MCP SDK: Add Prettier to Typescript SDK (#976)

Co-authored-by: ihrpr <inna@anthropic.com>

Author: KKonstantinov

.prettierignore

@@ -0,0 +1,10 @@
+# Ignore artifacts:
+build
+dist
+coverage
+*-lock.*
+node_modules
+**/build
+**/dist
+.github/CODEOWNERS
+pnpm-lock.yaml

.prettierrc.json

@@ -0,0 +1,20 @@
+{
+    "printWidth": 140,
+    "tabWidth": 4,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "none",
+    "bracketSpacing": true,
+    "bracketSameLine": false,
+    "proseWrap": "always",
+    "arrowParens": "avoid",
+    "overrides": [
+        {
+            "files": "**/*.md",
+            "options": {
+                "printWidth": 280
+            }
+        }
+    ]
+}

eslint.config.mjs

@@ -2,6 +2,7 @@
 
 import eslint from '@eslint/js';
 import tseslint from 'typescript-eslint';
+import eslintConfigPrettier from 'eslint-config-prettier/flat';
 
 export default tseslint.config(
     eslint.configs.recommended,
@@ -22,5 +23,6 @@ export default tseslint.config(
         rules: {
             "no-console": "error"
         }
-    }
+    },
+    eslintConfigPrettier
 );

package-lock.json

@@ -55,7 +55,7 @@
     "build:cjs:w": "npm run build:cjs -- -w",
     "examples:simple-server:w": "tsx --watch src/examples/server/simpleStreamableHttp.ts --oauth",
     "prepack": "npm run build:esm && npm run build:cjs",
-    "lint": "eslint src/",
+    "lint": "eslint src/ && prettier --check .",
     "test": "npm run fetch:spec-types && jest",
     "start": "npm run server",
     "server": "tsx watch --clear-screen=false src/cli.ts server",
@@ -89,6 +89,8 @@
     "@types/supertest": "^6.0.2",
     "@types/ws": "^8.5.12",
     "eslint": "^9.8.0",
+    "eslint-config-prettier": "^10.1.8",
+    "prettier": "3.6.2",
     "jest": "^29.7.0",
     "supertest": "^7.0.0",
     "ts-jest": "^29.2.4",