chore: add prettier for code formatting

.github/workflows/pr-checks.yml

@@ -1,33 +1,36 @@
 name: PR Checks
 
 on:
-  pull_request:
-    branches: [master, dev]
+    pull_request:
+        branches: [master, dev]
 
 jobs:
-  validate:
-    name: Type Check, Build & Audit
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          cache: 'npm'
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Type check
-        run: npm run typecheck
-
-      - name: Build
-        run: npm run build
-
-      - name: Security audit
-        run: npm audit --audit-level=high
-        continue-on-error: false
+    validate:
+        name: Type Check, Build & Audit
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v4
+
+            - name: Setup Node.js
+              uses: actions/setup-node@v4
+              with:
+                  node-version: "20"
+                  cache: "npm"
+
+            - name: Install dependencies
+              run: npm ci
+
+            - name: Format check
+              run: npm run format:check
+
+            - name: Type check
+              run: npm run typecheck
+
+            - name: Build
+              run: npm run build
+
+            - name: Security audit
+              run: npm audit --audit-level=high
+              continue-on-error: false

.prettierrc

@@ -0,0 +1,10 @@
+{
+    "semi": false,
+    "singleQuote": false,
+    "tabWidth": 4,
+    "useTabs": false,
+    "trailingComma": "all",
+    "printWidth": 100,
+    "bracketSpacing": true,
+    "arrowParens": "always"
+}

README.md

@@ -13,7 +13,7 @@ Add to your OpenCode config:
 ```jsonc
 // opencode.jsonc
 {
-  "plugin": ["@tarquinen/opencode-dcp@latest"]
+    "plugin": ["@tarquinen/opencode-dcp@latest"],
 }
 ```
 
@@ -56,63 +56,63 @@ DCP uses its own config file:
 
 ```jsonc
 {
-  // Enable or disable the plugin
-  "enabled": true,
-  // Enable debug logging to ~/.config/opencode/logs/dcp/
-  "debug": false,
-  // Notification display: "off", "minimal", or "detailed"
-  "pruneNotification": "detailed",
-  // Protect from pruning for <turns> message turns
-  "turnProtection": {
-    "enabled": false,
-    "turns": 4
-  },
-  // LLM-driven context pruning tools
-  "tools": {
-    // Shared settings for all prune tools
-    "settings": {
-      // Nudge the LLM to use prune tools (every <nudgeFrequency> tool results)
-      "nudgeEnabled": true,
-      "nudgeFrequency": 10,
-      // Additional tools to protect from pruning
-      "protectedTools": []
+    // Enable or disable the plugin
+    "enabled": true,
+    // Enable debug logging to ~/.config/opencode/logs/dcp/
+    "debug": false,
+    // Notification display: "off", "minimal", or "detailed"
+    "pruneNotification": "detailed",
+    // Protect from pruning for <turns> message turns
+    "turnProtection": {
+        "enabled": false,
+        "turns": 4,
     },
-    // Removes tool content from context without preservation (for completed tasks or noise)
-    "discard": {
-      "enabled": true
+    // LLM-driven context pruning tools
+    "tools": {
+        // Shared settings for all prune tools
+        "settings": {
+            // Nudge the LLM to use prune tools (every <nudgeFrequency> tool results)
+            "nudgeEnabled": true,
+            "nudgeFrequency": 10,
+            // Additional tools to protect from pruning
+            "protectedTools": [],
+        },
+        // Removes tool content from context without preservation (for completed tasks or noise)
+        "discard": {
+            "enabled": true,
+        },
+        // Distills key findings into preserved knowledge before removing raw content
+        "extract": {
+            "enabled": true,
+            // Show distillation content as an ignored message notification
+            "showDistillation": false,
+        },
     },
-    // Distills key findings into preserved knowledge before removing raw content
-    "extract": {
-      "enabled": true,
-      // Show distillation content as an ignored message notification
-      "showDistillation": false
-    }
-  },
-  // Automatic pruning strategies
-  "strategies": {
-    // Remove duplicate tool calls (same tool with same arguments)
-    "deduplication": {
-      "enabled": true,
-      // Additional tools to protect from pruning
-      "protectedTools": []
+    // Automatic pruning strategies
+    "strategies": {
+        // Remove duplicate tool calls (same tool with same arguments)
+        "deduplication": {
+            "enabled": true,
+            // Additional tools to protect from pruning
+            "protectedTools": [],
+        },
+        // Prune write tool inputs when the file has been subsequently read
+        "supersedeWrites": {
+            "enabled": true,
+        },
+        // (Legacy) Run an LLM to analyze what tool calls are no longer relevant on idle
+        "onIdle": {
+            "enabled": false,
+            // Additional tools to protect from pruning
+            "protectedTools": [],
+            // Override model for analysis (format: "provider/model")
+            // "model": "anthropic/claude-haiku-4-5",
+            // Show toast notifications when model selection fails
+            "showModelErrorToasts": true,
+            // When true, fallback models are not permitted
+            "strictModelSelection": false,
+        },
     },
-    // Prune write tool inputs when the file has been subsequently read
-    "supersedeWrites": {
-      "enabled": true
-    },
-    // (Legacy) Run an LLM to analyze what tool calls are no longer relevant on idle
-    "onIdle": {
-      "enabled": false,
-      // Additional tools to protect from pruning
-      "protectedTools": [],
-      // Override model for analysis (format: "provider/model")
-      // "model": "anthropic/claude-haiku-4-5",
-      // Show toast notifications when model selection fails
-      "showModelErrorToasts": true,
-      // When true, fallback models are not permitted
-      "strictModelSelection": false
-    }
-  }
 }
 ```
 
@@ -128,6 +128,7 @@ By default, these tools are always protected from pruning across all strategies:
 `task`, `todowrite`, `todoread`, `discard`, `extract`, `batch`
 
 The `protectedTools` arrays in each section add to this default list:
+
 - `tools.settings.protectedTools` — Protects tools from the `discard` and `extract` tools
 - `strategies.deduplication.protectedTools` — Protects tools from deduplication
 - `strategies.onIdle.protectedTools` — Protects tools from on-idle analysis

index.ts

@@ -14,8 +14,8 @@ const plugin: Plugin = (async (ctx) => {
     }
 
     // Suppress AI SDK warnings
-    if (typeof globalThis !== 'undefined') {
-        (globalThis as any).AI_SDK_LOG_WARNINGS = false
+    if (typeof globalThis !== "undefined") {
+        ;(globalThis as any).AI_SDK_LOG_WARNINGS = false
     }
 
     const logger = new Logger(config.debug)
@@ -26,7 +26,10 @@ const plugin: Plugin = (async (ctx) => {
     })
 
     return {
-        "experimental.chat.system.transform": async (_input: unknown, output: { system: string[] }) => {
+        "experimental.chat.system.transform": async (
+            _input: unknown,
+            output: { system: string[] },
+        ) => {
             const discardEnabled = config.tools.discard.enabled
             const extractEnabled = config.tools.extract.enabled
 
@@ -48,7 +51,7 @@ const plugin: Plugin = (async (ctx) => {
             ctx.client,
             state,
             logger,
-            config
+            config,
         ),
         tool: {
             ...(config.tools.discard.enabled && {
@@ -57,7 +60,7 @@ const plugin: Plugin = (async (ctx) => {
                     state,
                     logger,
                     config,
-                    workingDirectory: ctx.directory
+                    workingDirectory: ctx.directory,
                 }),
             }),
             ...(config.tools.extract.enabled && {
@@ -66,7 +69,7 @@ const plugin: Plugin = (async (ctx) => {
                     state,
                     logger,
                     config,
-                    workingDirectory: ctx.directory
+                    workingDirectory: ctx.directory,
                 }),
             }),
         },
@@ -83,7 +86,9 @@ const plugin: Plugin = (async (ctx) => {
                     ...opencodeConfig.experimental,
                     primary_tools: [...existingPrimaryTools, ...toolsToAdd],
                 }
-                logger.info(`Added ${toolsToAdd.map(t => `'${t}'`).join(" and ")} to experimental.primary_tools via config mutation`)
+                logger.info(
+                    `Added ${toolsToAdd.map((t) => `'${t}'`).join(" and ")} to experimental.primary_tools via config mutation`,
+                )
             }
         },
         event: createEventHandler(ctx.client, config, state, logger, ctx.directory),