<pre class="shiki github-dark shaku"><code>/** * @param {any} target * @param {any[]} sources * @return {object} */function objectAssign(target, ...sources) { if (target === null || target === undefined) { throw new TypeError("Cannot convert undefined or null to object"); } const result = Object(target); for (const source of sources) { if (source === null || source === undefined) continue; for (const key of Object.keys(Object(source))) { if (!Reflect.set(result, key, source[key])) { throw new TypeError( `Cannot assign to read only property '${key}' of object` ); } } for (const sym of Object.getOwnPropertySymbols(Object(source))) { if ( Object.prototype.propertyIsEnumerable.call(source, sym) &amp;&amp; !Reflect.set(result, sym, source[sym]) ) { throw new TypeError(`Cannot assign to read only property of object`); } } } return result;}</code></pre>

🤔 Object.assign

The Object.assign() method copies all enumerable own properties from one or more source objects to a target object. It returns the target object. (sou…