leetcode

0 class TimeLimitedCache {

1 cache = new Map();

2

3 set(key, value, duration) {

4 const valueInCache = this.cache.get(key);

5 if (valueInCache) {

6 clearTimeout(valueInCache.timeout);

7 }

8 const timeout = setTimeout(() => this.cache.delete(key), duration);

9 this.cache.set(key, { value, timeout });

10 return Boolean(valueInCache);

11 }

12

13 get(key) {

14 return this.cache.has(key) ? this.cache.get(key).value : -1;

15 }

16

17 count() {

18 return this.cache.size;

19 }

20 };