@360-l/mongo-bulk-data-migration/dist/tools/flattenDocument.js

MongoDB bulk data migration for node scripts

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.flattenDocument = flattenDocument;
const lodash_1 = __importDefault(require("lodash"));
function flattenDocument(obj) {
    const outputDocument = {};
    return Object.entries(obj).reduce((output, [key, value]) => {
        const isPlainObject = lodash_1.default.isPlainObject(value) || Array.isArray(value);
        if (!isPlainObject || lodash_1.default.isEmpty(value)) {
            output[key] = value;
            return output;
        }
        return Object.entries(flattenDocument(value)).reduce((deepOutput, [flattenKey, flattenValue]) => {
            deepOutput[`${key}.${flattenKey}`] = flattenValue;
            return deepOutput;
        }, output);
    }, outputDocument);
}