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ngx-requisite

NgxRequisite

ngx-requisite library => custom Validators, Utility functions for common development.

Installation

npm i ngx-requisite --save

Methods

- isNullOrUndefined
- isDate
- isObject
- leadZeroForMonthOrDay
- remainingDaysHoursFormTwoDates

Validators

Requisite validators

• whitespace
• isNegative
• decimalPrecision

Usage

Model driven

import ReactiveFormsModule in app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { ReactiveFormsModule } from '@angular/forms';

import { AppComponent } from './app.component';

@NgModule({
    imports: [BrowserModule, ReactiveFormsModule],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule {
}

import CustomValidators in app.component.ts

import { Component } from '@angular/core';
import { FormGroup, FormControl } from '@angular/forms';
import { requisiteValidators } from 'ngx-requisite';

@Component({
    selector: 'app',
    template: require('./app.html')
})
export class AppComponent {
  devForm = this.fb.group({
    userName: ['', [requisiteValidators.whitespace]],
  });

  get controls(){
    return this.devForm.controls;
  }

  constructor(private fb: FormBuilder) {}
}

<form [formGroup]="form">
  <input type="text" name="" id="" formControlName="userName" />
  <div class="" *ngIf="controls.userName.hasError('whitespace')">having space</div>
</form>

isNegative

new FormControl('', requisiteValidators.isNegative)

decimalPrecision

new FormControl('',requisiteValidators.decimalPrecision)

For developers

To run the project : npm start Don't forget to run npm test and npm lint before each pull request. Thanks !