import PureRenderMixin from 'react-addons-pure-render-mixin';
const CharacterCounter = React.createClass({
propTypes: {
text: React.PropTypes.string.isRequired,
max: React.PropTypes.number.isRequired
},
mixins: [PureRenderMixin],
checkRemainingText (diff) {
if (diff <= 0) {
return {diff};
}
return {diff};
},
render () {
const diff = this.props.max - this.props.text.replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, "_").length;
return this.checkRemainingText(diff);
}
});
export default CharacterCounter;