mirror of
https://github.com/wassname/template.git
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Ludwig Schubert
116 lines
3.7 KiB
JavaScript
116 lines
3.7 KiB
JavaScript
// Copyright 2018 The Distill Template Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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export default function(dom, data) {
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var textNodes = dom.createTreeWalker(
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dom.body,
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dom.defaultView.NodeFilter.SHOW_TEXT
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);
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while (textNodes.nextNode()) {
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var n = textNodes.currentNode,
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text = n.nodeValue;
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if (text && acceptNode(n)) {
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text = quotes(text);
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text = punctuation(text);
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n.nodeValue = text;
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}
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}
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}
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function acceptNode(node) {
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var parent = node.parentElement;
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var isMath = (parent && parent.getAttribute && parent.getAttribute("class")) ? parent.getAttribute("class").includes("katex") || parent.getAttribute("class").includes("MathJax") : false;
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return parent &&
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parent.nodeName !== "SCRIPT" &&
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parent.nodeName !== "STYLE" &&
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parent.nodeName !== "CODE" &&
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parent.nodeName !== "PRE" &&
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parent.nodeName !== "SPAN" &&
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parent.nodeName !== "DT-HEADER" &&
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parent.nodeName !== "DT-BYLINE" &&
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parent.nodeName !== "DT-MATH" &&
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parent.nodeName !== "DT-CODE" &&
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parent.nodeName !== "DT-BIBLIOGRAPHY" &&
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parent.nodeName !== "DT-FOOTER" &&
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parent.nodeType !== 8 && //comment nodes
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!isMath;
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}
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/*!
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* typeset - Typesetting for the web
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* @version v0.1.6
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* @link https://github.com/davidmerfield/Typeset.js
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* @author David Merfield
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*/
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// which has a CC0 license
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// http://creativecommons.org/publicdomain/zero/1.0/
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function punctuation(text){
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// Dashes
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text = text.replace(/--/g, '\u2014');
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text = text.replace(/ \u2014 /g,"\u2009\u2014\u2009"); //this has thin spaces
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// The following are temporary commented out because incompatibility
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// with katex
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// Elipses
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// text = text.replace(/\.\.\./g,'…');
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// Nbsp for punc with spaces
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// var NBSP = "\u00a0";
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// var NBSP_PUNCTUATION_START = /([«¿¡]) /g;
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// var NBSP_PUNCTUATION_END = / ([\!\?:;\.,‽»])/g;
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// text = text.replace(NBSP_PUNCTUATION_START, '$1' + NBSP);
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// text = text.replace(NBSP_PUNCTUATION_END, NBSP + '$1');
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return text;
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}
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function quotes(text) {
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text = text
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.replace(/(\W|^)"([^\s\!\?:;\.,‽»])/g, '$1\u201c$2') // beginning "
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.replace(/(\u201c[^"]*)"([^"]*$|[^\u201c"]*\u201c)/g, '$1\u201d$2') // ending "
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.replace(/([^0-9])"/g,'$1\u201d') // remaining " at end of word
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.replace(/(\W|^)'(\S)/g, '$1\u2018$2') // beginning '
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.replace(/([a-z])'([a-z])/ig, '$1\u2019$2') // conjunction's possession
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.replace(/((\u2018[^']*)|[a-z])'([^0-9]|$)/ig, '$1\u2019$3') // ending '
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.replace(/(\u2018)([0-9]{2}[^\u2019]*)(\u2018([^0-9]|$)|$|\u2019[a-z])/ig, '\u2019$2$3') // abbrev. years like '93
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.replace(/(\B|^)\u2018(?=([^\u2019]*\u2019\b)*([^\u2019\u2018]*\W[\u2019\u2018]\b|[^\u2019\u2018]*$))/ig, '$1\u2019') // backwards apostrophe
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.replace(/'''/g, '\u2034') // triple prime
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.replace(/("|'')/g, '\u2033') // double prime
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.replace(/'/g, '\u2032');
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// Allow escaped quotes
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text = text.replace(/\\“/, '\"');
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text = text.replace(/\\”/, '\"');
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text = text.replace(/\\’/, '\'');
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text = text.replace(/\\‘/, '\'');
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return text;
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}
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function ligatures(text){
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// text = text.replace(/fi/g, 'fi');
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// text = text.replace(/fl/g, 'fl');
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return text;
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};
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