mirror of
https://github.com/naturalcrit/homebrewery.git
synced 2025-12-24 18:32:41 +00:00
739 lines
24 KiB
JavaScript
739 lines
24 KiB
JavaScript
/* eslint-disable max-lines */
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const _ = require('lodash');
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const Marked = require('marked');
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const MarkedExtendedTables = require('marked-extended-tables');
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const { markedSmartypantsLite: MarkedSmartypantsLite } = require('marked-smartypants-lite');
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const { gfmHeadingId: MarkedGFMHeadingId } = require('marked-gfm-heading-id');
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const MathParser = require('expr-eval').Parser;
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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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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, abs : false, trunc : false, join : false, sum : 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, indexOf: 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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//Processes the markdown within an HTML block if it's just a class-wrapper
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renderer.html = function (html) {
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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} ${Marked.parse(html)} </div>`;
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}
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return html;
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};
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// Don't wrap {{ Divs or {{ empty Spans in <p> tags
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renderer.paragraph = function(text){
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let match;
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if(text.startsWith('<div') || text.startsWith('</div'))
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return `${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>${text}</p>\n`;
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};
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//Fix local links in the Preview iFrame to link inside the frame
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renderer.link = function (href, title, text) {
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let self = false;
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if(href[0] == '#') {
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self = true;
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}
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href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
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if(href === null) {
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return text;
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}
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let out = `<a href="${escape(href)}"`;
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if(title) {
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out += ` title="${title}"`;
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}
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if(self) {
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out += ' target="_self"';
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}
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out += `>${text}</a>`;
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return out;
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};
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// 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(!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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return `<span class="inline-block${token.tags}>${this.parser.parseInline(token.tokens)}</span>`; // parseInline to turn child tokens into HTML
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}
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};
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const mustacheDivs = {
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name : 'mustacheDivs',
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level : 'block',
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start(src) { return src.match(/\n *{{[^{]/m)?.index; }, // Hint to Marked.js to stop and check for a match
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tokenizer(src, tokens) {
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const completeBlock = /^ *{{[^\n}]* *\n.*\n *}}/s; // Regex for the complete token
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const blockRegex = /^ *{{(?=((?:[:=](?:"['\w,\-()#%. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1 *$|^ *}}$/gm;
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const match = completeBlock.exec(src);
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if(match) {
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//Find closing delimiter
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let blockCount = 0;
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let tags = '';
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let endTags = 0;
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let endToken = 0;
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let delim;
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while (delim = blockRegex.exec(match[0])?.[0].trim()) {
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if(!tags) {
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tags = `${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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return `<div class="block${token.tags}>${this.parser.parse(token.tokens)}</div>`; // parseInline 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 = `${processStyleTags(match[1])}`;
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lastToken.originalType = lastToken.type;
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lastToken.type = 'mustacheInjectInline';
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lastToken.tags = tags;
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return {
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type : 'text', // Should match "name" above
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raw : match[0], // Text to consume from the source
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text : ''
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};
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}
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},
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renderer(token) {
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token.type = token.originalType;
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const text = this.parser.parseInline([token]);
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const openingTag = /(<[^\s<>]+)([^\n<>]*>.*)/s.exec(text);
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if(openingTag) {
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return `${openingTag[1]} class="${token.tags}${openingTag[2]}`;
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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.tags = `${processStyleTags(match[1])}`;
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return {
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type : 'mustacheInjectBlock', // Should match "name" above
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raw : match[0], // Text to consume from the source
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text : ''
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};
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}
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},
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renderer(token) {
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if(!token.originalType){
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return;
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}
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token.type = token.originalType;
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const text = this.parser.parse([token]);
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const openingTag = /(<[^\s<>]+)([^\n<>]*>.*)/s.exec(text);
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if(openingTag) {
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return `${openingTag[1]} class="${token.tags}${openingTag[2]}`;
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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 superSubScripts = {
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name : 'superSubScript',
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level : 'inline',
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start(src) { return src.match(/\^/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 superRegex = /^\^(?!\s)(?=([^\n\^]*[^\s\^]))\1\^/m;
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const subRegex = /^\^\^(?!\s)(?=([^\n\^]*[^\s\^]))\1\^\^/m;
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let isSuper = false;
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let match = subRegex.exec(src);
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if(!match){
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match = superRegex.exec(src);
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if(match)
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isSuper = true;
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}
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if(match?.length) {
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return {
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type : 'superSubScript', // Should match "name" above
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raw : match[0], // Text to consume from the source
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tag : isSuper ? 'sup' : 'sub',
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tokens : this.lexer.inlineTokens(match[1])
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};
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}
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},
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renderer(token) {
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return `<${token.tag}>${this.parser.parseInline(token.tokens)}</${token.tag}>`;
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}
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};
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const definitionLists = {
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name : 'definitionLists',
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level : 'block',
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start(src) { return src.match(/^.*?::.*/m)?.index; }, // Hint to Marked.js to stop and check for a match
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tokenizer(src, tokens) {
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const regex = /^([^\n]*?)::([^\n]*)(?:\n|$)/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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definitions.push({
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dt : this.lexer.inlineTokens(match[1].trim()),
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dd : this.lexer.inlineTokens(match[2].trim())
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});
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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 : 'definitionLists',
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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) {
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return `<dl>${token.definitions.reduce((html, def)=>{
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return `${html}<dt>${this.parser.parseInline(def.dt)}</dt>`
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+ `<dd>${this.parser.parseInline(def.dd)}</dd>\n`;
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}, '')}</dl>`;
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}
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};
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//v=====--------------------< Variable Handling >-------------------=====v// 236 lines
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const replaceVar = function(input, hoist=false, allowUnresolved=false) {
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const regex = /([!$]?)\[((?!\s*\])(?:\\.|[^\[\]\\])+)\]/g;
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const match = regex.exec(input);
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const prefix = match[1];
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const label = match[2];
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//v=====--------------------< HANDLE MATH >-------------------=====v//
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let mathRegex = /[a-z]+\(|[+\-*/^()]/g;
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let matches = label.split(mathRegex)
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let mathVars = matches.filter(match => isNaN(match))?.map((s)=>s.trim()); // Capture any variable names
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let replacedLabel = label;
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if(mathVars?.[0] !== label.trim()) {// If there was mathy stuff not captured, let's do math!
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mathVars?.forEach((variable) => {
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const foundVar = lookupVar(variable, globalPageNumber, hoist);
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if(foundVar && foundVar.resolved && foundVar.content && !isNaN(foundVar.content)) // Only subsitute math values if fully resolved, not empty strings, and numbers
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replacedLabel = replacedLabel.replaceAll(variable, foundVar.content);
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});
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try {
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return mathParser.evaluate(replacedLabel);
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} catch (error) {
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return undefined; // Return undefined if invalid math result
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}
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}
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//^=====--------------------< HANDLE MATH >-------------------=====^//
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const foundVar = lookupVar(label, globalPageNumber, hoist);
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if(!foundVar || (!foundVar.resolved && !allowUnresolved))
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return undefined; // Return undefined if not found, or parially-resolved vars are not allowed
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// url or <url> "title" or 'title' or (title)
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const linkRegex = /^([^<\s][^\s]*|<.*?>)(?: ("(?:\\"|[^"])*"|'(?:\\'|[^'])*'|\((?:\\\(|\\\)|[^()])*\)))?$/m;
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const linkMatch = linkRegex.exec(foundVar.content);
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let href = linkMatch ? linkMatch[1] : null; //TODO: TRIM OFF < > IF PRESENT
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let title = linkMatch ? linkMatch[2]?.slice(1, -1) : null;
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if(!prefix[0] && href) // Link
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return `[${label}](${href}${title ? ` "${title}"` : ''})`;
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if(prefix[0] == '!' && href) // Image
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return `![${label}](${href} ${title ? ` "${title}"` : ''})`;
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if(prefix[0] == '$') // Variable
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return foundVar.content;
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};
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const lookupVar = function(label, index, hoist=false) {
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while (index >= 0) {
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if(globalVarsList[index]?.[label] !== undefined)
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return globalVarsList[index][label];
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index--;
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}
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if(hoist) { //If normal lookup failed, attempt hoisting
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index = Object.keys(globalVarsList).length; // Move index to start from last page
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while (index >= 0) {
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if(globalVarsList[index]?.[label] !== undefined)
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return globalVarsList[index][label];
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index--;
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}
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}
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return undefined;
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};
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const processVariableQueue = function() {
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let resolvedOne = true;
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let finalLoop = false;
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while (resolvedOne || finalLoop) { // Loop through queue until no more variable calls can be resolved
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resolvedOne = false;
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for (const item of varsQueue) {
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if(item.type == 'text')
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continue;
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if(item.type == 'varDefBlock') {
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const regex = /[!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\]/g;
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let match;
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let resolved = true;
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let tempContent = item.content;
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while (match = regex.exec(item.content)) { // regex to find variable calls
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const value = replaceVar(match[0], true);
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if(value == undefined)
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resolved = false;
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else
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tempContent = tempContent.replaceAll(match[0], value);
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}
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if(resolved == true || item.content != tempContent) {
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resolvedOne = true;
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item.content = tempContent;
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}
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globalVarsList[globalPageNumber][item.varName] = {
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content : item.content,
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resolved : resolved
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};
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if(resolved)
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item.type = 'resolved';
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}
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if(item.type == 'varCallBlock' || item.type == 'varCallInline') {
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const value = replaceVar(item.content, true, finalLoop); // final loop will just use the best value so far
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if(value == undefined)
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continue;
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resolvedOne = true;
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item.content = value;
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item.type = 'text';
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}
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}
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varsQueue = varsQueue.filter(item => item.type !== 'resolved'); // Remove any fully-resolved variable definitions
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if(finalLoop)
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break;
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if(!resolvedOne)
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finalLoop = true;
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}
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varsQueue = varsQueue.filter(item => item.type !== 'varDefBlock');
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};
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function MarkedVariables() {
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return {
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hooks: {
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preprocess(src) {
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const codeBlockSkip = /^(?: {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+|^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})(?:[^\n]*)(?:\n|$)(?:|(?:[\s\S]*?)(?:\n|$))(?: {0,3}\2[~`]* *(?=\n|$))|`[^`]*?`/;
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const blockDefRegex = /^[!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\]:(?!\() *((?:\n? *[^\s].*)+)(?=\n+|$)/; //Matches 3, [4]:5
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const blockCallRegex = /^[!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\](?=\n|$)/; //Matches 6, [7]
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|
const inlineDefRegex = /([!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\])\(([^\n]+)\)/; //Matches 8, 9[10](11)
|
|
const inlineCallRegex = /[!$]?\[((?!\s*\])(?:\\.|[^\[\]\\])+)\](?!\()/; //Matches 12, [13]
|
|
|
|
// Combine regexes and wrap in parens like so: (regex1)|(regex2)|(regex3)|(regex4)
|
|
let 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] ? match[4].trim().replace(/\s+/g, ' ') : null; // Trim edge spaces and shorten blocks of whitespace to 1 space
|
|
const content = match[5] ? match[5].trim().replace(/[ \t]+/g, ' ') : null; // Trim edge spaces and shorten blocks of whitespace to 1 space
|
|
|
|
varsQueue.push(
|
|
{ type : 'varDefBlock',
|
|
varName : label,
|
|
content : content
|
|
});
|
|
}
|
|
if(match[6]) { // Block Call
|
|
const label = match[7] ? match[7].trim().replace(/\s+/g, ' ') : null; // Trim edge spaces and shorten blocks of whitespace to 1 space
|
|
|
|
varsQueue.push(
|
|
{ type : 'varCallBlock',
|
|
varName : label,
|
|
content : match[0]
|
|
});
|
|
}
|
|
if(match[8]) { // Inline Definition
|
|
const label = match[10] ? match[10].trim().replace(/\s+/g, ' ') : null; // Trim edge spaces and shorten blocks of whitespace to 1 space
|
|
let content = match[11] ? match[11].trim().replace(/\s+/g, ' ') : null; // Trim edge spaces and shorten blocks of whitespace to 1 space
|
|
|
|
// 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;
|
|
}
|
|
}
|
|
if (i > -1) {
|
|
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] ? match[13].trim().replace(/\s+/g, ' ') : null; // Trim edge spaces and shorten blocks of whitespace to 1 space
|
|
|
|
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 >-------------------=====^//
|
|
|
|
Marked.use(MarkedVariables())
|
|
Marked.use({ extensions: [mustacheSpans, mustacheDivs, mustacheInjectInline, definitionLists, superSubScripts] });
|
|
Marked.use(mustacheInjectBlock);
|
|
Marked.use({ renderer: renderer, tokenizer: tokenizer, mangle: false });
|
|
Marked.use(MarkedExtendedTables(), MarkedGFMHeadingId(), MarkedSmartypantsLite());
|
|
|
|
const nonWordAndColonTest = /[^\w:]/g;
|
|
const cleanUrl = function (sanitize, base, href) {
|
|
if(sanitize) {
|
|
let prot;
|
|
try {
|
|
prot = decodeURIComponent(unescape(href))
|
|
.replace(nonWordAndColonTest, '')
|
|
.toLowerCase();
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
if(prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) {
|
|
return null;
|
|
}
|
|
}
|
|
try {
|
|
href = encodeURI(href).replace(/%25/g, '%');
|
|
} catch (e) {
|
|
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];
|
|
const classes = _.remove(tags, (tag)=>(!tag.includes(':')) && (!tag.includes('=')));
|
|
const attributes = _.remove(tags, (tag)=>(tag.includes('='))).map((tag)=>tag.replace(/="?([^"]*)"?/g, '="$1"'));
|
|
const styles = tags?.length ? tags.map((tag)=>tag.replace(/:"?([^"]*)"?/g, ':$1;').trim()) : [];
|
|
|
|
return `${classes?.length ? ` ${classes.join(' ')}` : ''}"` +
|
|
`${id ? ` id="${id}"` : ''}` +
|
|
`${styles?.length ? ` style="${styles.join(' ')}"` : ''}` +
|
|
`${attributes?.length ? ` ${attributes.join(' ')}` : ''}`;
|
|
};
|
|
|
|
const globalVarsList = {};
|
|
let varsQueue = [];
|
|
let globalPageNumber = 0;
|
|
|
|
module.exports = {
|
|
marked : Marked,
|
|
render : (rawBrewText, pageNumber=1)=>{
|
|
globalVarsList[pageNumber] = {}; //Reset global links for current page, to ensure values are parsed in order
|
|
varsQueue = []; //Could move into MarkedVariables()
|
|
globalPageNumber = pageNumber;
|
|
|
|
rawBrewText = rawBrewText.replace(/^\\column$/gm, `\n<div class='columnSplit'></div>\n`)
|
|
.replace(/^(:+)$/gm, (match)=>`${`<div class='blank'></div>`.repeat(match.length)}\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;
|
|
},
|
|
};
|