Function pruneCache

packages/runtime-core/src/components/KeepAlive.ts:203–216

(filter: (name: string) => boolean)

    }

    function pruneCache(filter: (name: string) => boolean) {
      cache.forEach((vnode, key) => {
        // for async components, name check should be based in its loaded
        // inner component if available
        const name = getComponentName(
          isAsyncWrapper(vnode)
            ? (vnode.type as ComponentOptions).__asyncResolved || {}
            : (vnode.type as ConcreteComponent),
        )
        if (name && !filter(name)) {
          pruneCacheEntry(key)
        }
      })
    }

    function pruneCacheEntry(key: CacheKey) {
      const cached = cache.get(key) as VNode