本文整理汇总了TypeScript中angular2/common.Validators.composeAsync方法的典型用法代码示例。如果您正苦于以下问题：TypeScript Validators.composeAsync方法的具体用法？TypeScript Validators.composeAsync怎么用？TypeScript Validators.composeAsync使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类angular2/common.Validators的用法示例。
在下文中一共展示了Validators.composeAsync方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: it
it("should ignore nulls", fakeAsync(() => {
var c = Validators.composeAsync([asyncValidator("expected", {"one": true}), null]);
var value = null;
c(new Control("invalid")).then(v => value = v);
tick(1);
expect(value).toEqual({"one": true});
}));示例2: constructor
constructor(fb: FormBuilder, private login: LoginService){
this.form= fb.group({
username:['',Validators.compose([
Validators.required,
UsernameValidators.cannotContainSpace
]),Validators.composeAsync([
UsernameValidators.shouldBeUnique,
UsernameValidators.shouldNotBeEmpty])],
password: ['',Validators.required]
});
}示例3: constructor
constructor(formBuilder: FormBuilder) {
this.form = formBuilder.group({
username: [
'', Validators.compose(
[Validators.required, UsernameValidators.cannotContainSpace]
), Validators.composeAsync(
[UsernameValidators.shouldBeUnique]
)
],
password: ['', Validators.required]
})
}示例4: expect
() => { expect(Validators.composeAsync(null)).toEqual(null); });