nordsoftware /
react-starter
| Total Complexity | 10 |
| Complexity/F | 2 |
| Lines of Code | 62 |
| Function Count | 5 |
| Duplicated Lines | 0 |
| Ratio | 0 % |
| Changes | 2 | ||
| Bugs | 0 | Features | 0 |
| 1 | /*eslint no-undef: 0*/ |
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| 3 | import { get, isString, isUndefined } from 'lodash'; |
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| 4 | import { debug } from './log'; |
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| 5 | |||
| 6 | if (isUndefined(STORAGE_PREFIX)) { |
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| 7 | throw new Error('STORAGE_PREFIX must be set.'); |
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| 8 | } |
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| 9 | |||
| 10 | /** |
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| 11 | * |
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| 12 | * @param {string} key |
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| 13 | */ |
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| 14 | export function getStorageItem(key) { |
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| 15 | const [root, ...rest] = key.split('.'); |
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| 16 | const item = localStorage.getItem(buildStorageKey(root)); |
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| 17 | const value = isJson(item) ? JSON.parse(item) : item; |
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| 18 | return rest.length ? get(value, rest.join('.')) : value; |
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| 19 | } |
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| 20 | |||
| 21 | /** |
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| 22 | * |
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| 23 | * @param {string} key |
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| 24 | * @param {*} value |
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| 25 | */ |
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| 26 | export function setStorageItem(key, value) { |
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| 27 | if (!isString(value)) { |
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| 28 | value = JSON.stringify(value); |
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| 29 | } |
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| 30 | localStorage.setItem(buildStorageKey(key), value); |
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| 31 | debug('storage item set: %s -> %s', key, value); |
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| 32 | } |
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| 33 | |||
| 34 | /** |
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| 35 | * |
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| 36 | * @param {string} key |
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| 37 | */ |
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| 38 | export function removeStorageItem(key) { |
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| 39 | localStorage.removeItem(buildStorageKey(key)); |
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| 40 | debug('storage item removed: %s', key); |
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| 41 | } |
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| 42 | |||
| 43 | /** |
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| 44 | * |
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| 45 | * @param {string} key |
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| 46 | * @returns {string} |
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| 47 | */ |
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| 48 | function buildStorageKey(key) { |
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| 49 | return [STORAGE_PREFIX, key].join('.'); |
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| 50 | } |
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| 51 | |||
| 52 | /** |
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| 53 | * |
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| 54 | * @param {*} value |
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| 55 | * @returns {boolean} |
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| 56 | */ |
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| 57 | function isJson(value) { |
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| 58 | try { |
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| 59 | JSON.parse(value); |
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| 60 | } catch (e) { |
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| 61 | return false; |
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| 62 | } |
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| 63 | return true; |
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| 64 | } |
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| 65 |
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This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.