mingo
Version:
MongoDB query language for in-memory objects
16 lines (15 loc) • 552 B
JavaScript
import { evalExpr } from "../../../core/_internal";
import { assert, isArray, isNil, isString } from "../../../util";
import { errExpectArray } from "../_internal";
const $split = (obj, expr, options) => {
assert(isArray(expr) && expr.length === 2, `$split expects array(2)`);
const args = evalExpr(obj, expr, options);
const foe = options.failOnError;
if (isNil(args[0])) return null;
if (!args.every(isString))
return errExpectArray(foe, `$split `, { size: 2, type: "string" });
return args[0].split(args[1]);
};
export {
$split
};