本文整理汇总了TypeScript中@angular/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@angular/common.Validators的用法示例。
在下文中一共展示了Validators.composeAsync方法的2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:
dynamicFormModel.model.forEach(controlModel => {
controlGroup[controlModel.id] = [
controlModel.value || null,
Validators.compose(controlModel.validators),
Validators.composeAsync(controlModel.validatorsAsync)
];
});示例2: elementToControl
elementToControl(element:ElementBase<any>):Control {
let syncValidators = [];
//Standard syncValidators
if (element.required) {
syncValidators.push(Validators.required);
}
if (element.patternMatch) {
syncValidators.push(Validators.pattern(element.patternMatch))
}
if (element.minLength) {
syncValidators.push(Validators.minLength(element.minLength))
}
if (element.maxLength) {
syncValidators.push(Validators.maxLength(element.maxLength))
}
let asyncValidators = [];
//Add async validation
if (element.customValidExistance) {
if (element.key === 'email') {
asyncValidators.push(UserExistenceValidator.checkEmail);
}
if (element.key === 'displayName') {
asyncValidators.push(UserExistenceValidator.checkUsername);
}
}
return new Control(element.value || '',
Validators.compose(syncValidators),
Validators.composeAsync(asyncValidators));
}