woocommerce/packages/woocommerce-blocks/assets/js/payment-method-extensions/payment-methods/stripe/credit-card/use-element-options.js

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2021-12-10 12:03:04 +00:00
/**
* External dependencies
*/
import { useState, useEffect, useCallback } from '@wordpress/element';
/**
* @typedef {import('../stripe-utils/type-defs').StripeElementOptions} StripeElementOptions
*/
/**
* Returns the value of a specific CSS property for the element matched by the provided selector.
*
* @param {string} selector CSS selector that matches the element to query.
* @param {string} property Name of the property to retrieve the style
* value from.
* @param {string} defaultValue Fallback value if the value for the property
* could not be retrieved.
*
* @return {string} The style value of that property in the document element.
*/
const getComputedStyle = ( selector, property, defaultValue ) => {
let elementStyle = {};
if (
typeof document === 'object' &&
typeof document.querySelector === 'function' &&
typeof window.getComputedStyle === 'function'
) {
const element = document.querySelector( selector );
if ( element ) {
elementStyle = window.getComputedStyle( element );
}
}
return elementStyle[ property ] || defaultValue;
};
/**
* Default options for the stripe elements.
*/
const elementOptions = {
style: {
base: {
iconColor: '#666EE8',
color: '#31325F',
fontSize: getComputedStyle(
'.wc-block-checkout',
'fontSize',
'16px'
),
lineHeight: 1.375, // With a font-size of 16px, line-height will be 22px.
'::placeholder': {
color: '#fff',
},
},
},
classes: {
focus: 'focused',
empty: 'empty',
invalid: 'has-error',
},
};
/**
* A custom hook handling options implemented on the stripe elements.
*
* @param {Object} [overloadedOptions] An array of extra options to merge with
* the options provided for the element.
*
* @return {StripeElementOptions} The stripe element options interface
*/
export const useElementOptions = ( overloadedOptions ) => {
const [ isActive, setIsActive ] = useState( false );
const [ options, setOptions ] = useState( {
...elementOptions,
...overloadedOptions,
} );
const [ error, setError ] = useState( '' );
useEffect( () => {
const color = isActive ? '#CFD7E0' : '#fff';
setOptions( ( prevOptions ) => {
const showIcon =
typeof prevOptions.showIcon !== 'undefined'
? { showIcon: isActive }
: {};
return {
...prevOptions,
style: {
...prevOptions.style,
base: {
...prevOptions.style.base,
'::placeholder': {
color,
},
},
},
...showIcon,
};
} );
}, [ isActive ] );
const onActive = useCallback(
( isEmpty ) => {
if ( ! isEmpty ) {
setIsActive( true );
} else {
setIsActive( ( prevActive ) => ! prevActive );
}
},
[ setIsActive ]
);
return { options, onActive, error, setError };
};