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Auto Themer

Assign and apply color themes per VS Code window/workspace. Supports persisting a workspace→theme mapping by workspace path.

Features

• Unique theme assignment: when enabled, each window in a multi-window setup gets a distinct theme
• Conflict detection and prompts: alerts when multiple windows use the same theme
• Workspace mappings: define mappings using the autoThemer.themeMappingsText setting
• Sidebar UI: quick theme selection, persist current theme, view and edit mappings

How It Works

• Multi-window coordination: all VS Code windows share a global storage location (context.globalStorageUri/fsPath/instances) to track active instances
• Theme application: writes workbench.colorTheme in .vscode/settings.json inside the workspace; on window/workspace close, the value is removed to avoid carryover

Flow:

1. Delayed initialization on startup, scan and track active windows
2. If a workspace is open and a mapping exists, apply the mapped theme (highest priority)
3. If no mapping and multiple windows are detected, assign a unique theme and notify
4. Periodically check for theme conflicts and prompt via sidebar/notifications
5. On window or workspace close, reset workbench.colorTheme in .vscode/settings.json so temporary settings do not persist

Usage

• Commands:
  • Auto Themer: Enable
  • Auto Themer: Disable
  • Auto Themer: Switch Theme
  • Auto Themer: Reassign Theme for Current Window
  • Auto Themer: Persist Current Theme for Workspace
  • Auto Themer: Show Theme Mappings
• Sidebar: pick theme, reassign theme, persist current theme, manage mappings
• Keybinding: Ctrl+Alt+T (Mac: Cmd+Alt+T) for fast theme actions depending on your configuration

Configuration

Configure in VS Code settings:

{
  "autoThemer.enabled": true,
  "autoThemer.builtinThemes": [
    "Abyss",
    "Default Light+",
    "Default Dark+",
    "Kimbie Dark",
    "Monokai",
    "Monokai Dimmed",
    "Quiet Light",
    "Red",
    "Solarized Dark",
    "Solarized Light",
    "Tomorrow Night Blue"
  ],
  "autoThemer.switchInterval": 0,
  "autoThemer.themeMappingsText": "/my/pro-dev: Kimbie Dark; /easy/hc: Kimbie Dark"
}

Notes:

• themeMappingsText is a semicolon-separated path: Theme string. The extension parses this text in memory and uses it as the workspace→theme mapping.

Development

• npm install
• npm run compile
• Press F5 in VS Code to launch the Extension Development Host

License

MIT License