Method set

src/core/diff/version-cache.ts:64–73

(key: string | null, value: unknown)

	}

	set(key: string | null, value: unknown): void {
		if (key === null) return;
		if (this.store.has(key)) this.store.delete(key);
		this.store.set(key, value);
		while (this.store.size > this.maxEntries) {
			const oldestKey = this.store.keys().next().value;
			if (oldestKey === undefined) break;
			this.store.delete(oldestKey);
		}
	}

	has(key: string | null): boolean {
		return key !== null && this.store.has(key);