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rollup.config.js
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rollup.config.js
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import babel from 'rollup-plugin-babel';
import commonjs from 'rollup-plugin-commonjs';
import resolve from 'rollup-plugin-node-resolve';
import { uglify } from 'rollup-plugin-uglify';
const ENV = process.env.NODE_ENV;
const MODULE_FORMAT = {
cjs: 'cjs',
es: 'es',
development: 'umd',
production: 'umd',
}[ENV];
export default {
input: 'src/index.js',
output: Object.assign(
{
format: MODULE_FORMAT,
sourcemap: true,
},
(ENV === 'development' || ENV === 'production') && {
name: 'HAL',
},
),
plugins: [
babel({
babelrc: false,
exclude: ['node_modules/**', '*.spec.js'],
presets: [
[
'env',
{
targets: {
browsers: ['last 2 versions', 'ie >= 11'],
node: 'current',
},
modules: false,
loose: true,
},
],
],
runtimeHelpers: true,
plugins: [
'transform-flow-strip-types',
'external-helpers',
'transform-object-rest-spread',
],
}),
resolve({
jsnext: true,
browser: true,
extensions: ['.js'],
}),
commonjs(),
ENV === 'production'
&& uglify({
keep_fnames: true,
compress: {
pure_getters: true,
warnings: false,
},
}),
],
};