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rollup.config.js
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rollup.config.js
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// more see http://rollupjs.org/guide/en/#configuration-files
import { nodeResolve } from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import json from '@rollup/plugin-json';
import url from '@rollup/plugin-url';
import styles from 'rollup-plugin-styles';
import babel from '@rollup/plugin-babel';
import esbuild from 'rollup-plugin-esbuild';
import { terser } from 'rollup-plugin-terser';
import replace from '@rollup/plugin-replace';
import strip from '@rollup/plugin-strip';
import eslint from '@rollup/plugin-eslint';
import del from 'rollup-plugin-delete';
import progress from 'rollup-plugin-progress';
import filesize from 'rollup-plugin-filesize';
import visualizer from 'rollup-plugin-visualizer';
import pkg from './package.json';
const isEnvDevelopment = String(process.env.NODE_ENV).trim() === 'development';
const isEnvProduction =
String(process.env.NODE_ENV).trim() === 'production' || !isEnvDevelopment;
const babelConfig = require('./.babelrc.cjs');
const name = 'myLib';
const banner = () => {
// see docs: https://github.com/terser/terser#keeping-copyright-notices-or-other-comments
return `/*!
* ${pkg.name}
* @description ${pkg.description}
* @version ${pkg.version}
* @date ${new Date().toLocaleString()}
* @author ${pkg.author}
*/`;
};
/**
* @type {import('rollup').RollupOptions}
*/
const config = {
cache: isEnvDevelopment,
watch: {
include: 'src/**',
},
onwarn: (warning, warn) => {
if (warning.code === 'CIRCULAR_DEPENDENCY') {
return;
}
warn(warning);
},
treeshake: isEnvProduction,
input: 'src/index.js',
output: [
// * UMD
{
file: 'build/bundle.umd.js',
format: 'umd',
name,
banner,
// globals: { cesium: 'Cesium' },
sourcemap: true,
// plugins: [
// isEnvProduction &&
// visualizer({ sourcemap: true, open: false, gzipSize: false }),
// ],
},
isEnvProduction && {
file: 'build/bundle.umd.min.js',
format: 'umd',
name,
banner,
// globals: { cesium: 'Cesium' },
sourcemap: true,
plugins: [terser()],
},
// * ES module
isEnvProduction && {
file: 'build/bundle.esm.js',
format: 'es',
banner,
sourcemap: true,
plugins: [
isEnvProduction &&
visualizer({ sourcemap: true, open: true, gzipSize: false }),
],
},
isEnvProduction && {
file: 'build/bundle.esm.min.js',
format: 'es',
banner,
sourcemap: true,
plugins: [terser()],
},
].filter(Boolean),
plugins: [
del({ targets: 'build/*', runOnce: true }),
// isEnvDevelopment &&
// // no V8
// eslint({
// include: 'src/**/*.js',
// throwOnError: true,
// fix: true,
// formatter: 'pretty',
// }),
commonjs({ sourceMap: isEnvProduction }),
nodeResolve({ browser: true }),
json(),
url({
limit: 1024 * 1000,
filename: '[name]-[hash][extname]',
}),
styles({
autoModules: (id) => id.includes('.module.'),
minimize: isEnvProduction,
sourceMap: isEnvDevelopment,
// sourceMap: [true, { content: false }]
}),
isEnvDevelopment &&
esbuild({
target: 'esnext',
}),
isEnvProduction &&
babel({
...babelConfig,
babelrc: false,
exclude: [/\/node_modules\//, /\/core-js\//],
babelHelpers: 'runtime',
}),
replace({
preventAssignment: true,
values: {
'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV),
},
}),
isEnvProduction && strip(),
isEnvProduction &&
progress({
clearLine: false, // default: true
}),
isEnvProduction && filesize(),
].filter(Boolean),
external: [],
};
export default config;