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rollup.config.browser.js
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rollup.config.browser.js
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import babel from '@rollup/plugin-babel';
import commonjs from '@rollup/plugin-commonjs';
import json from '@rollup/plugin-json';
import resolve from '@rollup/plugin-node-resolve';
import typescript from '@rollup/plugin-typescript';
import builtins from 'rollup-plugin-node-builtins';
import globals from 'rollup-plugin-node-globals';
import { terser } from 'rollup-plugin-terser';
const name = 'brain';
export default {
input: './src/index.js',
// Specify here external modules which you don't want to include in your bundle (for instance: 'lodash', 'moment' etc.)
// https://rollupjs.org/guide/en#external-e-external
external: [],
plugins: [
// Allows node_modules resolution
resolve({ preferBuiltins: true, browser: true }),
// allow json importing
json(),
// Allow bundling cjs modules. Rollup doesn't understand cjs
commonjs(),
// Allows the node builtins to be required/imported.
globals(),
builtins(),
// compile typescript
typescript({
tsconfig: './tsconfig.build.json',
}),
// Compile TypeScript/JavaScript files
babel({
babelHelpers: 'bundled',
exclude: 'node_modules/**',
include: ['src/**/*'],
}),
],
output: [
{
file: 'dist/brain-browser.mjs',
format: 'es',
sourcemap: true,
},
{
file: 'dist/brain-browser.js',
format: 'umd',
name,
sourcemap: true,
},
{
file: 'dist/brain-browser.min.js',
format: 'umd',
name,
sourcemap: true,
plugins: [
// Minify bundles
terser(),
],
},
],
};