All files / service lru.js

18.52% Statements 5/27

15.79% Branches 3/19

9.09% Functions 1/11

20.83% Lines 5/24

Press n or j to go to the next uncovered block, b, p or k for the previous block.


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54  
 
15x
15x
15x
 
15x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
15x
  class LRU {
  constructor(crowi) {
    this.crowi = crowi
    this.max = 10
    this.client = null
 
    Iif (this.crowi && this.crowi.redis) {
      this.client = this.crowi.redis
    }
  }
 
  removeByRange(namespace, max) {
    if (this.client) {
      return new Promise((resolve, reject) => {
        this.client.zremrangebyrank(namespace, 0, max, (err, response) => {
          if (err) reject(err)
          resolve(response)
        })
      })
    }
  }
 
  async add(namespace, key) {
    if (this.client) {
      await this.removeByRange(namespace, -this.max - 1)
      return new Promise((resolve, reject) => {
        this.client.zadd(namespace, Date.now(), key, (err, response) => {
          if (err) reject(err)
          resolve(response)
        })
      })
    }
  }
 
  range(namespace, limit = 0) {
    if (this.client) {
      return new Promise((resolve, reject) => {
        this.client.zrevrange(namespace, 0, limit - 1, (err, response) => {
          if (err) reject(err)
          resolve(response)
        })
      })
    }
  }
 
  get(namespace, limit) {
    if (this.client) {
      return this.range(namespace, limit)
    }
  }
}
 
module.exports = LRU