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const copy = require('copy-to-clipboard');
const GitBook = require('gitbook-core');
const { React } = GitBook;
const COPIED_TIMEOUT = 1000;
/**
* Get children as text
* @param {React.Children} children
* @return {String}
*/
function getChildrenToText(children) {
return React.Children.map(children, child => {
if (typeof child === 'string') {
return child;
} else {
return child.props.children ?
getChildrenToText(child.props.children) : '';
}
}).join('');
}
let CodeBlockWithCopy = React.createClass({
propTypes: {
children: React.PropTypes.node,
i18n: GitBook.PropTypes.I18n
},
getInitialState() {
return {
copied: false
};
},
onClick(event) {
const { children } = this.props;
event.preventDefault();
event.stopPropagation();
const text = getChildrenToText(children);
copy(text);
this.setState({ copied: true }, () => {
this.timeout = setTimeout(() => {
this.setState({
copied: false
});
}, COPIED_TIMEOUT);
});
},
componentWillUnmount() {
if (this.timeout) {
clearTimeout(this.timeout);
}
},
render() {
const { children, i18n } = this.props;
const { copied } = this.state;
return (
<div className="CodeBlockWithCopy-Container">
<GitBook.ImportCSS href="gitbook/copy-code/button.css" />
{children}
<span className="CodeBlockWithCopy-Button" onClick={this.onClick}>
{copied ? i18n.t('COPIED') : i18n.t('COPY')}
</span>
</div>
);
}
});
CodeBlockWithCopy = GitBook.connect(CodeBlockWithCopy);
module.exports = GitBook.createPlugin({
activate: (dispatch, getState, { Components }) => {
dispatch(Components.registerComponent(CodeBlockWithCopy, { role: 'html:pre' }));
}
});
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