mingo/esm/operators/update/mul.js

MongoDB query language for in-memory objects

import { applyUpdate, DEFAULT_OPTIONS, walkExpression } from "./_internal";
const $mul = (obj, expr, arrayFilters = [], options = DEFAULT_OPTIONS) => {
  return walkExpression(
    expr,
    arrayFilters,
    options,
    (val, node, queries) => {
      return applyUpdate(
        obj,
        node,
        queries,
        (o, k) => {
          const prev = o[k];
          o[k] = o[k] === void 0 ? 0 : o[k] * val;
          return o[k] !== prev;
        },
        { buildGraph: true }
      );
    }
  );
};
export {
  $mul
};