mingo
Version:
MongoDB query language for in-memory objects
36 lines (35 loc) • 1.46 kB
JavaScript
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var shift_exports = {};
__export(shift_exports, {
$shift: () => $shift
});
module.exports = __toCommonJS(shift_exports);
var import_core = require("../../core");
function $shift(obj, collection, expr, options) {
const input = expr.inputExpr;
const shiftedIndex = expr.documentNumber - 1 + input.by;
if (shiftedIndex < 0 || shiftedIndex > collection.length - 1) {
return input.default ? (0, import_core.computeValue)(obj, input.default, null, options) : null;
}
return (0, import_core.computeValue)(collection[shiftedIndex], input.output, null, options);
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
$shift
});