/
.rollup.js
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/
.rollup.js
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import babel from 'rollup-plugin-babel'
import { terser } from 'rollup-plugin-terser'
import MagicString from 'magic-string'
const isBrowser = String(process.env.NODE_ENV).includes('browser')
const isMinified = String(process.env.NODE_ENV).includes('minified')
const name = 'ReactDOMFragment'
const input = 'src/index.js'
const output = isBrowser
? {
file: `${name}${isMinified ? '.min' : ''}.js`,
format: 'iife',
name,
globals: {
'react': 'React'
},
interop: false,
sourcemap: !isMinified,
strict: false
}
: [
{
file: 'index.js',
format: 'cjs',
sourcemap: !isMinified,
strict: false
},
{
file: 'index.mjs',
format: 'esm',
sourcemap: !isMinified,
strict: false
}
]
const targets = isBrowser ? 'ie >= 11' : { node: 10 }
const plugins = [
babel({
presets: [
['@babel/env', {
useBuiltIns: false,
loose: true,
targets
}]
]
}),
{
renderChunk(code, chunk, options) {
const isSourceMapping = options.sourceMap !== false && options.sourcemap !== false
const isIIFE = options.format === 'iife'
if (isIIFE) {
const magicString = new MagicString(code)
magicString.remove(4948)
magicString.remove(0, 154)
const result = {code: magicString.toString() }
if (isSourceMapping) {
result.map = magicString.generateMap({ hires: true })
}
return result
}
return null
}
}
].concat(isMinified ? terser({ mangle: true }) : [])
export default {
input,
output,
plugins,
external: ['react'],
onwarn(warning, warn) {
if (warning.code !== 'UNRESOLVED_IMPORT') warn(warning)
}
}