add core extensions

packages/core/src/commands/insertHTML.ts

@@ -1,37 +0,0 @@
-import { DOMParser } from 'prosemirror-model'
-import { Selection, Transaction } from 'prosemirror-state'
-import { ReplaceStep, ReplaceAroundStep } from 'prosemirror-transform'
-import { Command } from '../Editor'
-import elementFromString from '../utils/elementFromString'
-
-type InsertHTMLCommand = (value: string) => Command
-
-declare module '../Editor' {
-  interface Commands {
-    insertHTML: InsertHTMLCommand,
-  }
-}
-
-// 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 const insertHTML: InsertHTMLCommand = value => ({ tr, state }) => {
-  const { selection } = tr
-  const element = elementFromString(value)
-  const slice = DOMParser.fromSchema(state.schema).parseSlice(element)
-
-  tr.insert(selection.anchor, slice.content)
-  selectionToInsertionEnd(tr, tr.steps.length - 1, -1)
-
-  return true
-}