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background.js
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background.js
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var field = "useskin";
var value = "vector";
let reMobile = /([.]m[.]|^m[.])/
let origin = null;
var urls_scope = ["*://*.wikipedia.org/*", "*://*.wiktionary.org/*", "*://commons.wikimedia.org/*",
"*://*.wikisource.org/*", "*://*.wikidata.org/*", "*://*.mediawiki.org/*"
];
var excludedUrls = [/(www|nostalgia|[.]m)[.]wikipedia[.]org/,
/www[.]wiktionary[.]org/,
/(.*[.]m[.]|m[.])/,
/.*[.]m[.]wikimedia[.]org/,
/commons[.]m[.]wikimedia[.]org/]
var excludedUrlParameters = [
/mobileaction=toggle_view_mobile/,
/api.php/
]
function mobileRedirect(requestDetails) {
currentUrl = requestDetails.url;
var url = new URL(currentUrl);
try {
origin = requestDetails.originUrl;
} catch(error) {
return currentUrl;
}
if ((origin != null) && (origin.includes("useskin=vector")) && (reMobile.test(url.hostname))){
url.searchParams.delete(field);
url.searchParams.delete("mobileaction");
return {
redirectUrl: url.toString()
};
}
}
function redirect(requestDetails) {
currentUrl = requestDetails.url;
var url = new URL(currentUrl);
var isMatch = excludedUrls.some(function(rx) { return rx.test(url.hostname); });
var isMatch2 = excludedUrlParameters.some(function(rx) { return rx.test(url.href); });
if (isMatch) {
return currentUrl;
}
if (isMatch2) {
return currentUrl;
}
if (url.searchParams.has(field)) {
return currentUrl;
} else {
url.searchParams.set(field, value);
return {
redirectUrl: url.toString()
};
}
}
browser.webRequest.onBeforeRequest.addListener(
redirect,
{urls:urls_scope, types:["main_frame"]},
["blocking"]
);
browser.webRequest.onHeadersReceived.addListener(
mobileRedirect,
{urls:urls_scope, types:["main_frame"]},
["blocking"]
);