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import {
getUrlParts,
getUrlFromParts,
determineUrlType,
URL_TYPE,
format as formatUrl,
safeImageUrl,
} from '@automattic/calypso-url';
import clsx from 'clsx';
import { Component } from 'react';
import './style.scss';
type Props = {
className?: string;
user?: {
display_name?: string;
name?: string;
avatar_URL?: string;
} | null;
size?: number;
imgSize?: number;
// connected props:
tempImage?:
| string // the temp image base64 string if it exists
| false; // or false if the temp image does not exist
alt?: string;
title?: string;
role?: 'presentation' | 'img' | 'button' | 'link';
};
export class Gravatar extends Component< Props > {
static defaultProps = {
// The REST-API returns s=96 by default, so that is most likely to be cached
imgSize: 96,
size: 32,
};
state = { failedToLoad: false };
getResizedImageURL( imageURL: string | null ) {
const { imgSize } = this.props;
const defaultUrl = 'https://www.gravatar.com/avatar/0';
imageURL = imageURL || defaultUrl;
const urlType = determineUrlType( imageURL );
if ( urlType === URL_TYPE.INVALID || urlType === URL_TYPE.PATH_RELATIVE ) {
return defaultUrl;
}
const { search, origin, host, ...parsedURL } = getUrlParts( imageURL );
if ( /^([-a-zA-Z0-9_]+\.)*(gravatar.com)$/.test( parsedURL.hostname ) ) {
parsedURL.searchParams.set( 's', imgSize?.toString() ?? '32' );
parsedURL.searchParams.set( 'd', 'mm' );
} else {
// assume photon
parsedURL.searchParams.set( 'resize', `${ imgSize },${ imgSize }` );
}
// getUrlFromParts can only handle absolute URLs, so add dummy data if needed.
// formatUrl will remove it away, to match the previous url type.
parsedURL.protocol = parsedURL.protocol || 'https:';
parsedURL.hostname = parsedURL.hostname || '__domain__.invalid';
return formatUrl( getUrlFromParts( parsedURL ), urlType );
}
onError = () => this.setState( { failedToLoad: true } );
render() {
const { alt, title, size, tempImage, user, role } = this.props;
if ( ! user ) {
return (
<span
className="gravatar is-placeholder"
style={ { width: size, height: size } }
role={ role }
/>
);
}
if ( this.state.failedToLoad && ! tempImage ) {
return <span className="gravatar is-missing" role={ role } />;
}
const altText = alt || user.display_name || user.name;
const avatarURL = tempImage || this.getResizedImageURL( safeImageUrl( user.avatar_URL ) );
const classes = clsx( 'gravatar', this.props.className );
return (
<img
alt={ altText }
title={ title }
className={ classes }
src={ avatarURL }
width={ size }
height={ size }
onError={ this.onError }
role={ role }
/>
);
}
}
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