snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)

packages/query-test-utils/eslint.config.js

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+// @ts-check
+
+import rootConfig from './root.eslint.config.js'
+
+export default [...rootConfig]

packages/query-test-utils/package.json

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+{
+  "name": "@tanstack/query-test-utils",
+  "version": "0.0.0",
+  "description": "Internal test utilities for TanStack Query",
+  "author": "Jonghyeon Ko <manudeli.ko@gmail.com>",
+  "private": true,
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/TanStack/query.git",
+    "directory": "packages/query-test-utils"
+  },
+  "homepage": "https://tanstack.com/query",
+  "funding": {
+    "type": "github",
+    "url": "https://github.com/sponsors/tannerlinsley"
+  },
+  "main": "src/index.ts",
+  "types": "src/index.ts",
+  "module": "src/index.ts",
+  "exports": {
+    ".": {
+      "types": "./src/index.ts",
+      "default": "./src/index.ts"
+    },
+    "./package.json": "./package.json"
+  },
+  "scripts": {
+    "clean": "premove ./build ./coverage ./dist-ts ./.cache/test-types",
+    "test:eslint": "eslint --concurrency=auto ./src",
+    "test:types": "npm-run-all --serial test:types:*",
+    "test:types:tscurrent": "tsc --project tsconfig.json --outDir .cache/test-types/tscurrent --tsBuildInfoFile .cache/test-types/tscurrent.tsbuildinfo",
+    "test:types:ts70": "node ../../node_modules/typescript70/lib/tsc.js --project tsconfig.json --outDir .cache/test-types/ts70 --tsBuildInfoFile .cache/test-types/ts70.tsbuildinfo",
+    "test:lib": "vitest",
+    "test:lib:dev": "pnpm run test:lib --watch"
+  },
+  "type": "module",
+  "devDependencies": {
+    "npm-run-all2": "^5.0.0"
+  },
+  "peerDependencies": {
+    "vitest": "^4.0.18"
+  }
+}

packages/query-test-utils/root.eslint.config.js

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+../../eslint.config.js

packages/query-test-utils/src/__test__/queryKey.test.ts

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+import { describe, expect, it } from 'vitest'
+import { queryKey } from '../queryKey'
+
+describe('queryKey', () => {
+  it('should return a query key', () => {
+    const key = queryKey()
+    expect(key).toEqual(['query_1'])
+  })
+  it('should return a new query key each time', () => {
+    expect(queryKey()).not.toEqual(queryKey())
+  })
+})

packages/query-test-utils/src/__test__/sleep.test.ts

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+import { describe, expect, it } from 'vitest'
+import { sleep } from '../sleep'
+
+describe('sleep', () => {
+  it('should sleep for the given amount of time', async () => {
+    const start = Date.now()
+    await sleep(100)
+    const end = Date.now()
+    expect(end - start).toBeGreaterThanOrEqual(100)
+  })
+})

packages/query-test-utils/src/index.ts

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+export { sleep } from './sleep'
+export { queryKey } from './queryKey'
+export { mockVisibilityState } from './mockVisibilityState'

packages/query-test-utils/src/mockVisibilityState.ts

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+import { vi } from 'vitest'
+import type { MockInstance } from 'vitest'
+
+export const mockVisibilityState = (
+  value: DocumentVisibilityState,
+): MockInstance<() => DocumentVisibilityState> =>
+  vi.spyOn(document, 'visibilityState', 'get').mockReturnValue(value)

packages/query-test-utils/src/queryKey.ts

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+let queryKeyCount = 0
+
+export const queryKey = (): Array<string> => {
+  queryKeyCount++
+  return [`query_${queryKeyCount}`]
+}

packages/query-test-utils/src/sleep.ts

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+export const sleep = (ms: number): Promise<void> =>
+  new Promise((resolve) => {
+    setTimeout(resolve, ms)
+  })

packages/query-test-utils/tsconfig.json

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+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist-ts",
+    "rootDir": "."
+  },
+  "include": ["src", "*.config.ts", "*.config.js", "package.json"]
+}

packages/query-test-utils/vite.config.ts

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+import { defineConfig } from 'vitest/config'
+
+import packageJson from './package.json'
+
+export default defineConfig({
+  // fix from https://github.com/vitest-dev/vitest/issues/6992#issuecomment-2509408660
+  resolve: {
+    conditions: ['@tanstack/custom-condition'],
+  },
+  environments: {
+    ssr: {
+      resolve: {
+        conditions: ['@tanstack/custom-condition'],
+      },
+    },
+  },
+  test: {
+    name: packageJson.name,
+    dir: './src',
+    watch: false,
+    coverage: {
+      enabled: !!process.env.CI,
+      provider: 'istanbul',
+      include: ['src/**/*'],
+    },
+    typecheck: { enabled: true },
+    restoreMocks: true,
+  },
+})