79 lines
2.7 KiB
JavaScript
79 lines
2.7 KiB
JavaScript
var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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var graphLookup_exports = {};
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__export(graphLookup_exports, {
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$graphLookup: () => $graphLookup
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});
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module.exports = __toCommonJS(graphLookup_exports);
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var import_core = require("../../core");
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var import_lazy = require("../../lazy");
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var import_util = require("../../util");
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var import_lookup = require("./lookup");
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const $graphLookup = (collection, expr, options) => {
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const fromColl = (0, import_util.isString)(expr.from) ? options?.collectionResolver(expr.from) : expr.from;
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const {
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connectFromField,
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connectToField,
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as: asField,
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maxDepth,
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depthField,
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restrictSearchWithMatch: matchExpr
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} = expr;
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const pipelineExpr = matchExpr ? { pipeline: [{ $match: matchExpr }] } : {};
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return collection.map((obj) => {
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const matchObj = {};
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(0, import_util.setValue)(
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matchObj,
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connectFromField,
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(0, import_core.computeValue)(obj, expr.startWith, null, options)
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);
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let matches = [matchObj];
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let i = -1;
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const map = import_util.ValueMap.init(options.hashFunction);
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do {
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i++;
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matches = (0, import_util.flatten)(
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(0, import_lookup.$lookup)(
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(0, import_lazy.Lazy)(matches),
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{
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from: fromColl,
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localField: connectFromField,
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foreignField: connectToField,
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as: asField,
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...pipelineExpr
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},
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options
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).map((o) => o[asField]).value()
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);
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const oldSize = map.size;
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matches.forEach((k) => map.set(k, map.get(k) ?? i));
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if (oldSize == map.size) break;
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} while ((0, import_util.isNil)(maxDepth) || i < maxDepth);
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const result = new Array(map.size);
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let n = 0;
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map.forEach((v, k) => {
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result[n++] = Object.assign(depthField ? { [depthField]: v } : {}, k);
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});
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return { ...obj, [asField]: result };
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});
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};
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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$graphLookup
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});
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