qortal-ui/core/tooling/generateES5BuildConfig.js

const path = require('path')
const babel = require('@rollup/plugin-babel')
const replace = require('@rollup/plugin-replace')
const commonjs = require('@rollup/plugin-commonjs')
const progress = require('rollup-plugin-progress')
const terser = require('@rollup/plugin-terser')
const alias = require('@rollup/plugin-alias')
const webWorkerLoader = require('@qortal/rollup-plugin-web-worker-loader')
const { nodeResolve } = require('@rollup/plugin-node-resolve')

const generateRollupConfig = (file, { outputDir, aliases }) => {
	return {
		inputOptions: {
			input: file.input,
			onwarn: (warning, rollupWarn) => {
				if (warning.code !== 'CIRCULAR_DEPENDENCY') {
					rollupWarn(warning)
				}
			},
			plugins: [
				nodeResolve({
					preferBuiltins: false,
					mainFields: ['module', 'browser']
				}),
				replace({
					preventAssignment: true,
					"process.env.NODE_ENV": JSON.stringify("production"),
				}),
				alias({
					entries: Object.keys(aliases).map(find => {
						return {
							find,
							replacement: aliases[find]
						}
					})
				}),
				commonjs(),
				progress(),
				webWorkerLoader(),
				babel.babel({
					babelHelpers: 'bundled',
					exclude: 'node_modules/**'
				}),
				terser({
					compress: true,
					output: {
						comments: false,
					},
				})
			],
			preserveEntrySignatures: false,
			external: ['crypto']
		},
		outputOptions: {
			file: path.join(outputDir, file.output),
			format: 'umd',
			name: 'worker',
			sourcemap: false
		}
	}
}

const generateES5BuildConfig = (files, options) => {
	return files.map(file => generateRollupConfig(file, options))
}

module.exports = generateES5BuildConfig