/
rollup.config.js
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/
rollup.config.js
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import commonjs from 'rollup-plugin-commonjs';
import resolve from '@rollup/plugin-node-resolve';
import babel from '@rollup/plugin-babel';
import terser from '@rollup/plugin-terser';
// assert import for JSON files
// import { default as meta } from './package.json' assert {
// type: 'json',
// };
import { readFile } from 'fs/promises';
const meta = JSON.parse(
await readFile(
new URL('./package.json', import.meta.url)
)
);
const STARTED = 2020;
const YEAR = new Date().getFullYear();
const config = {
input: 'src/index.js',
external: Object.keys(meta.dependencies || {}).filter(key =>
/^chrt-/.test(key)
),
output: {
file: `dist/${meta.name}.js`,
name: 'chrt',
format: 'umd',
indent: false,
extend: true,
exports: 'named',
banner: `// ${meta.name} v${meta.version} Copyright ${YEAR !== STARTED ? `${STARTED}-` : ''
}${YEAR} ${meta.author} ${meta.homepage}`,
globals: Object.assign(
{},
...Object.keys(meta.dependencies || {})
.filter(key => /^chrt-/.test(key))
.map(key => ({ [key]: 'chrt' }))
)
},
plugins: [
commonjs(),
resolve(),
babel({
babelHelpers: 'bundled',
exclude: 'node_modules/**',
// sourceMaps: "both",
babelrc: false
})
]
};
export default [
config,
{
...config,
output: {
...config.output,
format: 'esm',
file: `dist/${meta.name}.esm.js`
},
plugins: [...config.plugins]
},
{
...config,
output: {
...config.output,
file: `dist/${meta.name}.min.js`
},
plugins: [
...config.plugins,
terser({
output: {
preamble: config.output.banner
}
})
]
},
// {
// ...config,
// output: {
// ...config.output,
// format: 'cjs',
// file: `dist/${meta.name}.node.js`
// },
// plugins: [...config.plugins]
// }
];