Related Products
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About
JavaScript test coverage made simple. Istanbul instruments your ES5 and ES2015+ JavaScript code with line counters, so that you can track how well your unit-tests exercise your codebase. The nyc command-line-client for Istanbul works well with most JavaScript testing frameworks, tap, mocha, AVA, etc. First-class support of ES6/ES2015+ using babel-plugin-Istanbul. Support for the most popular JavaScript testing frameworks. Support for instrumenting subprocesses, using the nyc command-line interface. Adding coverage to your mocha tests could not be easier. Now, simply place the command nyc in front of your existing test command. nyc's instrument command can be used to instrument source files outside of the context of your unit tests. nyc is able to show you all Node processes that are spawned when running a test script under it. By default, nyc uses Istanbul's text reporter. However, you may specify an alternative reporter.
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About
Vitest is a next-generation testing framework powered by Vite, designed to make testing fast, lightweight, and closely integrated with modern JavaScript development. Because it builds on Vite, Vitest understands existing Vite configuration and can reuse the same resolve and transform pipelines used by an application during development and builds. It can also be used without Vite and works for backend code as well. Vitest provides a Jest-compatible API, including expect assertions, snapshots, mocking, and coverage, making migration from Jest straightforward for many projects. Its smart watch mode reruns only tests related to changed files, using an experience similar to Vite’s instant Hot Module Replacement. Vitest supports ESM, TypeScript, and JSX out of the box, reducing the need for separate transformation configuration.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Users in need of a tool to track how well their unit-tests exercise their codebase
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Audience
Developers seeking to run fast unit tests with Vite-native tooling, Jest-compatible APIs, and integrated modern web development workflows
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationIstanbul
United States
istanbul.js.org
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Company InformationVitest
United States
vitest.dev/
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
JavaScript
Supported
TypeScript
Supported
Chromatic
Not Supported
DeepCover
Supported
HTML
Supported
Jest
Supported
Mocha
Supported
UI Verify
Not Supported
Vercel
Not Supported
Vite
Not Supported
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Integrations
JavaScript
Supported
TypeScript
Supported
Chromatic
Supported
DeepCover
Not Supported
HTML
Not Supported
Jest
Not Supported
Mocha
Not Supported
UI Verify
Supported
Vercel
Supported
Vite
Supported
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