How to use the @open-wc/building-rollup.createCompatibilityConfig function in @open-wc/building-rollup
To help you get started, we’ve selected a few @open-wc/building-rollup examples, based on popular ways it is used in public projects.
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open-wc / open-wc / packages / demoing-storybook / src / build / build.js View on Github 
async function buildPreview(outputDir, assets) {
const configs = createCompatibilityConfig({
input: 'noop',
extensions: [...DEFAULT_EXTENSIONS, 'mdx'],
plugins: { indexHTML: false },
});
configs[0].output.dir = path.join(outputDir, 'legacy');
configs[1].output.dir = outputDir;
configs[0].plugins.unshift(
indexHTML({
indexFilename: 'iframe.html',
indexHTMLString: assets.iframeHTML,
multiBuild: true,
legacy: true,
polyfills: {
dynamicImport: true,@open-wc/building-rollup
Default configuration for working with rollup
