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rollup.config.js
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import babel from '@rollup/plugin-babel'
import pluginCommonjs from '@rollup/plugin-commonjs'
import pluginNodeResolve from '@rollup/plugin-node-resolve'
import pluginWebWorker from 'rollup-plugin-web-worker-loader'
// These are our dependencies, everything else is in the bundle
const external = ['three']
const extensions = ['.js', '.ts', '.json']
const getBabelOptions = ({ useESModules }, targets) => ({
babelHelpers: 'runtime',
babelrc: false,
extensions,
include: ['src/**/*', '**/node_modules/**'],
plugins: [['@babel/transform-runtime', { regenerator: false, useESModules }]],
presets: [['@babel/preset-env', { loose: true, modules: false, targets }], '@babel/preset-typescript'],
})
export default [
{
external,
input: `./src/index.ts`,
output: { dir: 'dist', format: 'esm' },
plugins: [
pluginCommonjs({ esmExternals: ['events'] }),
pluginNodeResolve({ extensions, preferBuiltins: false }),
pluginWebWorker({ platform: 'base64', sourcemap: false, targetPlatform: 'browser' }),
babel(getBabelOptions({ useESModules: true }, '>1%, not dead, not ie 11, not op_mini all')),
],
},
{
external,
input: `./src/index.ts`,
output: { dir: 'dist/debug', format: 'esm' },
plugins: [
pluginCommonjs({ esmExternals: ['events'] }),
pluginNodeResolve({ extensions, preferBuiltins: false }),
pluginWebWorker({ platform: 'base64', sourcemap: true, targetPlatform: 'browser' }),
babel(getBabelOptions({ useESModules: true }, '>1%, not dead, not ie 11, not op_mini all')),
],
},
]