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Files
homebrewery/shared/naturalcrit/markdown.js
2024-12-20 15:39:57 -05:00

964 lines
32 KiB
JavaScript

/* eslint-disable max-lines */
import _ from 'lodash';
import { Parser as MathParser } from 'expr-eval';
import { marked as Marked } from 'marked';
import MarkedExtendedTables from 'marked-extended-tables';
import { markedSmartypantsLite as MarkedSmartypantsLite } from 'marked-smartypants-lite';
import { gfmHeadingId as MarkedGFMHeadingId, resetHeadings as MarkedGFMResetHeadingIDs } from 'marked-gfm-heading-id';
import { markedEmoji as MarkedEmojis } from 'marked-emoji';
//Icon fonts included so they can appear in emoji autosuggest dropdown
import diceFont from '../../themes/fonts/iconFonts/diceFont.js';
import elderberryInn from '../../themes/fonts/iconFonts/elderberryInn.js';
import gameIcons from '../../themes/fonts/iconFonts/gameIcons.js';
import fontAwesome from '../../themes/fonts/iconFonts/fontAwesome.js';
const renderer = new Marked.Renderer();
const tokenizer = new Marked.Tokenizer();
//Limit math features to simple items
const mathParser = new MathParser({
operators : {
// These default to true, but are included to be explicit
add : true,
subtract : true,
multiply : true,
divide : true,
power : true,
round : true,
floor : true,
ceil : true,
abs : true,
sin : false, cos : false, tan : false, asin : false, acos : false,
atan : false, sinh : false, cosh : false, tanh : false, asinh : false,
acosh : false, atanh : false, sqrt : false, cbrt : false, log : false,
log2 : false, ln : false, lg : false, log10 : false, expm1 : false,
log1p : false, trunc : false, join : false, sum : false, indexOf : false,
'-' : false, '+' : false, exp : false, not : false, length : false,
'!' : false, sign : false, random : false, fac : false, min : false,
max : false, hypot : false, pyt : false, pow : false, atan2 : false,
'if' : false, gamma : false, roundTo : false, map : false, fold : false,
filter : false,
remainder : false, factorial : false,
comparison : false, concatenate : false,
logical : false, assignment : false,
array : false, fndef : false
}
});
// Add sign function
mathParser.functions.sign = function (a) {
if(a >= 0) return '+';
return '-';
};
// Add signed function
mathParser.functions.signed = function (a) {
if(a >= 0) return `+${a}`;
return `${a}`;
};
//Processes the markdown within an HTML block if it's just a class-wrapper
renderer.html = function (html) {
if(_.startsWith(_.trim(html), '<div') && _.endsWith(_.trim(html), '</div>')){
const openTag = html.substring(0, html.indexOf('>')+1);
html = html.substring(html.indexOf('>')+1);
html = html.substring(0, html.lastIndexOf('</div>'));
return `${openTag} ${Marked.parse(html)} </div>`;
}
return html;
};
// Don't wrap {{ Spans alone on a line, or {{ Divs in <p> tags
renderer.paragraph = function(text){
let match;
if(text.startsWith('<div') || text.startsWith('</div'))
return `${text}`;
else if(match = text.match(/(^|^.*?\n)<span class="inline-block(.*?<\/span>)$/)) {
return `${match[1].trim() ? `<p>${match[1]}</p>` : ''}<span class="inline-block${match[2]}`;
} else
return `<p>${text}</p>\n`;
};
//Fix local links in the Preview iFrame to link inside the frame
renderer.link = function (href, title, text) {
let self = false;
if(href[0] == '#') {
self = true;
}
href = cleanUrl(href);
if(href === null) {
return text;
}
let out = `<a href="${escape(href)}"`;
if(title) {
out += ` title="${title}"`;
}
if(self) {
out += ' target="_self"';
}
out += `>${text}</a>`;
return out;
};
// Expose `src` attribute as `--HB_src` to make the URL accessible via CSS
renderer.image = function (href, title, text) {
href = cleanUrl(href);
if(href === null)
return text;
let out = `<img src="${href}" alt="${text}" style="--HB_src:url(${href});"`;
if(title)
out += ` title="${title}"`;
out += '>';
return out;
};
// Disable default reflink behavior, as it steps on our variables extension
tokenizer.def = function () {
return undefined;
};
const mustacheSpans = {
name : 'mustacheSpans',
level : 'inline', // Is this a block-level or inline-level tokenizer?
start(src) { return src.match(/{{[^{]/)?.index; }, // Hint to Marked.js to stop and check for a match
tokenizer(src, tokens) {
const completeSpan = /^{{[^\n]*}}/; // Regex for the complete token
const inlineRegex = /{{(?=((?:[:=](?:"['\w,\-()#%=?. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1 *|}}/g;
const match = completeSpan.exec(src);
if(match) {
//Find closing delimiter
let blockCount = 0;
let tags = {};
let endTags = 0;
let endToken = 0;
let delim;
while (delim = inlineRegex.exec(match[0])) {
if(_.isEmpty(tags)) {
tags = processStyleTags(delim[0].substring(2));
endTags = delim[0].length;
}
if(delim[0].startsWith('{{')) {
blockCount++;
} else if(delim[0] == '}}' && blockCount !== 0) {
blockCount--;
if(blockCount == 0) {
endToken = inlineRegex.lastIndex;
break;
}
}
}
if(endToken) {
const raw = src.slice(0, endToken);
const text = raw.slice(endTags || -2, -2);
return { // Token to generate
type : 'mustacheSpans', // Should match "name" above
raw : raw, // Text to consume from the source
text : text, // Additional custom properties
tags : tags,
tokens : this.lexer.inlineTokens(text) // inlineTokens to process **bold**, *italics*, etc.
};
}
}
},
renderer(token) {
const tags = token.tags;
tags.classes = ['inline-block', tags.classes].join(' ').trim();
return `<span` +
`${tags.classes ? ` class="${tags.classes}"` : ''}` +
`${tags.id ? ` id="${tags.id}"` : ''}` +
`${tags.styles ? ` style="${tags.styles}"` : ''}` +
`${tags.attributes ? ` ${Object.entries(tags.attributes).map(([key, value])=>`${key}="${value}"`).join(' ')}` : ''}` +
`>${this.parser.parseInline(token.tokens)}</span>`; // parseInline to turn child tokens into HTML
}
};
const mustacheDivs = {
name : 'mustacheDivs',
level : 'block',
start(src) { return src.match(/\n *{{[^{]/m)?.index; }, // Hint to Marked.js to stop and check for a match
tokenizer(src, tokens) {
const completeBlock = /^ *{{[^\n}]* *\n.*\n *}}/s; // Regex for the complete token
const blockRegex = /^ *{{(?=((?:[:=](?:"['\w,\-()#%=?. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1 *$|^ *}}$/gm;
const match = completeBlock.exec(src);
if(match) {
//Find closing delimiter
let blockCount = 0;
let tags = {};
let endTags = 0;
let endToken = 0;
let delim;
while (delim = blockRegex.exec(match[0])?.[0].trim()) {
if(_.isEmpty(tags)) {
tags = processStyleTags(delim.substring(2));
endTags = delim.length + src.indexOf(delim);
}
if(delim.startsWith('{{')) {
blockCount++;
} else if(delim == '}}' && blockCount !== 0) {
blockCount--;
if(blockCount == 0) {
endToken = blockRegex.lastIndex;
break;
}
}
}
if(endToken) {
const raw = src.slice(0, endToken);
const text = raw.slice(endTags || -2, -2);
return { // Token to generate
type : 'mustacheDivs', // Should match "name" above
raw : raw, // Text to consume from the source
text : text, // Additional custom properties
tags : tags,
tokens : this.lexer.blockTokens(text)
};
}
}
},
renderer(token) {
const tags = token.tags;
tags.classes = ['block', tags.classes].join(' ').trim();
return `<div` +
`${tags.classes ? ` class="${tags.classes}"` : ''}` +
`${tags.id ? ` id="${tags.id}"` : ''}` +
`${tags.styles ? ` style="${tags.styles}"` : ''}` +
`${tags.attributes ? ` ${Object.entries(tags.attributes).map(([key, value])=>`${key}="${value}"`).join(' ')}` : ''}` +
`>${this.parser.parse(token.tokens)}</div>`; // parse to turn child tokens into HTML
}
};
const mustacheInjectInline = {
name : 'mustacheInjectInline',
level : 'inline',
start(src) { return src.match(/ *{[^{\n]/)?.index; }, // Hint to Marked.js to stop and check for a match
tokenizer(src, tokens) {
const inlineRegex = /^ *{(?=((?:[:=](?:"['\w,\-()#%=?. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1}/g;
const match = inlineRegex.exec(src);
if(match) {
const lastToken = tokens[tokens.length - 1];
if(!lastToken || lastToken.type == 'mustacheInjectInline')
return false;
const tags = processStyleTags(match[1]);
lastToken.originalType = lastToken.type;
lastToken.type = 'mustacheInjectInline';
lastToken.injectedTags = tags;
return {
type : 'mustacheInjectInline', // Should match "name" above
raw : match[0], // Text to consume from the source
text : ''
};
}
},
renderer(token) {
if(!token.originalType){
return;
}
token.type = token.originalType;
const text = this.parser.parseInline([token]);
const originalTags = extractHTMLStyleTags(text);
const injectedTags = token.injectedTags;
const tags = {
id : injectedTags.id || originalTags.id || null,
classes : [originalTags.classes, injectedTags.classes].join(' ').trim() || null,
styles : [originalTags.styles, injectedTags.styles].join(' ').trim() || null,
attributes : Object.assign(originalTags.attributes ?? {}, injectedTags.attributes ?? {})
};
const openingTag = /(<[^\s<>]+)[^\n<>]*(>.*)/s.exec(text);
if(openingTag) {
return `${openingTag[1]}` +
`${tags.classes ? ` class="${tags.classes}"` : ''}` +
`${tags.id ? ` id="${tags.id}"` : ''}` +
`${tags.styles ? ` style="${tags.styles}"` : ''}` +
`${!_.isEmpty(tags.attributes) ? ` ${Object.entries(tags.attributes).map(([key, value])=>`${key}="${value}"`).join(' ')}` : ''}` +
`${openingTag[2]}`; // parse to turn child tokens into HTML
}
return text;
}
};
const mustacheInjectBlock = {
extensions : [{
name : 'mustacheInjectBlock',
level : 'block',
start(src) { return src.match(/\n *{[^{\n]/m)?.index; }, // Hint to Marked.js to stop and check for a match
tokenizer(src, tokens) {
const inlineRegex = /^ *{(?=((?:[:=](?:"['\w,\-()#%=?. ]*"|[\w\-()#%.]*)|[^"=':{}\s]*)*))\1}/ym;
const match = inlineRegex.exec(src);
if(match) {
const lastToken = tokens[tokens.length - 1];
if(!lastToken || lastToken.type == 'mustacheInjectBlock')
return false;
lastToken.originalType = 'mustacheInjectBlock';
lastToken.injectedTags = processStyleTags(match[1]);
return {
type : 'mustacheInjectBlock', // Should match "name" above
raw : match[0], // Text to consume from the source
text : ''
};
}
},
renderer(token) {
if(!token.originalType){
return;
}
token.type = token.originalType;
const text = this.parser.parse([token]);
const originalTags = extractHTMLStyleTags(text);
const injectedTags = token.injectedTags;
const tags = {
id : injectedTags.id || originalTags.id || null,
classes : [originalTags.classes, injectedTags.classes].join(' ').trim() || null,
styles : [originalTags.styles, injectedTags.styles].join(' ').trim() || null,
attributes : Object.assign(originalTags.attributes ?? {}, injectedTags.attributes ?? {})
};
const openingTag = /(<[^\s<>]+)[^\n<>]*(>.*)/s.exec(text);
if(openingTag) {
return `${openingTag[1]}` +
`${tags.classes ? ` class="${tags.classes}"` : ''}` +
`${tags.id ? ` id="${tags.id}"` : ''}` +
`${tags.styles ? ` style="${tags.styles}"` : ''}` +
`${!_.isEmpty(tags.attributes) ? ` ${Object.entries(tags.attributes).map(([key, value])=>`${key}="${value}"`).join(' ')}` : ''}` +
`${openingTag[2]}`; // parse to turn child tokens into HTML
}
return text;
}
}],
walkTokens(token) {
// After token tree is finished, tag tokens to apply styles to so Renderer can find them
// Does not work with tables since Marked.js tables generate invalid "tokens", and changing "type" ruins Marked handling that edge-case
if(token.originalType == 'mustacheInjectBlock' && token.type !== 'table') {
token.originalType = token.type;
token.type = 'mustacheInjectBlock';
}
}
};
const superSubScripts = {
name : 'superSubScript',
level : 'inline',
start(src) { return src.match(/\^/m)?.index; }, // Hint to Marked.js to stop and check for a match
tokenizer(src, tokens) {
const superRegex = /^\^(?!\s)(?=([^\n\^]*[^\s\^]))\1\^/m;
const subRegex = /^\^\^(?!\s)(?=([^\n\^]*[^\s\^]))\1\^\^/m;
let isSuper = false;
let match = subRegex.exec(src);
if(!match){
match = superRegex.exec(src);
if(match)
isSuper = true;
}
if(match?.length) {
return {
type : 'superSubScript', // Should match "name" above
raw : match[0], // Text to consume from the source
tag : isSuper ? 'sup' : 'sub',
tokens : this.lexer.inlineTokens(match[1])
};
}
},
renderer(token) {
return `<${token.tag}>${this.parser.parseInline(token.tokens)}</${token.tag}>`;
}
};
const forcedParagraphBreaks = {
name : 'hardBreaks',
level : 'block',
start(src) { return src.match(/\n:+$/m)?.index; }, // Hint to Marked.js to stop and check for a match
tokenizer(src, tokens) {
const regex = /^(:+)(?:\n|$)/ym;
const match = regex.exec(src);
if(match?.length) {
return {
type : 'hardBreaks', // Should match "name" above
raw : match[0], // Text to consume from the source
length : match[1].length,
text : ''
};
}
},
renderer(token) {
return `<div class='blank'></div>`.repeat(token.length).concat('\n');
}
};
const nonbreakingSpaces = {
name : 'nonbreakingSpaces',
level : 'inline',
start(src) { return src.match(/:>+/m)?.index; }, // Hint to Marked.js to stop and check for a match
tokenizer(src, tokens) {
const regex = /:(>+)/ym;
const match = regex.exec(src);
if(match?.length) {
return {
type : 'nonbreakingSpaces', // Should match "name" above
raw : match[0], // Text to consume from the source
length : match[1].length,
text : ''
};
}
},
renderer(token) {
return `&nbsp;`.repeat(token.length).concat('');
}
};
const definitionListsSingleLine = {
name : 'definitionListsSingleLine',
level : 'block',
start(src) { return src.match(/\n[^\n]*?::[^\n]*/m)?.index; }, // Hint to Marked.js to stop and check for a match
tokenizer(src, tokens) {
const regex = /^([^\n]*?)::([^\n]*)(?:\n|$)/ym;
let match;
let endIndex = 0;
const definitions = [];
while (match = regex.exec(src)) {
const originalLine = match[0]; // This line and below to handle conflict with emojis
let firstLine = originalLine; // Remove in V4 when definitionListsInline updated to
this.lexer.inlineTokens(firstLine.trim()) // require spaces around `::`
.filter((t)=>t.type == 'emoji')
.map((emoji)=>firstLine = firstLine.replace(emoji.raw, 'x'.repeat(emoji.raw.length)));
const newMatch = /^([^\n]*?)::([^\n]*)(?:\n|$)/ym.exec(firstLine);
if(newMatch) {
definitions.push({
dt : this.lexer.inlineTokens(originalLine.slice(0, newMatch[1].length).trim()),
dd : this.lexer.inlineTokens(originalLine.slice(newMatch[1].length + 2).trim())
});
} // End of emoji hack.
endIndex = regex.lastIndex;
}
if(definitions.length) {
return {
type : 'definitionListsSingleLine',
raw : src.slice(0, endIndex),
definitions
};
}
},
renderer(token) {
return `<dl>${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 = match[2];
//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] ? 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 >-------------------=====^//
// 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 : [definitionListsMultiLine, definitionListsSingleLine, forcedParagraphBreaks,
nonbreakingSpaces, superSubScripts, mustacheSpans, mustacheDivs, mustacheInjectInline] });
Marked.use(mustacheInjectBlock);
Marked.use({ renderer: renderer, tokenizer: tokenizer, mangle: false });
Marked.use(MarkedExtendedTables(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 = {
'&' : '&amp;',
'<' : '&lt;',
'>' : '&gt;',
'"' : '&quot;',
'\'' : '&#39;'
};
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] = value;
return obj;
}, {}) || null;
const styles = tags?.length ? tags.map((tag)=>tag.replace(/:"?([^"]*)"?/g, ':$1;').trim()).join(' ') : null;
return {
id : id,
classes : classes,
styles : styles,
attributes : _.isEmpty(attributes) ? null : attributes
};
};
//Given a string representing an HTML element, extract all of its properties (id, class, style, and other attributes)
const extractHTMLStyleTags = (htmlString)=>{
const firstElementOnly = htmlString.split('>')[0];
const id = firstElementOnly.match(/id="([^"]*)"/)?.[1] || null;
const classes = firstElementOnly.match(/class="([^"]*)"/)?.[1] || null;
const styles = firstElementOnly.match(/style="([^"]*)"/)?.[1] || null;
const attributes = firstElementOnly.match(/[a-zA-Z]+="[^"]*"/g)
?.filter((attr)=>!attr.startsWith('class="') && !attr.startsWith('style="') && !attr.startsWith('id="'))
.reduce((obj, attr)=>{
const index = attr.indexOf('=');
let [key, value] = [attr.substring(0, index), attr.substring(index + 1)];
value = value.replace(/"/g, '');
obj[key] = value;
return obj;
}, {}) || null;
return {
id : id,
classes : classes,
styles : styles,
attributes : _.isEmpty(attributes) ? null : attributes
};
};
const globalVarsList = {};
let varsQueue = [];
let globalPageNumber = 0;
const Markdown = {
marked : Marked,
render : (rawBrewText, pageNumber=0)=>{
globalVarsList[pageNumber] = {}; //Reset global links for current page, to ensure values are parsed in order
varsQueue = []; //Could move into MarkedVariables()
globalPageNumber = pageNumber;
if(pageNumber==0) {
MarkedGFMResetHeadingIDs();
}
rawBrewText = rawBrewText.replace(/^\\column$/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;