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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 resolve from '@rollup/plugin-node-resolve';
import { terser } from 'rollup-plugin-terser';
import visualizer from 'rollup-plugin-visualizer';
import dts from 'rollup-plugin-dts'
const extensions = ['.js', '.jsx', '.ts', '.tsx'];
const isProduction = process.env.NODE_ENV === 'production';
const config = {
input: './src/index.ts',
external: ['@babel/runtime'],
manualChunks(id) {
if (id.includes('node_modules/'))
return 'vendors';
if (id.includes('src/theming/') || id.includes('src/utils/') )
return 'helpers';
const component = id.match(/src\/components\/([^/]+)/);
if (component)
return component.pop();
},
output: {
dir: 'lib/browser',
format: 'es',
chunkFileNames: '[name].js',
},
plugins: [
resolve({ extensions }),
babel({ extensions, babelHelpers: isProduction ? 'runtime': 'bundled' }),
terser(),
visualizer(),
]
};
export default [
config,
{
...config,
external: config.external.concat(['lit-element', /lit-html/]),
output: {
...config.output,
dir: 'lib/unpkg'
}
},
{
input: 'lib/typings/index.d.ts',
output: [{ file: 'lib/ui-components.d.ts', format: 'es' }],
plugins: [dts()],
},
];