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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| import { KEY_CODE } from './keycode.js' | ||
|
|
||
| class HotKeyManager { | ||
| registeredHotkeys = {} | ||
| pressedKeys = new Map() | ||
|
|
||
| constructor() { | ||
| if (typeof window !== 'undefined') { | ||
| window.addEventListener('keydown', (e) => { | ||
| this.pressedKeys.set(e.key, e.repeat) | ||
| const keyComb = this.getKeyComb(Array.from(this.pressedKeys.keys())) | ||
| this.registeredHotkeys[keyComb]?.forEach((hotKey) => { | ||
| if (!e.repeat || hotKey?.repeat) { | ||
| if (hotKey.preventDefault) e.preventDefault() | ||
| hotKey.handler([...hotKey.keys], e) | ||
| } | ||
| }) | ||
| }) | ||
| window.addEventListener('keyup', (e) => { | ||
| if (this.pressedKeys.has(e.key)) this.pressedKeys.delete(e.key) | ||
| }) | ||
| window.addEventListener('blur', () => { | ||
| this.pressedKeys.clear() | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| registerHotKey = (hotkey) => { | ||
| const keyComb = this.getKeyComb([...hotkey.keys]) | ||
| if (!this.registeredHotkeys[keyComb]) this.registeredHotkeys[keyComb] = [] | ||
|
|
||
| this.registeredHotkeys[keyComb].push(hotkey) | ||
| } | ||
|
|
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| getKeyComb = (keys) => { | ||
| const convertKeys = keys.map((item) => { | ||
| const stringKey = KEY_CODE[item] | ||
| if (stringKey) return stringKey | ||
|
|
||
| return item | ||
| }) | ||
| return convertKeys.sort().join(' ') | ||
| } | ||
|
|
||
| removeHotKey = (hotKey) => { | ||
| const keyComb = this.getKeyComb([...hotKey.keys]) | ||
| const index = this.registeredHotkeys[keyComb]?.indexOf(hotKey) ?? -1 | ||
| if (index !== -1) { | ||
| this.registeredHotkeys[keyComb].splice(index, 1) | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
| } | ||
|
|
||
| export default new HotKeyManager() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| export const KEY_CODE = { | ||
| ctrl: 'Control', | ||
| space: ' ', | ||
| enter: 'Enter', | ||
| tab: 'Tab', | ||
| delete: 'Delete', | ||
| esc: 'Escape', | ||
| alt: 'Alt', | ||
| option: 'Alt', | ||
| shift: 'Shift', | ||
| back: 'Backspace', | ||
| meta: 'Meta', | ||
| command: 'Meta', | ||
| up: 'ArrowUp', | ||
| left: 'ArrowLeft', | ||
| right: 'ArrowRight', | ||
| bottom: 'ArrowDown' | ||
| } |
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