add global objects/interfaces extractor

scripts/globals-extractor.mjs

@@ -0,0 +1,56 @@
+/** ----------------------------------------------------------------------
+This script gets a list of global objects/interfaces of browser.
+This process is simple for now, so it is handled without AST parser.
+see: https://github.com/microsoft/TypeScript/tree/main/lib
+ ---------------------------------------------------------------------- */
+
+import http from 'https';
+
+const get_url = (name) => `https://raw.githubusercontent.com/microsoft/TypeScript/main/lib/lib.${name}.d.ts`;
+const extract_name = (split) => split.match(/^[a-zA-Z0-9_$]+/)[0];
+
+const extract_interfaces_and_references = (data) => {
+	const interfaces = [];
+	const references = [];
+	data.split('\n').forEach(line => {
+		const trimmed = line.trim();
+		const split = trimmed.replace(/[\s+]/, ' ').split(' ');
+		if (split[0] === 'interface') interfaces.push(extract_name(split[1]));
+		else if (split[0] === 'declare') interfaces.push(extract_name(split[2]));
+		else if (trimmed.startsWith('/// <reference')) {
+			const reference = trimmed.match(/lib="(.+)"/)[1];
+			if (reference) references.push(reference);
+		}
+	});
+	return { interfaces, references };
+};
+
+const do_get = (url) => new Promise((resolve, reject) => {
+	http.get(url, (res) => {
+		let body = '';
+		res.setEncoding('utf8');
+		res.on('data', (chunk) => body += chunk);
+		res.on('end', () => resolve(body));
+	}).on('error', (e) => {
+		console.error(e.message);
+		reject(e);
+	});
+});
+
+const get_interfaces = async (name) => {
+	const res = [];
+	const body = await do_get(get_url(name));
+	const { interfaces, references } = extract_interfaces_and_references(body);
+	res.push(...interfaces);
+	const chile_interfaces = await Promise.all(references.map(get_interfaces));
+	chile_interfaces.forEach(i => res.push(...i));
+	return res;
+};
+
+(async () => {
+	const interfaces = await get_interfaces('es2021.full');
+	// MEMO: add additional objects/interfaces which existed in `src/compiler/utils/names.ts`
+	//       before this script was introduced but could not be retrieved by this process.
+	interfaces.push(...['globalThis', 'InternalError', 'process', 'undefined']);
+	new Set(interfaces.sort()).forEach((i) => console.log(`'${i}',`));
+})();