Roadmap

This page outlines specific features and fixes that are scheduled or planned. It is our goal to outline changes we want to focus on for the mid- to long term. In this roadmap we focus on Stryker (for TypeScript and JavaScript) specifically.

High-level

At a high-level, we're focusing on the following goals:

👽 Mutation testing for every JS developer.
🕹 Usability and UX.
⏩ Ensuring the best performance possible.
🔌 Plugin support
👨‍🏭 Lowering maintenance

Features

As for the how, see the list of features we want to implement

• #2103 Improve validation on Stryker options
• #1514 Investigate performance improvement: mutation switching
• #1893 Unify JavaScript & TypeScript mutators
• #2104 Coverage analysis based on mutants
• #1472 Exclude specific mutations
• #2316 Jest coverage analysis
• #2163 In place mutation
• #2413 Hot reload for Mocha
• #3496 Implement mutant grouping in the @stryker-mutator/typescript-checker
• #2753 Support --incremental mode
• #3465 Support vitest
• #325 Support node-tap
• #3229 Ignore mutants based on heuristics
• #4092 Real-time reporting
• #2855 Support Svelte
• #4463 Mutant filters
• #4489 Support for Web Test Runner