Function findNewName

lib/util/concatenate.js:124–163

* Returns found new name. * @param {string} oldName old name * @param {UsedNames} usedNamed1 used named 1 * @param {UsedNames} usedNamed2 used named 2 * @param {string} extraInfo extra info * @returns {string} found new name

(oldName, usedNamed1, usedNamed2, extraInfo)

 * @returns {string} found new name
 */
function findNewName(oldName, usedNamed1, usedNamed2, extraInfo) {
	let name = oldName;

	if (name === DEFAULT_EXPORT) {
		name = "";
	}
	if (name === NAMESPACE_OBJECT_EXPORT) {
		name = "namespaceObject";
	}

	// Remove uncool stuff
	extraInfo = extraInfo.replace(
		/\.+\/|(?:\/index)?\.[a-zA-Z0-9]{1,4}(?:$|\s|\?)|\s*\+\s*\d+\s*modules/g,
		""
	);

	const splittedInfo = extraInfo.split("/");
	while (splittedInfo.length) {
		name = splittedInfo.pop() + (name ? `_${name}` : "");
		const nameIdent = Template.toIdentifier(name);
		if (
			!usedNamed1.has(nameIdent) &&
			(!usedNamed2 || !usedNamed2.has(nameIdent))
		) {
			return nameIdent;
		}
	}

	let i = 0;
	let nameWithNumber = Template.toIdentifier(`${name}_${i}`);
	while (
		usedNamed1.has(nameWithNumber) ||
		// eslint-disable-next-line no-unmodified-loop-condition
		(usedNamed2 && usedNamed2.has(nameWithNumber))
	) {
		i++;
		nameWithNumber = Template.toIdentifier(`${name}_${i}`);
	}
	return nameWithNumber;
}

/** @typedef {Set<Scope>} ScopeSet */