Fix ts type generation

.github/workflows/test.yml

@@ -41,6 +41,7 @@ jobs:
       - run: pnpm types:check
       - run: pnpm lint
       - run: pnpm build
+      - run: pnpm test-typing
       - run: pnpm test
         env:
           CI: true

.gitignore

@@ -10,7 +10,8 @@ dist
 .eslintcache
 examples/**/yarn.lock
 package-lock.json
-tsconfig.tsbuildinfo
+*/**/*.tsbuildinfo
 coverage
 */**/.turbo
 .turbo
+.rollup.cache

core/use-swr.ts

@@ -21,7 +21,9 @@ import {
   subscribeCallback,
   getTimestamp,
   internalMutate,
-  revalidateEvents,
+  revalidateEvents
+} from 'swr/_internal'
+import type {
   State,
   Fetcher,
   Key,

immutable/index.ts

@@ -1,4 +1,5 @@
-import useSWR, { Middleware } from 'swr'
+import type { Middleware } from 'swr'
+import useSWR from 'swr'
 import { withMiddleware } from 'swr/_internal'
 
 export const immutable: Middleware = useSWRNext => (key, fetcher, config) => {

infinite/index.ts

@@ -9,16 +9,17 @@ import {
   isFunction,
   UNDEFINED,
   createCacheHelper,
+  useIsomorphicLayoutEffect,
+  serialize,
+  withMiddleware
+} from 'swr/_internal'
+import type {
+  BareFetcher,
   SWRHook,
   MutatorCallback,
   Middleware,
-  BareFetcher,
-  useIsomorphicLayoutEffect,
-  serialize,
-  withMiddleware,
   MutatorOptions
 } from 'swr/_internal'
-
 import type {
   SWRInfiniteConfiguration,
   SWRInfiniteResponse,

mutation/index.ts

@@ -10,7 +10,7 @@ import {
   Middleware,
   Key
 } from 'swr/_internal'
-import {
+import type {
   SWRMutationConfiguration,
   SWRMutationResponse,
   SWRMutationHook,

package.json

@@ -86,7 +86,8 @@
     "lint": "eslint . --ext .ts,.tsx --cache",
     "lint:fix": "pnpm lint --fix",
     "coverage": "jest --coverage",
-    "test": "tsc --noEmit -p test && jest"
+    "test-typing": "tsc --noEmit -p test/type/tsconfig.json && tsc --noEmit -p test/tsconfig.json",
+    "test": "jest"
   },
   "husky": {
     "hooks": {

test/tsconfig.json

@@ -6,5 +6,5 @@
   },
   "include": [".", "./jest-setup.ts"],
   // This file need "strict": true
-  "exclude": ["./type/mutator.ts"]
+  "exclude": ["./type"]
 }

test/type/config.tsx

@@ -13,12 +13,18 @@ export function useTestCache() {
 }
 
 export function useCustomSWRConfig() {
+  const noNull = [
+    // @ts-expect-error
+    <SWRConfig key={'null'} value={null} />,
+    // @ts-expect-error
+    <SWRConfig key={'callback-return-null'} value={() => null} />
+  ]
+
   return (
     <>
-      <SWRConfig value={null} />
+      {noNull}
       <SWRConfig value={undefined} />
       <SWRConfig value={() => ({})} />
-      <SWRConfig value={() => null} />
 
       <SWRConfig
         // @ts-expect-error