e2ed/utils/object/deepMerge.js

E2E testing framework over Playwright

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.deepMerge = void 0;
const asserts_1 = require("../asserts");
const isObjectAndNotAnArray_1 = require("./isObjectAndNotAnArray");
/**
 * Deep merge two objects (arrays does not merge).
 * `y` overwrites `x`; `x` and `y` are immutable.
 */
const deepMerge = (x, y) => {
    const result = {};
    for (const key of Object.keys(x)) {
        const descriptor = Object.getOwnPropertyDescriptor(x, key);
        (0, asserts_1.assertValueIsDefined)(descriptor, 'descriptor is defined', { key, x });
        Object.defineProperty(result, key, descriptor);
    }
    for (const [key, value] of Object.entries(y)) {
        if ((0, isObjectAndNotAnArray_1.isObjectAndNotAnArray)(x[key]) && (0, isObjectAndNotAnArray_1.isObjectAndNotAnArray)(value)) {
            result[key] = (0, exports.deepMerge)(x[key], value);
        }
        else {
            const descriptor = Object.getOwnPropertyDescriptor(y, key);
            (0, asserts_1.assertValueIsDefined)(descriptor, 'descriptor is defined', { key, y });
            Object.defineProperty(result, key, descriptor);
        }
    }
    return result;
};
exports.deepMerge = deepMerge;