mingo/esm/operators/expression/conditional/switch.js

MongoDB query language for in-memory objects

import { computeValue } from "../../../core/_internal";
import { assert, isObject, truthy } from "../../../util/_internal";
const $switch = (obj, expr, options) => {
  assert(isObject(expr), "$switch received invalid arguments");
  for (const { case: caseExpr, then } of expr.branches) {
    const condition = truthy(
      computeValue(obj, caseExpr, null, options),
      options.useStrictMode
    );
    if (condition) return computeValue(obj, then, null, options);
  }
  return computeValue(obj, expr.default, null, options);
};
export {
  $switch
};