72 lines
1.7 KiB
JavaScript
72 lines
1.7 KiB
JavaScript
/* global promisify */
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'use strict';
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const navigatorUtil = (() => {
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const handler = {
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urlChange: null
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};
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const tabGet = promisify(chrome.tabs.get.bind(chrome.tabs));
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return extendNative({onUrlChange});
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function onUrlChange(fn) {
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initUrlChange();
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handler.urlChange.push(fn);
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}
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function initUrlChange() {
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if (!handler.urlChange) {
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return;
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}
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handler.urlChange = [];
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chrome.webNavigation.onCommitted.addListener(data =>
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fixNTPUrl(data)
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.then(() => executeCallbacks(handler.urlChange, data, 'committed'))
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);
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chrome.webNavigation.onHistoryStateUpdated.addListener(data =>
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fixNTPUrl(data)
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.then(() => executeCallbacks(handler.urlChange, data, 'historyStateUpdated'))
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);
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chrome.webNavigation.onReferenceFragmentUpdated.addListener(data =>
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fixNTPUrl(data)
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.then(() => executeCallbacks(handler.urlChange, data, 'referenceFragmentUpdated'))
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);
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}
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function fixNTPUrl(data) {
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if (
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!CHROME ||
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!URLS.chromeProtectsNTP ||
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!data.url.startsWith('https://www.google.') ||
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!data.url.includes('/_/chrome/newtab?')
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) {
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return Promise.resolve();
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}
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return tabGet(data.tabId)
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.then(tab => {
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if (tab.url === 'chrome://newtab/') {
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data.url = tab.url;
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}
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});
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}
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function executeCallbacks(callbacks, data, type) {
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for (const cb of callbacks) {
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cb(data, type);
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}
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}
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function extendNative(target) {
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return new Proxy(target, {
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get: (target, prop) => {
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if (target[prop]) {
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return target[prop];
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}
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return chrome.webNavigation[prop].addListener.bind(chrome.webNavigation[prop]);
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}
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});
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}
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})();
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