Method mockImplementation

lib/internal/test_runner/mock/mock.js:355–371

* Sets a new value for the property. * @param {any} value - The new value to be set. * @throws {Error} If the property is not writable.

(value)

   * @throws {Error} If the property is not writable.
   */
  mockImplementation(value) {
    if (!this.#descriptor.writable) {
      throw new ERR_INVALID_ARG_VALUE(
        'propertyName', this.#propertyName, 'cannot be set',
      );
    }
    const nextValue = this.#getAccessValue(value);
    const access = {
      __proto__: null,
      type: 'set',
      value: nextValue,
      // eslint-disable-next-line no-restricted-syntax
      stack: new Error(),
    };
    ArrayPrototypePush(this.#accesses, access);
    this.#value = nextValue;
  }

  #getAccessValue(value) {
    const accessIndex = this.#accesses.length;