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Link.js
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Link.js
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import React from 'react';
import { buildURI, toCSV } from '../core';
import {
defaultProps as commonDefaultProps,
propTypes as commonPropTypes
} from '../metaProps';
/**
*
* @example ../../sample-site/csvlink.example.md
*/
class CSVLink extends React.Component {
static defaultProps = commonDefaultProps;
static propTypes = commonPropTypes;
constructor(props) {
super(props);
this.buildURI = this.buildURI.bind(this);
this.state = { href: '' };
}
componentDidMount() {
const {data, headers, separator, uFEFF, enclosingCharacter} = this.props;
this.setState({ href: this.buildURI(data, uFEFF, headers, separator, enclosingCharacter) });
}
componentDidUpdate(prevProps) {
if (this.props !== prevProps) {
const { data, headers, separator, uFEFF } = this.props;
this.setState({ href: this.buildURI(data, uFEFF, headers, separator) });
}
}
buildURI() {
return buildURI(...arguments);
}
/**
* In IE11 this method will trigger the file download
*/
handleLegacy(event) {
// If this browser is IE 11, it does not support the `download` attribute
if (window.navigator.msSaveOrOpenBlob) {
// Stop the click propagation
event.preventDefault();
const {
data,
headers,
separator,
filename,
enclosingCharacter,
uFEFF
} = this.props;
let blob = new Blob([uFEFF ? '\uFEFF' : '', toCSV(data, headers, separator, enclosingCharacter)]);
window.navigator.msSaveBlob(blob, filename);
return false;
}
}
handleAsyncClick(event) {
const done = proceed => {
if (proceed === false) {
event.preventDefault();
return;
}
this.handleLegacy(event);
};
this.props.onClick(event, done);
}
handleSyncClick(event) {
const stopEvent = this.props.onClick(event) === false;
if (stopEvent) {
event.preventDefault();
return;
}
this.handleLegacy(event);
}
handleClick() {
return event => {
if (typeof this.props.onClick === 'function') {
return this.props.asyncOnClick
? this.handleAsyncClick(event)
: this.handleSyncClick(event);
}
this.handleLegacy(event);
};
}
render() {
const {
data,
headers,
separator,
filename,
uFEFF,
children,
onClick,
asyncOnClick,
enclosingCharacter,
...rest
} = this.props;
return (
<a
download={filename}
{...rest}
ref={link => (this.link = link)}
target="_self"
href={this.state.href}
onClick={this.handleClick()}
>
{children}
</a>
);
}
}
export default CSVLink;