7,451 questions
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Unable to open Vue Devtools from Toggle or Select Components in Firefox/Chrome on macOS
Environment:
OS: macOS (e.g., Sonoma or Ventura)
Browsers tested: Firefox (latest), Chrome (latest)
Vue Devtools version: [7.7.7]
Vue version: [e.g., Vue 3.4.21]
Devtools installation method: Browser ...
2
votes
1
answer
35
views
Firefox extension for android mobile permissions error
I am working on an extension for Firefox for Android, but I am running into issues with permissions. I have this piece of code that checks what permissions the extension has.
const bookmarks = await ...
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27
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Browser extension fails to reliably update favicon on SPA pages despite correct <link rel="icon"> in DOM
I’m developing a browser extension that changes the favicon on a Single Page Application (SPA).. specifically Roblox.com. The extension injects code to replace the existing favicon with a custom SVG ...
2
votes
1
answer
55
views
save to file from firefox extension
I want to pass a single number from Firefox extension to external world, so that another application can get it. The only solution I can think of is to write it to a file in some known location, but I ...
- 767
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1
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39
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How to handle window is focused or not when extension is opened?
So the thing is I have an extension that tracks users to check the time they spend in each site. I have a particular code to stop all kinds of tracking when the user switches away from chrome onto ...
- 15
0
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54
views
Performance Discrepancy in Image Pixel Comparison Across Browsers Using Canvas
I am using the Canvas NPM library to perform a delta comparison between two images. Both images have the same dimensions (equal width and height). The Method takes two images as base64 string and I am ...
- 11
2
votes
1
answer
35
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How to use `.xpiignore`?
I want to remake Firefox addon "Open With"( https://github.com/darktrojan/openwith ).
I noticed there is a file named .xpiignore but I can't find document( found some repositories which have)...
- 259
0
votes
1
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56
views
declarativeNetRequest set condition to the extension
I am working on a extension that downloads for the user content. (WebToEpub)
Some websites check the origin header and block the request if it is wrong.
How can i set the condition in the rule so that ...
- 31
0
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54
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How can I enforce code integrity for a locally installed (unpacked) Chrome extension so it refuses to run if tampered with?
Background
I’m developing a Chrome extension distributed locally in “unpacked” mode, outside of the Chrome Web Store. I need a way to guarantee that if any part of the extension’s code (JS, HTML, CSS, ...
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21
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How to automate testing of firefox extension using web-ext?
I can run my extension in the local firefox browser using web-ext run and I can make a webdriver test that can open firefox and automate it, but this version doesn't have the development extension ...
-3
votes
1
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69
views
In FireFox's debugger, how do I break at the first line of JavaScript that an addon runs?
In FireFox's debugger, how do I break at the first line of JavaScript that an addon runs?
I need to break at the entry-point, but I don't know what the entry-point is.
- 5,769
1
vote
1
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48
views
Web extension: message response is undefined [duplicate]
Edit: I gave up and decided to store the data in the storage.local of the popup.
I am sending a message from the popup to the background to fetch some data from storage.local (when I do it from the ...
2
votes
1
answer
90
views
Navigation in Chrome/Firefox extension
I've been working on my extension YTDownloaderNew, and in the ytm-content-script.js, I'm using this code to detect when the user navigates to a YouTube Music playlist:
navigation.addEventListener('...
- 41
1
vote
1
answer
68
views
Browser Extension Message Passing not waiting for async response in background script
I'm creating a browser extension where I need to capture a full-page screenshot. The process involves sending message signals between popup and background script and content-script. However, the await ...
- 197
0
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0
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62
views
How to install extension/s using the installer for a Windows (Firefox) web browser
We have a custom Windows web browser forked from Firefox and for convenience to our users, we would like to include some extensions by default. If they need to be approved by the user that is not a ...
- 800