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credit-card-input-mask
Advanced tools
Changelog
3.0.0
Breaking Changes
Private methods in Restricted Input are now private
Readme
forked from braintree/restricted-input
Allow restricted character sets in input
elements.
$ npm install --save credit-card-input-mask
import CreditCardInputMask from "credit-card-input-mask";
const formattedCreditCardInput = new CreditCardInputMask({
element: document.querySelector("#credit-card"),
pattern: "{{9999}} {{9999}} {{9999}} {{9999}}",
});
Patterns are a mixture of Placeholder
s and PermaChar
s.
A Placeholder
is the part of the pattern that accepts user input based on some restrictions. A placeholder is defined in the pattern using two open curly brackets, the placeholder, followed by two closing curly brackets e.g. {{Abc123}}
.
The patterns a Placeholder
can be are:
/[A-Za-z]/
. e.g. {{C}}
will match one alpha character./[0-9]/
. e.g. {{3}}
will match one digit.*
character that matches /./
. e.g. {{*}}
will match the next character.A PermaChar
is the part of the pattern that is automatically inserted. PermaChar
s are defined in the pattern as any characters other than Placeholder
s.
Some example patterns with behavior are listed:
12{{3}}
12
.{{A}}BC
BC
.${{*2L}}E
$
.E
.If an input is changed via a paste event, you may want to adjust the pattern before input formatting occurs. In this case, pass an onPasteEvent
callback:
const formattedCreditCardInput = new RestrictedInput({
element: document.querySelector('#credit-card'),
pattern: '{{9999}} {{9999}} {{9999}} {{9999}}',
onPasteEvent: function (payload) {
var value = payload.unformattedInputValue;
if (requiresAmexPattern(value)) {
formattedCreditCardInput.setPattern('{{9999}} {{999999}} {{99999}}')
} else {
formattedCreditCardInput.setPattern('{{9999}} {{9999}} {{9999}} {{9999}}')
}
})
});
Key | Type | Description |
---|---|---|
element | HTMLInputElement or HTMLTextAreaElement | A valid reference to an input or textarea DOM node |
pattern | String | Pattern describing the allowed character set you wish for entry into corresponding field. See Patterns. |
onPasteEvent | Function (optional) | A callback function to inspect the unformatted value of the input during a paste event. See Paste Event. |
input
elements.FAQs
Restrict inputs to certain valid characters (e.g. formatting phone or card numbers)
The npm package credit-card-input-mask receives a total of 150 weekly downloads. As such, credit-card-input-mask popularity was classified as not popular.
We found that credit-card-input-mask demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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