json-schema-migrate-x/lib/helpers.js

Migrate JSON-Schema `draft-04` to `draft-07`, `draft-2019-09` or `draft-2020-12`

import { getAjv } from './ajv.js';
import { metaSchema } from './common.js';
import { DRAFT_2020_SCHEMA, DRAFT_2019_SCHEMA } from './constants.js';
export function getMigrateSchema(version) {
    const isDraft2020 = version === 'draft2020';
    const schema = isDraft2020 ? DRAFT_2020_SCHEMA : DRAFT_2019_SCHEMA;
    return {
        $id: `migrateSchema-${version}`,
        $schema: schema,
        allOf: [{ migrateSchema: version }, { $ref: schema }],
        ...(isDraft2020 ? { $dynamicAnchor: 'meta' } : { $recursiveAnchor: true }),
    };
}
export function getMigrate(version) {
    let migrate;
    return (schema) => {
        migrate ||= getAjv(version).compile(getMigrateSchema(version));
        migrate(schema);
        schema.$schema ||= metaSchema(version);
    };
}
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