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79 lines
1.7 KiB
79 lines
1.7 KiB
import * as Automerge from 'automerge'
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import { toSlatePath, toJS } from '../utils/index'
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const insertTextOp = ({ index, path, value }: Automerge.Diff) => () => ({
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type: 'insert_text',
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path: toSlatePath(path),
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offset: index,
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text: value,
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marks: []
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})
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const insertNodeOp = ({ value, obj, index, path }: Automerge.Diff) => map => {
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const ops = []
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const iterate = ({ nodes, ...json }, path) => {
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const node = nodes ? { ...json, nodes: [] } : json
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if (node.object) {
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if (node.object === 'mark') {
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ops.push({
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type: 'add_mark',
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path: path.slice(0, -1),
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mark: node
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})
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} else {
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ops.push({
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type: 'insert_node',
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path,
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node
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})
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}
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}
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nodes && nodes.forEach((n, i) => iterate(n, [...path, i]))
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}
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const source = map[value] || (map[obj] && toJS(map[obj]))
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source && iterate(source, [...toSlatePath(path), index])
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return ops
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}
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const insertByType = {
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text: insertTextOp,
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list: insertNodeOp
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}
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const opInsert = (op: Automerge.Diff, [map, ops]) => {
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try {
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const { link, obj, path, index, type, value } = op
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if (link && map[obj]) {
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map[obj].splice(index, 0, map[value] || value)
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} else if ((type === 'text' || type === 'list') && !path) {
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map[obj] = map[obj]
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? map[obj]
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.slice(0, index)
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.concat(value)
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.concat(map[obj].slice(index))
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: value
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} else {
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const insert = insertByType[type]
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const operation = insert && insert(op, map)
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ops.push(operation)
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}
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return [map, ops]
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} catch (e) {
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console.error(e, op, toJS(map))
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return [map, ops]
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}
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}
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export default opInsert
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