{"library":"babel-plugin-tester","type":"library","category":null,"description":"Utilities for writing tests for Babel plugins and presets. Version 12.0.0 is current. The library supports Jest, Mocha, Jasmine, node:test, and Vitest. Key differentiators: automatic fixture file loading, built-in prettier formatting, snapshot-based testing, environment variable filtering (TEST_ONLY, TEST_SKIP), and async ResultFormatter. Breaking changes in v12 include dropping default exports, requiring Node.js >=20.18.0, and adopting prettier@3's async interface. Peer dependency on @babel/core >=7.22.0.","language":"javascript","status":"active","version":"12.0.0","tags":["javascript","babel","plugin","tester"],"last_verified":"Wed May 27","install":[{"cmd":"npm install babel-plugin-tester","imports":["import { pluginTester } from 'babel-plugin-tester'","import { prettierFormatter } from 'babel-plugin-tester'","const { pluginTester } = require('babel-plugin-tester')"]},{"cmd":"yarn add babel-plugin-tester","imports":[]},{"cmd":"pnpm add babel-plugin-tester","imports":[]}],"homepage":null,"github":"https://github.com/babel-utils/babel-plugin-tester","docs":null,"changelog":null,"pypi":null,"npm":"https://www.npmjs.com/package/babel-plugin-tester","openapi_spec":null,"status_page":null,"smithery":null,"compatibility":{"summary":{"python_range":"18–22","success_rate":0,"avg_install_s":null,"avg_import_s":null,"wheel_type":null},"url":"https://checklist.day/v1/registry/babel-plugin-tester/compatibility"}}