Add pre-commit hooks (husky + lint-staged + prettier)

.husky/pre-commit

@@ -0,0 +1,2 @@
+npx lint-staged
+npm run test

.lintstagedrc

@@ -0,0 +1,3 @@
+{
+  "*": "prettier --ignore-unknown --write"
+}

package-lock.json

@@ -16,6 +16,8 @@
       },
       "devDependencies": {
         "@types/node": "^26.6.4",
+        "husky": "^9.1.7",
+        "lint-staged": "^17.6.0",
         "prettier": "^3.9.9",
         "typescript": "^7.0.2"
       },
@@ -2493,6 +2495,22 @@
         "node": ">= 14"
       }
     },
+    "node_modules/husky": {
+      "version": "9.1.7",
+      "resolved": "https://registry.npmjs.org/husky/-/husky-9.1.7.tgz",
+      "integrity": "sha512-5gs5ytaNjBrh5Ow3zrvdUUY+0VxIuWVL4i9irt6friV+BqdCfmV11CQTWMiBYWHbXhco+J1kHfTOUkePhCDvMA==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "husky": "bin.js"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/typicode"
+      }
+    },
     "node_modules/iconv-lite": {
       "version": "0.7.3",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.7.3.tgz",
@@ -2708,6 +2726,30 @@
         "safe-buffer": "^5.0.1"
       }
     },
+    "node_modules/lint-staged": {
+      "version": "17.6.0",
+      "resolved": "https://registry.npmjs.org/lint-staged/-/lint-staged-17.6.0.tgz",
+      "integrity": "sha512-nOhBfYkZEwkFtNzD5pK9s9LkcWoxJ+whLzEnhqi9nl7zTB5n7tg8+9iYgMGx2Wm3VlLu8cbNj0RACzY+nWi5iQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "picomatch": "^4.0.7",
+        "string-argv": "^0.3.2",
+        "tinyexec": "^1.3.1"
+      },
+      "bin": {
+        "lint-staged": "bin/lint-staged.js"
+      },
+      "engines": {
+        "node": ">=22.22.1"
+      },
+      "funding": {
+        "url": "https://opencollective.com/lint-staged"
+      },
+      "optionalDependencies": {
+        "yaml": "^2.9.1"
+      }
+    },
     "node_modules/lru-cache": {
       "version": "11.5.3",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-11.5.3.tgz",
@@ -3589,6 +3631,16 @@
         "node": "^20.17.0 || >=22.9.0"
       }
     },
+    "node_modules/string-argv": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/string-argv/-/string-argv-0.3.2.tgz",
+      "integrity": "sha512-aqD2Q0144Z+/RqG52NeHEkZauTAUWJO8c6yTftGJKO3Tja5tUgIfmIl6kExvhtxSDP7fXB6DvzkfMpCd/F3G+Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.6.19"
+      }
+    },
     "node_modules/string-width": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-5.1.2.tgz",
@@ -3701,6 +3753,16 @@
         "node": ">=18"
       }
     },
+    "node_modules/tinyexec": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.3.1.tgz",
+      "integrity": "sha512-GCvB3aoys96IuDFBMcTB46JOR6mdMtAToqwiW8JlWhsoh1mhHi/xn9ss/Dg7N555GiJyEt2qzoG/NHCwM6h1EA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/tinyglobby": {
       "version": "0.2.17",
       "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.17.tgz",
@@ -3992,6 +4054,23 @@
       "engines": {
         "node": ">=18"
       }
+    },
+    "node_modules/yaml": {
+      "version": "2.9.1",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.9.1.tgz",
+      "integrity": "sha512-3NxN8+78OdzbT7C/WjGsyfPAtJaN3FNDsWxv7Y7mcDsT/oOmgW8BpyQQFFBnvZE3j9Y2Sdz1ULFLezL7Eb2yFw==",
+      "dev": true,
+      "license": "ISC",
+      "optional": true,
+      "bin": {
+        "yaml": "bin.mjs"
+      },
+      "engines": {
+        "node": ">= 14.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/eemeli"
+      }
     }
   }
 }

package.json

@@ -29,7 +29,8 @@
     "test": "node --test",
     "sync": "node scripts/sync-upstream.ts",
     "generate": "node scripts/generate.ts",
-    "smoke": "node scripts/smoke.ts"
+    "smoke": "node scripts/smoke.ts",
+    "prepare": "husky"
   },
   "repository": {
     "type": "git",
@@ -41,6 +42,8 @@
   },
   "devDependencies": {
     "@types/node": "^26.6.4",
+    "husky": "^9.1.7",
+    "lint-staged": "^17.6.0",
     "prettier": "^3.9.9",
     "typescript": "^7.0.2"
   }