babel-preset-techno-babel

Adds stable future js operators and a little scala.js for terse functional programming

Usage no npm install needed!

<script type="module">
  import babelPresetTechnoBabel from 'https://cdn.skypack.dev/babel-preset-techno-babel';
</script>

README

babel-preset-techno-babel

babel needs more babble.

New operators

  • |> - pipeline

    • compose function calls left to right instead of right to left
    • array |> sortBy(_.name) |> partitionBy(_.age)

  • ?? - nullish coalescing

    • stricter maybe || 'default'
    • maybe ?? 'default'

  • ?. - optional chaining

    • only access properties if the receiver is defined
    • user?.address?.state

Logical assignment operators

  • ||=
  • &&=
  • ??=

New blocks

  • do
    • evaluates a block as an expressions
    • keeps your scopes isolated - let statements don't leak

Misc

  • export default from
    • export Footer from './Footer'
  • numeric literal separator
    • 9_000_000