Add initial extension

This is simple code that is executed to inject the script, which overwrites window.navigator in a way that Slack web app thinks we're using ChromeOS. On ChromeOS the left sidebar includes workspaces switcher panel. This trick allows non-ChromeOS users enjoy workspace switcher in Slack.
amberbit · Oct 19, 2020 · 3fcd2c1 · 3fcd2c1
1 parent 4df18a7
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diff --git a/content_script.js b/content_script.js
@@ -0,0 +1,5 @@
+const tag = document.createElement("script");
+
+tag.innerHTML = "(function() { Object.defineProperty(navigator, 'userAgent', { value: navigator.userAgent + ' CrOS' }); })()";
+
+document.documentElement.appendChild(tag);
diff --git a/images/icon128.png b/images/icon128.png
diff --git a/images/icon16.png b/images/icon16.png
diff --git a/images/icon48.png b/images/icon48.png
diff --git a/manifest.json b/manifest.json
@@ -0,0 +1,28 @@
+{
+  "manifest_version": 2,
+  "name": "Slack Workspace Switcher For All",
+  "description": "Liberate your Slack in browser with a workspace switcher known from Chrome OS / native apps!",
+  "version": "0.0.1",
+  "icons": {
+    "16": "images/icon16.png",
+    "48": "images/icon48.png",
+    "128": "images/icon128.png"
+  },
+  "browser_action": {
+    "default_icon": {
+      "19": "images/icon48.png"
+    },
+    "default_title": "Slack Workspace Switcher For All"
+  },
+  "permissions": ["https://app.slack.com/"],
+  "content_scripts": [
+    {
+      "all_frames": false,
+      "js": ["content_script.js"],
+      "matches": ["https://app.slack.com/*"],
+      "run_at": "document_start"
+    }
+  ],
+  "content_security_policy": "script-src 'self'; object-src 'self'",
+  "web_accessible_resources": ["images/*.*"]
+}