feat: eventEmitter.until

Author: feildmaster

changelog.md

@@ -1,5 +1,19 @@
 # UnderScript Changelog
 
+## Version 0.43.0 (2020-12-05)
+### New Features
+1. Added button to show your friend rankings on the leaderboard
+1. Added setting to disable friend request notifications
+1. Added option to show "breaking" art as "full" art
+### Fixes
+1. Fix page selection on leaderboard
+1. Loading user links on leaderboard now load correctly
+1. Fix deleting friends without reloading page
+1. Error when loading deck correctly exits
+### Plugins
+1. Added "eventManager.once(event, function)"<extended> - Listens to event once</extended>
+1. Added "eventManager.until(event, function)"<extended> - Listens to event until returns truthy</extended>
+
 ## Version 0.42.0 (2020-11-01)
 ### New Features
 1. Added setting to ignore pings from closed chats

src/base/changelog.js

@@ -4,7 +4,7 @@ const changelog = wrap(function changelog() {
   style.add(
     '.us-changelog h2 { font-size: 24px; }',
     '.us-changelog h3 { font-size: 20px; }',
-    'extended { display: block; }',
+    'extended { display: contents; }',
   );
   function getMarkdown() {
     if (!changelog.markdown) {

src/utils/eventEmitter.js

@@ -115,6 +115,15 @@ wrap(() => {
         }
         return emitter.on(event, wrapper);
       },
+      until: (event, fn) => {
+        if (typeof fn !== 'function') return emitter;
+        function wrapper(...args) {
+          if (fn(...args)) {
+            off(event, wrapper);
+          }
+        }
+        return emitter.on(event, wrapper);
+      },
       emit: (event, ...data) => {
         if (data.length === 2 && data[1] === true) {
           console.error('Deprecation Warning: emit argument "cancelable" is deprecated. Use `.cancelable.emit()` instead!');