Function enableHmr

packages/compiler-cli/test/ngtsc/hmr_spec.ts:27–42

(
      additionalAngularOptions: Record<string, unknown> = {},
      additionalCompilerOptions: Record<string, unknown> = {},
    )

    });

    function enableHmr(
      additionalAngularOptions: Record<string, unknown> = {},
      additionalCompilerOptions: Record<string, unknown> = {},
    ): void {
      env.write(
        'tsconfig.json',
        JSON.stringify({
          extends: './tsconfig-base.json',
          ...additionalCompilerOptions,
          angularCompilerOptions: {
            _enableHmr: true,
            ...additionalAngularOptions,
          },
        }),
      );
    }

    it('should not generate an HMR code by default', () => {
      env.write(