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