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import { Component } from 'react';
const getRegExpFor = function ( type, textToHighlight ) {
const expressions = {};
expressions.username = '(^' + textToHighlight + ')(\\w*)\\s*';
expressions.fullname = '(^.*?)(\\b' + textToHighlight + ')(.*)';
return new RegExp( expressions[ type ], 'ig' );
};
const highlight = ( content, textToHighlight, type ) => {
const lowerCaseSearch = textToHighlight.toLowerCase();
const matcher = getRegExpFor( type, textToHighlight );
const matches = matcher.exec( content );
if ( ! matches ) {
return [ { type: 'text', text: content } ];
}
return matches.slice( 1 ).reduce(
( [ result, alreadyHighlighted ], text ) => {
// skip the first "complete match" string
const shouldHighlight = ! alreadyHighlighted && lowerCaseSearch === text.toLowerCase();
// eslint-disable-next-line no-shadow
const type = shouldHighlight ? 'strong' : 'text';
return [ [ ...result, { type, text } ], shouldHighlight ];
},
[ [], false ]
)[ 0 ];
};
export class Suggestion extends Component {
render() {
const username = highlight( this.props.username, this.props.suggestionsQuery, 'username' );
username.unshift( { type: 'text', text: '@' } );
const fullName = highlight( this.props.fullName, this.props.suggestionsQuery, 'fullname' );
return (
// eslint-disable-next-line jsx-a11y/click-events-have-key-events, jsx-a11y/no-noninteractive-element-interactions
<li
ref={ this.props.getElement }
key={ this.props.username }
className={ this.props.selected ? 'cur' : '' }
onClick={ this.props.onClick }
onMouseEnter={ this.props.onMouseEnter }
>
{ /* eslint-disable-next-line jsx-a11y/alt-text */ }
<img src={ this.props.avatarUrl } />
<span className="wpnc__username">
{ username.map( ( { type, text }, index ) =>
'strong' === type ? (
<strong key={ index }>{ text }</strong>
) : (
<span key={ index }>{ text }</span>
)
) }
</span>
<small>
{ fullName.map( ( { type, text }, index ) =>
'strong' === type ? (
<strong key={ index }>{ text }</strong>
) : (
<span key={ index }>{ text }</span>
)
) }
</small>
</li>
);
}
}
export default Suggestion;
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