babel-preset-focus

Babel preset for Focus, a React component framework by KleeGroup. Current stable version is 1.0.0, released as a major rewrite with breaking changes from v0.x. It handles JSX, modern JavaScript (ES2015+), and Focus-specific optimizations. Differentiators include environment variables to enable legacy support (LEGACY_EXPORTS for CommonJS, LEGACY_LODASH for Lodash 3.x) and removal of the built-in polyfill in favor of webpack-focus. The package has a low release cadence, with only a few releases since 2017.