ra-core
Version:
Core components of react-admin, a frontend Framework for building admin applications on top of REST services, using ES6, React
33 lines • 1.29 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getRelatedIds = void 0;
/**
* Extracts, aggregates and deduplicates the ids of related records
*
* @example
* const books = [
* { id: 1, author_id: 123, title: 'Pride and Prejudice' },
* { id: 2, author_id: 123, title: 'Sense and Sensibility' },
* { id: 3, author_id: 456, title: 'War and Peace' },
* ];
* getRelatedIds(books, 'author_id'); => [123, 456]
*
* @example
* const books = [
* { id: 1, tag_ids: [1, 2], title: 'Pride and Prejudice' },
* { id: 2, tag_ids: [2, 3], title: 'Sense and Sensibility' },
* { id: 3, tag_ids: [4], title: 'War and Peace' },
* ];
* getRelatedIds(records, 'tag_ids'); => [1, 2, 3, 4]
*
* @param {Object[]} records An array of records
* @param {string} field the identifier of the record field to use
*/
var getRelatedIds = function (records, field) {
return Array.from(new Set(records
.filter(function (record) { return record[field] != null; })
.map(function (record) { return record[field]; })
.reduce(function (ids, value) { return ids.concat(value); }, [])));
};
exports.getRelatedIds = getRelatedIds;
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