You can exclude parts of the code or entire files from the code coverage report. How to exclude mock files from Code Coverage Istanbul Reporter See Istanbul guide. There may be some sections of your codebase that you wish to purposefully exclude from coverage tracking, to do so you can use the following parsing hints: /* istanbul ignore if */: ignore the next if statement. extended warranty refund calculator istanbul exclude files from coverage. Ignore a Function /* istanbul ignore next */ const f = => { return 'abc' } This will exclude the entire function from code coverage requirements. But its not working. Typing in "istanbul help cover" will show you usage including this. istanbul exclude files from coverage - creativedesignspro.com istanbul exclude files from coverage - bestinclassny.com Use this as the first line of the file. The entire file will be excluded from code coverage. The comment must be on or above the line defining the method so it is not part of the coverage requirement. Sometimes we have a module which exports some functions inside an object. istanbul exclude files from coverage | Posted on May 21, 2022 | Posted on May 21, 2022 | As stated by the maintainers and authors of the istanbul coverage libary: Some branches in JS code are typically hard, if not impossible to test. Examples are a hasOwnProperty check, UMD wrappers and so on. Istanbul now has a facility by which coverage can be excluded for certain sections of code. Typing in "istanbul help cover" will show you usage including this. node.js - node - nyc include - Code Examples I have a large project I'm writing intern tests against, I'm able to generate 90%+ coverage for my own package however coverage is being reported much less than this because other packages (such as dojo, dijit etc) are also being included in the report total. istanbul exclude files from coverage - khiri.com In Angular 5.2, we can exclude the files from Istanbul code coverage report using .angular-cli.json with below code and it works fine. Package - @cypress/code-coverage How do I exclude files from karma code coverage report? Karma coverage reporter exclude files - Alexandra Panayotou