feat: Add VS Code Language Model API integration and Biome linting

.biomeignore

@@ -1,18 +1,18 @@
-# Build output
-out/
-dist/
-
-# Dependencies
-node_modules/
-
-# Type definitions
-**/*.d.ts
-
-# Config files
-webpack.config.js
-
-# VSCode settings
-.vscode/
-
-# Large files
-src/encoder.json
+# Build output
+out/
+dist/
+
+# Dependencies
+node_modules/
+
+# Type definitions
+**/*.d.ts
+
+# Config files
+webpack.config.js
+
+# VSCode settings
+.vscode/
+
+# Large files
+src/encoder.json

.github/workflows/main.yml

@@ -1,28 +1,28 @@
-name: Node.js CI
-
-on:
-  push:
-    branches: ["main"]
-  pull_request:
-    branches: ["main"]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [16.x, 18.x]
-        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
-
-    steps:
-      - uses: actions/checkout@v3
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
-        with:
-          node-version: ${{ matrix.node-version }}
-          cache: "npm"
-      - run: npm install
-      - run: npm run type-check
-      - run: npm run lint
-      - run: npm run compile
+name: Node.js CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [16.x, 18.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "npm"
+      - run: npm install
+      - run: npm run type-check
+      - run: npm run lint
+      - run: npm run compile

.vscode/launch.json

@@ -9,25 +9,16 @@
       "name": "Run Extension",
       "type": "extensionHost",
       "request": "launch",
-      "args": [
-        "--extensionDevelopmentPath=${workspaceFolder}",
-      ],
-      "outFiles": [
-        "${workspaceFolder}/dist/**/*.js"
-      ],
+      "args": ["--extensionDevelopmentPath=${workspaceFolder}"],
+      "outFiles": ["${workspaceFolder}/dist/**/*.js"],
       "preLaunchTask": "${defaultBuildTask}"
     },
     {
       "name": "Run Extension (Disable Other Extentions)",
       "type": "extensionHost",
       "request": "launch",
-      "args": [
-        "--extensionDevelopmentPath=${workspaceFolder}",
-        "--disable-extensions"
-      ],
-      "outFiles": [
-        "${workspaceFolder}/dist/**/*.js"
-      ],
+      "args": ["--extensionDevelopmentPath=${workspaceFolder}", "--disable-extensions"],
+      "outFiles": ["${workspaceFolder}/dist/**/*.js"],
       "preLaunchTask": "${defaultBuildTask}"
     },
     {
@@ -38,11 +29,8 @@
         "--extensionDevelopmentPath=${workspaceFolder}",
         "--extensionTestsPath=${workspaceFolder}/out/test/suite/index"
       ],
-      "outFiles": [
-        "${workspaceFolder}/out/**/*.js",
-        "${workspaceFolder}/dist/**/*.js"
-      ],
+      "outFiles": ["${workspaceFolder}/out/**/*.js", "${workspaceFolder}/dist/**/*.js"],
       "preLaunchTask": "tasks: watch-tests"
     }
   ]
-}
+}

.vscode/settings.json

@@ -10,5 +10,8 @@
   },
   // Turn off tsc task auto detection since we have the necessary tasks as npm scripts
   "typescript.tsc.autoDetect": "off",
-  "cSpell.words": ["Diffy", "GCMG"]
+  "cSpell.words": ["Diffy", "GCMG"],
+  // Use Biome as the default formatter
+  "editor.defaultFormatter": "biomejs.biome",
+  "editor.formatOnSave": true
 }

.vscode/tasks.json

@@ -1,40 +1,37 @@
 // See https://go.microsoft.com/fwlink/?LinkId=733558
 // for the documentation about the tasks.json format
 {
-	"version": "2.0.0",
-	"tasks": [
-		{
-			"type": "npm",
-			"script": "watch",
-			"problemMatcher": "$ts-webpack-watch",
-			"isBackground": true,
-			"presentation": {
-				"reveal": "never",
-				"group": "watchers"
-			},
-			"group": {
-				"kind": "build",
-				"isDefault": true
-			}
-		},
-		{
-			"type": "npm",
-			"script": "watch-tests",
-			"problemMatcher": "$tsc-watch",
-			"isBackground": true,
-			"presentation": {
-				"reveal": "never",
-				"group": "watchers"
-			},
-			"group": "build"
-		},
-		{
-			"label": "tasks: watch-tests",
-			"dependsOn": [
-				"npm: watch",
-				"npm: watch-tests"
-			],
-			"problemMatcher": []
-		}
-	]
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "type": "npm",
+      "script": "watch",
+      "problemMatcher": "$ts-webpack-watch",
+      "isBackground": true,
+      "presentation": {
+        "reveal": "never",
+        "group": "watchers"
+      },
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      }
+    },
+    {
+      "type": "npm",
+      "script": "watch-tests",
+      "problemMatcher": "$tsc-watch",
+      "isBackground": true,
+      "presentation": {
+        "reveal": "never",
+        "group": "watchers"
+      },
+      "group": "build"
+    },
+    {
+      "label": "tasks: watch-tests",
+      "dependsOn": ["npm: watch", "npm: watch-tests"],
+      "problemMatcher": []
+    }
+  ]
 }

CHANGELOG.md

@@ -1,43 +1,70 @@
-# Change Log
-
-All notable changes to the "diffy-explain-ai" extension will be documented in this file.
-
-Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
-
-## [Unreleased]
-
-- Initial release
-
-## [0.0.6] - 2022-12-24
-
-### Added
-
-- Generate Commit Message.
-- Explain Changes in Natural Language.
-- Directly Generate Commit Message to VScode git commit input box. Copy to Clipboard
-
-## [0.0.7] - 2022-12-24
-
-### Fixed
-
-- Commit Message Generation Improved
-
-## [0.0.8] - 2022-12-24
-
-### Changes
-
-- Suggested Message as Newline Instead of Space
-
-## [0.0.9] - 2022-12-24
-
-### Added
-
-- Explain and Preview Changes of Staged Files
-### Changes
-
-- Bug Fixes
-
-## [0.0.10] - 2022-12-24
-### Changes
-
+# Change Log
+
+All notable changes to the "diffy-explain-ai" extension will be documented in this file.
+
+Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
+
+## [1.1.0] - 2025-11-03
+
+### Added
+
+- **VS Code Language Model API Integration**: Support for GitHub Copilot as an AI service provider
+- New configuration option `aiServiceProvider` to choose between OpenAI and VS Code LM
+- New configuration option `vscodeLmModel` to select between `copilot-gpt-4o` and `copilot-gpt-3.5-turbo`
+- Dual AI provider architecture allowing users to switch between OpenAI API and GitHub Copilot
+
+### Changed
+
+- Updated VS Code engine requirement to ^1.90.0 for Language Model API support
+- Improved singleton pattern implementation in service classes
+- Modernized imports with `node:` protocol for Node.js built-in modules
+- Enhanced type safety with better TypeScript type definitions
+
+### Fixed
+
+- Fixed singleton constructor patterns in OpenAiService, WorkspaceService, and VsCodeLlmService
+- Fixed confusing void type in EventEmitter type definitions
+- Removed unused variables and parameters warnings
+
+### Documentation
+
+- Updated README with instructions for both OpenAI and GitHub Copilot setup
+- Added comprehensive configuration guide for dual AI provider support
+
+## [Unreleased]
+
+- Initial release
+
+## [0.0.6] - 2022-12-24
+
+### Added
+
+- Generate Commit Message.
+- Explain Changes in Natural Language.
+- Directly Generate Commit Message to VScode git commit input box. Copy to Clipboard
+
+## [0.0.7] - 2022-12-24
+
+### Fixed
+
+- Commit Message Generation Improved
+
+## [0.0.8] - 2022-12-24
+
+### Changes
+
+- Suggested Message as Newline Instead of Space
+
+## [0.0.9] - 2022-12-24
+
+### Added
+
+- Explain and Preview Changes of Staged Files
+### Changes
+
+- Bug Fixes
+
+## [0.0.10] - 2022-12-24
+### Changes
+
 - Bug Fixes