tsup.config.ts

import { polyfillNode } from "esbuild-plugin-polyfill-node";
import { globSync } from 'glob';
// import { globbySync } from 'globby';
// import { print } from 'q-i';
import { defineConfig, type Options } from 'tsup';


interface MyOptions extends Options {
	d?: string
}

const DIR_SRC = 'src/main/resources';
const AND_BELOW = '**';
const TEST_EXT = `{spec,test}.{ts,tsx}`;
const TEST_FILES = `*.${TEST_EXT}`;
const ASSETS_PATH = `${DIR_SRC}/assets`;
// const CLIENT_GLOB_EXTENSIONS = '{tsx,ts,jsx,js}';

const DECLARATION_FILES = globSync(`${DIR_SRC}/${AND_BELOW}/*.d.ts`);
// const DECLARATION_FILES = globbySync(`${RESOURCES_PATH}/${AND_BELOW}/*.d.ts`);
// print({DECLARATION_FILES}, { maxItems: Infinity }); process.exit(0);

const ASSET_FILES = globSync(`${ASSETS_PATH}/${AND_BELOW}/*.*`);
// const ASSET_FILES = globbySync(`${ASSETS_PATH}/${AND_BELOW}/*.*`);
// print({ASSET_FILES}, { maxItems: Infinity }); process.exit(0);

const SERVER_FILES = globSync(
	`${DIR_SRC}/${AND_BELOW}/*.ts`,
	{
		absolute: false,
		ignore: DECLARATION_FILES.concat(
			ASSET_FILES,
			globSync(`${DIR_SRC}/${AND_BELOW}/${TEST_FILES}`)
		),
	}
);
// print({SERVER_FILES}, { maxItems: Infinity }); // process.exit(0);


export default defineConfig((options: MyOptions) => {
	// print(options, { maxItems: Infinity });
	if (options.d === 'build/resources/main') {
		return {
			entry: SERVER_FILES,
			esbuildPlugins: [
				polyfillNode({
					globals: {
						buffer: false,
						process: false
					},
					polyfills: {
						_stream_duplex: false,
						_stream_passthrough: false,
						_stream_readable: false,
						_stream_transform: false,
						_stream_writable: false,
						assert: false,
						'assert/strict': false,
						async_hooks: false,
						buffer: false,
						child_process: false,
						cluster: false,
						console: false,
						constants: false,
						crypto: false,
						dgram: false,
						diagnostics_channel: false,
						dns: false,
						domain: false,
						events: false,
						fs: false,
						'fs/promises': false,
						http: false,
						http2: false,
						https: false,
						module: false,
						net: false,
						os: false,
						path: false,
						perf_hooks: false,
						process: "empty",
						punycode: false,
						querystring: false,
						readline: false,
						repl: false,
						stream: false,
						string_decoder: false,
						sys: false,
						timers: false,
						'timers/promises': false,
						tls: false,
						tty: false,
						url: false,
						util: true,
						v8: false,
						vm: false,
						wasi: false,
						worker_threads: false,
						zlib: false,
					}
				}) // ReferenceError: "navigator" is not defined
			],
			esbuildOptions(options, context) {
				// options.alias = {
				// 	'util': './src/main/resources/my_node_modules/util/util.js'
				// };
				options.banner = {
					js: `const globalThis = (1, eval)('this');`
				};
				options.chunkNames = '_chunks/[name]-[hash]';
				// options.target = 'es2020'; // tsup does this for us :)
			// 	options.tsconfig = 'tsconfig.tsup.json'
			},
			external: [ // All these are available runtime in the jar file:
				'/lib/cache',
				'/lib/enonic/asset',
				'/lib/enonic/static',
				/^\/lib\/explorer/,
				'/lib/galimatias',
				'/lib/graphql',
				'/lib/graphql-connection',
				/^\/lib\/guillotine/,
				'/lib/http-client',
				'/lib/license',
				'/lib/router',
				'/lib/util',
				'/lib/vanilla',
				'/lib/thymeleaf',
				'/lib/xp/admin',
				'/lib/xp/app',
				'/lib/xp/auditlog',
				'/lib/xp/auth',
				'/lib/xp/cluster',
				'/lib/xp/common',
				'/lib/xp/content',
				'/lib/xp/context',
				'/lib/xp/event',
				'/lib/xp/export',
				'/lib/xp/grid',
				'/lib/xp/i18n',
				'/lib/xp/io',
				'/lib/xp/mail',
				'/lib/xp/node',
				'/lib/xp/portal',
				'/lib/xp/project',
				'/lib/xp/repo',
				'/lib/xp/scheduler',
				'/lib/xp/schema',
				'/lib/xp/task',
				'/lib/xp/value',
				'/lib/xp/vhost',
				'/lib/xp/websocket',
			],
			format: 'cjs',
			inject: [
				// 'node_modules/buffer/index.js',
				// 'node_modules/core-js/stable/global-this.js', // doesn't help for esbuild-plugin-polyfill-node
				// 'src/main/resources/lib/nashorn/global.ts', // does help for esbuild-plugin-polyfill-node :)
				// 'node_modules/core-js/stable/array/flat.js',

				// This works, but might not be needed, because I'm using arrayIncludes from @enonic/js-utils
				'node_modules/core-js/stable/array/includes.js',

				// 'node_modules/core-js/stable/math/trunc.js', // Needed by pretty-ms
				// 'node_modules/core-js/stable/number/is-finite.js', // Needed by pretty-ms
				// 'node_modules/core-js/stable/number/is-integer.js',
				// 'node_modules/core-js/stable/parse-float.js',
				// This is needed when treeshake: true
				// So I'm assuming that the injects are not treeshaken
				// 'node_modules/core-js/stable/reflect/index.js'
			],
			'main-fields': 'main,module',
			minify: false, // Minifying server files makes debugging harder
			noExternal: [
				// To check if you have forgotten any try this command
				// clear && npm run clean && npm run build:tsup && grep -r 'require(' build/resources/main|grep -v '("\.'|grep -v '("\/'

				// TODO: These might need Polyfills for global to run in Nashorn:
				// '@enonic/explorer-utils', //
				// '@enonic/fnv-plus', //
				/^@enonic\/js-utils/, // many places
				// 'array.prototype.find', // tasks/webcrawl/webcrawl
				'cheerio', //
				'gql-query-builder', //
				'core-js', //
				// 'd3-dsv', //
				'deep-object-diff', //
				// 'diff', //
				'fast-deep-equal', //
				'human-object-diff', //
				// 'is-generator-function', // my_node_modules/util
				'object.getownpropertydescriptors', // tasks/webcrawl/webcrawl
				'polyfill-crypto.getrandomvalues', //
				// 'reflect-metadata', //
				'robots-txt-guard', //
				'serialize-javascript', //
				// 'traverse', //
				'uri-js', //

				// Without it TypeError: null is not a function
				// 'util', // node_modules/object-inspect/util.inspect.js
			],
			platform: 'neutral',

			// https://tsup.egoist.dev/#code-splitting
			// Code splitting currently only works with the esm output format,
			// and it's enabled by default.
			// If you want code splitting for cjs output format as well, try
			// using --splitting flag which is an experimental feature to get
			// rid of the limitation in esbuild.
			splitting: true, // Might cause weird error messages at runtime

			shims: false, // https://tsup.egoist.dev/#inject-cjs-and-esm-shims
			sourcemap: false,
			// target: 'es5', // Set in tsconfig.tsup.json

			// https://tsup.egoist.dev/#tree-shaking
			// Tree shaking
			// esbuild has tree shaking enabled by default, but sometimes it's
			// not working very well, see #1794 #1435, so tsup offers an
			// additional option to let you use Rollup for tree shaking instead
			// This option has the same type as the treeshake option in Rollup:
			// https://rollupjs.org/configuration-options/#treeshake
			//
			// Fails after 1m 10s when splitting: false
			// treeshake: true // causes ReferenceError: "Reflect" is not defined
			//
			// In conclusion: The default tree-shaking that esbuild provides is
			// enough, we don't need extra tree-shaking rollup.

			tsconfig: 'tsconfig.tsup.json'
		};
	}
	if (options.d === 'build/resources/main/static') {
		return import('./tsup/static').then(m => m.default());
	}
	throw new Error(`Unconfigured directory:${options.d}!`)
});