jest

Delightful JavaScript Testing.
v30.2.0 URL: https://unpkg.com/jest@30.2.0/build/index.js
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avababelcoverageeasyexpectfacebookimmersiveinstantjasminejestjsdommochamockingpainlessqunitrunnersandboxedsnapshottaptapetesttestingtypescriptwatch

@testing-library/jest-dom

Custom jest matchers to test the state of the DOM
v6.9.1 URL: https://unpkg.com/@testing-library/jest-dom@6.9.1/dist/index.js
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testingdomjestjsdom

@jest/core

Delightful JavaScript Testing.
v30.2.0 URL: https://unpkg.com/@jest/core@30.2.0/build/index.js
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avababelcoverageeasyexpectfacebookimmersiveinstantjasminejestjsdommochamockingpainlessqunitrunnersandboxedsnapshottaptapetesttestingtypescriptwatch

jest-cli

Delightful JavaScript Testing.
v30.2.0 URL: https://unpkg.com/jest-cli@30.2.0/build/index.js
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avababelcoverageeasyexpectfacebookimmersiveinstantjasminejestjsdommochamockingpainlessqunitrunnersandboxedsnapshottaptapetesttestingtypescriptwatch

environment

Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc
v1.1.0 URL: https://unpkg.com/environment@1.1.0/index.js
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runtimeenvironmentenvexecutionengineplatformcontextjsjavascriptischeckcheckingdetectdetectionbrowsernodebundenoelectronjsdomwebworkerworkerserviceworkermacosiosiphoneipadwindowslinuxandroidosoperatingsystem