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-rw-r--r--client/src/root-helpers/peertube-web-storage.ts81
1 files changed, 81 insertions, 0 deletions
diff --git a/client/src/root-helpers/peertube-web-storage.ts b/client/src/root-helpers/peertube-web-storage.ts
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1// Thanks: https://github.com/capaj/localstorage-polyfill
2
3const valuesMap = new Map()
4
5function proxify (instance: MemoryStorage) {
6 return new Proxy(instance, {
7 set: function (obj, prop: string | number, value) {
8 if (MemoryStorage.prototype.hasOwnProperty(prop)) {
9 instance[prop] = value
10 } else {
11 instance.setItem(prop, value)
12 }
13 return true
14 },
15 get: function (target, name: string | number) {
16 if (MemoryStorage.prototype.hasOwnProperty(name)) {
17 return instance[name]
18 }
19 if (valuesMap.has(name)) {
20 return instance.getItem(name)
21 }
22 }
23 })
24}
25
26class MemoryStorage {
27 [key: string]: any
28 [index: number]: string
29
30 getItem (key: any) {
31 const stringKey = String(key)
32 if (valuesMap.has(key)) {
33 return String(valuesMap.get(stringKey))
34 }
35
36 return null
37 }
38
39 setItem (key: any, val: any) {
40 valuesMap.set(String(key), String(val))
41 }
42
43 removeItem (key: any) {
44 valuesMap.delete(key)
45 }
46
47 clear () {
48 valuesMap.clear()
49 }
50
51 key (i: any) {
52 if (arguments.length === 0) {
53 throw new TypeError('Failed to execute "key" on "Storage": 1 argument required, but only 0 present.')
54 }
55
56 const arr = Array.from(valuesMap.keys())
57 return arr[i]
58 }
59
60 get length () {
61 return valuesMap.size
62 }
63}
64
65let peertubeLocalStorage: Storage
66let peertubeSessionStorage: Storage
67try {
68 peertubeLocalStorage = localStorage
69 peertubeSessionStorage = sessionStorage
70} catch (err) {
71 const instanceLocalStorage = new MemoryStorage()
72 const instanceSessionStorage = new MemoryStorage()
73
74 peertubeLocalStorage = proxify(instanceLocalStorage)
75 peertubeSessionStorage = proxify(instanceSessionStorage)
76}
77
78export {
79 peertubeLocalStorage,
80 peertubeSessionStorage
81}