If you need to create an input for:
- credit card
- phone number
- date
- birthday
- numbers
- Or other custom mask
This project could help you in all this situations!
Take a look at our demos: https://codesandbox.io/s/svelte-input-mask-demo-xurgr
Install it:
npm install --save svelte-input-mask
or if you're using yarn:
yarn add svelte-input-mask
Import MaskInput component:
import MaskInput from "svelte-input-mask/MaskInput.svelte";Use it (for example for CreditCard):
<MaskInput alwaysShowMask maskChar="_" mask="0000-000000-00000" />Add event listeners:
<script>
import MaskInput from 'svelte-input-mask/MaskInput.svelte';
let mask = '0000-0000-0000-0000';
const handleChange = ({ detail }) => {
console.log(detail.inputState.maskedValue); // stores the value of input
if (detail.inputState.maskedValue.indexOf('34') === 0 || detail.inputState.maskedValue.indexOf('37') === 0) {
mask = '0000-000000-00000';
return;
}
mask = '0000-0000-0000-0000';
};
</script>
<MaskInput alwaysShowMask maskChar="_" {mask} on:change={handleChange} />Congrats! You made the first masked input :)
Checkout more usecases here: https://codesandbox.io/s/romantic-franklin-xurgr
Credit cards:
<MaskInput alwaysShowMask maskChar="_" mask="0000-000000-00000" />Phones (you still can change prefixes, country code like in credit card example):
<MaskInput
alwaysShowMask
mask="+1 (000) 000 - 0000"
size={20}
showMask
maskChar="_"
/>Dates:
<script>
import MaskInput from 'svelte-input-mask/MaskInput.svelte';
let maskString = 'DD.MM.YYYY';
let mask = '00.00.0000';
const handleChange = ({ detail }) => {
const value = detail.inputState.maskedValue;
if (parseInt(value[6], 10) > 2) {
maskString = 'DD.MM.YY';
mask = '00.00.00';
} else {
maskString = 'DD.MM.YYYY';
mask = '00.00.0000';
}
};
</script>
<MaskInput alwaysShowMask {maskString} {mask} on:change={handleChange}/>Numbers:
<script>
import NumberInput from 'svelte-input-mask/NumberInput.svelte';
</script>
<NumberInput />Mask input has next props:
| Prop | Default value | Description |
|---|---|---|
| value | - | The value of the input. Will be processed to masked one. In this case you can control the value of the component |
| defaultValue | - | The default value of the input. Will be applied only during the first render |
| maskString | - | The mask string to show if there are no filled chars. It's length should be the same as mask. Example: 'DD.MM.YYYY' |
| maskChar | '' | In case you don't need a custom string you can define only a definite char for mask. Example: maskChar = '_' and mask = '0000-0000-0000-0000' will give: ____-____-____-____ |
| mask | - | The mask of the input. Could be a credit card: '0000-0000-0000-0000', date: 00.00.0000 or whatever you want :) Doesn't work if reformat prop is setted |
| maskFormat | regexp | The regexp for custom formatting. You may use it if you want to define a specific mask. See example here: https://github.com/xnimorz/masked-input/blob/master/packages/input-core/src/index.ts#L16-L28 |
| alwaysShowMask | false | Flag to show the mask |
| showMask | false | Show mask if there is any data in input |
| reformat | - | The function, which defines a custom formatting rules. In case if you can't describe the format only with mask (e.g. numbers). If you use this prop mask prop will be ignored |
Svelte mask input pass all props that it doesn't handle right to input html element.
git clone [email protected]:xnimorz/svelte-input-mask.git
cd svelte-input-mask/example
yarn install
yarn dev
Svelte should be installed in your project. Check the minimal Svelte version here: https://github.com/xnimorz/svelte-input-mask/blob/master/package.json#L42
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