32 lines
993 B
TypeScript
32 lines
993 B
TypeScript
import { EditorState, Transaction } from 'prosemirror-state'
|
|
|
|
// source: https://github.com/ProseMirror/prosemirror-inputrules/blob/2d3ae3abe3428a1b4d343808915aafeff8563371/src/inputrules.js#L101
|
|
export default function undoInputRule(state: EditorState, dispatch?: (tr: Transaction<any>) => void) {
|
|
let plugins = state.plugins
|
|
|
|
for (let i = 0; i < plugins.length; i++) {
|
|
let plugin = plugins[i], undoable
|
|
// @ts-ignore
|
|
if (plugin.spec.isInputRules && (undoable = plugin.getState(state))) {
|
|
if (dispatch) {
|
|
let tr = state.tr, toUndo = undoable.transform
|
|
|
|
for (let j = toUndo.steps.length - 1; j >= 0; j--) {
|
|
tr.step(toUndo.steps[j].invert(toUndo.docs[j]))
|
|
}
|
|
|
|
let marks = tr.doc.resolve(undoable.from).marks()
|
|
|
|
if (!undoable.text) {
|
|
return false
|
|
}
|
|
|
|
dispatch(tr.replaceWith(undoable.from, undoable.to, state.schema.text(undoable.text, marks)))
|
|
}
|
|
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
} |