tiptap/packages/core/src/commands/insertHTML.ts
Philipp Kühn 13a314e123 refactoring
2020-11-16 21:42:35 +01:00

32 lines
1.2 KiB
TypeScript

import { DOMParser } from 'prosemirror-model'
import { Selection, Transaction } from 'prosemirror-state'
import { ReplaceStep, ReplaceAroundStep } from 'prosemirror-transform'
import elementFromString from '../utils/elementFromString'
import { Command } from '../types'
// TODO: move to utils
// https://github.com/ProseMirror/prosemirror-state/blob/master/src/selection.js#L466
function selectionToInsertionEnd(tr: Transaction, startLen: number, bias: number) {
const last = tr.steps.length - 1
if (last < startLen) return
const step = tr.steps[last]
if (!(step instanceof ReplaceStep || step instanceof ReplaceAroundStep)) return
const map = tr.mapping.maps[last]
let end = 0
map.forEach((_from, _to, _newFrom, newTo) => { if (end === 0) end = newTo })
tr.setSelection(Selection.near(tr.doc.resolve(end as unknown as number), bias))
}
export default (value: string): Command => ({ tr, state, dispatch }) => {
const { selection } = tr
const element = elementFromString(value)
const slice = DOMParser.fromSchema(state.schema).parseSlice(element)
if (dispatch) {
tr.insert(selection.anchor, slice.content)
selectionToInsertionEnd(tr, tr.steps.length - 1, -1)
}
return true
}