Function Assert

lib/assert.js:105–132

* @class Assert * @param {AssertOptions} [options] - Optional configuration for assertions. * @throws {ERR_CONSTRUCT_CALL_REQUIRED} If not called with `new`.

(options)

 * @throws {ERR_CONSTRUCT_CALL_REQUIRED} If not called with `new`.
 */
function Assert(options) {
  if (!new.target) {
    throw new ERR_CONSTRUCT_CALL_REQUIRED('Assert');
  }

  options = ObjectAssign({ __proto__: null, strict: true, skipPrototype: false }, options);

  const allowedDiffs = ['simple', 'full'];
  if (options.diff !== undefined) {
    validateOneOf(options.diff, 'options.diff', allowedDiffs);
  }

  this.AssertionError = AssertionError;
  ObjectDefineProperty(this, kOptions, {
    __proto__: null,
    value: options,
    enumerable: false,
    configurable: false,
    writable: false,
  });

  if (options.strict) {
    this.equal = this.strictEqual;
    this.deepEqual = this.deepStrictEqual;
    this.notEqual = this.notStrictEqual;
    this.notDeepEqual = this.notDeepStrictEqual;
  }
}

// All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that