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import * as _ from 'lodash';
import * as React from 'react';
import * as HighLight from 'react-highlight';
interface MarkdownCodeBlockProps {
literal: string;
language: string;
}
interface MarkdownCodeBlockState {}
export class MarkdownCodeBlock extends React.Component<MarkdownCodeBlockProps, MarkdownCodeBlockState> {
// Re-rendering a codeblock causes any use selection to become de-selected. This is annoying when trying
// to copy-paste code examples. We therefore noop re-renders on this component if it's props haven't changed.
public shouldComponentUpdate(nextProps: MarkdownCodeBlockProps, nextState: MarkdownCodeBlockState) {
return nextProps.literal !== this.props.literal || nextProps.language !== this.props.language;
}
public render() {
return (
<span style={{ fontSize: 16 }}>
<HighLight className={this.props.language || 'javascript'}>{this.props.literal}</HighLight>
</span>
);
}
}
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