babel-preset-7-esnext

Benefits

• Get ES.Next in a single package
• Configurable transpilation-level: light to Node.js 8.5
• Configurable transpile to CommonJS

Usage

import presetEsNext from 'babel-preset-7-esnext'
import {transform} from '@babel/core'
f("import path from 'path'\nexport {path}").catch(console.error)
async function f(code) {
 console.log(await new Promise((resolve, reject) => transform(code,
  {configFile: false, babelrc: false, presets: [presetEsNext]},
  (e, result) => !e ? resolve(result) : reject(e)
 )))
 console.log(await new Promise((resolve, reject) => transform(code,
  {configFile: false, babelrc: false, presets: [[presetEsNext, {env: {targets: {node: true}, modules: false}}]]},
  (e, result) => !e ? resolve(result) : reject(e)
 )))
}

Options

• env: options to @babel/preset-env, default {targets: {node: true}}
• decorators: options to @babel/plugin-proposal-decorators, default {decoratorsBeforeExport: false}