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rollup.config.js
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rollup.config.js
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import path from 'node:path';
import { fileURLToPath } from 'node:url';
import swc from '@rollup/plugin-swc';
import { globSync } from 'glob';
export default /** @type {import('rollup').RollupOptions} */ ({
input: Object.fromEntries(
globSync('src/**/*.ts')
.filter(file => !file.includes('src/__tests__/')) // Filter out files in src/__tests__
.map(file => [
// This remove `src/` as well as the file extension from each
// file, so e.g. src/nested/foo.js becomes nested/foo
path.relative('src', file.slice(0, file.length - path.extname(file).length)),
// This expands the relative paths to absolute paths, so e.g.
// src/nested/foo becomes /project/src/nested/foo.js
fileURLToPath(new URL(file, import.meta.url)),
]),
),
external: () => true,
plugins: [swc()],
output: [
{
dir: 'dist',
format: 'es',
sourcemap: true,
entryFileNames: '[name].js',
preserveModules: true,
},
{
dir: 'dist',
format: 'cjs',
sourcemap: true,
entryFileNames: '[name].cjs',
preserveModules: true,
generatedCode: {
constBindings: true,
},
},
],
});