woocommerce/packages/woocommerce-blocks/assets/js/base/components/state-input/state-input.tsx

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2021-12-10 12:03:04 +00:00
/**
* External dependencies
*/
import { __ } from '@wordpress/i18n';
import { decodeEntities } from '@wordpress/html-entities';
import { useCallback, useMemo, useEffect, useRef } from '@wordpress/element';
import classnames from 'classnames';
/**
* Internal dependencies
*/
import { ValidatedTextInput } from '../text-input';
import Combobox from '../combobox';
import './style.scss';
import type { StateInputWithStatesProps } from './StateInputProps';
const optionMatcher = (
value: string,
options: { label: string; value: string }[]
): string => {
const foundOption = options.find(
( option ) =>
option.label.toLocaleUpperCase() === value.toLocaleUpperCase() ||
option.value.toLocaleUpperCase() === value.toLocaleUpperCase()
);
return foundOption ? foundOption.value : '';
};
const StateInput = ( {
className,
id,
states,
country,
label,
onChange,
autoComplete = 'off',
value = '',
required = false,
}: StateInputWithStatesProps ): JSX.Element => {
const countryStates = states[ country ];
const options = useMemo(
() =>
countryStates
? Object.keys( countryStates ).map( ( key ) => ( {
value: key,
label: decodeEntities( countryStates[ key ] ),
} ) )
: [],
[ countryStates ]
);
/**
* Handles state selection onChange events. Finds a matching state by key or value.
*/
const onChangeState = useCallback(
( stateValue: string ) => {
onChange(
options.length > 0
? optionMatcher( stateValue, options )
: stateValue
);
},
[ onChange, options ]
);
/**
* Track value changes.
*/
const valueRef = useRef< string >( value );
useEffect( () => {
if ( valueRef.current !== value ) {
valueRef.current = value;
}
}, [ value ] );
/**
* If given a list of options, ensure the value matches those options or trigger change.
*/
useEffect( () => {
if ( options.length > 0 && valueRef.current ) {
const match = optionMatcher( valueRef.current, options );
if ( match !== valueRef.current ) {
onChangeState( match );
}
}
}, [ options, onChangeState ] );
if ( options.length > 0 ) {
return (
<>
<Combobox
className={ classnames(
className,
'wc-block-components-state-input'
) }
id={ id }
label={ label }
onChange={ onChangeState }
options={ options }
value={ value }
errorMessage={ __(
'Please select a state.',
'woo-gutenberg-products-block'
) }
required={ required }
autoComplete={ autoComplete }
/>
{ autoComplete !== 'off' && (
<input
type="text"
aria-hidden={ true }
autoComplete={ autoComplete }
value={ value }
onChange={ ( event ) =>
onChangeState( event.target.value )
}
style={ {
minHeight: '0',
height: '0',
border: '0',
padding: '0',
position: 'absolute',
} }
tabIndex={ -1 }
/>
) }
</>
);
}
return (
<ValidatedTextInput
className={ className }
id={ id }
label={ label }
onChange={ onChangeState }
autoComplete={ autoComplete }
value={ value }
required={ required }
/>
);
};
export default StateInput;