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rollup.config.js
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rollup.config.js
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const path = require('path');
const resolve = require("rollup-plugin-node-resolve");
const commonjs = require("rollup-plugin-commonjs");
const sourceMaps = require("rollup-plugin-sourcemaps");
const typescript = require("rollup-plugin-typescript2");
const autoExternal = require("rollup-plugin-auto-external");
const json = require("rollup-plugin-json");
const { terser } = require("rollup-plugin-terser");
const { sizeSnapshot } = require("rollup-plugin-size-snapshot");
const pkg = require("./package.json");
const fileName = path.parse(pkg.main).name;
module.exports = {
input: `src/index.ts`,
output: [
{
file: `dist/${fileName}.js`,
format: "cjs",
sourcemap: true
},
{ file: `dist/${fileName}.mjs`, format: "es", sourcemap: true },
{ file: `dist/${fileName}.umd.js`, name: pkg.main, format: "umd", sourcemap: true }
],
// Indicate here external modules you don't wanna include in your bundle (i.e.: 'lodash')
external: [
'lodash',
'winston',
'object-hash',
'mobx'
],
watch: {
include: "src/**"
},
plugins: [
// Allow json resolution
json(),
// Compile TypeScript files
typescript(),
// Allow bundling cjs modules (unlike webpack, rollup doesn't understand cjs)
commonjs(),
autoExternal(),
// Allow node_modules resolution, so you can use 'external' to control
// which external modules to include in the bundle
// https://github.com/rollup/rollup-plugin-node-resolve#usage
resolve(),
// Resolve source maps to the original source
sourceMaps(),
sizeSnapshot(),
terser({ compress: true }),
]
};