-
Notifications
You must be signed in to change notification settings - Fork 41
/
getter.js
63 lines (57 loc) · 2 KB
/
getter.js
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
import axios from 'axios';
import localForage from "localforage";
import { values } from './default.js';
const CACHE_PREFIX = "pokeapi-js-wrapper-";
function loadResource(url) {
return new Promise((resolve, reject) => {
localForage.ready()
.then(() => {
localForage.getItem(`${CACHE_PREFIX}${url}`)
.then(value => {
if (value === null) {
loadUrl(url).then(res => {resolve(res)})
.catch(err => {reject(err)});
} else {
resolve(addCacheMark(value))
}
})
.catch(error => {
loadUrl(url).then(res => {resolve(res)})
.catch(err => {reject(err)});
});
})
.catch(err => {
loadUrl(url).then(res => {resolve(res)})
.catch(err => {reject(err)});
});
});
};
function loadUrl(url) {
return new Promise((resolve, reject) => {
let options = {
baseURL: `${values.protocol}://${values.hostName}/`,
timeout: values.timeout
}
axios.get(url, options)
.then(response => {
// if there was an error
if (response.status >= 400) {
reject(response);
} else {
// if everything was good
// cache the object in browser memory
// only if cache is true
if (values.cache) {
localForage.setItem(`${CACHE_PREFIX}${url}`, response.data);
}
resolve(addCacheMark(response.data, 0));
}
})
.catch(err => { reject(err) })
});
}
function addCacheMark(object, cached = 1) {
//object.fromCache = cached;
return object;
}
export { loadResource };