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- // Test 1: Update manifest.json
- // Replace content_scripts with _content_scripts to see that
- // Changing the manifest file does not update the extension.
- // (or simply change the version number)
- // Test 2: Update contentscript.js
- // For example, replace alert with confirm.
- // manifest.json
- {
- "name": "Reload test",
- "version": "1",
- "content_scripts": [{
- "matches": ["<all_urls>"],
- "js": ["contentscript.js"]
- }],
- "background": {"scripts":["bg.js"]}
- }
- // contentscript.js
- alert('Test');
- // bg.js
- function reloadOnChange(url, checkIntervalMS) {
- if (!window.__watchedFiles) {
- window.__watchedFiles = {};
- }
- (function() {
- var self = arguments.callee;
- var xhr = new XMLHttpRequest();
- xhr.onreadystatechange = function() {
- if (xhr.readyState == 4) {
- if (__watchedFiles[url] &&
- __watchedFiles[url] != xhr.responseText) {
- window.location.reload();
- } else {
- __watchedFiles[url] = xhr.responseText
- window.setTimeout(self, checkIntervalMS || 1000);
- }
- }
- };
- xhr.open("GET", url, true);
- xhr.send();
- })();
- }
- reloadOnChange(chrome.extension.getURL('/manifest.json'));
- reloadOnChange(chrome.extension.getURL('/contentscript.js'));
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