eventemitter3 - npm Package Compare versions

Comparing version 4.0.0 to 4.0.1

index.d.ts

@@ -1,4 +0,29 @@
-type EventNames<T extends string | symbol | { [K in string | symbol]: any[] }> = T extends string | symbol ? T : keyof T;
-type EventArgs<T extends string | symbol | { [K in string | symbol]: any[] }, K extends EventNames<T>> = T extends string | symbol ? any[] : K extends keyof T ? T[K] : never;
+type ValidEventTypes<T = any> = string | symbol | T extends {
+  [K in keyof T]: any[] | ((...args: any[]) => void);
+}
+  ? T
+  : never;
 
+type EventNames<T extends ValidEventTypes> = T extends string | symbol
+  ? T
+  : keyof T;
+
+type Handler<
+  T extends any[] | ((...args: any[]) => R),
+  R = any
+> = T extends any[] ? (...args: T) => R : T;
+
+type EventListener<
+  T extends ValidEventTypes,
+  K extends EventNames<T>
+> = T extends string | symbol
+  ? (...args: any[]) => void
+  : K extends keyof T
+  ? Handler<T[K], void>
+  : never;
+
+type EventArgs<T extends ValidEventTypes, K extends EventNames<T>> = Parameters<
+  EventListener<T, K>
+>;
+
 /**
@@ -8,3 +33,12 @@ * Minimal `EventEmitter` interface that is molded against the Node.js
  */
-declare class EventEmitter<EventTypes extends string | symbol | { [K in keyof EventTypes]: any[] } = string | symbol> {
+declare class EventEmitter<
+  EventTypes extends
+    | string
+    | symbol
+    | {}
+    | { [K in keyof EventTypes]: any[] | ((...args: any[]) => void) } =
+    | string
+    | symbol,
+  Context extends any = any
+> {
   static prefixed: string | boolean;
@@ -21,3 +55,5 @@
    */
-  listeners<T extends EventNames<EventTypes>>(event: T): Array<EventEmitter.ListenerFn<EventArgs<EventTypes, T>>>;
+  listeners<T extends EventNames<EventTypes>>(
+    event: T
+  ): Array<EventListener<EventTypes, T>>;
 
@@ -32,3 +68,6 @@ /**
    */
-  emit<T extends EventNames<EventTypes>>(event: T, ...args: EventArgs<EventTypes, T>): boolean;
+  emit<T extends EventNames<EventTypes>>(
+    event: T,
+    ...args: EventArgs<EventTypes, T>
+  ): boolean;
 
@@ -38,4 +77,12 @@ /**
    */
-  on<T extends EventNames<EventTypes>>(event: T, fn: EventEmitter.ListenerFn<EventArgs<EventTypes, T>>, context?: any): this;
-  addListener<T extends EventNames<EventTypes>>(event: T, fn: EventEmitter.ListenerFn<EventArgs<EventTypes, T>>, context?: any): this;
+  on<T extends EventNames<EventTypes>>(
+    event: T,
+    fn: EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
+  addListener<T extends EventNames<EventTypes>>(
+    event: T,
+    fn: EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
 
@@ -45,3 +92,7 @@ /**
    */
-  once<T extends EventNames<EventTypes>>(event: T, fn: EventEmitter.ListenerFn<EventArgs<EventTypes, T>>, context?: any): this;
+  once<T extends EventNames<EventTypes>>(
+    event: T,
+    fn: EventListener<EventTypes, T>,
+    context?: Context
+  ): this;
 
@@ -51,4 +102,14 @@ /**
    */
-  removeListener<T extends EventNames<EventTypes>>(event: T, fn?: EventEmitter.ListenerFn<EventArgs<EventTypes, T>>, context?: any, once?: boolean): this;
-  off<T extends EventNames<EventTypes>>(event: T, fn?: EventEmitter.ListenerFn<EventArgs<EventTypes, T>>, context?: any, once?: boolean): this;
+  removeListener<T extends EventNames<EventTypes>>(
+    event: T,
+    fn?: EventListener<EventTypes, T>,
+    context?: Context,
+    once?: boolean
+  ): this;
+  off<T extends EventNames<EventTypes>>(
+    event: T,
+    fn?: EventListener<EventTypes, T>,
+    context?: Context,
+    once?: boolean
+  ): this;
 
@@ -67,3 +128,3 @@ /**
   export interface EventEmitterStatic {
-    new<EventTypes extends string | symbol | { [K in keyof EventTypes]: any[] } = string | symbol>(): EventEmitter<EventTypes>;
+    new <EventTypes extends ValidEventTypes>(): EventEmitter<EventTypes>;
   }
@@ -70,0 +131,0 @@

package.json

 {
   "name": "eventemitter3",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "EventEmitter3 focuses on performance while maintaining a Node.js AND browser compatible interface.",
@@ -48,10 +48,10 @@ "main": "index.js",
     "assume": "~2.2.0",
-    "browserify": "~16.2.0",
-    "mocha": "~6.1.0",
-    "nyc": "~14.1.0",
+    "browserify": "~16.5.0",
+    "mocha": "~7.1.0",
+    "nyc": "~15.0.0",
     "pre-commit": "~1.2.0",
     "sauce-browsers": "~2.0.0",
     "sauce-test": "~1.3.3",
-    "uglify-js": "~3.6.0"
+    "uglify-js": "~3.9.0"
   }
 }

README.md

@@ -89,2 +89,4 @@ # EventEmitter3
 with them you have to clone the GitHub repository.
+Note that you will have to run an additional `npm i` in the benchmarks folder
+before `npm run benchmark`.
 
@@ -91,0 +93,0 @@ ## License

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

37507

increased by1.33%

Lines of code

693

increased by8.96%

Number of lines in readme file

95

increased by2.15%

No dependency changes