2.4.0

Trim whitespace

README.md

@@ -1,8 +1,6 @@
 # Distill Template
 
-_Disclaimer: This project is research code. It is not an official Google product._
-
-This is the repository for the distill web framework. 
+This is the repository for the Distill web framework. 
 
 ## Contributing
 
@@ -13,10 +11,12 @@ To contribute a change, [check out the contributing guide](CONTRIBUTING.md).
 
 ### Local Development
 
-Run `npm run start` to start a watching build rollup server. To view the sample pages in the repo, you can run `npm run serve` as a separate process which starts a static server. `npm run build` will run a one-time build.
+First, run `npm install` to install all node modules required. Then, run `npm run dev` to start a watching build rollup server. To view the sample pages in the repo, you can run `npm run serve` as a separate process which starts a static server. `npm run build` will run a one-time build.
 
 
-## License
+## Disclaimer & License
+
+_This project is research code. It is not an official product of Google or any other institution supporting Distill._
 
 Copyright 2018, The Distill Template Authors.
 

examples/article.html

@@ -32,7 +32,7 @@
       {
         "author":"Chris Olah",
         "authorURL":"https://colah.github.io/",
-        "affiliations": [{"name": "Google Brain", "url": "https://g.co/brain"}]
+        "affiliations": [{"name": "Google Brain"}]
       },
       {
         "author":"Ludwig Schubert",

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "distill-template",
-  "version": "2.2.19",
+  "version": "2.4.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "distill-template",
-  "version": "2.2.22",
+  "version": "2.4.0",
   "description": "Template for creating Distill articles.",
   "main": "dist/template.v2.js",
   "bin": {

src/components.js

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 import { Controller } from './controller';
+import { domContentLoaded } from './helpers/domContentLoaded.js';
 
 /* Transforms */
 import { makeStyleTag }    from './styles/styles';
@@ -55,13 +56,13 @@ const distillMain = function() {
     throw new Error('Runlevel 1: Distill Template is getting loaded more than once, aborting!');
   } else {
     window.distillTemplateIsLoading = true;
-    console.info('Runlevel 1: Distill Template has started loading.');
+    console.debug('Runlevel 1: Distill Template has started loading.');
   }
 
   /* 2. Add styles if they weren't added during prerendering */
   makeStyleTag(document);
-  console.info('Runlevel 1: Static Distill styles have been added.');
-  console.info('Runlevel 1->2.');
+  console.debug('Runlevel 1: Static Distill styles have been added.');
+  console.debug('Runlevel 1->2.');
   window.distillRunlevel += 1;
 
   /* 3. Register Controller listener functions */
@@ -73,8 +74,8 @@ const distillMain = function() {
       console.error('Runlevel 2: Controller listeners need to be functions!');
     }
   }
-  console.info('Runlevel 2: We can now listen to controller events.');
-  console.info('Runlevel 2->3.');
+  console.debug('Runlevel 2: We can now listen to controller events.');
+  console.debug('Runlevel 2->3.');
   window.distillRunlevel += 1;
 
   /* 4. Register components */
@@ -93,29 +94,31 @@ const distillMain = function() {
   }
   const allComponents = components.concat(distillComponents);
   for (const component of allComponents) {
-    console.info('Runlevel 2: Registering custom element: ' + component.is);
+    console.debug('Runlevel 2: Registering custom element: ' + component.is);
     customElements.define(component.is, component);
   }
 
-  console.info('Runlevel 3: Distill Template finished registering custom elements.');
-  console.info('Runlevel 3->4.');
+  console.debug('Runlevel 3: Distill Template finished registering custom elements.');
+  console.debug('Runlevel 3->4.');
   window.distillRunlevel += 1;
 
   // If template was added after DOMContentLoaded we may have missed that event.
   // Controller will check for that case, so trigger the event explicitly:
-  Controller.listeners.DOMContentLoaded();
+  if (domContentLoaded()) {
+    Controller.listeners.DOMContentLoaded();
+  }
 
-  console.info('Runlevel 4: Distill Template initialisation complete.');
+  console.debug('Runlevel 4: Distill Template initialisation complete.');
 };
 
 window.distillRunlevel = 0;
 /* 0. Check browser feature support; synchronously polyfill if needed */
 if (Polyfills.browserSupportsAllFeatures()) {
-  console.info('Runlevel 0: No need for polyfills.');
-  console.info('Runlevel 0->1.');
+  console.debug('Runlevel 0: No need for polyfills.');
+  console.debug('Runlevel 0->1.');
   window.distillRunlevel += 1;
   distillMain();
 } else {
-  console.info('Runlevel 0: Distill Template is loading polyfills.');
+  console.debug('Runlevel 0: Distill Template is loading polyfills.');
   Polyfills.load(distillMain);
 }

src/components/d-byline.js

@@ -24,11 +24,11 @@ export function bylineTemplate(frontMatter) {
         <p class="author">
           ${author.personalURL ? `
             <a class="name" href="${author.personalURL}">${author.name}</a>` : `
-            <div class="name">${author.name}</div>`}
+            <span class="name">${author.name}</span>`}
         </p>
         <p class="affiliation">
         ${author.affiliations.map(affiliation =>
-          affiliation.url ? `<a class="affiliation" href="${affiliation.url}">${affiliation.name}</a>` : `<div class="affiliation">${affiliation.name}</div>`
+          affiliation.url ? `<a class="affiliation" href="${affiliation.url}">${affiliation.name}</a>` : `<span class="affiliation">${affiliation.name}</span>`
         ).join(', ')}
         </p>
       `).join('')}

src/components/d-citation-list.js

@@ -16,7 +16,7 @@ import { bibliography_cite } from '../helpers/citation';
 
 const styles = `
 d-citation-list {
-  contain: layout style;
+  contain: style;
 }
 
 d-citation-list .references {

src/components/d-cite.js

@@ -23,7 +23,6 @@ const T = Template('d-cite', `
 }
 
 .citation {
-  display: inline-block;
   color: hsla(206, 90%, 20%, 0.7);
 }
 
@@ -48,10 +47,6 @@ figcaption .citation-number {
   line-height: 1em;
 }
 
-d-hover-box {
-  margin-top: 1.9em;
-}
-
 ul {
   margin: 0;
   padding: 0;
@@ -71,12 +66,19 @@ ul li:last-of-type {
 
 <d-hover-box id="hover-box"></d-hover-box>
 
-<div id="citation-" class="citation"><slot></slot><span class="citation-number"></span></div>
+<div id="citation-" class="citation">
+  <span class="citation-number"></span>
+</div>
 `);
 
 export class Cite extends T(HTMLElement) {
 
   /* Lifecycle */
+  constructor() {
+    super();
+    this._numbers = [];
+    this._entries = [];
+  }
 
   connectedCallback() {
     this.outerSpan = this.root.querySelector('#citation-');
@@ -85,6 +87,13 @@ export class Cite extends T(HTMLElement) {
     window.customElements.whenDefined('d-hover-box').then(() => {
       this.hoverBox.listen(this);
     });
+    // in case this component got connected after values were set
+    if (this.numbers) {
+      this.displayNumbers(this.numbers)
+    }
+    if (this.entries) {
+      this.displayEntries(this.entries)
+    }
   }
 
   //TODO This causes an infinite loop on firefox with polyfills.
@@ -103,7 +112,7 @@ export class Cite extends T(HTMLElement) {
 
   attributeChangedCallback(name, oldValue, newValue) {
     const eventName = oldValue ? 'onCiteKeyChanged' : 'onCiteKeyCreated';
-    const keys = newValue.split(',');
+    const keys = newValue.split(',').map(k => k.trim());
     const options = { detail: [this, keys], bubbles: true };
     const event = new CustomEvent(eventName, options);
     document.dispatchEvent(event);
@@ -124,21 +133,37 @@ export class Cite extends T(HTMLElement) {
   /* Setters & Rendering */
 
   set numbers(numbers) {
+    this._numbers = numbers;
+    this.displayNumbers(numbers);
+  }
+
+  get numbers() {
+    return this._numbers;
+  }
+
+  displayNumbers(numbers) {
+    if (!this.innerSpan) return;
     const numberStrings = numbers.map( index => {
       return index == -1 ? '?' : index + 1 + '';
     });
     const textContent = '[' + numberStrings.join(', ') + ']';
-    if (this.innerSpan) {
-      this.innerSpan.textContent = textContent;
-    }
+    this.innerSpan.textContent = textContent;
   }
 
   set entries(entries) {
-    if (this.hoverBox) {
-      this.hoverBox.innerHTML = `<ul>
+    this._entries = entries;
+    this.displayEntries(entries)
+  }
+
+  get entries() {
+    return this._entries;
+  }
+
+  displayEntries(entries) {
+    if (!this.hoverBox) return
+    this.hoverBox.innerHTML = `<ul>
       ${entries.map(hover_cite).map(html => `<li>${html}</li>`).join('\n')}
-      </ul>`;
-    }
+    </ul>`;
   }
 
 }

src/components/d-footnote.js

@@ -22,6 +22,7 @@ d-math[block] {
 }
 
 :host {
+
 }
 
 sup {
@@ -37,13 +38,6 @@ span {
   cursor: default;
 }
 
-.container {
-  position: absolute;
-  width: 100%;
-  left: 0;
-  z-index: 10000;
-}
-
 .footnote-container {
   padding: 10px;
 }

src/components/d-front-matter.js

@@ -30,12 +30,11 @@ export function _moveLegacyAffiliationFormatIntoArray(frontMatter) {
       author.affiliations = [newAffiliation];
     }
   }
-  console.log(frontMatter)
   return frontMatter
 }
 
 export function parseFrontmatter(element) {
-  const scriptTag = element.querySelector('script');
+  const scriptTag = element.firstElementChild;
   if (scriptTag) {
     const type = scriptTag.getAttribute('type');
     if (type.split('/')[1] == 'json') {

src/components/d-hover-box.js

@@ -20,9 +20,10 @@ const T = Template('d-hover-box', `
 :host {
   position: absolute;
   width: 100%;
-  left: 0;
+  left: 0px;
   z-index: 10000;
   display: none;
+  white-space: normal
 }
 
 .container {
@@ -40,10 +41,13 @@ const T = Template('d-hover-box', `
   left: 0;
   width: 100%;
   border: 1px solid rgba(0, 0, 0, 0.1);
-  background-color: rgb(250, 250, 250);
+  background-color: rgba(250, 250, 250, 0.95);
   box-shadow: 0 0 7px rgba(0, 0, 0, 0.1);
   border-radius: 4px;
   box-sizing: border-box;
+
+  backdrop-filter: blur(2px);
+  -webkit-backdrop-filter: blur(2px);
 }
 
 </style>
@@ -117,11 +121,14 @@ export class HoverBox extends T(HTMLElement) {
   show(position) {
     this.visible = true;
     this.style.display = 'block';
+    // 10px extra offset from element
+    this.style.top = Math.round(position[1] + 10) + 'px';
   }
 
   showAtNode(node) {
+    // https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/offsetTop
     const bbox = node.getBoundingClientRect();
-    this.show([bbox.right, bbox.bottom]);
+    this.show([node.offsetLeft + bbox.width, node.offsetTop + bbox.height]);
   }
 
   hide() {

src/components/d-math.js

@@ -30,7 +30,7 @@ ${katexCSSTag}
 
 :host {
   display: inline-block;
-  contain: content;
+  contain: style;
 }
 
 :host([block]) {
@@ -73,8 +73,7 @@ export class DMath extends Mutating(T(HTMLElement)) {
     }
     // transform inline delimited math to d-math tags
     if (DMath.katexOptions.delimiters) {
-      const article = document.querySelector('d-article');
-      renderMathInElement(article, DMath.katexOptions);
+      renderMathInElement(document.body, DMath.katexOptions);
     }
   }
 

src/controller.js

@@ -15,14 +15,12 @@
 import { FrontMatter, mergeFromYMLFrontmatter } from './front-matter';
 import { DMath } from './components/d-math';
 import { collect_citations } from './helpers/citation.js';
+import { domContentLoaded } from './helpers/domContentLoaded.js';
 import { parseFrontmatter } from './components/d-front-matter';
 import optionalComponents from './transforms/optional-components';
 
 const frontMatter = new FrontMatter();
 
-function domContentLoaded() {
-  return ['interactive', 'complete'].indexOf(document.readyState) !== -1;
-}
 
 export const Controller = {
 
@@ -109,7 +107,7 @@ export const Controller = {
 
 
       if (citationListTag.hasAttribute('distill-prerendered')) {
-        console.info('Citation list was prerendered; not updating it.');
+        console.debug('Citation list was prerendered; not updating it.');
       } else {
         const entries = new Map(frontMatter.citations.map( citationKey => {
           return [citationKey, frontMatter.bibliography.get(citationKey)];
@@ -167,11 +165,11 @@ export const Controller = {
         console.warn('Controller received DOMContentLoaded but was already loaded!');
         return;
       } else if (!domContentLoaded()) {
-        console.warn('Controller received DOMContentLoaded before appropriate document.readyState!');
+        console.warn('Controller received DOMContentLoaded at document.readyState: ' + document.readyState + '!');
         return;
       } else {
         Controller.loaded = true;
-        console.log('Runlevel 4: Controller running DOMContentLoaded');
+        console.debug('Runlevel 4: Controller running DOMContentLoaded');
       }
 
       const frontMatterTag = document.querySelector('d-front-matter');

src/front-matter.js

@@ -96,6 +96,7 @@ export function mergeFromYMLFrontmatter(target, source) {
   target.authors = source.authors.map( (authorObject) => new Author(authorObject));
   target.katex = source.katex;
   target.password = source.password;
+  target.doi = source.doi;
 }
 
 export class FrontMatter {

src/helpers/domContentLoaded.js

@@ -0,0 +1,3 @@
+export function domContentLoaded() {
+  return ['interactive', 'complete'].indexOf(document.readyState) !== -1;
+}

src/helpers/polyfills.js

@@ -13,7 +13,7 @@
 // limitations under the License.
 
 export function addPolyfill(polyfill, polyfillLoadedCallback) {
-  console.info('Runlevel 0: Polyfill required: ' + polyfill.name);
+  console.debug('Runlevel 0: Polyfill required: ' + polyfill.name);
   const script = document.createElement('script');
   script.src = polyfill.url;
   script.async = false;
@@ -58,11 +58,11 @@ export class Polyfills {
     // Define an intermediate callback that checks if all is loaded.
     const polyfillLoaded = function(polyfill) {
       polyfill.loaded = true;
-      console.info('Runlevel 0: Polyfill has finished loading: ' + polyfill.name);
-      // console.info(window[polyfill.name]);
+      console.debug('Runlevel 0: Polyfill has finished loading: ' + polyfill.name);
+      // console.debug(window[polyfill.name]);
       if (Polyfills.neededPolyfills.every((poly) => poly.loaded)) {
-        console.info('Runlevel 0: All required polyfills have finished loading.');
-        console.info('Runlevel 0->1.');
+        console.debug('Runlevel 0: All required polyfills have finished loading.');
+        console.debug('Runlevel 0->1.');
         window.distillRunlevel = 1;
         callback();
       }

src/styles/d-article.css

@@ -227,7 +227,7 @@ d-figure {
 /* KaTeX */
 
 .katex, .katex-prerendered {
-  contain: content;
+  contain: style;
   display: inline-block;
 }
 

src/styles/d-byline.css

@@ -15,7 +15,7 @@
  */
 
 d-byline {
-  contain: content;
+  contain: style;
   overflow: hidden;
   border-top: 1px solid rgba(0, 0, 0, 0.1);
   font-size: 0.8rem;

src/transforms/mathematics.js

@@ -17,20 +17,20 @@ import { renderMathInElement } from '../helpers/katex-auto-render';
 
 export default function(dom, data) {
   let needsCSS = false;
-  const article = dom.querySelector('d-article');
+  const body = dom.querySelector('body');
 
-  if (!article) {
-    console.warn("No d-article tag found!");
+  if (!body) {
+    console.warn("No body tag found!");
     return;
   }
 
   if (data.katex && data.katex.delimiters) {
     global.document = dom;
-    renderMathInElement(article, data.katex);
+    renderMathInElement(body, data.katex);
   }
 
   // render d-math tags
-  const mathTags = article.querySelectorAll('d-math');
+  const mathTags = body.querySelectorAll('d-math');
   if (mathTags.length > 0) {
     needsCSS = true;
     console.warn(`Prerendering ${mathTags.length} math tags...`);

src/transforms/optional-components.js

@@ -43,7 +43,7 @@ export default function(dom, data) {
 
   let title = dom.querySelector('d-title');
   if (!title) {
-    let title = dom.createElement('d-title');
+    title = dom.createElement('d-title');
     body.insertBefore(title, byline);
   }
 

src/transforms/polyfills.js

@@ -67,7 +67,7 @@ export default function render(dom) {
   if (templateTag) {
     templateTag.parentNode.removeChild(templateTag);
   } else {
-    console.info('FYI: Did not find template tag when trying to remove it. You may not have added it. Be aware that our polyfills will add it.')
+    console.debug('FYI: Did not find template tag when trying to remove it. You may not have added it. Be aware that our polyfills will add it.')
   }
 
   // add loader

src/transforms/typeset.js

@@ -24,12 +24,17 @@ export default function(dom) {
     if (text && acceptNode(n)) {
       text = quotes(text);
       text = punctuation(text);
-      text = ligatures(text);
+      // TODO: Add back support for ligatures once their uppercased versions don't hang Chrome search anymore
+      // see: https://bugs.chromium.org/p/chromium/issues/detail?id=862648
+      // text = ligatures(text);
       n.nodeValue = text;
     }
   }
 }
 
+// 2018-07-11 shancarter@ and ludwigschubert@ no longer know what this was meant to accomplish
+// if it was trying to not replace text in any child nodes of those listed here,
+// then it does not accomplish that.
 function acceptNode(node) {
   var parent = node.parentElement;
   var isMath = (parent && parent.getAttribute && parent.getAttribute('class')) ? parent.getAttribute('class').includes('katex') || parent.getAttribute('class').includes('MathJax') : false;