nyastodon/app/javascript/mastodon/features/compose/components/character_counter.js
Yamagishi Kazutoshi 2991a7cfe6 Use ES Class Fields & Static Properties (#3008)
Use ES Class Fields & Static Properties (currently stage 2) for improve class outlook.

Added babel-plugin-transform-class-properties as a Babel plugin.
2017-05-12 14:44:10 +02:00

27 lines
625 B
JavaScript

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