A Chrome extension that allows you to observe the flow of postMessage messages on the side panel.

Latest Version

Version
1.0.0
Update
October 24, 2023
Size
23.07KiB
Developer
Category
Users
229
Rating
0 ★
Manifest Version
3
Web Store Status
Languages Support
English (United States)
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Permissions
Scripting
ActiveTab
SidePanel
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postMessageObserver Extension

Chrome PostMessage Observer provides a convenient side panel to view postMessages for the current page. This extension offers a user-friendly UI that simplifies the debugging and observation of message flows between iframes and the top window. Easily intercept and analyze postMessage messages, view their payload, source, and target details, and efficiently troubleshoot communication issues within web applications.

Contributions are welcome to the GitHub project, which can be found here: https://github.com/yishiashia/chrome-postmessage-observer
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "name": "postMessageObserver", "version": "1.0.0", "description": "A Chrome extension that allows you to observe the flow of postMessage messages on the side panel.", "icons": { "16": "icon16.png", "48": "icon48.png", "128": "icon128.png" }, "action": { "default_icon": "icon48.png", "default_title": "Click to open panel" }, "permissions": [ "scripting", "activeTab", "sidePanel" ], "side_panel": { "default_path": "popup.html" }, "host_permissions": [ "https://*/*" ], "background": { "service_worker": "sw.js" }, "content_scripts": [ { "matches": [ "https://*/*" ], "js": [ "content.js" ] } ]}
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