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rollup.config.js
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rollup.config.js
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import merge from 'deepmerge';
// use createSpaConfig for bundling a Single Page App
import { createSpaConfig } from '@open-wc/building-rollup';
import copy from 'rollup-plugin-copy';
// use createBasicConfig to do regular JS to JS bundling
// import { createBasicConfig } from '@open-wc/building-rollup';
const baseConfig = createSpaConfig({
// use the outputdir option to modify where files are output
outputDir: 'dist',
// if you need to support older browsers, such as IE11, set the legacyBuild
// option to generate an additional build just for this browser
// legacyBuild: true,
// development mode creates a non-minified build for debugging or development
developmentMode: process.env.ROLLUP_WATCH === 'true',
// set to true to inject the service worker registration into your index.html
injectServiceWorker: false,
});
export default merge(baseConfig, {
// if you use createSpaConfig, you can use your index.html as entrypoint,
// any <script type="module"> inside will be bundled by rollup
input: './index.html',
plugins: [
copy({
targets: [{ src: 'assets/**/*', dest: './dist/assets' }],
// set flatten to false to preserve folder structure
flatten: false,
}),
]
});