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989 lines
34 KiB
JavaScript
989 lines
34 KiB
JavaScript
/* eslint-disable max-depth */
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/* eslint-disable max-lines */
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import _ from 'lodash';
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import { Parser as MathParser } from 'expr-eval';
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import { marked as Marked } from 'marked';
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import MarkedExtendedTables from 'marked-extended-tables';
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import { markedSmartypantsLite as MarkedSmartypantsLite } from 'marked-smartypants-lite';
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import { gfmHeadingId as MarkedGFMHeadingId, resetHeadings as MarkedGFMResetHeadingIDs } from 'marked-gfm-heading-id';
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import { markedEmoji as MarkedEmojis } from 'marked-emoji';
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import MarkedAlignedParagraphs from 'marked-alignment-paragraphs';
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import MarkedNonbreakingSpaces from 'marked-nonbreaking-spaces';
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import MarkedSubSuperText from 'marked-subsuper-text';
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import { romanize } from 'romans';
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import writtenNumber from 'written-number';
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//Icon fonts included so they can appear in emoji autosuggest dropdown
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import diceFont from '../../themes/fonts/iconFonts/diceFont.js';
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import elderberryInn from '../../themes/fonts/iconFonts/elderberryInn.js';
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import gameIcons from '../../themes/fonts/iconFonts/gameIcons.js';
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import fontAwesome from '../../themes/fonts/iconFonts/fontAwesome.js';
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const renderer = new Marked.Renderer();
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const tokenizer = new Marked.Tokenizer();
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//Limit math features to simple items
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const mathParser = new MathParser({
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operators : {
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// These default to true, but are included to be explicit
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add : true,
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subtract : true,
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multiply : true,
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divide : true,
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power : true,
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round : true,
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floor : true,
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ceil : true,
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abs : true,
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sin : false, cos : false, tan : false, asin : false, acos : false,
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atan : false, sinh : false, cosh : false, tanh : false, asinh : false,
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acosh : false, atanh : false, sqrt : false, cbrt : false, log : false,
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log2 : false, ln : false, lg : false, log10 : false, expm1 : false,
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log1p : false, trunc : false, join : false, sum : false, indexOf : false,
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'-' : false, '+' : false, exp : false, not : false, length : false,
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'!' : false, sign : false, random : false, fac : false, min : false,
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max : false, hypot : false, pyt : false, pow : false, atan2 : false,
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'if' : false, gamma : false, roundTo : false, map : false, fold : false,
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filter : false,
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remainder : false, factorial : false,
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comparison : false, concatenate : false,
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logical : false, assignment : false,
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array : false, fndef : false
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}
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});
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// Add sign function
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mathParser.functions.sign = function (a) {
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if(a >= 0) return '+';
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return '-';
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};
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// Add signed function
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mathParser.functions.signed = function (a) {
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if(a >= 0) return `+${a}`;
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return `${a}`;
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};
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// Add Roman numeral functions
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mathParser.functions.toRomans = function (a) {
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return romanize(a);
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};
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mathParser.functions.toRomansUpper = function (a) {
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return romanize(a).toUpperCase();
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};
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mathParser.functions.toRomansLower = function (a) {
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return romanize(a).toLowerCase();
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};
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// Add character functions
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mathParser.functions.toChar = function (a) {
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if(a <= 0) return a;
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const genChars = function (i) {
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return (i > 26 ? genChars(Math.floor((i - 1) / 26)) : '') + 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'[(i - 1) % 26];
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};
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return genChars(a);
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};
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mathParser.functions.toCharUpper = function (a) {
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return mathParser.functions.toChar(a).toUpperCase();
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};
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mathParser.functions.toCharLower = function (a) {
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return mathParser.functions.toChar(a).toLowerCase();
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};
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// Add word functions
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mathParser.functions.toWords = function (a) {
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return writtenNumber(a);
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};
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mathParser.functions.toWordsUpper = function (a) {
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return mathParser.functions.toWords(a).toUpperCase();
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};
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mathParser.functions.toWordsLower = function (a) {
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return mathParser.functions.toWords(a).toLowerCase();
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};
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mathParser.functions.toWordsCaps = function (a) {
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const words = mathParser.functions.toWords(a).split(' ');
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return words.map((word)=>{
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return word.replace(/(?:^|\b|\s)(\w)/g, function(w, index) {
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return index === 0 ? w.toLowerCase() : w.toUpperCase();
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});
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}).join(' ');
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};
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// Normalize variable names; trim edge spaces and shorten blocks of whitespace to 1 space
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const normalizeVarNames = (label)=>{
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return label.trim().replace(/\s+/g, ' ');
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};
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//Processes the markdown within an HTML block if it's just a class-wrapper
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renderer.html = function (token) {
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let html = token.text;
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if(_.startsWith(_.trim(html), '<div') && _.endsWith(_.trim(html), '</div>')){
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const openTag = html.substring(0, html.indexOf('>')+1);
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html = html.substring(html.indexOf('>')+1);
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html = html.substring(0, html.lastIndexOf('</div>'));
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return `${openTag} ${Marked.parse(html)} </div>`;
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}
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return html;
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};
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// Don't wrap {{ Spans alone on a line, or {{ Divs in <p> tags
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renderer.paragraph = function(token){
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let match;
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const text = this.parser.parseInline(token.tokens);
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if(text.startsWith('<div') || text.startsWith('</div'))
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return `${text}`;
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else if(match = text.match(/(^|^.*?\n)<span class="inline-block(.*?<\/span>)$/))
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return `${match[1].trim() ? `<p>${match[1]}</p>` : ''}<span class="inline-block${match[2]}`;
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else
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return `<p>${text}</p>\n`;
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};
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//Fix local links in the Preview iFrame to link inside the frame
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renderer.link = function (token) {
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let { href, title, tokens } = token;
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const text = this.parser.parseInline(tokens);
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let self = false;
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if(href[0] == '#') {
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self = true;
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}
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href = cleanUrl(href);
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if(href === null) {
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return text;
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}
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let out = `<a href="${escape(href)}"`;
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if(title) {
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out += ` title="${escape(title)}"`;
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}
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if(self) {
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out += ' target="_self"';
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}
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out += `>${text}</a>`;
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return out;
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};
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// Expose `src` attribute as `--HB_src` to make the URL accessible via CSS
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renderer.image = function (token) {
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const { href, title, text } = token;
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if(href === null)
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return text;
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let out = `<img src="${href}" alt="${text}" style="--HB_src:url(${href});"`;
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if(title)
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out += ` title="${title}"`;
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out += '>';
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return out;
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};
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// Disable default reflink behavior, as it steps on our variables extension
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tokenizer.def = function () {
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return undefined;
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};
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const mustacheSpans = {
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name : 'mustacheSpans',
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level : 'inline', // Is this a block-level or inline-level tokenizer?
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start(src) { return src.match(/{{[^{]/)?.index; }, // Hint to Marked.js to stop and check for a match
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tokenizer(src, tokens) {
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const completeSpan = /^{{[^\n]*}}/; // Regex for the complete token
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const inlineRegex = /{{(?=((?:[:=](?:"['\w,\-()#%=?. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1 *|}}/g;
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const match = completeSpan.exec(src);
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if(match) {
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//Find closing delimiter
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let blockCount = 0;
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let tags = {};
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let endTags = 0;
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let endToken = 0;
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let delim;
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while (delim = inlineRegex.exec(match[0])) {
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if(_.isEmpty(tags)) {
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tags = processStyleTags(delim[0].substring(2));
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endTags = delim[0].length;
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}
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if(delim[0].startsWith('{{')) {
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blockCount++;
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} else if(delim[0] == '}}' && blockCount !== 0) {
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blockCount--;
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if(blockCount == 0) {
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endToken = inlineRegex.lastIndex;
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break;
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}
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}
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}
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if(endToken) {
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const raw = src.slice(0, endToken);
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const text = raw.slice(endTags || -2, -2);
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return { // Token to generate
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type : 'mustacheSpans', // Should match "name" above
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raw : raw, // Text to consume from the source
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text : text, // Additional custom properties
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tags : tags,
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tokens : this.lexer.inlineTokens(text) // inlineTokens to process **bold**, *italics*, etc.
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};
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}
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}
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},
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renderer(token) {
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const tags = token.tags;
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tags.classes = ['inline-block', tags.classes].join(' ').trim();
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return `<span` +
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`${tags.classes ? ` class="${tags.classes}"` : ''}` +
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`${tags.id ? ` id="${tags.id}"` : ''}` +
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`${tags.styles ? ` style="${Object.entries(tags.styles).map(([key, value])=>`${key}:${value};`).join(' ')}"` : ''}` +
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`${tags.attributes ? ` ${Object.entries(tags.attributes).map(([key, value])=>`${key}="${value}"`).join(' ')}` : ''}` +
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`>${this.parser.parseInline(token.tokens)}</span>`; // parseInline to turn child tokens into HTML
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}
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};
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const mustacheDivs = {
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name : 'mustacheDivs',
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level : 'block',
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start(src) { return src.match(/\n *{{[^{]/m)?.index; }, // Hint to Marked.js to stop and check for a match
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tokenizer(src, tokens) {
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const completeBlock = /^ *{{[^\n}]* *\n.*\n *}}/s; // Regex for the complete token
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const blockRegex = /^ *{{(?=((?:[:=](?:"['\w,\-()#%=?. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1 *$|^ *}}$/gm;
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const match = completeBlock.exec(src);
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if(match) {
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//Find closing delimiter
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let blockCount = 0;
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let tags = {};
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let endTags = 0;
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let endToken = 0;
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let delim;
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while (delim = blockRegex.exec(match[0])?.[0].trim()) {
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if(_.isEmpty(tags)) {
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tags = processStyleTags(delim.substring(2));
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endTags = delim.length + src.indexOf(delim);
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}
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if(delim.startsWith('{{')) {
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blockCount++;
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} else if(delim == '}}' && blockCount !== 0) {
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blockCount--;
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if(blockCount == 0) {
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endToken = blockRegex.lastIndex;
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break;
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}
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}
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}
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if(endToken) {
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const raw = src.slice(0, endToken);
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const text = raw.slice(endTags || -2, -2);
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return { // Token to generate
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type : 'mustacheDivs', // Should match "name" above
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raw : raw, // Text to consume from the source
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text : text, // Additional custom properties
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tags : tags,
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tokens : this.lexer.blockTokens(text)
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};
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}
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}
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},
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renderer(token) {
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const tags = token.tags;
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tags.classes = ['block', tags.classes].join(' ').trim();
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return `<div` +
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`${tags.classes ? ` class="${tags.classes}"` : ''}` +
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`${tags.id ? ` id="${tags.id}"` : ''}` +
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`${tags.styles ? ` style="${Object.entries(tags.styles).map(([key, value])=>`${key}:${value};`).join(' ')}"` : ''}` +
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`${tags.attributes ? ` ${Object.entries(tags.attributes).map(([key, value])=>`${key}="${value}"`).join(' ')}` : ''}` +
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`>${this.parser.parse(token.tokens)}</div>`; // parse to turn child tokens into HTML
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}
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};
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const mustacheInjectInline = {
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name : 'mustacheInjectInline',
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level : 'inline',
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start(src) { return src.match(/ *{[^{\n]/)?.index; }, // Hint to Marked.js to stop and check for a match
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tokenizer(src, tokens) {
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const inlineRegex = /^ *{(?=((?:[:=](?:"['\w,\-()#%=?. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1}/g;
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const match = inlineRegex.exec(src);
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if(match) {
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const lastToken = tokens[tokens.length - 1];
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if(!lastToken || lastToken.type == 'mustacheInjectInline')
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return false;
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const tags = processStyleTags(match[1]);
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lastToken.originalType = lastToken.type;
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lastToken.type = 'mustacheInjectInline';
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lastToken.injectedTags = tags;
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return {
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type : 'mustacheInjectInline', // Should match "name" above
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raw : match[0], // Text to consume from the source
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text : ''
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};
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}
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},
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renderer(token) {
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if(!token.originalType){
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return;
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}
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token.type = token.originalType;
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const text = this.parser.parseInline([token]);
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const originalTags = extractHTMLStyleTags(text);
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const injectedTags = token.injectedTags;
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const tags = mergeHTMLTags(originalTags, injectedTags);
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const openingTag = /(<[^\s<>]+)[^\n<>]*(>.*)/s.exec(text);
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if(openingTag) {
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return `${openingTag[1]}` +
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`${tags.classes ? ` class="${tags.classes}"` : ''}` +
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`${tags.id ? ` id="${tags.id}"` : ''}` +
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`${!_.isEmpty(tags.styles) ? ` style="${Object.entries(tags.styles).map(([key, value])=>`${key}:${value};`).join(' ')}"` : ''}` +
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`${!_.isEmpty(tags.attributes) ? ` ${Object.entries(tags.attributes).map(([key, value])=>`${key}="${value}"`).join(' ')}` : ''}` +
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`${openingTag[2]}`; // parse to turn child tokens into HTML
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}
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return text;
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}
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};
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const mustacheInjectBlock = {
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extensions : [{
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name : 'mustacheInjectBlock',
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level : 'block',
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start(src) { return src.match(/\n *{[^{\n]/m)?.index; }, // Hint to Marked.js to stop and check for a match
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tokenizer(src, tokens) {
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const inlineRegex = /^ *{(?=((?:[:=](?:"['\w,\-()#%=?. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1}/ym;
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const match = inlineRegex.exec(src);
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if(match) {
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const lastToken = tokens[tokens.length - 1];
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if(!lastToken || lastToken.type == 'mustacheInjectBlock')
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return false;
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lastToken.originalType = 'mustacheInjectBlock';
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lastToken.injectedTags = processStyleTags(match[1]);
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return {
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type : 'mustacheInjectBlock', // Should match "name" above
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raw : match[0], // Text to consume from the source
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text : ''
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};
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}
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},
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renderer(token) {
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if(!token.originalType){
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return;
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}
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token.type = token.originalType;
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const text = this.parser.parse([token]);
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const originalTags = extractHTMLStyleTags(text);
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const injectedTags = token.injectedTags;
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const tags = mergeHTMLTags(originalTags, injectedTags);
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const openingTag = /(<[^\s<>]+)[^\n<>]*(>.*)/s.exec(text);
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if(openingTag) {
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return `${openingTag[1]}` +
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`${tags.classes ? ` class="${tags.classes}"` : ''}` +
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`${tags.id ? ` id="${tags.id}"` : ''}` +
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`${!_.isEmpty(tags.styles) ? ` style="${Object.entries(tags.styles).map(([key, value])=>`${key}:${value};`).join(' ')}"` : ''}` +
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`${!_.isEmpty(tags.attributes) ? ` ${Object.entries(tags.attributes).map(([key, value])=>`${key}="${value}"`).join(' ')}` : ''}` +
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`${openingTag[2]}`; // parse to turn child tokens into HTML
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}
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return text;
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}
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}],
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walkTokens(token) {
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// After token tree is finished, tag tokens to apply styles to so Renderer can find them
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// Does not work with tables since Marked.js tables generate invalid "tokens", and changing "type" ruins Marked handling that edge-case
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if(token.originalType == 'mustacheInjectBlock' && token.type !== 'table') {
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token.originalType = token.type;
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token.type = 'mustacheInjectBlock';
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}
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}
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};
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const forcedParagraphBreaks = {
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name : 'hardBreaks',
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level : 'block',
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start(src) { return src.match(/\n:+$/m)?.index; }, // Hint to Marked.js to stop and check for a match
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tokenizer(src, tokens) {
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const regex = /^(:+)(?:\n|$)/ym;
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const match = regex.exec(src);
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if(match?.length) {
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return {
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type : 'hardBreaks', // Should match "name" above
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raw : match[0], // Text to consume from the source
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length : match[1].length,
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text : ''
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};
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}
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},
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renderer(token) {
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return `<div class='blank'></div>\n`.repeat(token.length);
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}
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};
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const definitionListsSingleLine = {
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name : 'definitionListsSingleLine',
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level : 'block',
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start(src) { return src.match(/\n[^\n]*?::[^\n]*/m)?.index; }, // Hint to Marked.js to stop and check for a match
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tokenizer(src, tokens) {
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const regex = /^([^\n]*?)::([^\n]*)(?:\n|$)/ym;
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let match;
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let endIndex = 0;
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const definitions = [];
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while (match = regex.exec(src)) {
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const originalLine = match[0]; // This line and below to handle conflict with emojis
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let firstLine = originalLine; // Remove in V4 when definitionListsInline updated to
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this.lexer.inlineTokens(firstLine.trim()) // require spaces around `::`
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.filter((t)=>t.type == 'emoji')
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.map((emoji)=>firstLine = firstLine.replace(emoji.raw, 'x'.repeat(emoji.raw.length)));
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const newMatch = /^([^\n]*?)::([^\n]*)(?:\n|$)/ym.exec(firstLine);
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if(newMatch) {
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definitions.push({
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dt : this.lexer.inlineTokens(originalLine.slice(0, newMatch[1].length).trim()),
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dd : this.lexer.inlineTokens(originalLine.slice(newMatch[1].length + 2).trim())
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});
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} // End of emoji hack.
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endIndex = regex.lastIndex;
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}
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if(definitions.length) {
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return {
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type : 'definitionListsSingleLine',
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raw : src.slice(0, endIndex),
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definitions
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};
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}
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},
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renderer(token) {
|
|
return `<dl>${token.definitions.reduce((html, def)=>{
|
|
return `${html}<dt>${this.parser.parseInline(def.dt)}</dt>`
|
|
+ `<dd>${this.parser.parseInline(def.dd)}</dd>\n`;
|
|
}, '')}</dl>`;
|
|
}
|
|
};
|
|
|
|
const definitionListsMultiLine = {
|
|
name : 'definitionListsMultiLine',
|
|
level : 'block',
|
|
start(src) { return src.match(/\n[^\n]*\n::[^:\n]/m)?.index; }, // Hint to Marked.js to stop and check for a match
|
|
tokenizer(src, tokens) {
|
|
const regex = /(\n?\n?(?!::)[^\n]+?(?=\n::[^:\n]))|\n::([^:\n](?:.|\n)*?(?=(?:\n::)|(?:\n\n)|$))/y;
|
|
let match;
|
|
let endIndex = 0;
|
|
const definitions = [];
|
|
while (match = regex.exec(src)) {
|
|
if(match[1]) {
|
|
if(this.lexer.blockTokens(match[1].trim())[0]?.type !== 'paragraph') // DT must not be another block-level token besides <p>
|
|
break;
|
|
definitions.push({
|
|
dt : this.lexer.inlineTokens(match[1].trim()),
|
|
dds : []
|
|
});
|
|
}
|
|
if(match[2] && definitions.length) {
|
|
definitions[definitions.length - 1].dds.push(
|
|
this.lexer.inlineTokens(match[2].trim().replace(/\s/g, ' '))
|
|
);
|
|
}
|
|
endIndex = regex.lastIndex;
|
|
}
|
|
if(definitions.length) {
|
|
return {
|
|
type : 'definitionListsMultiLine',
|
|
raw : src.slice(0, endIndex),
|
|
definitions
|
|
};
|
|
}
|
|
},
|
|
renderer(token) {
|
|
let returnVal = `<dl>`;
|
|
token.definitions.forEach((def)=>{
|
|
const dds = def.dds.map((s)=>{
|
|
return `\n<dd>${this.parser.parseInline(s).trim()}</dd>`;
|
|
}).join('');
|
|
returnVal += `<dt>${this.parser.parseInline(def.dt)}</dt>${dds}\n`;
|
|
});
|
|
returnVal = returnVal.trim();
|
|
return `${returnVal}</dl>`;
|
|
}
|
|
};
|
|
|
|
//v=====--------------------< Variable Handling >-------------------=====v// 242 lines
|
|
const replaceVar = function(input, hoist=false, allowUnresolved=false) {
|
|
const regex = /([!$]?)\[((?!\s*\])(?:\\.|[^\[\]\\])+)\]/g;
|
|
const match = regex.exec(input);
|
|
|
|
const prefix = match[1];
|
|
const label = normalizeVarNames(match[2]); // Ensure the label name is normalized as it should be in the var stack.
|
|
|
|
//v=====--------------------< HANDLE MATH >-------------------=====v//
|
|
const mathRegex = /[a-z]+\(|[+\-*/^(),]/g;
|
|
const matches = label.split(mathRegex);
|
|
const mathVars = matches.filter((match)=>isNaN(match))?.map((s)=>s.trim()); // Capture any variable names
|
|
|
|
let replacedLabel = label;
|
|
|
|
if(prefix[0] == '$' && mathVars?.[0] !== label.trim()) {// If there was mathy stuff not captured, let's do math!
|
|
mathVars?.forEach((variable)=>{
|
|
const foundVar = lookupVar(variable, globalPageNumber, hoist);
|
|
if(foundVar && foundVar.resolved && foundVar.content && !isNaN(foundVar.content)) // Only subsitute math values if fully resolved, not empty strings, and numbers
|
|
replacedLabel = replacedLabel.replaceAll(new RegExp(`(?<!\\w)(${variable})(?!\\w)`, 'g'), foundVar.content);
|
|
});
|
|
|
|
try {
|
|
return mathParser.evaluate(replacedLabel);
|
|
} catch (error) {
|
|
return undefined; // Return undefined if invalid math result
|
|
}
|
|
}
|
|
//^=====--------------------< HANDLE MATH >-------------------=====^//
|
|
|
|
const foundVar = lookupVar(label, globalPageNumber, hoist);
|
|
|
|
if(!foundVar || (!foundVar.resolved && !allowUnresolved))
|
|
return undefined; // Return undefined if not found, or parially-resolved vars are not allowed
|
|
|
|
// url or <url> "title" or 'title' or (title)
|
|
const linkRegex = /^([^<\s][^\s]*|<.*?>)(?: ("(?:\\"|[^"])*"|'(?:\\'|[^'])*'|\((?:\\\(|\\\)|[^()])*\)))?$/m;
|
|
const linkMatch = linkRegex.exec(foundVar.content);
|
|
|
|
const href = linkMatch ? linkMatch[1] : null; //TODO: TRIM OFF < > IF PRESENT
|
|
const title = linkMatch ? linkMatch[2]?.slice(1, -1) : null;
|
|
|
|
if(!prefix[0] && href) // Link
|
|
return `[${label}](${href}${title ? ` "${title}"` : ''})`;
|
|
|
|
if(prefix[0] == '!' && href) // Image
|
|
return `![${label}](${href} ${title ? ` "${title}"` : ''})`;
|
|
|
|
if(prefix[0] == '$') // Variable
|
|
return foundVar.content;
|
|
};
|
|
|
|
const lookupVar = function(label, index, hoist=false) {
|
|
while (index >= 0) {
|
|
if(globalVarsList[index]?.[label] !== undefined)
|
|
return globalVarsList[index][label];
|
|
index--;
|
|
}
|
|
|
|
if(hoist) { //If normal lookup failed, attempt hoisting
|
|
index = Object.keys(globalVarsList).length; // Move index to start from last page
|
|
while (index >= 0) {
|
|
if(globalVarsList[index]?.[label] !== undefined)
|
|
return globalVarsList[index][label];
|
|
index--;
|
|
}
|
|
}
|
|
|
|
return undefined;
|
|
};
|
|
|
|
const processVariableQueue = function() {
|
|
let resolvedOne = true;
|
|
let finalLoop = false;
|
|
while (resolvedOne || finalLoop) { // Loop through queue until no more variable calls can be resolved
|
|
resolvedOne = false;
|
|
for (const item of varsQueue) {
|
|
if(item.type == 'text')
|
|
continue;
|
|
|
|
if(item.type == 'varDefBlock') {
|
|
const regex = /[!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\]/g;
|
|
let match;
|
|
let resolved = true;
|
|
let tempContent = item.content;
|
|
while (match = regex.exec(item.content)) { // regex to find variable calls
|
|
const value = replaceVar(match[0], true);
|
|
|
|
if(value == undefined)
|
|
resolved = false;
|
|
else
|
|
tempContent = tempContent.replaceAll(match[0], value);
|
|
}
|
|
|
|
if(resolved == true || item.content != tempContent) {
|
|
resolvedOne = true;
|
|
item.content = tempContent;
|
|
}
|
|
|
|
globalVarsList[globalPageNumber][item.varName] = {
|
|
content : item.content,
|
|
resolved : resolved
|
|
};
|
|
|
|
if(resolved)
|
|
item.type = 'resolved';
|
|
}
|
|
|
|
if(item.type == 'varCallBlock' || item.type == 'varCallInline') {
|
|
const value = replaceVar(item.content, true, finalLoop); // final loop will just use the best value so far
|
|
|
|
if(value == undefined)
|
|
continue;
|
|
|
|
resolvedOne = true;
|
|
item.content = value;
|
|
item.type = 'text';
|
|
}
|
|
}
|
|
varsQueue = varsQueue.filter((item)=>item.type !== 'resolved'); // Remove any fully-resolved variable definitions
|
|
|
|
if(finalLoop)
|
|
break;
|
|
if(!resolvedOne)
|
|
finalLoop = true;
|
|
}
|
|
varsQueue = varsQueue.filter((item)=>item.type !== 'varDefBlock');
|
|
};
|
|
|
|
function MarkedVariables() {
|
|
return {
|
|
hooks : {
|
|
preprocess(src) {
|
|
const codeBlockSkip = /^(?: {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+|^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})(?:[^\n]*)(?:\n|$)(?:|(?:[\s\S]*?)(?:\n|$))(?: {0,3}\2[~`]* *(?=\n|$))|`[^`]*?`/;
|
|
const blockDefRegex = /^[!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\]:(?!\() *((?:\n? *[^\s].*)+)(?=\n+|$)/; //Matches 3, [4]:5
|
|
const blockCallRegex = /^[!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\](?=\n|$)/; //Matches 6, [7]
|
|
const inlineDefRegex = /([!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\])\(([^\n]+)\)/; //Matches 8, 9[10](11)
|
|
const inlineCallRegex = /[!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\](?!\()/; //Matches 12, [13]
|
|
|
|
// Combine regexes and wrap in parens like so: (regex1)|(regex2)|(regex3)|(regex4)
|
|
const combinedRegex = new RegExp([codeBlockSkip, blockDefRegex, blockCallRegex, inlineDefRegex, inlineCallRegex].map((s)=>`(${s.source})`).join('|'), 'gm');
|
|
|
|
let lastIndex = 0;
|
|
let match;
|
|
while ((match = combinedRegex.exec(src)) !== null) {
|
|
// Format any matches into tokens and store
|
|
if(match.index > lastIndex) { // Any non-variable stuff
|
|
varsQueue.push(
|
|
{ type : 'text',
|
|
varName : null,
|
|
content : src.slice(lastIndex, match.index)
|
|
});
|
|
}
|
|
if(match[1]) {
|
|
varsQueue.push(
|
|
{ type : 'text',
|
|
varName : null,
|
|
content : match[0]
|
|
});
|
|
}
|
|
if(match[3]) { // Block Definition
|
|
const label = match[4] ? normalizeVarNames(match[4]) : null;
|
|
const content = match[5] ? match[5].trim().replace(/[ \t]+/g, ' ') : null; // Normalize text content (except newlines for block-level content)
|
|
|
|
varsQueue.push(
|
|
{ type : 'varDefBlock',
|
|
varName : label,
|
|
content : content
|
|
});
|
|
}
|
|
if(match[6]) { // Block Call
|
|
const label = match[7] ? normalizeVarNames(match[7]) : null;
|
|
|
|
varsQueue.push(
|
|
{ type : 'varCallBlock',
|
|
varName : label,
|
|
content : match[0]
|
|
});
|
|
}
|
|
if(match[8]) { // Inline Definition
|
|
const label = match[10] ? normalizeVarNames(match[10]) : null;
|
|
let content = match[11] || null;
|
|
|
|
// In case of nested (), find the correct matching end )
|
|
let level = 0;
|
|
let i;
|
|
for (i = 0; i < content.length; i++) {
|
|
if(content[i] === '\\') {
|
|
i++;
|
|
} else if(content[i] === '(') {
|
|
level++;
|
|
} else if(content[i] === ')') {
|
|
level--;
|
|
if(level < 0)
|
|
break;
|
|
}
|
|
}
|
|
combinedRegex.lastIndex = combinedRegex.lastIndex - (content.length - i);
|
|
content = content.slice(0, i).trim().replace(/\s+/g, ' ');
|
|
|
|
varsQueue.push(
|
|
{ type : 'varDefBlock',
|
|
varName : label,
|
|
content : content
|
|
});
|
|
varsQueue.push(
|
|
{ type : 'varCallInline',
|
|
varName : label,
|
|
content : match[9]
|
|
});
|
|
}
|
|
if(match[12]) { // Inline Call
|
|
const label = match[13] ? normalizeVarNames(match[13]) : null;
|
|
|
|
varsQueue.push(
|
|
{ type : 'varCallInline',
|
|
varName : label,
|
|
content : match[0]
|
|
});
|
|
}
|
|
lastIndex = combinedRegex.lastIndex;
|
|
}
|
|
|
|
if(lastIndex < src.length) {
|
|
varsQueue.push(
|
|
{ type : 'text',
|
|
varName : null,
|
|
content : src.slice(lastIndex)
|
|
});
|
|
}
|
|
|
|
processVariableQueue();
|
|
|
|
const output = varsQueue.map((item)=>item.content).join('');
|
|
varsQueue = []; // Must clear varsQueue because custom HTML renderer uses Marked.parse which will preprocess again without clearing the array
|
|
return output;
|
|
}
|
|
}
|
|
};
|
|
};
|
|
//^=====--------------------< Variable Handling >-------------------=====^//
|
|
|
|
// Emoji options
|
|
// To add more icon fonts, need to do these things
|
|
// 1) Add the font file as .woff2 to themes/fonts/iconFonts folder
|
|
// 2) Create a .less file mapping CSS class names to the font character
|
|
// 3) Create a .js file mapping Autosuggest names to CSS class names
|
|
// 4) Import the .less file into shared/naturalcrit/codeEditor/codeEditor.less
|
|
// 5) Import the .less file into themes/V3/blank.style.less
|
|
// 6) Import the .js file to shared/naturalcrit/codeEditor/autocompleteEmoji.js and add to `emojis` object
|
|
// 7) Import the .js file here to markdown.js, and add to `emojis` object below
|
|
const MarkedEmojiOptions = {
|
|
emojis : {
|
|
...diceFont,
|
|
...elderberryInn,
|
|
...fontAwesome,
|
|
...gameIcons,
|
|
},
|
|
renderer : (token)=>`<i class="${token.emoji}"></i>`
|
|
};
|
|
|
|
const tableTerminators = [
|
|
`:+\\n`, // hardBreak
|
|
` *{[^\n]+}`, // blockInjector
|
|
` *{{[^{\n]*\n.*?\n}}` // mustacheDiv
|
|
];
|
|
|
|
Marked.use(MarkedVariables());
|
|
Marked.use({ extensions : [justifiedParagraphs, definitionListsMultiLine, definitionListsSingleLine, forcedParagraphBreaks,
|
|
nonbreakingSpaces, mustacheSpans, mustacheDivs, mustacheInjectInline] });
|
|
Marked.use(mustacheInjectBlock);
|
|
Marked.use(MarkedAlignedParagraphs());
|
|
Marked.use(MarkedSubSuperText());
|
|
Marked.use(MarkedNonbreakingSpaces());
|
|
Marked.use({ renderer: renderer, tokenizer: tokenizer, mangle: false });
|
|
Marked.use(MarkedExtendedTables({ interruptPatterns: tableTerminators }), MarkedGFMHeadingId({ globalSlugs: true }),
|
|
MarkedSmartypantsLite(), MarkedEmojis(MarkedEmojiOptions));
|
|
|
|
function cleanUrl(href) {
|
|
try {
|
|
href = encodeURI(href).replace(/%25/g, '%');
|
|
} catch {
|
|
return null;
|
|
}
|
|
return href;
|
|
}
|
|
|
|
const escapeTest = /[&<>"']/;
|
|
const escapeReplace = /[&<>"']/g;
|
|
const escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
|
|
const escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
|
|
const escapeReplacements = {
|
|
'&' : '&',
|
|
'<' : '<',
|
|
'>' : '>',
|
|
'"' : '"',
|
|
'\'' : '''
|
|
};
|
|
const getEscapeReplacement = (ch)=>escapeReplacements[ch];
|
|
const escape = function (html, encode) {
|
|
if(encode) {
|
|
if(escapeTest.test(html)) {
|
|
return html.replace(escapeReplace, getEscapeReplacement);
|
|
}
|
|
} else {
|
|
if(escapeTestNoEncode.test(html)) {
|
|
return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
|
|
}
|
|
}
|
|
return html;
|
|
};
|
|
|
|
const tagTypes = ['div', 'span', 'a'];
|
|
const tagRegex = new RegExp(`(${
|
|
_.map(tagTypes, (type)=>{
|
|
return `\\<${type}\\b|\\</${type}>`;
|
|
}).join('|')})`, 'g');
|
|
|
|
// Special "void" tags that can be self-closed but don't need to be.
|
|
const voidTags = new Set([
|
|
'area', 'base', 'br', 'col', 'command', 'hr', 'img',
|
|
'input', 'keygen', 'link', 'meta', 'param', 'source'
|
|
]);
|
|
|
|
const processStyleTags = (string)=>{
|
|
//split tags up. quotes can only occur right after : or =.
|
|
//TODO: can we simplify to just split on commas?
|
|
const tags = string.match(/(?:[^, ":=]+|[:=](?:"[^"]*"|))+/g);
|
|
|
|
const id = _.remove(tags, (tag)=>tag.startsWith('#')).map((tag)=>tag.slice(1))[0] || null;
|
|
const classes = _.remove(tags, (tag)=>(!tag.includes(':')) && (!tag.includes('='))).join(' ') || null;
|
|
const attributes = _.remove(tags, (tag)=>(tag.includes('='))).map((tag)=>tag.replace(/="?([^"]*)"?/g, '="$1"'))
|
|
?.filter((attr)=>!attr.startsWith('class="') && !attr.startsWith('style="') && !attr.startsWith('id="'))
|
|
.reduce((obj, attr)=>{
|
|
const index = attr.indexOf('=');
|
|
let [key, value] = [attr.substring(0, index), attr.substring(index + 1)];
|
|
value = value.replace(/"/g, '');
|
|
obj[key.trim()] = value.trim();
|
|
return obj;
|
|
}, {}) || null;
|
|
const styles = tags?.length ? tags.reduce((styleObj, style)=>{
|
|
const index = style.indexOf(':');
|
|
const [key, value] = [style.substring(0, index), style.substring(index + 1)];
|
|
styleObj[key.trim()] = value.replace(/"?([^"]*)"?/g, '$1').trim();
|
|
return styleObj;
|
|
}, {}) : null;
|
|
|
|
return {
|
|
id : id,
|
|
classes : classes,
|
|
styles : _.isEmpty(styles) ? null : styles,
|
|
attributes : _.isEmpty(attributes) ? null : attributes
|
|
};
|
|
};
|
|
|
|
//Given a string representing an HTML element, extract all of its properties (id, class, style, and other attributes)
|
|
const extractHTMLStyleTags = (htmlString)=>{
|
|
const firstElementOnly = htmlString.split('>')[0];
|
|
const id = firstElementOnly.match(/id="([^"]*)"/)?.[1] || null;
|
|
const classes = firstElementOnly.match(/class="([^"]*)"/)?.[1] || null;
|
|
const styles = firstElementOnly.match(/style="([^"]*)"/)?.[1]
|
|
?.split(';').reduce((styleObj, style)=>{
|
|
if(style.trim() === '') return styleObj;
|
|
const index = style.indexOf(':');
|
|
const [key, value] = [style.substring(0, index), style.substring(index + 1)];
|
|
styleObj[key.trim()] = value.trim();
|
|
return styleObj;
|
|
}, {}) || null;
|
|
const attributes = firstElementOnly.match(/[a-zA-Z]+="[^"]*"/g)
|
|
?.filter((attr)=>!attr.startsWith('class="') && !attr.startsWith('style="') && !attr.startsWith('id="'))
|
|
.reduce((obj, attr)=>{
|
|
const index = attr.indexOf('=');
|
|
const [key, value] = [attr.substring(0, index), attr.substring(index + 1)];
|
|
obj[key.trim()] = value.replace(/"/g, '');
|
|
return obj;
|
|
}, {}) || null;
|
|
|
|
return {
|
|
id : id,
|
|
classes : classes,
|
|
styles : _.isEmpty(styles) ? null : styles,
|
|
attributes : _.isEmpty(attributes) ? null : attributes
|
|
};
|
|
};
|
|
|
|
const mergeHTMLTags = (originalTags, newTags)=>{
|
|
return {
|
|
id : newTags.id || originalTags.id || null,
|
|
classes : [originalTags.classes, newTags.classes].join(' ').trim() || null,
|
|
styles : Object.assign(originalTags.styles ?? {}, newTags.styles ?? {}),
|
|
attributes : Object.assign(originalTags.attributes ?? {}, newTags.attributes ?? {})
|
|
};
|
|
};
|
|
|
|
const globalVarsList = {};
|
|
let varsQueue = [];
|
|
let globalPageNumber = 0;
|
|
|
|
const Markdown = {
|
|
marked : Marked,
|
|
render : (rawBrewText, pageNumber=0)=>{
|
|
const lastPageNumber = pageNumber > 0 ? globalVarsList[pageNumber - 1].HB_pageNumber.content : 0;
|
|
globalVarsList[pageNumber] = { //Reset global links for current page, to ensure values are parsed in order
|
|
'HB_pageNumber' : { //Add document variables for this page
|
|
content : !isNaN(Number(lastPageNumber)) ? Number(lastPageNumber) + 1 : lastPageNumber,
|
|
resolved : true
|
|
}
|
|
};
|
|
varsQueue = []; //Could move into MarkedVariables()
|
|
globalPageNumber = pageNumber;
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if(pageNumber==0) {
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MarkedGFMResetHeadingIDs();
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}
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|
|
|
rawBrewText = rawBrewText.replace(/^\\column$/gm, `\n<div class='columnSplit'></div>\n`);
|
|
|
|
const opts = Marked.defaults;
|
|
|
|
rawBrewText = opts.hooks.preprocess(rawBrewText);
|
|
const tokens = Marked.lexer(rawBrewText, opts);
|
|
|
|
Marked.walkTokens(tokens, opts.walkTokens);
|
|
|
|
const html = Marked.parser(tokens, opts);
|
|
return opts.hooks.postprocess(html);
|
|
},
|
|
|
|
validate : (rawBrewText)=>{
|
|
const errors = [];
|
|
const leftovers = _.reduce(rawBrewText.split('\n'), (acc, line, _lineNumber)=>{
|
|
const lineNumber = _lineNumber + 1;
|
|
const matches = line.match(tagRegex);
|
|
if(!matches || !matches.length) return acc;
|
|
|
|
_.each(matches, (match)=>{
|
|
_.each(tagTypes, (type)=>{
|
|
if(match == `<${type}`){
|
|
acc.push({
|
|
type : type,
|
|
line : lineNumber
|
|
});
|
|
}
|
|
if(match === `</${type}>`){
|
|
// Closing tag: Check we expect it to be closed.
|
|
// The accumulator may contain a sequence of voidable opening tags,
|
|
// over which we skip before checking validity of the close.
|
|
while (acc.length && voidTags.has(_.last(acc).type) && _.last(acc).type != type) {
|
|
acc.pop();
|
|
}
|
|
// Now check that what remains in the accumulator is valid.
|
|
if(!acc.length){
|
|
errors.push({
|
|
line : lineNumber,
|
|
type : type,
|
|
text : 'Unmatched closing tag',
|
|
id : 'CLOSE'
|
|
});
|
|
} else if(_.last(acc).type == type){
|
|
acc.pop();
|
|
} else {
|
|
errors.push({
|
|
line : `${_.last(acc).line} to ${lineNumber}`,
|
|
type : type,
|
|
text : 'Type mismatch on closing tag',
|
|
id : 'MISMATCH'
|
|
});
|
|
acc.pop();
|
|
}
|
|
}
|
|
});
|
|
});
|
|
return acc;
|
|
}, []);
|
|
|
|
_.each(leftovers, (unmatched)=>{
|
|
errors.push({
|
|
line : unmatched.line,
|
|
type : unmatched.type,
|
|
text : 'Unmatched opening tag',
|
|
id : 'OPEN'
|
|
});
|
|
});
|
|
|
|
return errors;
|
|
},
|
|
};
|
|
|
|
export default Markdown;
|
|
|