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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
| import axios from 'axios';
interface Option {
url: string;
method?: string;
param?: string;
data?: string;
}
interface Queue extends Option {
resolve: Function;
reject: Function;
}
interface Header {
[key: string]: string;
}
class Request {
queues: Queue[] = [];
concurrencyNumber: number = 0;
taskingNumber: number = 0;
header: Header = {};
constructor(concurrencyNumber: number = 3, header: Header = {}) {
this.concurrencyNumber = concurrencyNumber;
this.header = header;
}
push(option: Option): Promise<any> {
return new Promise((resolve, reject): void => {
if (!option.method) {
option.method = 'GET';
}
this.queues.push({...option, resolve, reject});
this.run();
})
}
private run(): void {
if (this.taskingNumber < this.concurrencyNumber) {
this.request();
}
}
private next(): void {
if (this.queues.length > 0 && this.taskingNumber < this.concurrencyNumber) {
this.request();
}
}
private request() {
let task = this.queues.shift();
this.taskingNumber++;
axios({
url: task!.url,
method: task!.method,
headers: this.header,
params: task?.param,
data: task?.data,
withCredentials: true
}).then((response: any): void => {
task!.resolve(response);
}).catch((reason: any): void => {
task!.reject(reason);
}).finally((): void => {
this.taskingNumber--;
this.next();
});
}
}
|
