overleaf/services/web/frontend/js/features/source-editor/extensions/auto-pair.ts
Tim Down 7f37ba737c Move source editor out of module (#12457)
* Update Copybara options in preparation for open-sourcing the source editor

* Move files

* Update paths

* Remove source-editor module and checks for its existence

* Explicitly mention CM6 license in files that contain code adapted from CM6

GitOrigin-RevId: 89b7cc2b409db01ad103198ccbd1b126ab56349b
2023-04-13 08:40:56 +00:00

31 lines
904 B
TypeScript

import { keymap } from '@codemirror/view'
import { Compartment, Prec, TransactionSpec } from '@codemirror/state'
import { closeBrackets, closeBracketsKeymap } from '@codemirror/autocomplete'
import { closePrefixedBrackets } from './close-prefixed-brackets'
const autoPairConf = new Compartment()
export const autoPair = ({
autoPairDelimiters,
}: {
autoPairDelimiters: boolean
}) => autoPairConf.of(createAutoPair(autoPairDelimiters))
export const setAutoPair = (autoPairDelimiters: boolean): TransactionSpec => {
return {
effects: autoPairConf.reconfigure(createAutoPair(autoPairDelimiters)),
}
}
const createAutoPair = (enabled: boolean) => {
if (!enabled) {
return []
}
return [
closePrefixedBrackets(),
closeBrackets(),
// NOTE: using Prec.highest as this needs to run before the default Backspace handler
Prec.highest(keymap.of(closeBracketsKeymap)),
]
}