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var ContentScriptOnce = (() => {
"use strict";
let requestMap = new Map();
{
let cleanup = r => {
let {requestId} = r;
let scripts = requestMap.get(requestId);
if (scripts) {
window.setTimeout(() => {
requestMap.delete(requestId);
for (let s of scripts) s.unregister();
}, 0);
}
}
let filter = {
urls: ["<all_urls>"],
types: ["main_frame", "sub_frame", "object"]
};
let wr = browser.webRequest;
for (let event of ["onCompleted", "onErrorOccurred"]) {
wr[event].addListener(cleanup, filter);
}
}
return {
async execute(request, options) {
let {requestId, url} = request;
let scripts = requestMap.get(requestId);
if (!scripts) requestMap.set(requestId, scripts = new Set());
try {
let urlObj = new URL(url);
if (urlObj.port) {
urlObj.port = "";
url = urlObj.toString();
}
} catch (e) {}
let defOpts = {
runAt: "document_start",
matchAboutBlank: true,
matches: [url],
allFrames: true,
};
scripts.add(await browser.contentScripts.register(
Object.assign(defOpts, options)
));
}
}
})();
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