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/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com *//* eslint-env browser *//* global XLSX, chrome */chrome.runtime.onInstalled.addListener(function() {	chrome.contextMenus.create({		type: "normal",		id: "sjsexport",		title: "Export Table to XLSX",		contexts: ["page", "selection"]	});	chrome.contextMenus.create({		type: "normal",		id: "sj5export",		title: "Export All Tables in Page",		contexts: ["page", "selection"]	});	chrome.contextMenus.onClicked.addListener(function(info/*, tab*/) {		var mode = "";		switch(info.menuItemId) {			case 'sjsexport': mode = "JS"; break;			case 'sj5export': mode = "J5"; break;			default: return;		}		chrome.tabs.query({active: true, currentWindow: true}, function(tabs){			chrome.tabs.sendMessage(tabs[0].id, {Sheet:mode}, sjsexport_cb);		});	});
	chrome.contextMenus.create({		id: "sjsabout",		title: "About",		contexts: ["browser_action"]	});	chrome.contextMenus.onClicked.addListener(function(info/*, tab*/) {		if(info.menuItemId !== "sjsabout") return;		chrome.tabs.create({url: "https://sheetjs.com/"});	});});
function sjsexport_cb(wb) {	if(!wb || !wb.SheetNames || !wb.Sheets) { return alert("Error in exporting table"); }	XLSX.writeFile(wb, "export.xlsx");}