Function applyOutputDefaults

lib/config/defaults.js:1428–1962

(
	output,
	{
		context,
		targetProperties: tp,
		isAffectedByBrowserslist,
		outputModule,
		development,
		entry,
		futureDefaults,
		asyncWebAssembly
	}
)

 * @returns {void}
 */
const applyOutputDefaults = (
	output,
	{
		context,
		targetProperties: tp,
		isAffectedByBrowserslist,
		outputModule,
		development,
		entry,
		futureDefaults,
		asyncWebAssembly
	}
) => {
	/**
	 * Returns a readable library name.
	 * @param {Library=} library the library option
	 * @returns {string} a readable library name
	 */
	const getLibraryName = (library) => {
		const libraryName =
			typeof library === "object" &&
			library &&
			!Array.isArray(library) &&
			"type" in library
				? library.name
				: /** @type {LibraryName} */ (library);
		if (Array.isArray(libraryName)) {
			return libraryName.join(".");
		} else if (typeof libraryName === "object") {
			return getLibraryName(libraryName.root);
		} else if (typeof libraryName === "string") {
			return libraryName;
		}
		return "";
	};

	F(output, "uniqueName", () => {
		const libraryName = getLibraryName(output.library).replace(
			/^\[(\\*[\w:]+\\*)\](\.)|(\.)\[(\\*[\w:]+\\*)\](?=\.|$)|\[(\\*[\w:]+\\*)\]/g,
			(m, a, d1, d2, b, c) => {
				const content = a || b || c;
				return content.startsWith("\\") && content.endsWith("\\")
					? `${d2 || ""}[${content.slice(1, -1)}]${d1 || ""}`
					: "";
			}
		);
		if (libraryName) return libraryName;
		const pkgPath = path.resolve(context, "package.json");
		try {
			const packageInfo = JSON.parse(fs.readFileSync(pkgPath, "utf8"));
			return packageInfo.name || "";
		} catch (err) {
			if (/** @type {Error & { code: string }} */ (err).code !== "ENOENT") {
				/** @type {Error & { code: string }} */
				(err).message +=
					`\nwhile determining default 'output.uniqueName' from 'name' in ${pkgPath}`;
				throw err;
			}