first commit

2026-09-08 20:28:54 +08:00
commit 2ada8d3d5a
37380 changed files with 4886169 additions and 0 deletions
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+
+/**
+ * Module exports.
+ */
+
+module.exports = on;
+
+/**
+ * Helper for subscriptions.
+ *
+ * @param {Object|EventEmitter} obj with `Emitter` mixin or `EventEmitter`
+ * @param {String} event name
+ * @param {Function} callback
+ * @api public
+ */
+
+function on (obj, ev, fn) {
+  obj.on(ev, fn);
+  return {
+    destroy: function () {
+      obj.removeListener(ev, fn);
+    }
+  };
+}