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-rw-r--r--webapp/utils/markdown.jsx357
1 files changed, 10 insertions, 347 deletions
diff --git a/webapp/utils/markdown.jsx b/webapp/utils/markdown.jsx
index 2ddd3fe11..809ecc526 100644
--- a/webapp/utils/markdown.jsx
+++ b/webapp/utils/markdown.jsx
@@ -13,40 +13,6 @@ function markdownImageLoaded(image) {
}
window.markdownImageLoaded = markdownImageLoaded;
-class MattermostInlineLexer extends marked.InlineLexer {
- constructor(links, options) {
- super(links, options);
-
- this.rules = Object.assign({}, this.rules);
-
- // modified version of the regex that allows for links starting with www and those surrounded by parentheses
- // the original is /^[\s\S]+?(?=[\\<!\[_*`~]|https?:\/\/| {2,}\n|$)/
- this.rules.text = /^[\s\S]+?(?=[\\<!\[_*`~]|https?:\/\/|www\.|\(| {2,}\n|$)/;
-
- // modified version of the regex that allows links starting with www and those surrounded by parentheses
- // the original is /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/
- this.rules.url = /^(\(?(?:https?:\/\/|www\.)[^\s<.][^\s<]*[^<.,:;"'\]\s])/;
-
- // modified version of the regex that allows <links> starting with www.
- // the original is /^<([^ >]+(@|:\/)[^ >]+)>/
- this.rules.autolink = /^<((?:[^ >]+(@|:\/)|www\.)[^ >]+)>/;
- }
-}
-
-class MattermostParser extends marked.Parser {
- parse(src) {
- this.inline = new MattermostInlineLexer(src.links, this.options, this.renderer);
- this.tokens = src.reverse();
-
- var out = '';
- while (this.next()) {
- out += this.tok();
- }
-
- return out;
- }
-}
-
class MattermostMarkdownRenderer extends marked.Renderer {
constructor(options, formattingOptions = {}) {
super(options);
@@ -109,18 +75,6 @@ class MattermostMarkdownRenderer extends marked.Renderer {
link(href, title, text) {
let outHref = href;
- let outText = text;
- let prefix = '';
- let suffix = '';
-
- // some links like https://en.wikipedia.org/wiki/Rendering_(computer_graphics) contain brackets
- // and we try our best to differentiate those from ones just wrapped in brackets when autolinking
- if (outHref.startsWith('(') && outHref.endsWith(')') && text === outHref) {
- prefix = '(';
- suffix = ')';
- outText = text.substring(1, text.length - 1);
- outHref = outHref.substring(1, outHref.length - 1);
- }
try {
const unescaped = decodeURIComponent(unescape(href)).replace(/[^\w:]/g, '').toLowerCase();
@@ -149,9 +103,9 @@ class MattermostMarkdownRenderer extends marked.Renderer {
output += ' title="' + title + '"';
}
- output += '>' + outText + '</a>';
+ output += '>' + text + '</a>';
- return prefix + output + suffix;
+ return output;
}
paragraph(text) {
@@ -166,13 +120,19 @@ class MattermostMarkdownRenderer extends marked.Renderer {
return `<div class="table-responsive"><table class="markdown__table"><thead>${header}</thead><tbody>${body}</tbody></table></div>`;
}
- listitem(text) {
+ listitem(text, bullet) {
const taskListReg = /^\[([ |xX])\] /;
const isTaskList = taskListReg.exec(text);
if (isTaskList) {
return `<li class="list-item--task-list">${'<input type="checkbox" disabled="disabled" ' + (isTaskList[1] === ' ' ? '' : 'checked="checked" ') + '/> '}${text.replace(taskListReg, '')}</li>`;
}
+
+ if (/^\d+.$/.test(bullet)) {
+ // this is a numbered list item so override the numbering
+ return `<li value="${parseInt(bullet, 10)}">${text}</li>`;
+ }
+
return `<li>${text}</li>`;
}
@@ -181,301 +141,6 @@ class MattermostMarkdownRenderer extends marked.Renderer {
}
}
-class MattermostLexer extends marked.Lexer {
- token(originalSrc, top, bq) {
- let src = originalSrc.replace(/^ +$/gm, '');
-
- while (src) {
- // newline
- let cap = this.rules.newline.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
- if (cap[0].length > 1) {
- this.tokens.push({
- type: 'space'
- });
- }
- }
-
- // code
- cap = this.rules.code.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
- cap = cap[0].replace(/^ {4}/gm, '');
- this.tokens.push({
- type: 'code',
- text: this.options.pedantic ? cap : cap.replace(/\n+$/, '')
- });
- continue;
- }
-
- // fences (gfm)
- cap = this.rules.fences.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'code',
- lang: cap[2],
- text: cap[3] || ''
- });
- continue;
- }
-
- // heading
- cap = this.rules.heading.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'heading',
- depth: cap[1].length,
- text: cap[2]
- });
- continue;
- }
-
- // table no leading pipe (gfm)
- cap = this.rules.nptable.exec(src);
- if (top && cap) {
- src = src.substring(cap[0].length);
-
- const item = {
- type: 'table',
- header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
- align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
- cells: cap[3].replace(/\n$/, '').split('\n')
- };
-
- for (let i = 0; i < item.align.length; i++) {
- if (/^ *-+: *$/.test(item.align[i])) {
- item.align[i] = 'right';
- } else if (/^ *:-+: *$/.test(item.align[i])) {
- item.align[i] = 'center';
- } else if (/^ *:-+ *$/.test(item.align[i])) {
- item.align[i] = 'left';
- } else {
- item.align[i] = null;
- }
- }
-
- for (let i = 0; i < item.cells.length; i++) {
- item.cells[i] = item.cells[i].split(/ *\| */);
- }
-
- this.tokens.push(item);
-
- continue;
- }
-
- // lheading
- cap = this.rules.lheading.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'heading',
- depth: cap[2] === '=' ? 1 : 2,
- text: cap[1]
- });
- continue;
- }
-
- // hr
- cap = this.rules.hr.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'hr'
- });
- continue;
- }
-
- // blockquote
- cap = this.rules.blockquote.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
-
- this.tokens.push({
- type: 'blockquote_start'
- });
-
- cap = cap[0].replace(/^ *> ?/gm, '');
-
- // Pass `top` to keep the current
- // "toplevel" state. This is exactly
- // how markdown.pl works.
- this.token(cap, top, true);
-
- this.tokens.push({
- type: 'blockquote_end'
- });
-
- continue;
- }
-
- // list
- cap = this.rules.list.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
- const bull = cap[2];
-
- this.tokens.push({
- type: 'list_start',
- ordered: bull.length > 1
- });
-
- // Get each top-level item.
- cap = cap[0].match(this.rules.item);
-
- let next = false;
- const l = cap.length;
- let i = 0;
-
- for (; i < l; i++) {
- let item = cap[i];
-
- // Remove the list item's bullet
- // so it is seen as the next token.
- let space = item.length;
- item = item.replace(/^ *([*+-]|\d+\.) +/, '');
-
- // Outdent whatever the
- // list item contains. Hacky.
- if (~item.indexOf('\n ')) {
- space -= item.length;
- item = this.options.pedantic ?
- item.replace(/^ {1,4}/gm, '') :
- item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '');
- }
-
- // Determine whether the next list item belongs here.
- // Backpedal if it does not belong in this list.
- if (this.options.smartLists && i !== l - 1) {
- const b = this.rules.bullet.exec(cap[i + 1])[0];
- if (bull !== b && !(bull.length > 1 && b.length > 1)) {
- src = cap.slice(i + 1).join('\n') + src;
- i = l - 1;
- }
- }
-
- // Determine whether item is loose or not.
- // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
- // for discount behavior.
- let loose = next || (/\n\n(?!\s*$)/).test(item);
- if (i !== l - 1) {
- next = item.charAt(item.length - 1) === '\n';
- if (!loose) {
- loose = next;
- }
- }
-
- this.tokens.push({
- type: loose ?
- 'loose_item_start' :
- 'list_item_start'
- });
-
- // Recurse.
- this.token(item, false, bq);
-
- this.tokens.push({
- type: 'list_item_end'
- });
- }
-
- this.tokens.push({
- type: 'list_end'
- });
-
- continue;
- }
-
- // html
- cap = this.rules.html.exec(src);
- if (cap) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: this.options.sanitize ? 'paragraph' : 'html',
- pre: !this.options.sanitizer && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
- text: cap[0]
- });
- continue;
- }
-
- // def
- cap = this.rules.def.exec(src);
- if ((!bq && top) && cap) {
- src = src.substring(cap[0].length);
- this.tokens.links[cap[1].toLowerCase()] = {
- href: cap[2],
- title: cap[3]
- };
- continue;
- }
-
- // table (gfm)
- cap = this.rules.table.exec(src);
- if (top && cap) {
- src = src.substring(cap[0].length);
-
- const item = {
- type: 'table',
- header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
- align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
- cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
- };
-
- for (let i = 0; i < item.align.length; i++) {
- if (/^ *-+: *$/.test(item.align[i])) {
- item.align[i] = 'right';
- } else if (/^ *:-+: *$/.test(item.align[i])) {
- item.align[i] = 'center';
- } else if (/^ *:-+ *$/.test(item.align[i])) {
- item.align[i] = 'left';
- } else {
- item.align[i] = null;
- }
- }
-
- for (let i = 0; i < item.cells.length; i++) {
- item.cells[i] = item.cells[i].replace(/^ *\| *| *\| *$/g, '').split(/ *\| */);
- }
-
- this.tokens.push(item);
-
- continue;
- }
-
- // top-level paragraph
- cap = this.rules.paragraph.exec(src);
- if (top && cap) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'paragraph',
- text: cap[1].charAt(cap[1].length - 1) === '\n' ? cap[1].slice(0, -1) : cap[1]
- });
- continue;
- }
-
- // text
- cap = this.rules.text.exec(src);
- if (cap) {
- // Top-level should never reach here.
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'text',
- text: cap[0]
- });
- continue;
- }
-
- if (src) {
- throw new Error('Infinite loop on byte: ' + src.charCodeAt(0));
- }
- }
-
- return this.tokens;
- }
-}
-
export function format(text, options) {
const markdownOptions = {
renderer: new MattermostMarkdownRenderer(null, options),
@@ -484,9 +149,7 @@ export function format(text, options) {
tables: true
};
- const tokens = new MattermostLexer(markdownOptions).lex(text);
-
- return new MattermostParser(markdownOptions).parse(tokens);
+ return marked(text, markdownOptions);
}
// Marked helper functions that should probably just be exported