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rollup.config.ts
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rollup.config.ts
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import resolve from 'rollup-plugin-node-resolve';
import commonjs from 'rollup-plugin-commonjs';
import sourceMaps from 'rollup-plugin-sourcemaps';
import typescript from 'rollup-plugin-typescript2';
import { terser } from 'rollup-plugin-terser';
import json from 'rollup-plugin-json';
import filesize from 'rollup-plugin-filesize';
import postcss from 'rollup-plugin-postcss';
import pkg from './package.json';
export default {
input: pkg.source,
output: [
{ file: pkg.main, name: pkg['umd:name'], format: 'umd', sourcemap: true },
{ file: pkg.module, format: 'es', sourcemap: true },
],
// Indicate here external modules you don't wanna include in your bundle (i.e.: 'lodash')
external: [...Object.keys(pkg.dependencies || {}), ...Object.keys(pkg.peerDependencies || {})],
watch: {
include: 'src/**',
},
plugins: [
// Allow json resolution
json(),
// Compile TypeScript files
typescript({ useTsconfigDeclarationDir: true }),
// Allow bundling cjs modules (unlike webpack, rollup doesn't understand cjs)
commonjs(),
postcss({
extract: true,
extensions: ['.css'],
}),
// Allow node_modules resolution, so you can use 'external' to control
// which external modules to include in the bundle
// https://github.com/rollup/rollup-plugin-node-resolve#usage
resolve(),
// Resolve source maps to the original source
sourceMaps(),
process.env.BUILD === 'production' ? terser() : {},
process.env.BUILD === 'production' ? filesize() : {},
],
};