mingo
Version:
MongoDB query language for in-memory objects
15 lines (14 loc) • 370 B
JavaScript
import { evalExpr } from "../../../core/_internal";
import { assert, isArray, isNil } from "../../../util";
const $ifNull = (obj, expr, options) => {
assert(isArray(expr), "$ifNull expects an array");
let val = void 0;
for (const input of expr) {
val = evalExpr(obj, input, options);
if (!isNil(val)) return val;
}
return val;
};
export {
$ifNull
};