makeFragment(inner);
-};
-
-groupTypes.styling = function(group, options) {
- // Style changes are handled in the TeXbook on pg. 442, Rule 3.
-
- // Figure out what style we're changing to.
- var styleMap = {
- "display": Style$1.DISPLAY,
- "text": Style$1.TEXT,
- "script": Style$1.SCRIPT,
- "scriptscript": Style$1.SCRIPTSCRIPT
- };
-
- var newStyle = styleMap[group.value.style];
- var newOptions = options.withStyle(newStyle);
-
- // Build the inner expression in the new style.
- var inner = buildExpression(
- group.value.value, newOptions, false);
-
- // Add style-resetting classes to the inner list. Handle nested changes.
- for (var i = 0; i < inner.length; i++) {
- var pos = utils$1.indexOf(inner[i].classes, newStyle.reset());
- if (pos < 0) {
- inner[i].classes.push(options.style.reset(), newStyle.cls());
- } else {
- // This is a nested style change, as `\textstyle a\scriptstyle b`.
- // Only override the old style (the reset class).
- inner[i].classes[pos] = options.style.reset();
- }
- }
-
- return new buildCommon$1.makeFragment(inner);
-};
-
-groupTypes.font = function(group, options) {
- var font = group.value.font;
- return buildGroup(group.value.body, options.withFont(font));
-};
-
-groupTypes.delimsizing = function(group, options) {
- var delim = group.value.value;
-
- if (delim === ".") {
- // Empty delimiters still count as elements, even though they don't
- // show anything.
- return makeSpan$1([group.value.mclass]);
- }
-
- // Use delimiter.sizedDelim to generate the delimiter.
- return delimiter.sizedDelim(
- delim, group.value.size, options, group.mode,
- [group.value.mclass]);
-};
-
-groupTypes.leftright = function(group, options) {
- // Build the inner expression
- var inner = buildExpression(group.value.body, options.reset(), true);
-
- var innerHeight = 0;
- var innerDepth = 0;
- var hadMiddle = false;
-
- // Calculate its height and depth
- for (var i = 0; i < inner.length; i++) {
- if (inner[i].isMiddle) {
- hadMiddle = true;
- } else {
- innerHeight = Math.max(inner[i].height, innerHeight);
- innerDepth = Math.max(inner[i].depth, innerDepth);
- }
- }
-
- var style = options.style;
-
- // The size of delimiters is the same, regardless of what style we are
- // in. Thus, to correctly calculate the size of delimiter we need around
- // a group, we scale down the inner size based on the size.
- innerHeight *= style.sizeMultiplier;
- innerDepth *= style.sizeMultiplier;
-
- var leftDelim;
- if (group.value.left === ".") {
- // Empty delimiters in \left and \right make null delimiter spaces.
- leftDelim = makeNullDelimiter(options, ["mopen"]);
- } else {
- // Otherwise, use leftRightDelim to generate the correct sized
- // delimiter.
- leftDelim = delimiter.leftRightDelim(
- group.value.left, innerHeight, innerDepth, options,
- group.mode, ["mopen"]);
- }
- // Add it to the beginning of the expression
- inner.unshift(leftDelim);
-
- // Handle middle delimiters
- if (hadMiddle) {
- for (i = 1; i < inner.length; i++) {
- if (inner[i].isMiddle) {
- // Apply the options that were active when \middle was called
- inner[i] = delimiter.leftRightDelim(
- inner[i].isMiddle.value, innerHeight, innerDepth,
- inner[i].isMiddle.options, group.mode, []);
- }
- }
- }
-
- var rightDelim;
- // Same for the right delimiter
- if (group.value.right === ".") {
- rightDelim = makeNullDelimiter(options, ["mclose"]);
- } else {
- rightDelim = delimiter.leftRightDelim(
- group.value.right, innerHeight, innerDepth, options,
- group.mode, ["mclose"]);
- }
- // Add it to the end of the expression.
- inner.push(rightDelim);
-
- return makeSpan$1(
- ["minner", style.cls()], inner, options);
-};
-
-groupTypes.middle = function(group, options) {
- var middleDelim;
- if (group.value.value === ".") {
- middleDelim = makeNullDelimiter(options, []);
- } else {
- middleDelim = delimiter.sizedDelim(
- group.value.value, 1, options,
- group.mode, []);
- middleDelim.isMiddle = {value: group.value.value, options: options};
- }
- return middleDelim;
-};
-
-groupTypes.rule = function(group, options) {
- // Make an empty span for the rule
- var rule = makeSpan$1(["mord", "rule"], [], options);
- var style = options.style;
-
- // Calculate the shift, width, and height of the rule, and account for units
- var shift = 0;
- if (group.value.shift) {
- shift = calculateSize(group.value.shift, style);
- }
-
- var width = calculateSize(group.value.width, style);
- var height = calculateSize(group.value.height, style);
-
- // The sizes of rules are absolute, so make it larger if we are in a
- // smaller style.
- shift /= style.sizeMultiplier;
- width /= style.sizeMultiplier;
- height /= style.sizeMultiplier;
-
- // Style the rule to the right size
- rule.style.borderRightWidth = width + "em";
- rule.style.borderTopWidth = height + "em";
- rule.style.bottom = shift + "em";
-
- // Record the height and width
- rule.width = width;
- rule.height = height + shift;
- rule.depth = -shift;
-
- return rule;
-};
-
-groupTypes.kern = function(group, options) {
- // Make an empty span for the rule
- var rule = makeSpan$1(["mord", "rule"], [], options);
- var style = options.style;
-
- var dimension = 0;
- if (group.value.dimension) {
- dimension = calculateSize(group.value.dimension, style);
- }
-
- dimension /= style.sizeMultiplier;
-
- rule.style.marginLeft = dimension + "em";
-
- return rule;
-};
-
-groupTypes.accent = function(group, options) {
- // Accents are handled in the TeXbook pg. 443, rule 12.
- var base = group.value.base;
- var style = options.style;
-
- var supsubGroup;
- if (group.type === "supsub") {
- // If our base is a character box, and we have superscripts and
- // subscripts, the supsub will defer to us. In particular, we want
- // to attach the superscripts and subscripts to the inner body (so
- // that the position of the superscripts and subscripts won't be
- // affected by the height of the accent). We accomplish this by
- // sticking the base of the accent into the base of the supsub, and
- // rendering that, while keeping track of where the accent is.
-
- // The supsub group is the group that was passed in
- var supsub = group;
- // The real accent group is the base of the supsub group
- group = supsub.value.base;
- // The character box is the base of the accent group
- base = group.value.base;
- // Stick the character box into the base of the supsub group
- supsub.value.base = base;
-
- // Rerender the supsub group with its new base, and store that
- // result.
- supsubGroup = buildGroup(
- supsub, options.reset());
- }
-
- // Build the base group
- var body = buildGroup(
- base, options.withStyle(style.cramp()));
-
- // Calculate the skew of the accent. This is based on the line "If the
- // nucleus is not a single character, let s = 0; otherwise set s to the
- // kern amount for the nucleus followed by the \skewchar of its font."
- // Note that our skew metrics are just the kern between each character
- // and the skewchar.
- var skew;
- if (isCharacterBox(base)) {
- // If the base is a character box, then we want the skew of the
- // innermost character. To do that, we find the innermost character:
- var baseChar = getBaseElem(base);
- // Then, we render its group to get the symbol inside it
- var baseGroup = buildGroup(
- baseChar, options.withStyle(style.cramp()));
- // Finally, we pull the skew off of the symbol.
- skew = baseGroup.skew;
- // Note that we now throw away baseGroup, because the layers we
- // removed with getBaseElem might contain things like \color which
- // we can't get rid of.
- // TODO(emily): Find a better way to get the skew
- } else {
- skew = 0;
- }
-
- // calculate the amount of space between the body and the accent
- var clearance = Math.min(
- body.height,
- style.metrics.xHeight);
-
- // Build the accent
- var accent = buildCommon$1.makeSymbol(
- group.value.accent, "Main-Regular", "math", options);
- // Remove the italic correction of the accent, because it only serves to
- // shift the accent over to a place we don't want.
- accent.italic = 0;
-
- // The \vec character that the fonts use is a combining character, and
- // thus shows up much too far to the left. To account for this, we add a
- // specific class which shifts the accent over to where we want it.
- // TODO(emily): Fix this in a better way, like by changing the font
- var vecClass = group.value.accent === "\\vec" ? "accent-vec" : null;
-
- var accentBody = makeSpan$1(["accent-body", vecClass], [
- makeSpan$1([], [accent])]);
-
- accentBody = buildCommon$1.makeVList([
- {type: "elem", elem: body},
- {type: "kern", size: -clearance},
- {type: "elem", elem: accentBody}
- ], "firstBaseline", null, options);
-
- // Shift the accent over by the skew. Note we shift by twice the skew
- // because we are centering the accent, so by adding 2*skew to the left,
- // we shift it to the right by 1*skew.
- accentBody.children[1].style.marginLeft = 2 * skew + "em";
-
- var accentWrap = makeSpan$1(["mord", "accent"], [accentBody], options);
-
- if (supsubGroup) {
- // Here, we replace the "base" child of the supsub with our newly
- // generated accent.
- supsubGroup.children[0] = accentWrap;
-
- // Since we don't rerun the height calculation after replacing the
- // accent, we manually recalculate height.
- supsubGroup.height = Math.max(accentWrap.height, supsubGroup.height);
-
- // Accents should always be ords, even when their innards are not.
- supsubGroup.classes[0] = "mord";
-
- return supsubGroup;
- } else {
- return accentWrap;
- }
-};
-
-groupTypes.phantom = function(group, options) {
- var elements = buildExpression(
- group.value.value,
- options.withPhantom(),
- false
- );
-
- // \phantom isn't supposed to affect the elements it contains.
- // See "color" for more details.
- return new buildCommon$1.makeFragment(elements);
-};
-
-groupTypes.mclass = function(group, options) {
- var elements = buildExpression(group.value.value, options, true);
-
- return makeSpan$1([group.value.mclass], elements, options);
-};
-
-/**
- * buildGroup is the function that takes a group and calls the correct groupType
- * function for it. It also handles the interaction of size and style changes
- * between parents and children.
- */
-var buildGroup = function(group, options) {
- if (!group) {
- return makeSpan$1();
- }
-
- if (groupTypes[group.type]) {
- // Call the groupTypes function
- var groupNode = groupTypes[group.type](group, options);
- var multiplier;
-
- // If the style changed between the parent and the current group,
- // account for the size difference
- if (options.style !== options.parentStyle) {
- multiplier = options.style.sizeMultiplier /
- options.parentStyle.sizeMultiplier;
-
- groupNode.height *= multiplier;
- groupNode.depth *= multiplier;
- }
-
- // If the size changed between the parent and the current group, account
- // for that size difference.
- if (options.size !== options.parentSize) {
- multiplier = buildCommon$1.sizingMultiplier[options.size] /
- buildCommon$1.sizingMultiplier[options.parentSize];
-
- groupNode.height *= multiplier;
- groupNode.depth *= multiplier;
- }
-
- return groupNode;
- } else {
- throw new ParseError$2(
- "Got group of unknown type: '" + group.type + "'");
- }
-};
-
-/**
- * Take an entire parse tree, and build it into an appropriate set of HTML
- * nodes.
- */
-var buildHTML$1 = function(tree, options) {
- // buildExpression is destructive, so we need to make a clone
- // of the incoming tree so that it isn't accidentally changed
- tree = JSON.parse(JSON.stringify(tree));
-
- // Build the expression contained in the tree
- var expression = buildExpression(tree, options, true);
- var body = makeSpan$1(["base", options.style.cls()], expression, options);
-
- // Add struts, which ensure that the top of the HTML element falls at the
- // height of the expression, and the bottom of the HTML element falls at the
- // depth of the expression.
- var topStrut = makeSpan$1(["strut"]);
- var bottomStrut = makeSpan$1(["strut", "bottom"]);
-
- topStrut.style.height = body.height + "em";
- bottomStrut.style.height = (body.height + body.depth) + "em";
- // We'd like to use `vertical-align: top` but in IE 9 this lowers the
- // baseline of the box to the bottom of this strut (instead staying in the
- // normal place) so we use an absolute value for vertical-align instead
- bottomStrut.style.verticalAlign = -body.depth + "em";
-
- // Wrap the struts and body together
- var htmlNode = makeSpan$1(["katex-html"], [topStrut, bottomStrut, body]);
-
- htmlNode.setAttribute("aria-hidden", "true");
-
- return htmlNode;
-};
-
-var buildHTML_1 = buildHTML$1;
-
-var utils$8 = utils$4;
-
-/**
- * This node represents a general purpose MathML node of any type. The
- * constructor requires the type of node to create (for example, `"mo"` or
- * `"mspace"`, corresponding to `` and `` tags).
- */
-function MathNode(type, children) {
- this.type = type;
- this.attributes = {};
- this.children = children || [];
-}
-
-/**
- * Sets an attribute on a MathML node. MathML depends on attributes to convey a
- * semantic content, so this is used heavily.
- */
-MathNode.prototype.setAttribute = function(name, value) {
- this.attributes[name] = value;
-};
-
-/**
- * Converts the math node into a MathML-namespaced DOM element.
- */
-MathNode.prototype.toNode = function() {
- var node = document.createElementNS(
- "http://www.w3.org/1998/Math/MathML", this.type);
-
- for (var attr in this.attributes) {
- if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
- node.setAttribute(attr, this.attributes[attr]);
- }
- }
-
- for (var i = 0; i < this.children.length; i++) {
- node.appendChild(this.children[i].toNode());
- }
-
- return node;
-};
-
-/**
- * Converts the math node into an HTML markup string.
- */
-MathNode.prototype.toMarkup = function() {
- var markup = "<" + this.type;
-
- // Add the attributes
- for (var attr in this.attributes) {
- if (Object.prototype.hasOwnProperty.call(this.attributes, attr)) {
- markup += " " + attr + "=\"";
- markup += utils$8.escape(this.attributes[attr]);
- markup += "\"";
- }
- }
-
- markup += ">";
-
- for (var i = 0; i < this.children.length; i++) {
- markup += this.children[i].toMarkup();
- }
-
- markup += "" + this.type + ">";
-
- return markup;
-};
-
-/**
- * This node represents a piece of text.
- */
-function TextNode(text) {
- this.text = text;
-}
-
-/**
- * Converts the text node into a DOM text node.
- */
-TextNode.prototype.toNode = function() {
- return document.createTextNode(this.text);
-};
-
-/**
- * Converts the text node into HTML markup (which is just the text itself).
- */
-TextNode.prototype.toMarkup = function() {
- return utils$8.escape(this.text);
-};
-
-var mathMLTree$1 = {
- MathNode: MathNode,
- TextNode: TextNode
-};
-
-var buildCommon$5 = buildCommon$2;
-var fontMetrics$5 = fontMetrics$1;
-var mathMLTree = mathMLTree$1;
-var ParseError$4 = ParseError_1;
-var symbols$4 = symbols$1;
-var utils$7 = utils$4;
-
-var makeSpan$4 = buildCommon$5.makeSpan;
-var fontMap$1 = buildCommon$5.fontMap;
-
-/**
- * Takes a symbol and converts it into a MathML text node after performing
- * optional replacement from symbols.js.
- */
-var makeText = function(text, mode) {
- if (symbols$4[mode][text] && symbols$4[mode][text].replace) {
- text = symbols$4[mode][text].replace;
- }
-
- return new mathMLTree.TextNode(text);
-};
-
-/**
- * Returns the math variant as a string or null if none is required.
- */
-var getVariant = function(group, options) {
- var font = options.font;
- if (!font) {
- return null;
- }
-
- var mode = group.mode;
- if (font === "mathit") {
- return "italic";
- }
-
- var value = group.value;
- if (utils$7.contains(["\\imath", "\\jmath"], value)) {
- return null;
- }
-
- if (symbols$4[mode][value] && symbols$4[mode][value].replace) {
- value = symbols$4[mode][value].replace;
- }
-
- var fontName = fontMap$1[font].fontName;
- if (fontMetrics$5.getCharacterMetrics(value, fontName)) {
- return fontMap$1[options.font].variant;
- }
-
- return null;
-};
-
-/**
- * Functions for handling the different types of groups found in the parse
- * tree. Each function should take a parse group and return a MathML node.
- */
-var groupTypes$1 = {};
-
-groupTypes$1.mathord = function(group, options) {
- var node = new mathMLTree.MathNode(
- "mi",
- [makeText(group.value, group.mode)]);
-
- var variant = getVariant(group, options);
- if (variant) {
- node.setAttribute("mathvariant", variant);
- }
- return node;
-};
-
-groupTypes$1.textord = function(group, options) {
- var text = makeText(group.value, group.mode);
-
- var variant = getVariant(group, options) || "normal";
-
- var node;
- if (/[0-9]/.test(group.value)) {
- // TODO(kevinb) merge adjacent nodes
- // do it as a post processing step
- node = new mathMLTree.MathNode("mn", [text]);
- if (options.font) {
- node.setAttribute("mathvariant", variant);
- }
- } else {
- node = new mathMLTree.MathNode("mi", [text]);
- node.setAttribute("mathvariant", variant);
- }
-
- return node;
-};
-
-groupTypes$1.bin = function(group) {
- var node = new mathMLTree.MathNode(
- "mo", [makeText(group.value, group.mode)]);
-
- return node;
-};
-
-groupTypes$1.rel = function(group) {
- var node = new mathMLTree.MathNode(
- "mo", [makeText(group.value, group.mode)]);
-
- return node;
-};
-
-groupTypes$1.open = function(group) {
- var node = new mathMLTree.MathNode(
- "mo", [makeText(group.value, group.mode)]);
-
- return node;
-};
-
-groupTypes$1.close = function(group) {
- var node = new mathMLTree.MathNode(
- "mo", [makeText(group.value, group.mode)]);
-
- return node;
-};
-
-groupTypes$1.inner = function(group) {
- var node = new mathMLTree.MathNode(
- "mo", [makeText(group.value, group.mode)]);
-
- return node;
-};
-
-groupTypes$1.punct = function(group) {
- var node = new mathMLTree.MathNode(
- "mo", [makeText(group.value, group.mode)]);
-
- node.setAttribute("separator", "true");
-
- return node;
-};
-
-groupTypes$1.ordgroup = function(group, options) {
- var inner = buildExpression$1(group.value, options);
-
- var node = new mathMLTree.MathNode("mrow", inner);
-
- return node;
-};
-
-groupTypes$1.text = function(group, options) {
- var inner = buildExpression$1(group.value.body, options);
-
- var node = new mathMLTree.MathNode("mtext", inner);
-
- return node;
-};
-
-groupTypes$1.color = function(group, options) {
- var inner = buildExpression$1(group.value.value, options);
-
- var node = new mathMLTree.MathNode("mstyle", inner);
-
- node.setAttribute("mathcolor", group.value.color);
-
- return node;
-};
-
-groupTypes$1.supsub = function(group, options) {
- var children = [buildGroup$1(group.value.base, options)];
-
- if (group.value.sub) {
- children.push(buildGroup$1(group.value.sub, options));
- }
-
- if (group.value.sup) {
- children.push(buildGroup$1(group.value.sup, options));
- }
-
- var nodeType;
- if (!group.value.sub) {
- nodeType = "msup";
- } else if (!group.value.sup) {
- nodeType = "msub";
- } else {
- nodeType = "msubsup";
- }
-
- var node = new mathMLTree.MathNode(nodeType, children);
-
- return node;
-};
-
-groupTypes$1.genfrac = function(group, options) {
- var node = new mathMLTree.MathNode(
- "mfrac",
- [buildGroup$1(group.value.numer, options),
- buildGroup$1(group.value.denom, options)]);
-
- if (!group.value.hasBarLine) {
- node.setAttribute("linethickness", "0px");
- }
-
- if (group.value.leftDelim != null || group.value.rightDelim != null) {
- var withDelims = [];
-
- if (group.value.leftDelim != null) {
- var leftOp = new mathMLTree.MathNode(
- "mo", [new mathMLTree.TextNode(group.value.leftDelim)]);
-
- leftOp.setAttribute("fence", "true");
-
- withDelims.push(leftOp);
- }
-
- withDelims.push(node);
-
- if (group.value.rightDelim != null) {
- var rightOp = new mathMLTree.MathNode(
- "mo", [new mathMLTree.TextNode(group.value.rightDelim)]);
-
- rightOp.setAttribute("fence", "true");
-
- withDelims.push(rightOp);
- }
-
- var outerNode = new mathMLTree.MathNode("mrow", withDelims);
-
- return outerNode;
- }
-
- return node;
-};
-
-groupTypes$1.array = function(group, options) {
- return new mathMLTree.MathNode(
- "mtable", group.value.body.map(function(row) {
- return new mathMLTree.MathNode(
- "mtr", row.map(function(cell) {
- return new mathMLTree.MathNode(
- "mtd", [buildGroup$1(cell, options)]);
- }));
- }));
-};
-
-groupTypes$1.sqrt = function(group, options) {
- var node;
- if (group.value.index) {
- node = new mathMLTree.MathNode(
- "mroot", [
- buildGroup$1(group.value.body, options),
- buildGroup$1(group.value.index, options)
- ]);
- } else {
- node = new mathMLTree.MathNode(
- "msqrt", [buildGroup$1(group.value.body, options)]);
- }
-
- return node;
-};
-
-groupTypes$1.leftright = function(group, options) {
- var inner = buildExpression$1(group.value.body, options);
-
- if (group.value.left !== ".") {
- var leftNode = new mathMLTree.MathNode(
- "mo", [makeText(group.value.left, group.mode)]);
-
- leftNode.setAttribute("fence", "true");
-
- inner.unshift(leftNode);
- }
-
- if (group.value.right !== ".") {
- var rightNode = new mathMLTree.MathNode(
- "mo", [makeText(group.value.right, group.mode)]);
-
- rightNode.setAttribute("fence", "true");
-
- inner.push(rightNode);
- }
-
- var outerNode = new mathMLTree.MathNode("mrow", inner);
-
- return outerNode;
-};
-
-groupTypes$1.middle = function(group, options) {
- var middleNode = new mathMLTree.MathNode(
- "mo", [makeText(group.value.middle, group.mode)]);
- middleNode.setAttribute("fence", "true");
- return middleNode;
-};
-
-groupTypes$1.accent = function(group, options) {
- var accentNode = new mathMLTree.MathNode(
- "mo", [makeText(group.value.accent, group.mode)]);
-
- var node = new mathMLTree.MathNode(
- "mover",
- [buildGroup$1(group.value.base, options),
- accentNode]);
-
- node.setAttribute("accent", "true");
-
- return node;
-};
-
-groupTypes$1.spacing = function(group) {
- var node;
-
- if (group.value === "\\ " || group.value === "\\space" ||
- group.value === " " || group.value === "~") {
- node = new mathMLTree.MathNode(
- "mtext", [new mathMLTree.TextNode("\u00a0")]);
- } else {
- node = new mathMLTree.MathNode("mspace");
-
- node.setAttribute(
- "width", buildCommon$5.spacingFunctions[group.value].size);
- }
-
- return node;
-};
-
-groupTypes$1.op = function(group, options) {
- var node;
-
- // TODO(emily): handle big operators using the `largeop` attribute
-
- if (group.value.symbol) {
- // This is a symbol. Just add the symbol.
- node = new mathMLTree.MathNode(
- "mo", [makeText(group.value.body, group.mode)]);
- } else if (group.value.value) {
- // This is an operator with children. Add them.
- node = new mathMLTree.MathNode(
- "mo", buildExpression$1(group.value.value, options));
- } else {
- // This is a text operator. Add all of the characters from the
- // operator's name.
- // TODO(emily): Add a space in the middle of some of these
- // operators, like \limsup.
- node = new mathMLTree.MathNode(
- "mi", [new mathMLTree.TextNode(group.value.body.slice(1))]);
- }
-
- return node;
-};
-
-groupTypes$1.mod = function(group, options) {
- var inner = [];
-
- if (group.value.modType === "pod" || group.value.modType === "pmod") {
- inner.push(new mathMLTree.MathNode(
- "mo", [makeText("(", group.mode)]));
- }
- if (group.value.modType !== "pod") {
- inner.push(new mathMLTree.MathNode(
- "mo", [makeText("mod", group.mode)]));
- }
- if (group.value.value) {
- var space = new mathMLTree.MathNode("mspace");
- space.setAttribute("width", "0.333333em");
- inner.push(space);
- inner = inner.concat(buildExpression$1(group.value.value, options));
- }
- if (group.value.modType === "pod" || group.value.modType === "pmod") {
- inner.push(new mathMLTree.MathNode(
- "mo", [makeText(")", group.mode)]));
- }
-
- return new mathMLTree.MathNode("mo", inner);
-};
-
-groupTypes$1.katex = function(group) {
- var node = new mathMLTree.MathNode(
- "mtext", [new mathMLTree.TextNode("KaTeX")]);
-
- return node;
-};
-
-groupTypes$1.font = function(group, options) {
- var font = group.value.font;
- return buildGroup$1(group.value.body, options.withFont(font));
-};
-
-groupTypes$1.delimsizing = function(group) {
- var children = [];
-
- if (group.value.value !== ".") {
- children.push(makeText(group.value.value, group.mode));
- }
-
- var node = new mathMLTree.MathNode("mo", children);
-
- if (group.value.mclass === "mopen" ||
- group.value.mclass === "mclose") {
- // Only some of the delimsizing functions act as fences, and they
- // return "mopen" or "mclose" mclass.
- node.setAttribute("fence", "true");
- } else {
- // Explicitly disable fencing if it's not a fence, to override the
- // defaults.
- node.setAttribute("fence", "false");
- }
-
- return node;
-};
-
-groupTypes$1.styling = function(group, options) {
- var inner = buildExpression$1(group.value.value, options);
-
- var node = new mathMLTree.MathNode("mstyle", inner);
-
- var styleAttributes = {
- "display": ["0", "true"],
- "text": ["0", "false"],
- "script": ["1", "false"],
- "scriptscript": ["2", "false"]
- };
-
- var attr = styleAttributes[group.value.style];
-
- node.setAttribute("scriptlevel", attr[0]);
- node.setAttribute("displaystyle", attr[1]);
-
- return node;
-};
-
-groupTypes$1.sizing = function(group, options) {
- var inner = buildExpression$1(group.value.value, options);
-
- var node = new mathMLTree.MathNode("mstyle", inner);
-
- // TODO(emily): This doesn't produce the correct size for nested size
- // changes, because we don't keep state of what style we're currently
- // in, so we can't reset the size to normal before changing it. Now
- // that we're passing an options parameter we should be able to fix
- // this.
- node.setAttribute(
- "mathsize", buildCommon$5.sizingMultiplier[group.value.size] + "em");
-
- return node;
-};
-
-groupTypes$1.overline = function(group, options) {
- var operator = new mathMLTree.MathNode(
- "mo", [new mathMLTree.TextNode("\u203e")]);
- operator.setAttribute("stretchy", "true");
-
- var node = new mathMLTree.MathNode(
- "mover",
- [buildGroup$1(group.value.body, options),
- operator]);
- node.setAttribute("accent", "true");
-
- return node;
-};
-
-groupTypes$1.underline = function(group, options) {
- var operator = new mathMLTree.MathNode(
- "mo", [new mathMLTree.TextNode("\u203e")]);
- operator.setAttribute("stretchy", "true");
-
- var node = new mathMLTree.MathNode(
- "munder",
- [buildGroup$1(group.value.body, options),
- operator]);
- node.setAttribute("accentunder", "true");
-
- return node;
-};
-
-groupTypes$1.rule = function(group) {
- // TODO(emily): Figure out if there's an actual way to draw black boxes
- // in MathML.
- var node = new mathMLTree.MathNode("mrow");
-
- return node;
-};
-
-groupTypes$1.kern = function(group) {
- // TODO(kevin): Figure out if there's a way to add space in MathML
- var node = new mathMLTree.MathNode("mrow");
-
- return node;
-};
-
-groupTypes$1.llap = function(group, options) {
- var node = new mathMLTree.MathNode(
- "mpadded", [buildGroup$1(group.value.body, options)]);
-
- node.setAttribute("lspace", "-1width");
- node.setAttribute("width", "0px");
-
- return node;
-};
-
-groupTypes$1.rlap = function(group, options) {
- var node = new mathMLTree.MathNode(
- "mpadded", [buildGroup$1(group.value.body, options)]);
-
- node.setAttribute("width", "0px");
-
- return node;
-};
-
-groupTypes$1.phantom = function(group, options) {
- var inner = buildExpression$1(group.value.value, options);
- return new mathMLTree.MathNode("mphantom", inner);
-};
-
-groupTypes$1.mclass = function(group, options) {
- var inner = buildExpression$1(group.value.value, options);
- return new mathMLTree.MathNode("mstyle", inner);
-};
-
-/**
- * Takes a list of nodes, builds them, and returns a list of the generated
- * MathML nodes. A little simpler than the HTML version because we don't do any
- * previous-node handling.
- */
-var buildExpression$1 = function(expression, options) {
- var groups = [];
- for (var i = 0; i < expression.length; i++) {
- var group = expression[i];
- groups.push(buildGroup$1(group, options));
- }
- return groups;
-};
-
-/**
- * Takes a group from the parser and calls the appropriate groupTypes function
- * on it to produce a MathML node.
- */
-var buildGroup$1 = function(group, options) {
- if (!group) {
- return new mathMLTree.MathNode("mrow");
- }
-
- if (groupTypes$1[group.type]) {
- // Call the groupTypes function
- return groupTypes$1[group.type](group, options);
- } else {
- throw new ParseError$4(
- "Got group of unknown type: '" + group.type + "'");
- }
-};
-
-/**
- * Takes a full parse tree and settings and builds a MathML representation of
- * it. In particular, we put the elements from building the parse tree into a
- * tag so we can also include that TeX source as an annotation.
- *
- * Note that we actually return a domTree element with a `