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1 change: 1 addition & 0 deletions local-namespace-config.js
Original file line number Diff line number Diff line change
Expand Up @@ -6,4 +6,5 @@ module.exports = {
'@utils/math': './src/utils/math/index',
'@utils/debounce': './src/utils/debounce/index',
'@utils/scrolling': './src/utils/scrolling/index',
'@utils/nanoevents': './src/utils/nanoevents/index',
};
3 changes: 1 addition & 2 deletions package.json
Original file line number Diff line number Diff line change
Expand Up @@ -68,8 +68,7 @@
},
"dependencies": {
"@rozhkov/react-useful-hooks": "^1.0.10",
"date-fns": "^4.1.0",
"nanoevents": "^9.1.0"
"date-fns": "^4.1.0"
},
"devDependencies": {
"@babel/cli": "^7.21.5",
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2 changes: 1 addition & 1 deletion src/picker-control/create-control.ts
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import type {
ValueChangedEvent,
ValueChangingEvent,
} from '@implementation/base';
import {createNanoEvents, type Unsubscribe} from 'nanoevents';
import {createNanoEvents, type Unsubscribe} from '@utils/nanoevents';

type PickerName = string;
export type BaseControlConfig = Record<PickerName, {item: PickerItem<unknown>}>;
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8 changes: 8 additions & 0 deletions src/utils/nanoevents/index.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
export {
createNanoEvents,
type DefaultEvents,
type EventsMap,
type Emitter,
type EmitterMixin,
type Unsubscribe,
} from './nanoevents';
105 changes: 105 additions & 0 deletions src/utils/nanoevents/nanoevents.d.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,105 @@
interface EventsMap {
[event: string]: any;
}

interface DefaultEvents extends EventsMap {
[event: string]: (...args: any) => void;
}

export interface Unsubscribe {
(): void;
}

export interface Emitter<Events extends EventsMap = DefaultEvents> {
/**
* Calls each of the listeners registered for a given event.
*
* ```js
* ee.emit('tick', tickType, tickDuration)
* ```
*
* @param event The event name.
* @param args The arguments for listeners.
*/
emit<K extends keyof Events>(
this: this,
event: K,
...args: Parameters<Events[K]>
): void;

/**
* Event names in keys and arrays with listeners in values.
*
* ```js
* emitter1.events = emitter2.events
* emitter2.events = { }
* ```
*/
events: Partial<{[E in keyof Events]: Events[E][]}>;

/**
* Add a listener for a given event.
*
* ```js
* const unbind = ee.on('tick', (tickType, tickDuration) => {
* count += 1
* })
*
* disable () {
* unbind()
* }
* ```
*
* @param event The event name.
* @param cb The listener function.
* @returns Unbind listener from event.
*/
on<K extends keyof Events>(this: this, event: K, cb: Events[K]): Unsubscribe;
}

/**
* Create event emitter.
*
* ```js
* import { createNanoEvents } from 'nanoevents'
*
* class Ticker {
* constructor() {
* this.emitter = createNanoEvents()
* }
* on(...args) {
* return this.emitter.on(...args)
* }
* tick() {
* this.emitter.emit('tick')
* }
* }
* ```
*/
export function createNanoEvents<
Events extends EventsMap = DefaultEvents,
>(): Emitter<Events>;

/**
* An interface for mixins that expose the `on` function (without the emitter
* bound to `this`)
*
* ```js
* import { createNanoEvents } from 'nanoevents'
*
* class Ticker implements EmitterMixin<Events> {
* constructor() {
* this.emitter = createNanoEvents()
* }
* on(...args) {
* return this.emitter.on(...args)
* }
* tick() {
* this.emitter.emit('tick')
* }
* }
* ```
*/
export interface EmitterMixin<Events extends EventsMap = DefaultEvents> {
on<K extends keyof Events>(event: K, cb: Events[K]): Unsubscribe;
}
20 changes: 20 additions & 0 deletions src/utils/nanoevents/nanoevents.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
export let createNanoEvents = () => ({
emit(event, ...args) {
for (
let callbacks = this.events[event] || [],
i = 0,
length = callbacks.length;
i < length;
i++
) {
callbacks[i](...args);
}
},
events: {},
on(event, cb) {
(this.events[event] ||= []).push(cb);
return () => {
this.events[event] = this.events[event]?.filter((i) => cb !== i);
};
},
});
1 change: 1 addition & 0 deletions tsconfig.json
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
"@utils/math": ["./src/utils/math/index"],
"@utils/debounce": ["./src/utils/debounce/index"],
"@utils/scrolling": ["./src/utils/scrolling/index"],
"@utils/nanoevents": ["./src/utils/nanoevents/index"],
},
"allowUnreachableCode": false,
"allowUnusedLabels": false,
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8 changes: 0 additions & 8 deletions yarn.lock
Original file line number Diff line number Diff line change
Expand Up @@ -3422,7 +3422,6 @@ __metadata:
eslint-plugin-prettier: "npm:^4.0.0"
jest: "npm:^28.1.1"
metro-react-native-babel-preset: "npm:^0.77.0"
nanoevents: "npm:^9.1.0"
pod-install: "npm:^0.1.0"
prettier: "npm:^2.0.5"
react: "npm:19.0.0"
Expand Down Expand Up @@ -10357,13 +10356,6 @@ __metadata:
languageName: node
linkType: hard

"nanoevents@npm:^9.1.0":
version: 9.1.0
resolution: "nanoevents@npm:9.1.0"
checksum: 10/77abbc15c4efc15518a0075b604e5db045e5d6184f4d08892c771928a84f53b1dd46138902213f66e8a9989e6c930168ca6441b80ff9098aec83c01a782bd42b
languageName: node
linkType: hard

"natural-compare-lite@npm:^1.4.0":
version: 1.4.0
resolution: "natural-compare-lite@npm:1.4.0"
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