初始化代码

uniapp/uni-app/components/miniprogram_npm/eventemitter3/index.d.ts

@@ -0,0 +1,67 @@
+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;
+
+/**
+ * Minimal `EventEmitter` interface that is molded against the Node.js
+ * `EventEmitter` interface.
+ */
+declare class EventEmitter<EventTypes extends string | symbol | { [K in keyof EventTypes]: any[] } = string | symbol> {
+  static prefixed: string | boolean;
+
+  /**
+   * Return an array listing the events for which the emitter has registered
+   * listeners.
+   */
+  eventNames(): Array<EventNames<EventTypes>>;
+
+  /**
+   * Return the listeners registered for a given event.
+   */
+  listeners<T extends EventNames<EventTypes>>(event: T): Array<EventEmitter.ListenerFn<EventArgs<EventTypes, T>>>;
+
+  /**
+   * Return the number of listeners listening to a given event.
+   */
+  listenerCount(event: EventNames<EventTypes>): number;
+
+  /**
+   * Calls each of the listeners registered for a given event.
+   */
+  emit<T extends EventNames<EventTypes>>(event: T, ...args: EventArgs<EventTypes, T>): boolean;
+
+  /**
+   * Add a listener for a given event.
+   */
+  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;
+
+  /**
+   * Add a one-time listener for a given event.
+   */
+  once<T extends EventNames<EventTypes>>(event: T, fn: EventEmitter.ListenerFn<EventArgs<EventTypes, T>>, context?: any): this;
+
+  /**
+   * Remove the listeners of a given event.
+   */
+  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;
+
+  /**
+   * Remove all listeners, or those of the specified event.
+   */
+  removeAllListeners(event?: EventNames<EventTypes>): this;
+}
+
+declare namespace EventEmitter {
+  export interface ListenerFn<Args extends any[] = any[]> {
+    (...args: Args): void;
+  }
+
+  export interface EventEmitterStatic {
+    new<EventTypes extends string | symbol | { [K in keyof EventTypes]: any[] } = string | symbol>(): EventEmitter<EventTypes>;
+  }
+
+  export const EventEmitter: EventEmitterStatic;
+}
+
+export = EventEmitter;