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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 peerDepsExternal from 'rollup-plugin-peer-deps-external';
import pkg from './package.json';
import replace from '@rollup/plugin-replace';
import resolve from '@rollup/plugin-node-resolve';
import serve from 'rollup-plugin-serve';
import typescript from 'rollup-plugin-typescript2';
import { terser } from 'rollup-plugin-terser';
const dev = process.argv.indexOf('-w') > -1;
const plugins = [typescript(), commonjs(), resolve()];
if (!dev) {
plugins.unshift(peerDepsExternal());
plugins.push(terser());
} else {
plugins.push(
replace({
'process.env.NODE_ENV': JSON.stringify(dev ? 'development' : 'production')
}),
babel({
exclude: 'node_modules/**',
presets: ['@babel/env', '@babel/preset-react']
}),
serve(['dist', 'public'])
);
}
const lib = {
input: 'lib/index.ts',
output: [
{
file: pkg.main,
format: 'cjs'
},
{
file: pkg.module,
format: 'esm'
}
],
plugins
};
const exampleClient = {
input: 'example/index.tsx',
output: {
file: 'public/index.js',
format: 'iife'
},
plugins,
watch: {
exclude: 'node_modules/**'
}
};
export default dev ? exampleClient : lib;