@quilted/events - npm Package Compare versions

Comparing version 0.1.9 to 0.1.10

build/typescript/emitter.d.ts

@@ -27,3 +27,19 @@ import type { AbortBehavior } from './abort';
 }
-export declare function createEmitter<Events = {}>(): Emitter<Events>;
+export declare function createEmitter<Events = {}>(internal?: Emitter<EmitterInternalEvents<Events>>): Emitter<Events>;
+export interface EmitterInternalEvents<Events = {}> {
+    add: {
+        event: keyof Events;
+        handler: EmitterHandler<unknown>;
+        all: Set<EmitterHandler<unknown>>;
+    };
+    remove: {
+        event: keyof Events;
+        handler: EmitterHandler<unknown>;
+        all: Set<EmitterHandler<unknown>>;
+    };
+}
+export interface EmitterWithInternals<Events = {}> extends Emitter<Events> {
+    readonly internal: Emitter<EmitterInternalEvents<Events>>;
+}
+export declare function createEmitterWithInternals<Events = {}>(): EmitterWithInternals<Events>;
 //# sourceMappingURL=emitter.d.ts.map

build/typescript/index.d.ts

@@ -5,6 +5,6 @@ export { on } from './on';
 export type { AbortBehavior } from './abort';
-export { createEmitter } from './emitter';
 export { addListener } from './listeners';
-export type { Emitter, EmitterHandler } from './emitter';
+export { createEmitter, createEmitterWithInternals } from './emitter';
+export type { Emitter, EmitterHandler, EmitterInternalEvents, EmitterWithInternals, } from './emitter';
 export type { EventTarget, EventTargetOn, EventTargetAddEventListener, EventTargetFunction, } from './types';
 //# sourceMappingURL=index.d.ts.map

CHANGELOG.md

 # @quilted/events
 
+## 0.1.10
+
+### Patch Changes
+
+- [`a419953a`](https://github.com/lemonmade/quilt/commit/a419953aff8c955aa8ca7ef2923869f051c3f24d) Thanks [@lemonmade](https://github.com/lemonmade)! - Add internal events for emitter
+
 ## 0.1.9
@@ -4,0 +10,0 @@

package.json

@@ -5,3 +5,3 @@ {
   "type": "module",
-  "version": "0.1.9",
+  "version": "0.1.10",
   "license": "MIT",
@@ -8,0 +8,0 @@ "engines": {

source/emitter.ts

@@ -36,3 +36,5 @@ import {on as onEvent} from './on';
 // eslint-disable-next-line @typescript-eslint/ban-types
-export function createEmitter<Events = {}>(): Emitter<Events> {
+export function createEmitter<Events = {}>(
+  internal?: Emitter<EmitterInternalEvents<Events>>,
+): Emitter<Events> {
   const handlerMap = new Map<keyof Events, Set<any>>();
@@ -77,3 +79,7 @@
       signalAbort?.abort();
-      handlers!.delete(normalizedHandler);
+
+      if (handlers == null) return;
+      handlers.delete(normalizedHandler);
+      internal?.emit('remove', {event, handler: handler as any, all: handlers});
+      if (handlers!.size === 0) handlerMap.delete(event);
     };
@@ -96,4 +102,37 @@
 
+    internal?.emit('add', {event, handler: handler as any, all: handlers});
+
     signal?.addEventListener('abort', remove, {signal: signalAbort!.signal});
   }
 }
+
+// eslint-disable-next-line @typescript-eslint/ban-types
+export interface EmitterInternalEvents<Events = {}> {
+  add: {
+    event: keyof Events;
+    handler: EmitterHandler<unknown>;
+    all: Set<EmitterHandler<unknown>>;
+  };
+  remove: {
+    event: keyof Events;
+    handler: EmitterHandler<unknown>;
+    all: Set<EmitterHandler<unknown>>;
+  };
+}
+
+// eslint-disable-next-line @typescript-eslint/ban-types
+export interface EmitterWithInternals<Events = {}> extends Emitter<Events> {
+  readonly internal: Emitter<EmitterInternalEvents<Events>>;
+}
+
+export function createEmitterWithInternals<
+  // eslint-disable-next-line @typescript-eslint/ban-types
+  Events = {},
+>(): EmitterWithInternals<Events> {
+  const internal = createEmitter<EmitterInternalEvents<Events>>();
+  const emitter = createEmitter(internal);
+
+  (emitter as any).internal = internal;
+
+  return emitter as any;
+}

source/index.ts

@@ -5,6 +5,11 @@ export {on} from './on';
 export type {AbortBehavior} from './abort';
-export {createEmitter} from './emitter';
 export {addListener} from './listeners';
-export type {Emitter, EmitterHandler} from './emitter';
+export {createEmitter, createEmitterWithInternals} from './emitter';
 export type {
+  Emitter,
+  EmitterHandler,
+  EmitterInternalEvents,
+  EmitterWithInternals,
+} from './emitter';
+export type {
   EventTarget,
@@ -11,0 +16,0 @@ EventTargetOn,

No alert changes

Improved metrics

Total package byte prevSize

83535

increased by6.2%

Lines of code

1146

increased by8.63%

No dependency changes