prepare test apparatus

.gitignore

@@ -2,3 +2,4 @@
 *.swp
 node_modules
 /dist
+/jotai

__tests__/atomEffect.test.tsx

@@ -1,7 +1,7 @@
 import React, { useEffect } from 'react'
 import { act, render, renderHook, waitFor } from '@testing-library/react'
 import { Provider, useAtom, useAtomValue, useSetAtom } from 'jotai/react'
-import { type Atom, atom, createStore, getDefaultStore } from 'jotai/vanilla'
+import { atom, createStore, getDefaultStore } from 'jotai/vanilla'
 import { atomEffect } from '../src/atomEffect'
 import {
   ErrorBoundary,
@@ -11,8 +11,6 @@ import {
   incrementLetter,
 } from './test-utils'
 
-type AnyAtom = Atom<any>
-
 it('should run the effect on vanilla store', async () => {
   const store = getDefaultStore()
   const countAtom = atom(0)
@@ -325,12 +323,10 @@ it('should allow asynchronous recursion with microtask delay with set.recurse',
   let runCount = 0
   const watchedAtom = atom(0)
   watchedAtom.debugLabel = 'watchedAtom' // remove
-  let done = false
   const effectAtom = atomEffect((get, { recurse }) => {
     const value = get(watchedAtom)
     runCount++
     if (value >= 3) {
-      done = true
       return
     }
     Promise.resolve().then(() => {
@@ -339,8 +335,6 @@ it('should allow asynchronous recursion with microtask delay with set.recurse',
   })
   const store = getDefaultStore()
   store.sub(effectAtom, () => void 0)
-  // await waitFor(() => assert(done))
-  done
   await delay(500)
   expect(store.get(watchedAtom)).toBe(3)
   expect(runCount).toBe(4)
@@ -865,13 +859,8 @@ it('should not infinite loop with nested atomEffects', async () => {
 
   await waitFor(() => assert(!!metrics.runCount1))
 
-  function dev_get_mounted_atoms() {
-    if ('dev_get_mounted_atoms' in store) {
-      return (store.dev_get_mounted_atoms as () => IterableIterator<AnyAtom>)()
-    }
-    return []
-  }
-  const atomSet = new Set(dev_get_mounted_atoms())
+  if (!('dev4_get_mounted_atoms' in store)) return
+  const atomSet = new Set(store.dev4_get_mounted_atoms())
   expect({
     countAtom: atomSet.has(countAtom),
     effectAtom: atomSet.has(effectAtom),

__tests__/test-utils.ts

@@ -20,6 +20,37 @@ export function assert(value: boolean, message?: string): asserts value {
   }
 }
 
+export function waitFor(
+  condition: () => boolean,
+  options?: { interval?: number; timeout?: number }
+): Promise<void>
+export function waitFor(
+  condition: () => void,
+  options?: { interval?: number; timeout?: number }
+): Promise<void>
+export function waitFor(
+  condition: () => boolean | void,
+  { interval = 10, timeout = 1000 } = {}
+) {
+  return new Promise<void>((resolve, reject) => {
+    const intervalId = setInterval(() => {
+      try {
+        if (condition() !== false) {
+          clearInterval(intervalId)
+          clearTimeout(timeoutId)
+          resolve()
+        }
+      } catch {
+        // ignore
+      }
+    }, interval)
+    const timeoutId = setTimeout(() => {
+      clearInterval(intervalId)
+      reject(new Error('timeout'))
+    }, timeout)
+  })
+}
+
 type ErrorBoundaryState = {
   hasError: boolean
 }

package.json

@@ -39,7 +39,15 @@
     "preset": "ts-jest/presets/js-with-ts",
     "testMatch": [
       "**/__tests__/**/*.test.ts?(x)"
-    ]
+    ],
+    "transform": {
+      "^.+\\.tsx?$": [
+        "ts-jest",
+        {
+          "tsconfig": "tsconfig.test.json"
+        }
+      ]
+    }
   },
   "keywords": [
     "jotai",
@@ -54,8 +62,8 @@
     "@types/node": "^20.8.3",
     "@types/react": "^18.2.25",
     "@types/react-dom": "^18.2.11",
-    "@typescript-eslint/eslint-plugin": "^6.7.4",
-    "@typescript-eslint/parser": "^6.7.4",
+    "@typescript-eslint/eslint-plugin": "^8.2.0",
+    "@typescript-eslint/parser": "^8.2.0",
     "eslint": "^8.51.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-import-resolver-alias": "^1.1.2",
@@ -67,7 +75,7 @@
     "html-webpack-plugin": "^5.5.3",
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
-    "jotai": "2.6.3",
+    "jotai": "2.9.3",
     "microbundle": "^0.15.1",
     "npm-run-all": "^4.1.5",
     "prettier": "^3.0.3",
@@ -76,12 +84,12 @@
     "react-error-boundary": "^4.0.11",
     "ts-jest": "^29.1.1",
     "ts-loader": "^9.4.4",
-    "typescript": "^5.2.2",
+    "typescript": "5.5.4",
     "webpack": "^5.88.2",
     "webpack-cli": "^5.1.4",
     "webpack-dev-server": "^4.15.1"
   },
   "peerDependencies": {
-    "jotai": ">=2.5.0 <2.9.0"
+    "jotai": ">=2.5.0"
   }
 }