Created
December 3, 2021 12:37
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| /** | |
| * Slate's schema has changed vastly under 2 years. The text editor is still | |
| * a better candidate than the other OSS editors out there, so we must live | |
| * with the major changes. | |
| * | |
| * Migrate a schema from the old version 0.33 to current version 0.6x | |
| * Inspiration taken wholly from | |
| * https://github.com/react-page/react-page/blob/b6c83a8650cfe9089e0c3eaf471ab58a0f7db761/packages/plugins/content/slate/src/migrations/v004.ts | |
| */ | |
| const migrateTextNode = oldNode => { | |
| const leaves = oldNode.leaves.map(leaf => ({ | |
| text: leaf.text, | |
| ...leaf.marks?.reduce( | |
| (acc, mark) => ({ | |
| ...acc, | |
| [mark.type]: true, | |
| }), | |
| {} | |
| ), | |
| })); | |
| return leaves; | |
| }; | |
| const migrateElementNode = node => { | |
| return { | |
| data: node.data ?? {}, | |
| type: node.type, | |
| children: node.nodes?.map(migrateNode).flat() ?? [], | |
| }; | |
| }; | |
| const migrateNode = oldNode => { | |
| if (oldNode.object === 'text') { | |
| return migrateTextNode(oldNode); | |
| } else { | |
| return migrateElementNode(oldNode); | |
| } | |
| }; | |
| export const migrateSchema = oldSchema => { | |
| return oldSchema.document.nodes.map(migrateNode); | |
| }; |
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