/** 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]; } } }); }