discourse/app/assets/javascripts/pretty-text/engines/discourse-markdown/mentions.js.es6

50 lines
1.5 KiB
JavaScript

/**
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) {
// 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];
}
}
});
}