twbs--bootstrap/build/rollup.config.js

56 lines
1.2 KiB
JavaScript

'use strict'
const path = require('path')
const babel = require('rollup-plugin-babel')
const resolve = require('rollup-plugin-node-resolve')
const banner = require('./banner.js')
const BUNDLE = process.env.BUNDLE === 'true'
const ESM = process.env.ESM === 'true'
let fileDest = `bootstrap${ESM ? '.esm' : ''}`
const external = ['popper.js']
const plugins = [
babel({
// Only transpile our source code
exclude: 'node_modules/**',
// Include only required helpers
externalHelpersWhitelist: [
'defineProperties',
'createClass',
'inheritsLoose',
'defineProperty',
'objectSpread2'
]
})
]
const globals = {
'popper.js': 'Popper'
}
if (BUNDLE) {
fileDest += '.bundle'
// Remove last entry in external array to bundle Popper
external.pop()
delete globals['popper.js']
plugins.push(resolve())
}
const rollupConfig = {
input: path.resolve(__dirname, `../js/index.${ESM ? 'esm' : 'umd'}.js`),
output: {
banner,
file: path.resolve(__dirname, `../dist/js/${fileDest}.js`),
format: ESM ? 'esm' : 'umd',
globals
},
external,
plugins
}
if (!ESM) {
rollupConfig.output.name = 'bootstrap'
}
module.exports = rollupConfig