Legacy Target Helper

v1.0.0

Generate Babel / SWC config for legacy targets (IE11, old Safari, KaiOS) without overshooting.

Target browsers

Build tool

Legacy Build Config

// babel.config.json
{
  "presets": [
    [
      "@babel/preset-env",
      {
        "targets": "last 2 versions, not dead",
        "useBuiltIns": "usage",
        "corejs": 3
      }
    ]
  ]
}

// .browserslistrc
last 2 versions, not dead