mingo
Version:
MongoDB query language for in-memory objects
76 lines (75 loc) • 2.49 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 redact_exports = {};
__export(redact_exports, {
$redact: () => $redact
});
module.exports = __toCommonJS(redact_exports);
var import_internal = require("../../core/_internal");
var import_util = require("../../util");
const $redact = (collection, expr, options) => {
const copts = import_internal.ComputeOptions.init(options);
return collection.map(
(obj) => redact(obj, expr, copts.update({ root: obj }))
);
};
function redact(obj, expr, options) {
const action = (0, import_internal.computeValue)(obj, expr, null, options);
switch (action) {
case "$$KEEP":
return obj;
case "$$PRUNE":
return void 0;
case "$$DESCEND": {
if (!(0, import_util.has)(expr, "$cond")) return obj;
const output = {};
for (const [key, value] of Object.entries(obj)) {
if ((0, import_util.isArray)(value)) {
const res = new Array();
for (let elem of value) {
if ((0, import_util.isObject)(elem)) {
elem = redact(
elem,
expr,
options.update({ root: elem })
);
}
if (!(0, import_util.isNil)(elem)) res.push(elem);
}
output[key] = res;
} else if ((0, import_util.isObject)(value)) {
const res = redact(
value,
expr,
options.update({ root: value })
);
if (!(0, import_util.isNil)(res)) output[key] = res;
} else {
output[key] = value;
}
}
return output;
}
default:
return action;
}
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
$redact
});