RainLoop /
rainloop-webmail
| Lines of Code | 74 |
| Duplicated Lines | 0 |
| Ratio | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
| 1 | |||
| 2 | import window from 'window'; |
||
| 3 | import {isUnd} from 'Common/Utils'; |
||
| 4 | import {isStorageSupported} from 'Storage/RainLoop'; |
||
| 5 | import {CLIENT_SIDE_STORAGE_INDEX_NAME} from 'Common/Consts'; |
||
| 6 | |||
| 7 | class LocalStorageDriver |
||
| 8 | { |
||
| 9 | s = null; |
||
| 10 | |||
| 11 | constructor() { |
||
| 12 | this.s = window.localStorage || null; |
||
| 13 | } |
||
| 14 | |||
| 15 | /** |
||
| 16 | * @param {string} key |
||
| 17 | * @param {*} data |
||
| 18 | * @returns {boolean} |
||
| 19 | */ |
||
| 20 | set(key, data) { |
||
| 21 | if (!this.s) |
||
| 22 | { |
||
| 23 | return false; |
||
| 24 | } |
||
| 25 | |||
| 26 | let storageResult = null; |
||
| 27 | try |
||
| 28 | { |
||
| 29 | const storageValue = this.s.getItem(CLIENT_SIDE_STORAGE_INDEX_NAME) || null; |
||
| 30 | storageResult = null === storageValue ? null : window.JSON.parse(storageValue); |
||
| 31 | } |
||
| 32 | catch (e) {} // eslint-disable-line no-empty |
||
| 33 | |||
| 34 | (storageResult || (storageResult = {}))[key] = data; |
||
| 35 | |||
| 36 | try |
||
| 37 | { |
||
| 38 | this.s.setItem(CLIENT_SIDE_STORAGE_INDEX_NAME, window.JSON.stringify(storageResult)); |
||
| 39 | return true; |
||
| 40 | } |
||
| 41 | catch (e) {} // eslint-disable-line no-empty |
||
| 42 | |||
| 43 | return false; |
||
| 44 | } |
||
| 45 | |||
| 46 | /** |
||
| 47 | * @param {string} key |
||
| 48 | * @returns {*} |
||
| 49 | */ |
||
| 50 | get(key) { |
||
| 51 | if (!this.s) |
||
| 52 | { |
||
| 53 | return null; |
||
| 54 | } |
||
| 55 | |||
| 56 | try |
||
| 57 | { |
||
| 58 | const |
||
| 59 | storageValue = this.s.getItem(CLIENT_SIDE_STORAGE_INDEX_NAME) || null, |
||
| 60 | storageResult = null === storageValue ? null : window.JSON.parse(storageValue); |
||
| 61 | |||
| 62 | return (storageResult && !isUnd(storageResult[key])) ? storageResult[key] : null; |
||
| 63 | } |
||
| 64 | catch (e) {} // eslint-disable-line no-empty |
||
| 65 | |||
| 66 | return null; |
||
| 67 | } |
||
| 68 | |||
| 69 | /** |
||
| 70 | * @returns {boolean} |
||
| 71 | */ |
||
| 72 | static supported() { |
||
| 73 | return isStorageSupported('localStorage'); |
||
| 74 | } |
||
| 75 | } |
||
| 76 | |||
| 78 |
