babel.md

• Plugins vs Presets

plugins-vs-presets

• presets are a collections of plugins. Plugins can be included individually in the plugins array or collection of plugins in the presets array
• presets and plugins evaluation ordering is different:

"plugins": [
  "transform-decorators-legacy", // evaluated first
  "transform-class-properties" // evaluated second
]

"presets": [
  "es2015", // evaluated first
  "react",  // evaluated second
  "stage-2" // evaluated third
]