Update: Allow more arguments in listeners

arbitrary-emitter.js

@@ -11,17 +11,17 @@ module.exports = () => {
       events.delete(e.key)
       actions.delete(e.key)
     } else if (size === 1) {
-      actions.set(e.key, (a, b, c) => {
+      actions.set(e.key, function () {
         const fn = listeners[0]
-        if (fn) fn(a, b, c)
+        if (fn) fn(...arguments)
       })
     } else {
-      actions.set(e.key, (a, b, c) => {
+      actions.set(e.key, function () {
         e.running.push(listeners)
-        let size = listeners.length
-        while (size > 0) {
-          const fn = listeners[--size]
-          if (fn) fn(a, b, c)
+        let s = size
+        while (s > 0) {
+          const fn = listeners[--s]
+          if (fn) fn(...arguments)
         }
         e.running.pop()
       })

package.json

@@ -1,7 +1,7 @@
 {
   "name": "arbitrary-emitter",
-  "version": "1.0.0",
-  "description": "High performance event emitter for modern browsers in ~450 bytes",
+  "version": "1.1.0",
+  "description": "High performance event emitter in ~450 bytes",
   "main": "arbitrary-emitter.js",
   "scripts": {
     "linter": "standard arbitrary-emitter.js tests/tests.js",

tests/tests.js

@@ -126,11 +126,11 @@ test('remove listener in a event with muliple listeners', t => {
   const emitter = ae()
   const out = []
   const f1 = () => out.push(1)
+  const f3 = () => out.push(3)
   const f2 = () => {
     out.push(2)
     emitter.off('test', f3)
   }
-  const f3 = () => out.push(3)
   emitter.on('test', f1)
   emitter.on('test', f2)
   emitter.on('test', f3)