chext/chext/main.js

openWikipediaLibrary = function(word) {
	let slOne = word["linkUrl"].indexOf("/");
	let slTwo = word["linkUrl"].indexOf("/",slOne +2);
	let result = word["linkUrl"].substr(slOne+2,slTwo-slOne-2);
	result = result.replaceAll(".","-");
	result = "https://" + result + ".wikipedialibrary.idm.oclc.org" + word["linkUrl"].substr(slTwo);
	chrome.tabs.create({url: result});
};

chrome.contextMenus.create({
	title: "Open in Wikipedia Library",
	contexts:["link"],
	onclick: openWikipediaLibrary
});