By
Istanbul
IstanbulIstanbul
Code CoverageWhat is Istanbul?
It is a JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale.
Istanbul is a tool in the Code Coverage category of a tech stack.
Key Features
All-javascript instrumentation library that tracks statement, branch, and function coverageModule loader hooks to instrument code on the flyCommand line tools to run node unit tests "with coverage turned on" and no cooperation whatsoever from the test runnerMultiple report formats: HTML, LCOV, Cobertura and moreAbility to use as middleware when serving JS files that need to be tested on the browserCan be used on the command line as well as a libraryBased on the awesome esprima parser and the equally awesome escodegen code generatorWell-tested on node (prev, current and next versions) and the browser (instrumentation library only)
Istanbul Pros & Cons
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Istanbul Alternatives & Comparisons
What are some alternatives to Istanbul?
Codecov
Our patrons rave about our elegant coverage reports, integrated pull request comments, interactive commit graphs, our Chrome plugin and security.
Coveralls
Coveralls works with your CI server and sifts through your coverage data to find issues you didn't even know you had before they become a problem. Free for open source, pro accounts for private repos, instant sign up with GitHub OAuth.
uberalls
Code coverage metric storage service. Provide coverage metrics on differentials with Phabricator and Jenkins, just like Coveralls does for GitHub and TravisCI.
