Function toKey

src/cm/lsp/serverRegistry.ts:22–26

(id: string | undefined | null)

const listeners = new Set<RegistryEventListener>();

function toKey(id: string | undefined | null): string {
	return String(id ?? "")
		.trim()
		.toLowerCase();
}

function clone<T>(value: T): T | undefined {
	if (!value || typeof value !== "object") return undefined;