chore(typescript): add @tsconfig/strictest (#1679)

BarryThePenguin · web-flow · commit 1f8372ecc49a · 2026-01-06T17:03:20.000+09:00
diff --git a/package.json b/package.json
@@ -41,6 +41,7 @@
     "@cloudflare/workers-types": "^4.20250612.0",
     "@hono/eslint-config": "workspace:*",
     "@ryoppippi/unplugin-typia": "^2.6.5",
+    "@tsconfig/strictest": "^2.0.8",
     "@types/bun": "^1.0.0",
     "@types/node": "^25.0.3",
     "@types/ws": "^8.18.0",
diff --git a/packages/ajv-validator/tsconfig.spec.json b/packages/ajv-validator/tsconfig.spec.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/ajv-validator",
     "types": ["vitest/globals"]
   },
diff --git a/packages/arktype-validator/tsconfig.spec.json b/packages/arktype-validator/tsconfig.spec.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noUncheckedIndexedAccess": false,
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/arktype-validator",
     "types": ["vitest/globals"]
   },
diff --git a/packages/auth-js/tsconfig.build.json b/packages/auth-js/tsconfig.build.json
@@ -1,6 +1,11 @@
 {
   "extends": "../../tsconfig.build.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false,
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
+    "noUnusedLocals": false,
     "jsx": "react"
   },
   "references": []
diff --git a/packages/auth-js/tsconfig.spec.json b/packages/auth-js/tsconfig.spec.json
@@ -1,6 +1,11 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false,
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/auth-js",
     "jsx": "react"
   },
diff --git a/packages/bun-transpiler/tsconfig.build.json b/packages/bun-transpiler/tsconfig.build.json
@@ -1,5 +1,7 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false
+  },
   "references": []
 }
diff --git a/packages/bun-transpiler/tsconfig.spec.json b/packages/bun-transpiler/tsconfig.spec.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
     "outDir": "../../dist/packages/bun-transpiler",
     "types": ["vitest/globals"]
   },
diff --git a/packages/casbin/tsconfig.build.json b/packages/casbin/tsconfig.build.json
@@ -1,5 +1,8 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false
+  },
   "references": []
 }
diff --git a/packages/casbin/tsconfig.spec.json b/packages/casbin/tsconfig.spec.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
     "outDir": "../../dist/packages/casbin",
     "types": ["vitest/globals"]
   },
diff --git a/packages/class-validator/tsconfig.spec.json b/packages/class-validator/tsconfig.spec.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/class-validator",
     "types": ["vitest/globals"]
   },
diff --git a/packages/clerk-auth/tsconfig.build.json b/packages/clerk-auth/tsconfig.build.json
@@ -1,5 +1,8 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false
+  },
   "references": []
 }
diff --git a/packages/clerk-auth/tsconfig.spec.json b/packages/clerk-auth/tsconfig.spec.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
     "outDir": "../../dist/packages/clerk-auth",
     "types": ["vitest/globals"]
   },
diff --git a/packages/cloudflare-access/tsconfig.build.json b/packages/cloudflare-access/tsconfig.build.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.build.json",
   "compilerOptions": {
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
     "types": ["@cloudflare/workers-types"]
   },
   "references": []
diff --git a/packages/cloudflare-access/tsconfig.spec.json b/packages/cloudflare-access/tsconfig.spec.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
     "outDir": "../../dist/packages/cloudflare-access",
     "types": ["@cloudflare/workers-types", "vitest/globals"]
   },
diff --git a/packages/conform-validator/tsconfig.build.json b/packages/conform-validator/tsconfig.build.json
@@ -1,5 +1,7 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "noUncheckedIndexedAccess": false
+  },
   "references": []
 }
diff --git a/packages/conform-validator/tsconfig.spec.json b/packages/conform-validator/tsconfig.spec.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noUncheckedIndexedAccess": false,
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/conform-validator",
     "types": ["vitest/globals"]
   },
diff --git a/packages/effect-validator/tsconfig.spec.json b/packages/effect-validator/tsconfig.spec.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/effect-validator",
     "types": ["vitest/globals"]
   },
diff --git a/packages/event-emitter/tsconfig.spec.json b/packages/event-emitter/tsconfig.spec.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/event-emitter",
     "types": ["vitest/globals"]
   },
diff --git a/packages/firebase-auth/tsconfig.build.json b/packages/firebase-auth/tsconfig.build.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.build.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
     "types": ["@cloudflare/workers-types"]
   },
   "references": []
diff --git a/packages/firebase-auth/tsconfig.spec.json b/packages/firebase-auth/tsconfig.spec.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
     "outDir": "../../dist/packages/firebase-auth",
     "types": ["@cloudflare/workers-types", "@cloudflare/vitest-pool-workers", "vitest/globals"]
   },
diff --git a/packages/graphql-server/tsconfig.build.json b/packages/graphql-server/tsconfig.build.json
@@ -1,5 +1,8 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false
+  },
   "references": []
 }
diff --git a/packages/graphql-server/tsconfig.bun.json b/packages/graphql-server/tsconfig.bun.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false,
     "outDir": "../../dist/packages/graphql-server",
     "types": ["bun"]
   },
diff --git a/packages/graphql-server/tsconfig.spec.json b/packages/graphql-server/tsconfig.spec.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false,
     "outDir": "../../dist/packages/graphql-server",
     "types": ["vitest/globals"]
   },
diff --git a/packages/mcp/tsconfig.build.json b/packages/mcp/tsconfig.build.json
@@ -1,6 +1,9 @@
 {
   "extends": "../../tsconfig.build.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
     "types": ["node"]
   },
   "references": []
diff --git a/packages/mcp/tsconfig.json b/packages/mcp/tsconfig.json
@@ -1,5 +1,4 @@
 {
-  "extends": "../../tsconfig.base.json",
   "files": [],
   "include": [],
   "references": [
diff --git a/packages/mcp/tsconfig.spec.json b/packages/mcp/tsconfig.spec.json
@@ -1,6 +1,10 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/mcp",
     "types": ["vitest/globals"]
   },
diff --git a/packages/node-ws/tsconfig.build.json b/packages/node-ws/tsconfig.build.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.build.json",
   "compilerOptions": {
+    "noUnusedLocals": false,
     "types": ["node", "ws"]
   },
   "references": []
diff --git a/packages/node-ws/tsconfig.spec.json b/packages/node-ws/tsconfig.spec.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noUnusedLocals": false,
     "outDir": "../../dist/packages/node-ws",
     "types": ["vitest/globals"]
   },
diff --git a/packages/oauth-providers/tsconfig.build.json b/packages/oauth-providers/tsconfig.build.json
@@ -1,5 +1,9 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false
+  },
   "references": []
 }
diff --git a/packages/oauth-providers/tsconfig.spec.json b/packages/oauth-providers/tsconfig.spec.json
@@ -1,6 +1,9 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
     "outDir": "../../dist/packages/oauth-providers",
     "types": ["vitest/globals"]
   },
diff --git a/packages/oidc-auth/tsconfig.build.json b/packages/oidc-auth/tsconfig.build.json
@@ -1,5 +1,9 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
+    "noPropertyAccessFromIndexSignature": false
+  },
   "references": []
 }
diff --git a/packages/oidc-auth/tsconfig.spec.json b/packages/oidc-auth/tsconfig.spec.json
@@ -1,6 +1,9 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
+    "noPropertyAccessFromIndexSignature": false,
     "outDir": "../../dist/packages/oidc-auth",
     "types": ["vitest/globals"]
   },
diff --git a/packages/otel/tsconfig.build.json b/packages/otel/tsconfig.build.json
@@ -1,5 +1,8 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false
+  },
   "references": []
 }
diff --git a/packages/otel/tsconfig.spec.json b/packages/otel/tsconfig.spec.json
@@ -1,6 +1,9 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
+    "noUncheckedIndexedAccess": false,
     "outDir": "../../dist/packages/oidc-auth",
     "types": ["vitest/globals"]
   },
diff --git a/packages/prometheus/tsconfig.build.json b/packages/prometheus/tsconfig.build.json
@@ -1,5 +1,8 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false
+  },
   "references": []
 }
diff --git a/packages/prometheus/tsconfig.spec.json b/packages/prometheus/tsconfig.spec.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false,
     "outDir": "../../dist/packages/prometheus",
     "types": ["vitest/globals"]
   },
diff --git a/packages/qwik-city/tsconfig.build.json b/packages/qwik-city/tsconfig.build.json
@@ -1,5 +1,7 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "noImplicitReturns": false
+  },
   "references": []
 }
diff --git a/packages/qwik-city/tsconfig.spec.json b/packages/qwik-city/tsconfig.spec.json
@@ -1,6 +1,7 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "noImplicitReturns": false,
     "outDir": "../../dist/packages/quwik-city"
   },
   "include": ["src", "tsdown.config.ts"],
diff --git a/packages/session/tsconfig.build.json b/packages/session/tsconfig.build.json
@@ -1,5 +1,9 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false,
+    "noUncheckedIndexedAccess": false
+  },
   "references": []
 }
diff --git a/packages/session/tsconfig.spec.json b/packages/session/tsconfig.spec.json
@@ -1,6 +1,9 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noPropertyAccessFromIndexSignature": false,
+    "noUncheckedIndexedAccess": false,
     "outDir": "../../dist/packages/session",
     "types": [
       "@cloudflare/workers-types",
diff --git a/packages/ssg-plugins-essential/tsconfig.build.json b/packages/ssg-plugins-essential/tsconfig.build.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.build.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noUncheckedIndexedAccess": false,
     "types": ["node"]
   },
   "references": []
diff --git a/packages/ssg-plugins-essential/tsconfig.spec.json b/packages/ssg-plugins-essential/tsconfig.spec.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noUncheckedIndexedAccess": false,
     "outDir": "../../dist/packages/ssg-plugins-essential",
     "types": ["vitest/globals"]
   },
diff --git a/packages/standard-validator/tsconfig.build.json b/packages/standard-validator/tsconfig.build.json
@@ -1,5 +1,9 @@
 {
   "extends": "../../tsconfig.build.json",
-  "compilerOptions": {},
+  "compilerOptions": {
+    "exactOptionalPropertyTypes": false,
+    "noImplicitReturns": false,
+    "noPropertyAccessFromIndexSignature": false
+  },
   "references": []
 }
diff --git a/packages/standard-validator/tsconfig.spec.json b/packages/standard-validator/tsconfig.spec.json
diff --git a/packages/stytch-auth/tsconfig.build.json b/packages/stytch-auth/tsconfig.build.json
diff --git a/packages/stytch-auth/tsconfig.spec.json b/packages/stytch-auth/tsconfig.spec.json
diff --git a/packages/swagger-ui/tsconfig.build.json b/packages/swagger-ui/tsconfig.build.json
diff --git a/packages/swagger-ui/tsconfig.spec.json b/packages/swagger-ui/tsconfig.spec.json
diff --git a/packages/typebox-validator/tsconfig.spec.json b/packages/typebox-validator/tsconfig.spec.json
diff --git a/packages/typia-validator/tsconfig.build.json b/packages/typia-validator/tsconfig.build.json
diff --git a/packages/typia-validator/tsconfig.spec.json b/packages/typia-validator/tsconfig.spec.json
diff --git a/packages/ua-blocker/tsconfig.script.json b/packages/ua-blocker/tsconfig.script.json
diff --git a/packages/valibot-validator/tsconfig.spec.json b/packages/valibot-validator/tsconfig.spec.json
diff --git a/packages/zod-openapi/tsconfig.build.json b/packages/zod-openapi/tsconfig.build.json
diff --git a/packages/zod-openapi/tsconfig.spec.json b/packages/zod-openapi/tsconfig.spec.json
diff --git a/packages/zod-validator/eslint-suppressions.json b/packages/zod-validator/eslint-suppressions.json
diff --git a/packages/zod-validator/tsconfig.spec.json b/packages/zod-validator/tsconfig.spec.json
diff --git a/tsconfig.base.json b/tsconfig.base.json
diff --git a/tsconfig.json b/tsconfig.json
diff --git a/yarn.lock b/yarn.lock

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,7 @@`
`1`	`1`	`{`
`2`	`2`	`"extends": "../../tsconfig.base.json",`
`3`	`3`	`"compilerOptions": {`
	`4`	`+ "noUnusedLocals": false,`
`4`	`5`	`"outDir": "../../dist/packages/ajv-validator",`
`5`	`6`	`"types": ["vitest/globals"]`
`6`	`7`	`},`
Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,8 @@`
`1`	`1`	`{`
`2`	`2`	`"extends": "../../tsconfig.base.json",`
`3`	`3`	`"compilerOptions": {`
	`4`	`+ "noUncheckedIndexedAccess": false,`
	`5`	`+ "noUnusedLocals": false,`
`4`	`6`	`"outDir": "../../dist/packages/arktype-validator",`
`5`	`7`	`"types": ["vitest/globals"]`
`6`	`8`	`},`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,7 @@`
`1`	`1`	`{`
`2`	`2`	`"extends": "../../tsconfig.build.json",`
`3`		`- "compilerOptions": {},`
	`3`	`+ "compilerOptions": {`
	`4`	`+ "exactOptionalPropertyTypes": false`
	`5`	`+ },`
`4`	`6`	`"references": []`
`5`	`7`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,8 @@`
`1`	`1`	`{`
`2`	`2`	`"extends": "../../tsconfig.build.json",`
`3`		`- "compilerOptions": {},`
	`3`	`+ "compilerOptions": {`
	`4`	`+ "noImplicitReturns": false,`
	`5`	`+ "noUncheckedIndexedAccess": false`
	`6`	`+ },`
`4`	`7`	`"references": []`
`5`	`8`	`}`