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rollup.config.js
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rollup.config.js
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import svelte from 'rollup-plugin-svelte';
import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import css from 'rollup-plugin-css-only';
import { terser } from 'rollup-plugin-terser';
const production = !process.env.ROLLUP_WATCH;
export default {
input: 'src/main.js',
output: {
sourcemap: true,
format: 'iife', // immediately-invoked function expression
name: 'app',
file: 'public/build/bundle.js',
globals: {
three: 'THREE',
'three/examples/jsm/controls/OrbitControls': 'OrbitControls'
}
},
external: [
'three',
'three/examples/jsm/controls/OrbitControls'
],
plugins: [
svelte({
compilerOptions: {
dev: !production
},
preprocess: require('svelte-preprocess')({
postcss: true
})
}),
css({ output: 'public/build/bundle.css' }),
resolve({
browser: true,
dedupe: ['svelte']
}),
commonjs(),
production && terser()
]
};