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Enable non persistent background page on Firefox

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This commit is contained in:
Ajay
2023-08-11 11:39:06 -04:00
parent 52149f4c0f
commit e3f3ed20e6
5 changed files with 68 additions and 32 deletions
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59
src/background.ts
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@@ -148,27 +148,58 @@ chrome.runtime.onInstalled.addListener(function () {
*
* @param {JSON} options
*/
function registerFirefoxContentScript(options: Registration) {
const oldRegistration = contentScriptRegistrations[options.id];
if (oldRegistration) oldRegistration.unregister();
async function registerFirefoxContentScript(options: Registration) {
await unregisterFirefoxContentScript(options.id);
if ("scripting" in chrome && "getRegisteredContentScripts" in chrome.scripting) {
await chrome.scripting.registerContentScripts([{
id: options.id,
runAt: "document_start",
matches: options.matches,
allFrames: options.allFrames,
js: options.js,
css: options.css,
persistAcrossSessions: true,
}]);
} else {
chrome.contentScripts.register({
allFrames: options.allFrames,
js: options.js?.map?.(file => ({file})),
css: options.css?.map?.(file => ({file})),
matches: options.matches
}).then((registration) => void (contentScriptRegistrations[options.id] = registration));
}
chrome.contentScripts.register({
allFrames: options.allFrames,
js: options.js,
css: options.css,
matches: options.matches
}).then((registration) => void (contentScriptRegistrations[options.id] = registration));
}
/**
* Only works on Firefox.
* Firefox requires that this is handled by the background script
*
*/
function unregisterFirefoxContentScript(id: string) {
if (contentScriptRegistrations[id]) {
contentScriptRegistrations[id].unregister();
delete contentScriptRegistrations[id];
async function unregisterFirefoxContentScript(id: string) {
if ("scripting" in chrome && "getRegisteredContentScripts" in chrome.scripting) {
// Bug in Firefox where you need to use browser namespace for this call
const getContentScripts = async (filter: browser.scripting.ContentScriptFilter) => {
if (isFirefoxOrSafari()) {
return await browser.scripting.getRegisteredContentScripts(filter);
} else {
return await chrome.scripting.getRegisteredContentScripts(filter);
}
};
const existingRegistrations = await getContentScripts({
ids: [id]
});
if (existingRegistrations?.length > 0) {
await chrome.scripting.unregisterContentScripts({
ids: existingRegistrations.map((script) => script.id),
});
}
} else {
if (contentScriptRegistrations[id]) {
contentScriptRegistrations[id].unregister();
delete contentScriptRegistrations[id];
}
}
}