Auto-detect @mentions.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4008 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/cory/ssblit/tf-compose.js

@@ -63,6 +63,29 @@ class TfComposeElement extends LitElement {
 			message.root = this.root;
 			message.branch = this.branch;
 		}
+		for (let match of message.text.matchAll(/\[([^\[]+)]\((@[^\)]+)/g)) {
+			if (!message.mentions) {
+				message.mentions = [];
+			}
+			let name = match[1].length;
+			let balance = 0;
+			let bracket_end = match.index + match[1].length + '[]'.length - 1;
+			for (let i = bracket_end; i >= 0; i--) {
+				if (message.text.charAt(i) == ']') {
+					balance++;
+				} else if (message.text.charAt(i) == '[') {
+					balance--;
+				}
+				if (balance <= 0) {
+					name = message.text.substring(i + 1, bracket_end - i);
+					break;
+				}
+			}
+			message.mentions.push({
+				link: match[2],
+				name: name.charAt(0) == '@' ? name.substring(1) : name,
+			});
+		}
 		console.log('Would post:', message);
 		tfrpc.rpc.appendMessage(this.whoami, message).then(function() {
 			edit.value = '';