Function mergeGlobalOptions

lib/NormalModuleFactory.js:212–231

(globalOptions, type, localOptions)

 * @returns {T & O | T | O} result
 */
const mergeGlobalOptions = (globalOptions, type, localOptions) => {
	const parts = type.split("/");
	/** @type {undefined | T} */
	let result;
	let current = "";
	for (const part of parts) {
		current = current ? `${current}/${part}` : part;
		const options =
			/** @type {T} */
			(globalOptions[/** @type {keyof T} */ (current)]);
		if (typeof options === "object") {
			result =
				result === undefined ? options : cachedCleverMerge(result, options);
		}
	}
	if (result === undefined) {
		return localOptions;
	}
	return cachedCleverMerge(result, localOptions);
};

// TODO webpack 6 remove
/**