jest-codemods
Codemods for migrating JavaScript and TypeScript test files from various frameworks to Jest.
What is jest-codemods?
jest-codemods is a tool that provides automated code transformations to migrate JavaScript and TypeScript test suites from multiple testing frameworks to Jest. It simplifies the adoption of Jest by handling syntax and API differences, reducing manual effort and enabling teams to try Jest on existing codebases. The tool uses codemods, which are small programs for automated code changes, to make migration as smooth as possible.
Developers and teams with existing test suites in frameworks like AVA, Chai, Jasmine, Mocha, Tape, or Sinon who want to migrate to Jest. It is particularly useful for those managing large codebases where manual migration would be time-consuming.
Developers choose jest-codemods because it supports a wide range of testing frameworks (including AVA, Chai, Jasmine, Mocha, Tape, and Sinon) and offers both an interactive CLI for ease of use and jscodeshift integration for advanced customization. Its ability to preserve code style and detect imports automatically reduces errors and manual tweaks during migration.
Overview
Codemods for migrating to Jest https://github.com/facebook/jest 👾
Use Cases
Best For
- Migrating large test suites from Mocha or Jasmine to Jest with minimal manual intervention.
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