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- settings.json
- index.mjs
- - bug.yml
  - config.yml
  - documentation.yaml
  - feature.yml
  - question.yml
- - check-changelog.yml
  - close-stale.yml
  - issues.yml
  - lock.yml
  - nightly.yml
  - nodejs.yml
  - pkg-pr-new.yml
  - prepare-cache.yml
  - require-changelog.yml
  - test-nightly.yml
  - test.yml
- copilot-instructions.md
- FUNDING.yml
- ISSUE_TEMPLATE.md
- PULL_REQUEST_TEMPLATE.md
- renovate.json
- SUPPORT.md
- extensions.json
- launch.json
- settings.json
- tasks.json
- - @types-mdx-npm-2.0.14-ebb2ecb0d6.patch
  - lru-cache-npm-10.4.3-30c10b861a.patch
  - ts-node-npm-10.9.1-6c268be7f4.patch
- - yarn-4.18.0.cjs
- - .gitignore
  - 0.test.js
  - package.json
  - prepare.sh
  - README.md
  - yarn.lock
- _TypeScriptExamplesNote.md
- Architecture.md
- BypassingModuleMocks.md
- CLI.md
- CodeTransformation.md
- Configuration.md
- DynamoDB.md
- ECMAScriptModules.md
- EnvironmentVariables.md
- Es6ClassMocks.md
- ExpectAPI.md
- GettingStarted.md
- GlobalAPI.md
- JestCommunity.md
- JestObjectAPI.md
- JestPlatform.md
- ManualMocks.md
- MigrationGuide.md
- MockFunctionAPI.md
- MockFunctions.md
- MongoDB.md
- MoreResources.md
- Puppeteer.md
- SetupAndTeardown.md
- SnapshotTesting.md
- TestEnvironment.md
- TestingAsyncCode.md
- TestingFrameworks.md
- TimerMocks.md
- Troubleshooting.md
- TutorialAsync.md
- TutorialjQuery.md
- TutorialReactNative.md
- UpgradingToJest29.md
- UpgradingToJest30.md
- UsingMatchers.md
- WatchPlugins.md
- Webpack.md
- - asyncAndCallback.test.ts
  - asyncRegenerator.test.ts
  - autoClearMocks.test.ts
  - autoResetMocks.test.ts
  - autoRestoreMocks.test.ts
  - babelPluginJestHoist.test.ts
  - badSourceMap.test.ts
  - beforeAllFiltered.ts
  - beforeEachQueue.ts
  - bigint.test.ts
  - browserResolve.ts
  - callDoneTwice.test.ts
  - chaiAssertionLibrary.ts
  - circularRefInBuiltInObj.test.ts
  - circusConcurrent.test.ts
  - circusConcurrentEach.test.ts
  - circusDeclarationErrors.test.ts
  - clearCache.test.ts
  - clearFSAndTransformCache.test.ts
  - cliHandlesExactFilenames.test.ts
  - collectTests.test.ts
  - compareDomNodes.test.ts
  - complexItemsInErrors.ts
  - config.test.ts
  - configOverride.test.ts
  - console.test.ts
  - consoleAfterTeardown.test.ts
  - consoleDebugging.test.ts
  - consoleLogOutputWhenRunInBand.test.ts
  - coverageHandlebars.test.ts
  - coverageProviderV8.test.ts
  - coverageRemapping.test.ts
  - coverageReport.test.ts
  - coverageThreshold.test.ts
  - coverageTransformInstrumented.test.ts
  - coverageWithoutTransform.test.ts
  - crawlSymlinks.test.ts
  - createProcessObject.test.ts
  - custom-jsdom-version.test.ts
  - customEsmTestSequencers.test.ts
  - customHaste.test.ts
  - customInlineSnapshotMatchers.test.ts
  - customMatcherStackTrace.test.ts
  - customReporters.test.ts
  - customReportersOnCircus.test.ts
  - customResolver.test.ts
  - customResolverEsm.test.ts
  - customTestSequencers.test.ts
  - debug.test.ts
  - declarationErrors.test.ts
  - dependencyClash.test.ts
  - detectLeaksSourceMaps.test.ts
  - detectOpenHandles.ts
  - domDiffing.test.ts
  - doneInHooks.test.ts
  - dynamicRequireDependencies.ts
  - each.test.ts
  - emptyDescribeWithHooks.test.ts
  - emptySuiteError.test.ts
  - env.test.ts
  - environmentAfterTeardown.test.ts
  - environmentAfterTeardownJasmine.test.ts
  - environmentTeardownError.test.ts
  - errorOnDeprecated.test.ts
  - esmConfigFile.test.ts
  - executeTestsOnceInMpr.ts
  - existentRoots.test.ts
  - expectAsyncMatcher.test.ts
  - expectInVm.test.ts
  - explicitResourceManagement.test.ts
  - failureDetailsProperty.test.ts
  - failures.test.ts
  - fakePromises.test.ts
  - fakeTimers.test.ts
  - fakeTimersLegacy.test.ts
  - fakeTimersTemporal.test.ts
  - fatalWorkerError.test.ts
  - filter.test.ts
  - findRelatedFiles.test.ts
  - focusedTests.test.ts
  - forceExit.test.ts
  - generatorMock.test.ts
  - global-mutation.test.ts
  - global.test.ts
  - globals.test.ts
  - globalSetup.test.ts
  - globalTeardown.test.ts
  - hasteMapMockChanged.test.ts
  - hasteMapSha1.test.ts
  - hasteMapSize.test.ts
  - importAfterTeardown.test.ts
  - importedGlobals.test.ts
  - injectGlobals.test.ts
  - isolateModules.test.ts
  - isolateModulesAsync.test.ts
  - isolateModulesCjsEsm.test.ts
  - iterator-to-null-test.ts
  - jasmineAsync.test.ts
  - jasmineAsyncWithPendingDuringTest.ts
  - jest.config.js.test.ts
  - jest.config.ts.test.ts
  - jestAssertionErrorImport.test.ts
  - jestChangedFiles.test.ts
  - jestEnvironmentJsdom.test.ts
  - jestObject.test.ts
  - jestRequireActual.test.ts
  - jestRequireMock.test.ts
  - json.test.ts
  - jsonReporter.test.ts
  - lifecycles.ts
  - listTests.test.ts
  - localStorage.test.ts
  - locationInResults.test.ts
  - logHeapUsage.test.ts
  - mockFunctions.test.ts
  - mockNames.test.ts
  - moduleNameMapper.test.ts
  - moduleParentNullInTest.ts
  - multipleConfigs.ts
  - multiProjectRunner.test.ts
  - nativeAsyncMock.test.ts
  - nativeEsm.test.ts
  - nativeEsmCjsRequire.test.ts
  - nativeEsmJsEsmSyntaxFallback.test.ts
  - nativeEsmRequireModule.test.ts
  - nativeEsmSyncLinker.test.ts
  - nativeEsmTypescript.test.ts
  - nestedEventLoop.test.ts
  - nestedTestDefinitions.test.ts
  - nodePath.test.ts
  - nodeURLManualMocks.test.js
  - nonSerializableStructuresInequality.test.ts
  - noTestFound.test.ts
  - noTestsFound.test.ts
  - onlyChanged.test.ts
  - onlyFailuresNonWatch.test.ts
  - overrideGlobals.test.ts
  - pnp.test.ts
  - presets.test.ts
  - processExit.test.ts
  - promiseAsyncHandling.test.ts
  - promiseReject.test.ts
  - randomize.test.ts
  - readInitialOptions.test.ts
  - regexCharInPath.test.ts
  - requireAfterTeardown.test.ts
  - requireAfterTeardownJasmine.test.ts
  - requireMain.test.ts
  - requireMainAfterCreateRequire.test.ts
  - requireMainIsolateModules.test.ts
  - requireMainResetModules.test.ts
  - requireMissingExt.test.ts
  - requireV8Module.test.ts
  - resetModules.test.ts
  - resolve.test.ts
  - resolveAsync.test.ts
  - resolveConditions.test.ts
  - resolveGetPaths.test.ts
  - resolveNodeModule.test.ts
  - resolveNoFileExtensions.test.ts
  - resolveWithPaths.test.ts
  - retainAllFiles.test.ts
  - runnerOptions.test.ts
  - runProgrammatically.test.ts
  - runProgrammaticallyMultipleProjects.test.ts
  - runTestsByPath.test.ts
  - runtimeInternalModuleRegistry.test.ts
  - sandboxInjectedGlobals.test.ts
  - selectProjects.test.ts
  - setupFiles.test.ts
  - setupFilesAfterEnvConfig.test.ts
  - shard.test.ts
  - showConfig.test.ts
  - showSeed.test.ts
  - skipBeforeAfterAll.test.ts
  - snapshot-concurrent.test.ts
  - snapshot-crlf.test.ts
  - snapshot-unknown.test.ts
  - snapshot.test.ts
  - snapshotMockFs.test.ts
  - snapshotResolver.test.ts
  - snapshotSerializers.test.ts
  - sourceMapNotTransformed.test.ts
  - stackTrace.test.ts
  - stackTraceNoCaptureStackTrace.test.ts
  - stackTraceSourceMaps.test.ts
  - stackTraceSourceMapsWithCoverage.test.ts
  - summaryThreshold.test.ts
  - supportsDashedArgs.ts
  - symbol.test.ts
  - testEnvironment.test.ts
  - testEnvironmentAsync.test.ts
  - testEnvironmentCircus.test.ts
  - testEnvironmentCircusAsync.test.ts
  - testEnvironmentEsm.ts
  - testEnvironmentRunScript.test.ts
  - testFailing.test.ts
  - testFailingJasmine.test.ts
  - testFailingSnapshot.test.js
  - testFailureExitCode.test.ts
  - testInRoot.test.ts
  - testMatch.test.ts
  - testMatchDefault.test.ts
  - testMatchTs.test.ts
  - testNamePattern.test.ts
  - testNamePatternSkipped.test.ts
  - testPathPatternReporterMessage.test.ts
  - testPathPatternsSubprojects.test.ts
  - testResultsProcessor.test.ts
  - testRetries.test.ts
  - testTodo.test.ts
  - timeouts.test.ts
  - timeoutsLegacy.test.ts
  - toMatchInlineSnapshot.test.ts
  - toMatchInlineSnapshotCrlf.test.ts
  - toMatchInlineSnapshotWithJSX.test.ts
  - toMatchInlineSnapshotWithPretttier3.test.ts
  - toMatchInlineSnapshotWithRetries.test.ts
  - toMatchSnapshot.test.ts
  - toMatchSnapshotWithRetries.test.ts
  - toMatchSnapshotWithStringSerializer.test.ts
  - toThrowErrorMatchingInlineSnapshot.test.ts
  - toThrowErrorMatchingSnapshot.test.ts
  - transform.test.ts
  - transformLinkedModules.test.ts
  - tsIntegration.test.ts
  - typescriptConfigFile.test.ts
  - typescriptCoverage.test.ts
  - unexpectedToken.test.ts
  - useStderr.test.ts
  - verbose.test.ts
  - version.test.ts
  - virtualMockIsolation.test.ts
  - watch-plugins.test.ts
  - watchModeNoAccess.test.ts
  - watchModeOnlyFailed.test.ts
  - watchModePatterns.test.ts
  - watchModeSymlinks.test.ts
  - watchModeUpdateSnapshot.test.ts
  - watchModeWatchman.test.ts
  - workerForceExit.test.ts
  - workerRestartBeforeSend.test.ts
  - workerRestarting.test.ts
  - wrongEnv.test.ts
- - babel.config.js
  - package.json
  - yarn.lock
- - babel.config.js
  - banana.js
  - entry.ts
  - mockFile.js
  - package.json
  - types.ts
  - yarn.lock
- - package.json
- - package.json
- - package.json
- - package.json
- - package.json
- - package.json
  - resolver.js
  - yarn.lock
- - package.json
- - package.json
  - yarn.lock
- - package.json
- - package.json
- - package.json
- - package.json
- - package.json
- - package.json
- - different-config.json
  - jest.config.json
  - package.json
- - jest.callback.config.ts
  - jest.config.ts
  - jest.merge-with-callback.config.ts
  - jest.merge-with-define.config.ts
  - jest.merge.config.ts
  - package.json
- - package.json
- - package.json
- - jest.config.js
  - package.json
  - stdout-spy.js
- - package.json
- - package.json
  - yarn.lock
- - greet.hbs
  - package.json
  - transform-handlebars.js
  - yarn.lock
- - covered.ts
  - package.json
  - typescriptPreprocessor.js
  - yarn.lock
- - .gitignore
  - babel.config.js
  - file.js
  - notRequiredInTestSuite.js
  - otherFile.js
  - package.json
  - setup.js
  - sum.js
  - sumDependency.js
  - yarn.lock
- - covered.js
  - package.json
  - preprocessor.js
  - yarn.lock
- - package.json
- - package.json
  - some-random-file.js
- - package.json
  - setup.js
- - a.test.js
  - b.test.js
  - c.test.js
  - d.test.js
  - e.test.js
  - package.json
  - testSequencer.mjs
- - hasteMap.js
  - package.json
- - package.json
- - babel.config.js
  - package.json
- - package.json
- - add.js
  - package.json
- - bar.js
  - foo.js
  - manualMock.js
  - package.json
  - resolver.js
- - bar.js
  - foo.js
  - package.json
  - resolver.mjs
- - a.test.js
  - b.test.js
  - c.test.js
  - d.test.js
  - e.test.js
  - package.json
  - testSequencer.js
  - testSequencerAsync.js
  - testSequencerWithSeed.js
- - package.json
- - babel.config.js
  - interval-code.js
  - package.json
  - server.js
- - package.json
- - package.json
- - dynamicRequire.js
  - package.json
  - source.js
- - package.json
- - package.json
- - package.json
- - package.json
- - package.json
- - EnvironmentWithTeardownError.js
  - package.json
- - package.json
- - package.json
- - babel.config.js
  - matchers.js
  - package.json
  - yarn.lock
- - package.json
- - babel.config.js
  - index.js
  - package.json
  - yarn.lock
- - myreporter.js
  - package.json
- - babel.config.js
  - macros.js
  - package.json
  - yarn.lock
- - package.json
- - my-broken-filter.js
  - my-broken-setup-filter.js
  - my-clowny-filter.js
  - my-filter.js
  - my-secondary-filter.js
  - my-setup-filter.js
  - package.json
- - package.json
- - index.js
  - package.json
- - babel.config.js
  - invalidSetup.js
  - invalidSetupWithNamedExport.js
  - package.json
  - projects.jest.config.js
  - setup.js
  - setupWithConfig.js
  - setupWithDefaultExport.js
  - yarn.lock
- - index.js
  - package.json
  - setup.js
  - transformer.js
- - index.js
  - package.json
  - setup.js
- - .gitignore
  - babel.config.js
  - package.json
  - setup.js
- - babel.config.js
  - invalidTeardown.js
  - invalidTeardownWithNamedExport.js
  - package.json
  - projects.jest.config.js
  - teardown.js
  - teardownWithConfig.js
  - teardownWithDefaultExport.js
  - yarn.lock
- - index.js
  - package.json
  - teardown.js
- - double.mjs
  - package.json
- - babel.config.js
  - package.json
- - main.js
  - package.json
- - module.cjs
  - package.json
- - package.json
- - package.json
- - package.json
  - randomize-config.json
  - showSeed-config.json
- - package.json
  - sum.js
- - index.js
  - package.json
- - package.json
- - package.json
- - package.json
- - package.json
- - data.json
  - index.js
  - package.json
- - index.js
  - package.json
  - style.css
  - style.sass
- - index.js
  - package.json
- - package.json
- - index.js
  - package.json
  - style.css
- - index.js
  - package.json
  - style.css
- - package.json
- - package.json
- - package.json
- - jest.config.js
  - jest.config.json
  - package.json
- - Native.js
  - package.json
- - add.wasm
  - anotherDynamicImport.js
  - circularDependentA.mjs
  - circularDependentB.mjs
  - commonjs.cjs
  - commonjsNamed.cjs
  - coreReexport.js
  - deepReexport.js
  - dynamicImport.js
  - fromCjs.mjs
  - fromEsm.cjs
  - fsReexport.js
  - index.js
  - namedExport.cjs
  - namespaceExport.js
  - package.json
  - reexport.js
  - stateful.cjs
  - stateful.mjs
  - staticDataImport.js
  - virtualMockReexport.mjs
  - yarn.lock
- - babel-style-default.cjs
  - fn-exports.cjs
  - importer-a.mjs
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  - package.json
  - plain-cjs.cjs
  - singleton-state.cjs
- - package.json
- - .gitignore
  - esm-with-tla.mjs
  - esm.mjs
  - fake-esm-js.js
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- - a.mjs
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- - babel.config.js
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  - test2mapper.native.js
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  - Test5.js
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- - package.json
  - resolver.cjs
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  - utils.js
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  - Link.js
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  - infiniteTimerGame.js
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  - Memory.ts
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  - README.md
  - tsconfig.json
- - .npmignore
  - CLAUDE.md
  - package.json
  - tsconfig.json
- - .npmignore
  - package.json
  - tsconfig.json
- - .npmignore
  - package.json
  - README.md
  - tsconfig.json
- - .npmignore
  - package.json
  - README.md
  - tsconfig.json
- - .npmignore
  - package.json
  - README.md
  - tsconfig.json
- - .npmignore
.claudeignore
.codecov.yml
.editorconfig
.gitattributes
.gitignore
.gitpod.yml
.prettierignore
.watchmanconfig
.yarnrc.yml
babel.config.js
CHANGELOG.md
CHANGELOG_PRE_v30.md
CLAUDE.md
CODE_OF_CONDUCT.md
CONTRIBUTING.md
crowdin.yaml
eslint.config.mjs
GOVERNANCE.md
jest
jest.config.ci.mjs
jest.config.mjs
jest.config.ts.mjs
lerna.json
LICENSE
netlify.toml
package.json
PROJECT_CHARTER.md
README.md
SECURITY.md

# 설치 가이드

1. 코드 내려받기

git clone https://github.com/jestjs/jest

깃허브에서 프로젝트 코드 전체를 내 컴퓨터로 내려받습니다.

cd jest

방금 내려받은 프로젝트 폴더 안으로 이동합니다.

2. Node.js

쉬움 추천

사전 준비물

Git GitHub에서 프로젝트 코드를 내려받으려면 필요합니다.
Node.js npm 명령어를 쓰려면 Node.js가 설치되어 있어야 합니다. LTS(장기지원) 버전을 추천합니다.

yarn add --dev jest

이 명령어를 터미널에 그대로 입력해 실행하세요.

npm install --save-dev jest

package.json에 명시된 라이브러리들을 내려받아 설치합니다.

yarn create jest

이 명령어를 터미널에 그대로 입력해 실행하세요.

yarn add --dev babel-jest @babel/core @babel/preset-env

이 명령어를 터미널에 그대로 입력해 실행하세요.

yarn add --dev @babel/preset-typescript

이 명령어를 터미널에 그대로 입력해 실행하세요.

✅ 명령어 실행 후 터미널에 나타나는 주소(보통 http://localhost:3000 형태)를 브라우저에서 열어보세요.

이 레포의 README에 적힌 실제 명령어를 그대로 가져왔습니다.

// repository documentation

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jest

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# 설치 가이드

2. Node.js

오늘의 추천 프로젝트

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jest

파일 탐색기

# 설치 가이드

2. Node.js

오늘의 추천 프로젝트

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