mingo
Version:
MongoDB query language for in-memory objects
20 lines (19 loc) • 601 B
JavaScript
import { evalExpr } from "../../../core/_internal";
import { assert, intersection, isArray, isNil } from "../../../util";
import { errExpectArray } from "../_internal";
const OP = "$setIntersection";
const $setIntersection = (obj, expr, options) => {
assert(isArray(expr), `${OP} expects array`);
const args = evalExpr(obj, expr, options);
const foe = options.failOnError;
let ok = true;
for (const v of args) {
if (isNil(v)) return null;
ok &&= isArray(v);
}
if (!ok) return errExpectArray(foe, `${OP} arguments`);
return intersection(args);
};
export {
$setIntersection
};