Files
tiptap/packages/core/src/commands/keyboardShortcut.ts
2021-02-16 18:39:37 +01:00

104 lines
2.1 KiB
TypeScript

import { Command, RawCommands } from '../types'
const mac = typeof navigator !== 'undefined' ? /Mac/.test(navigator.platform) : false
function normalizeKeyName(name: string) {
const parts = name.split(/-(?!$)/)
let result = parts[parts.length - 1]
if (result === 'Space') {
result = ' '
}
let alt
let ctrl
let shift
let meta
for (let i = 0; i < parts.length - 1; i += 1) {
const mod = parts[i]
if (/^(cmd|meta|m)$/i.test(mod)) {
meta = true
} else if (/^a(lt)?$/i.test(mod)) {
alt = true
} else if (/^(c|ctrl|control)$/i.test(mod)) {
ctrl = true
} else if (/^s(hift)?$/i.test(mod)) {
shift = true
} else if (/^mod$/i.test(mod)) {
if (mac) {
meta = true
} else {
ctrl = true
}
} else {
throw new Error(`Unrecognized modifier name: ${mod}`)
}
}
if (alt) {
result = `Alt-${result}`
}
if (ctrl) {
result = `Ctrl-${result}`
}
if (meta) {
result = `Meta-${result}`
}
if (shift) {
result = `Shift-${result}`
}
return result
}
declare module '@tiptap/core' {
interface Commands {
keyboardShortcut: {
/**
* Trigger a keyboard shortcut.
*/
keyboardShortcut: (name: string) => Command,
}
}
}
export const keyboardShortcut: RawCommands['keyboardShortcut'] = name => ({
editor,
view,
tr,
dispatch,
}) => {
const keys = normalizeKeyName(name).split(/-(?!$)/)
const key = keys.find(item => !['Alt', 'Ctrl', 'Meta', 'Shift'].includes(item))
const event = new KeyboardEvent('keydown', {
key: key === 'Space'
? ' '
: key,
altKey: keys.includes('Alt'),
ctrlKey: keys.includes('Ctrl'),
metaKey: keys.includes('Meta'),
shiftKey: keys.includes('Shift'),
bubbles: true,
cancelable: true,
})
const capturedTransaction = editor.captureTransaction(() => {
view.someProp('handleKeyDown', f => f(view, event))
})
capturedTransaction?.steps.forEach(step => {
const newStep = step.map(tr.mapping)
if (newStep && dispatch) {
tr.maybeStep(newStep)
}
})
return true
}