mingo/dist/esm/operators/update/bit.js

MongoDB query language for in-memory objects

import { assert, isNumber } from "../../util";
import { applyUpdate, walkExpression } from "./_internal";
const BIT_OPS = /* @__PURE__ */ new Set(["and", "or", "xor"]);
const $bit = (obj, expr, arrayFilters = [], options = {}) => {
  return walkExpression(expr, arrayFilters, options, (val, node, queries) => {
    const op = Object.keys(val);
    assert(
      op.length === 1 && BIT_OPS.has(op[0]),
      `Invalid bit operator '${op[0]}'. Must be one of 'and', 'or', or 'xor'.`
    );
    return applyUpdate(
      obj,
      node,
      queries,
      (o, k) => {
        let n = o[k];
        const v = val[op[0]];
        if (n !== void 0 && !(isNumber(n) && isNumber(v)))
          return false;
        n = n || 0;
        switch (op[0]) {
          case "and":
            o[k] = n & v;
            break;
          case "or":
            o[k] = n | v;
            break;
          case "xor":
            o[k] = n ^ v;
            break;
        }
        return o[k] !== n;
      },
      { buildGraph: true }
    );
  });
};
export {
  $bit
};