@uiowa/digit-only
v3.2.1
Published
This package includes two Angular directives. The digitOnly directive only allows numbers in the input box when typing, pasting or drag/dropping. The mask directive checks the input pattern attribute.
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Angular DigitOnly Directive and Mask Directive
Demo
Medium Article: Digit Only Directive in Angular
[x] input
digitOnly
directiveAn Angular directive only allows [0-9] in the input box when typing, pasting or drag/dropping. This directive handles both Windows keyboard and Mac keyboard. This directive works with
input type="text"
, notinput type="number"
.[x] input
mask
directiveThis directive checks the input
pattern
attribute if set.
CHANGELOG
v3.2.0(v2.4.0):
digitOnly
directive now supports disabling paste events (merges a pull request #57, fixes #56).v3.1.0(v2.3.0):
digitOnly
directive now supports negative values (merges a pull request #49).v3.0.0: a release on par with Angular 12. For projects in Angular v10 or v11, please use v2 of this library.
v2.2.3: fix an issue (#50) in the
mask
directive: support dynamic pattern attribute binding.v2.2.2: fix an issue (#28) to prevent dead keys in the
digitOnly
directive.v2.2.1:
digitOnly
directive now dispatches aninput
event when paste in Firefox.v2.2.0: fix an issue (#35): for better international support, both
mask
anddigitOnly
directives now also check thecode
attribute inKeyboardEvent
.v2.1.0(v1.9.0): fix an issue (#39) when typing decimal numbers for the
digitOnly
directivev2.0.0: add
tslib
v2.0 in the dependency, which is required by TypeScript 3.9 (as of Angular 10).v1.8.0: fix an issue (#38) when pasting in IE and Edge for the
digitOnly
directivev1.7.0: the
digitOnly
directive allows model binding tomin
,max
, andpattern
properties.- See demo page for examples.
v1.6.0: the
mask
directive is added to this library.- See an example below about an input allows
##-####
.
- See an example below about an input allows
v1.5.0: this directive checks the input
pattern
attribute if set.- See an example below about an input only allows decimal numbers with precision of 2.
v1.3.0: this directive accepts an attribute for the separator for decimal numbers.
- By default, the separator is a
.
. You can set it to comma when needed.
- By default, the separator is a
v1.1.0: this directive accepts an attribute which indicates if the input number allows a decimal point.
Installation
npm i @uiowa/digit-only
Usage
// in your Angular module
import { DigitOnlyModule } from '@uiowa/digit-only';
@NgModule({
declarations: [
...
],
imports: [
BrowserModule,
DigitOnlyModule
],
...
})
export class YourModule { }
// in your component.html
<input type="text" digitOnly />
// pull out the numeric keypad in mobile devices and tablets
<input
type="text"
name="zipcode"
id="zipcode"
placeholder="00000"
maxlength="5"
inputmode="numeric"
pattern="[0-9]*"
digitOnly
/>
// turn off browser autocomplete
<input ... autocomplete="off" />
// allows decimal input
<input
id="decimal-number"
type="text"
digitOnly
decimal="true"
placeholder="000"
/>
// allows to set decimal separator
<label for="digit-only-decimal-comma">
Digit Only input box that allows a <i>decimal point</i> using
<strong>a comma as the separator</strong>
</label>
<input
id="digit-only-decimal-comma"
type="text"
digitOnly
decimal="true"
decimalSeparator=","
placeholder="0,00"
pattern="[0-9]+([,][0-9]+)?"
/>
// Digit Only input only allows two decimal places
<input
id="currency"
type="text"
name="currency"
inputmode="numeric"
pattern="^\d+(\.\d{1,2})?$"
placeholder="0.00"
digitOnly
decimal="true"
/>
mask
directive usage
// input masked with pattern attribute: <code>##-####</code>
<input
id="org-dept"
type="text"
pattern="^(\d{0,2}|\d{2}-\d{0,4})$"
name="org-dept"
title="org-dept"
placeholder="00-0000"
mask
/>