28 lines
697 B
JavaScript
28 lines
697 B
JavaScript
import PureRenderMixin from 'react-addons-pure-render-mixin';
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const CharacterCounter = React.createClass({
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propTypes: {
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text: React.PropTypes.string.isRequired,
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max: React.PropTypes.number.isRequired
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},
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mixins: [PureRenderMixin],
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checkRemainingText (diff) {
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if (diff <= 0) {
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return <span style={{ fontSize: '16px', cursor: 'default', color: '#ff5050' }}>{diff}</span>;
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}
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return <span style={{ fontSize: '16px', cursor: 'default' }}>{diff}</span>;
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},
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render () {
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const diff = this.props.max - this.props.text.replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, "_").length;
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return this.checkRemainingText(diff);
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}
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});
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export default CharacterCounter;
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