diginext-utils/dist/object/merge.js

README.md

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.merge = merge;
const isObject_1 = require("./isObject");
/**
 * Deeply merges multiple objects into a new object.
 * Later objects' properties override earlier ones.
 * Nested objects are merged recursively.
 *
 * @template T - The type of the target object
 * @param objects - Objects to merge
 * @returns A new merged object
 *
 * @example
 * ```ts
 * merge({ a: 1 }, { b: 2 }); // { a: 1, b: 2 }
 * merge({ a: 1, b: { c: 2 } }, { b: { d: 3 } }); // { a: 1, b: { c: 2, d: 3 } }
 * merge({ a: 1 }, { a: 2 }); // { a: 2 }
 * ```
 */
function merge(...objects) {
    const result = {};
    for (const obj of objects) {
        if (!(0, isObject_1.isObject)(obj)) {
            continue;
        }
        for (const key in obj) {
            if (Object.prototype.hasOwnProperty.call(obj, key)) {
                const value = obj[key];
                if ((0, isObject_1.isObject)(value) && (0, isObject_1.isObject)(result[key])) {
                    // Deep merge nested objects
                    result[key] = merge(result[key], value);
                }
                else {
                    // Direct assignment for primitives and arrays
                    result[key] = value;
                }
            }
        }
    }
    return result;
}
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