Validator, AbstractControl, Validators } from '@angular/forms' @Directive({ selector: '[min]', providers: [{ provide: NG_VALIDATORS, useExisting: MinDirective, multi: true }] }) export class MinDirective implements Validator { @Input() min: number; validate(control: AbstractControl): { [key...
declare module '@angular/forms' { interface FormControl { addValidators(validators: ValidatorFn[]): void; } } FormControl.prototype.addValidators = function(this: FormControl, validators: ValidatorFn[]) { if (!validators || !validators.length) { return; } const old_val...
Angular文档中的示例代码:https://angular.io/api/forms/AbstractControl#reference-to-a-validatorfn-1 ...
如何调试angular程序,一有错误就指向源码?程序是一个自定义表单组件,typescript如下import { Component, OnInit, Input, forwardRef, OnDestroy } from "@angular/core" import { ControlValueAccessor, NG_VALUE_ACCESSOR, NG_VALIDATORS, FormControl, FormBuilder, FormGroup } from "...
and for Angular – {validator:ValidatorStringRequired,message:'UserProfile__Name_is_required'}...// somewhere in the markup:{{message|i18n}} Predefined validators The project includes 7 predefined validators. More complex or specific validators can be implemented manually using examples. ...
如何调试angular程序,一有错误就指向源码?程序是一个自定义表单组件,typescript如下import { Component, OnInit, Input, forwardRef, OnDestroy } from "@angular/core" import { ControlValueAccessor, NG_VALUE_ACCESSOR, NG_VALIDATORS, FormControl, FormBuilder, FormGroup } from "...
export interface ValidatorOptions { skipMissingProperties?: boolean; whitelist?: boolean; forbidNonWhitelisted?: boolean; groups?: string[]; dismissDefaultMessages?: boolean; validationError?: { target?: boolean; value?: boolean; }; forbidUnknownValues?: boolean; stopAtFirstError?: boolean; }...
angular.json deploy.js package-lock.json package.json tsconfig.json README MIT license @fireflysemantics/validatorts A typescript library ofvalidators and sanitizersbased onvalidator.js. Typedoc TheTypedoccontains documentation for all thevalidatorsandsanitizers. ...
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The validators can even be used withAngular FormGroup / FormControlsand can provide the following standard required by angular // standard required by angularexportfunctionpasswordValidator():ValidatorFn{return(control:AbstractControl):ValidationErrors|null=>{constpassword:string=control.value;// ... che...