githubmirror/webpack

test/helpers/asModule.js

34 строки1004 B

Alexander Akait

fix: force use es-lexer for mjs files for build dependencies (#19904)

12 сен 2025, 19:59

12 сен 2025, 19:59ce2f41e

"use strict";

const vm = require("vm");

const SYNTHETIC_MODULES_STORE = "__SYNTHETIC_MODULES_STORE";
const [major] = process.versions.node.split(".").map(Number);

module.exports = async (something, context, unlinked) => {
	if (
		something instanceof (vm.Module || /* node.js 10 */ vm.SourceTextModule)
	) {
		return something;
	}
	context[SYNTHETIC_MODULES_STORE] = context[SYNTHETIC_MODULES_STORE] || [];
	const i = context[SYNTHETIC_MODULES_STORE].length;
	context[SYNTHETIC_MODULES_STORE].push(something);
	const code = [...new Set(["default", ...Object.keys(something)])]
		.map(
			(name) =>
				`const _${name} = ${SYNTHETIC_MODULES_STORE}[${i}]${
					name === "default" ? "" : `[${JSON.stringify(name)}]`
				}; export { _${name} as ${name}};`
		)
		.join("\n");
	const m = new vm.SourceTextModule(code, {
		context
	});
	if (unlinked) return m;
	await m.link(() => {});
	// node.js 10 needs instantiate
	if (major === 10 && m.instantiate) m.instantiate();
	await m.evaluate();
	return m;
};