/* global window, document, Blob */
import React, { Component } from "react";
import PropTypes from "prop-types";
const propTypes = {
table: PropTypes.string.isRequired,
filename: PropTypes.string.isRequired,
sheet: PropTypes.string.isRequired,
id: PropTypes.string,
className: PropTypes.string,
buttonText: PropTypes.string,
children: PropTypes.element
};
const defaultProps = {
id: "button-download-as-xls",
className: "button-download",
buttonText: "Download"
};
class ReactHTMLTableToExcel extends Component {
constructor(props) {
super(props);
this.handleDownload = this.handleDownload.bind(this);
}
static base64(s) {
return window.btoa(unescape(encodeURIComponent(s)));
}
static format(s, c) {
return s.replace(/{(\w+)}/g, (m, p) => c[p]);
}
handleDownload() {
if (!document) {
if (process.env.NODE_ENV !== "production") {
console.error("Failed to access document object");
}
return null;
}
if (
document.getElementById(this.props.table).nodeType !== 1 ||
document.getElementById(this.props.table).nodeName !== "TABLE"
) {
if (process.env.NODE_ENV !== "production") {
console.error("Provided table property is not html table element");
}
return null;
}
const table = document.getElementById(this.props.table).outerHTML;
const sheet = String(this.props.sheet);
const filename = `${String(this.props.filename)}.xls`;
const uri = "data:application/vnd.ms-excel;base64,";
const template =
'{table}";
const context = {
worksheet: sheet || "Worksheet",
table
};
// If IE11
if (window.navigator.msSaveOrOpenBlob) {
const fileData = [
`${
'"
}${table}`
];
const blobObject = new Blob(fileData);
document.getElementById("react-html-table-to-excel").click()(() => {
window.navigator.msSaveOrOpenBlob(blobObject, filename);
});
return true;
}
const element = window.document.createElement("a");
element.href =
uri +
ReactHTMLTableToExcel.base64(
ReactHTMLTableToExcel.format(template, context)
);
element.download = filename;
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
return true;
}
render() {
return (
);
}
}
ReactHTMLTableToExcel.propTypes = propTypes;
ReactHTMLTableToExcel.defaultProps = defaultProps;
export default ReactHTMLTableToExcel;