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import { useWindowDimensions } from '@automattic/viewport';
import { memo, useState } from 'react';
import { LoadingEllipsis } from 'calypso/components/loading-ellipsis';
import { MShotParams } from '../types';
import type { FunctionComponent } from 'react';
/* eslint-disable wpcalypso/jsx-classname-namespace */
interface Props {
website: string;
}
const protocolRgx = /(?<protocol>https?:\/\/)?(?<address>.*)/i;
const ImportPreview: FunctionComponent< Props > = ( { website } ) => {
const [ mShotUrl, setMShotUrl ] = useState( '' );
const { width } = useWindowDimensions();
const mShotParams: MShotParams = {
scale: 2,
vpw: width <= 640 ? 640 : undefined,
};
const websiteMatch = website.match( protocolRgx );
const checkScreenshot = ( screenShotUrl: string ) => {
const http = new XMLHttpRequest();
http.open( 'GET', screenShotUrl );
http.onreadystatechange = () => {
if ( http.readyState !== http.HEADERS_RECEIVED ) {
return;
}
if ( http.getResponseHeader( 'Content-Type' ) !== 'image/jpeg' ) {
setTimeout( () => {
checkScreenshot( screenShotUrl );
}, 5000 );
} else {
setMShotUrl( screenShotUrl );
}
};
http.send();
};
checkScreenshot(
`https://s0.wp.com/mshots/v1/${ website }?${ Object.entries( mShotParams )
.filter( ( entry ) => !! entry[ 1 ] )
.map( ( [ key, val ] ) => key + '=' + val )
.join( '&' ) }`
);
const Screenshot = () => {
if ( mShotUrl !== '' ) {
return (
<img src={ mShotUrl } alt="Website screenshot preview" className="import__screenshot" />
);
}
return (
<div className="import__screenshot-loading">
<LoadingEllipsis />
</div>
);
};
return (
<div className="import__preview">
<div className="import__preview-wrapper">
<div role="presentation" className="import__preview-bar">
<div role="presentation" className="import__preview-bar-dot" />
<div role="presentation" className="import__preview-bar-dot" />
<div role="presentation" className="import__preview-bar-dot" />
{ websiteMatch && (
<div className="import__preview-url-field">
<div dir="ltr">
<span>{ websiteMatch?.groups?.protocol }</span>
{ websiteMatch?.groups?.address }
</div>
</div>
) }
</div>
<Screenshot />
</div>
</div>
);
};
export default memo(
ImportPreview,
( prevProps: Props, nextProps: Props ) => prevProps?.website === nextProps?.website
);
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