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Nyc Alternatives
Similar projects and alternatives to nyc
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Playwright
Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
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lerna
Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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javascript-algorithms
📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings
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why-did-you-render
why-did-you-render by Welldone Software monkey patches React to notify you about potentially avoidable re-renders. (Works with React Native as well.)
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istanbul
Discontinued Yet another 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.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better nyc alternative or higher similarity.
nyc discussion
nyc reviews and mentions
Posts with mentions or reviews of nyc.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-01-13.
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Custom Angular and Karma Test Extension for VS Code
We usually run Angular tests through the cli ng test which picks the default config from /node_modules/@angular-devkit/build-angular/src/webpack/plugins/karma/karma.js, runs the tests in the project/workspace context, shows the execution log in the terminal and generates coverage using istanbul.js based on custom config we defined.
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Collecting JavaScript code coverage with Capybara in Ruby on Rails application
At the next stage, they are merged into one JSON file. For this purpose, we use nyc (Istanbul’s command line interface).
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Migrating from Jest to Vitest for your React Application
Native code coverage via v8 or istanbul.
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Testing Vue components the right way
Writing tests is essential, and knowing whether you test all the required cases for your logic is even more critical. The most common testing coverage tool is Istanbul, where you can see how well your tests exercise your code by lines, functions, and branches. Below is an example of how the test coverage report looks in your terminal:
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Don't target 100% coverage
Here is a quote from istanbul, one of the most used code coverage tool:
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Unit testing like a Hacker
Unit testing framework was already implemented, using Vitest so I started hacking by setting up a coverage provider to explicitly identify the covered/uncovered lines and mentioned this to the maintainer in the comments. I used Istanbul 🇹🇷 for this purpose.
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Auto-Publish Your Test Coverage Report on GitHub Pages
Your project probably has a coverage report. If you’re using Jest as your unit test runner, generating a coverage report is embedded in it. It is done with Istanbul under the hood, which generates a nice HTML page presenting the entire project unit test coverage.
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Dear Linux, Privileged Ports Must Die
> This is a rant written by someone with just enough understanding to be dangerous, but not quite enough wisdom to know why things are still the way they are. Most of the complaints raised are subtly inaccurate.
Author seems aware of CAP_NET_BIND_SERVICE: https://source.small-tech.org/site.js/app/-/issues/169 and https://github.com/istanbuljs/nyc/issues/1281 – the "side effects" are NodeJS explicitly checking for it, so that's a NodeJS thing and not a Linux thing.
Yet curiously it's completely unmentioned in this article, in spite that this is probably what started the author's dislike of privileged ports. I guess it was inconvenient as it got in the way of angrily ranting.
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Comprehensive coverage Jest+Playwright in Next.js TS
This approach will create two json coverage files, which will be merged together by NYC. Therefore the results will be purely local. If You don't mind using online tools like Codecov or Coveralls for merging data from different tests, then go ahead and use them. They will probably also be more accurate. But if You still want to learn how to get coverage from E2E, then please read through
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When developing in React, what do you find most frustrating or cumbersome?
https://istanbul.js.org/ measures how much of your code is covered by tests
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A note from our sponsor - CodeRabbit
coderabbit.ai | 17 Mar 2025
Stats
Basic nyc repo stats
18
5,654
5.6
3 months ago
istanbuljs/nyc is an open source project licensed under ISC License which is an OSI approved license.
The primary programming language of nyc is JavaScript.
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