26 lines
		
	
	
	
		
			614 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
	
		
			614 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
import PropTypes from 'prop-types';
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import { PureComponent } from 'react';
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import { length } from 'stringz';
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export default class CharacterCounter extends PureComponent {
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  static propTypes = {
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    text: PropTypes.string.isRequired,
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    max: PropTypes.number.isRequired,
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  };
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  checkRemainingText (diff) {
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    if (diff < 0) {
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      return <span className='character-counter character-counter--over'>{diff}</span>;
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    }
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    return <span className='character-counter'>{diff}</span>;
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  }
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  render () {
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    const diff = this.props.max - length(this.props.text);
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    return this.checkRemainingText(diff);
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  }
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}
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