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Revert "remove old markdown engine work-in-progress"

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This reverts commit ee470b531788b71c22721562e8bbb846004a9bc7.
This commit is contained in:
Sam
2017-07-12 18:10:51 -04:00
parent bcbb9f208d
commit 79a084dd58
62 changed files with 3075 additions and 653 deletions
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129
app/assets/javascripts/pretty-text/engines/discourse-markdown/mentions.js.es6
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@ -1,88 +1,51 @@
const regex = /^(\w[\w.-]{0,59})\b/i;
function applyMentions(state, silent, isWhiteSpace, isPunctChar, mentionLookup, getURL) {
let pos = state.pos;
// 64 = @
if (silent || state.src.charCodeAt(pos) !== 64) {
return false;
}
if (pos > 0) {
let prev = state.src.charCodeAt(pos-1);
if (!isWhiteSpace(prev) && !isPunctChar(String.fromCharCode(prev))) {
return false;
}
}
// skip if in a link
if (state.tokens) {
let last = state.tokens[state.tokens.length-1];
if (last) {
if (last.type === 'link_open') {
return false;
}
if (last.type === 'html_inline' && last.content.substr(0,2) === "<a") {
return false;
}
}
}
let maxMention = state.src.substr(pos+1, 60);
let matches = maxMention.match(regex);
if (!matches) {
return false;
}
let username = matches[1];
let type = mentionLookup && mentionLookup(username);
let tag = 'a';
let className = 'mention';
let href = null;
if (type === 'user') {
href = getURL('/u/') + username.toLowerCase();
} else if (type === 'group') {
href = getURL('/groups/') + username;
className = 'mention-group';
} else {
tag = 'span';
}
let token = state.push('mention_open', tag, 1);
token.attrs = [['class', className]];
if (href) {
token.attrs.push(['href', href]);
}
token = state.push('text', '', 0);
token.content = '@'+username;
state.push('mention_close', tag, -1);
state.pos = pos + username.length + 1;
return true;
}
/**
Supports our custom @mention syntax for calling out a user in a post.
It will add a special class to them, and create a link if the user is found in a
local map.
**/
export function setup(helper) {
if (!helper.markdownIt) { return; }
if (helper.markdownIt) { return; }
helper.registerPlugin(md => {
md.inline.ruler.push('mentions', (state,silent)=> applyMentions(
state,
silent,
md.utils.isWhiteSpace,
md.utils.isPunctChar,
md.options.discourse.mentionLookup,
md.options.discourse.getURL
));
// We have to prune @mentions that are within links.
helper.onParseNode(event => {
const node = event.node,
path = event.path;
if (node[1] && node[1]["class"] === 'mention') {
const parent = path[path.length - 1];
// If the parent is an 'a', remove it
if (parent && parent[0] === 'a') {
const name = node[2];
node.length = 0;
node[0] = "__RAW";
node[1] = name;
}
}
});
helper.inlineRegexp({
start: '@',
// NOTE: since we can't use SiteSettings here (they loads later in process)
// we are being less strict to account for more cases than allowed
matcher: /^@(\w[\w.-]{0,59})\b/i,
wordBoundary: true,
emitter(matches) {
const mention = matches[0].trim();
const name = matches[1];
const opts = helper.getOptions();
const mentionLookup = opts.mentionLookup;
const type = mentionLookup && mentionLookup(name);
if (type === "user") {
return ['a', {'class': 'mention', href: opts.getURL("/u/") + name.toLowerCase()}, mention];
} else if (type === "group") {
return ['a', {'class': 'mention-group', href: opts.getURL("/groups/") + name}, mention];
} else {
return ['span', {'class': 'mention'}, mention];
}
}
});
}