storage.js ➔ isJson - Code Metrics - nordsoftware/react-starter - Measure and Improve Code Quality continuously with Scrutinizer

storage.js ➔ isJson A
last analyzed 2017-02-27 11:51 UTC

↳ Parent: src/helpers/storage.js

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
c	1
b	0
f	0
nc	2
dl	0
loc	8
rs	9.4285
nop	1

/*eslint no-undef: 0*/

import { get, isString, isUndefined } from 'lodash';
import { debug } from './log';

if (isUndefined(STORAGE_PREFIX)) {

  throw new Error('STORAGE_PREFIX must be set.');
}

/**
 *
 * @param {string} key
 */
export function getStorageItem(key) {
  const [root, ...rest] = key.split('.');
  const item = localStorage.getItem(buildStorageKey(root));

  const value = isJson(item) ? JSON.parse(item) : item;
  return rest.length ? get(value, rest.join('.')) : value;
}

/**
 *
 * @param {string} key
 * @param {*} value
 */
export function setStorageItem(key, value) {
  if (!isString(value)) {
    value = JSON.stringify(value);
  }
  localStorage.setItem(buildStorageKey(key), value);

  debug('storage item set: %s -> %s', key, value);
}

/**
 *
 * @param {string} key
 */
export function removeStorageItem(key) {
  localStorage.removeItem(buildStorageKey(key));

  debug('storage item removed: %s', key);
}

/**
 *
 * @param {string} key
 * @returns {string}
 */
function buildStorageKey(key) {
  return [STORAGE_PREFIX, key].join('.');

}

/**
 *
 * @param {*} value
 * @returns {boolean}
 */
function isJson(value) {
  try {
    JSON.parse(value);
  } catch (e) {
    return false;
  }
  return true;
}


1			/eslint no-undef: 0/
2
3			import { get, isString, isUndefined } from 'lodash';
4			import { debug } from './log';
5
6			if (isUndefined(STORAGE_PREFIX)) {
			0 ignored issues – show Bug introduced 2016-06-30 15:23 UTC by Report Bug Copy Issue Report The variable `STORAGE_PREFIX` seems to be never declared. If this is a global, consider adding a `/** global: STORAGE_PREFIX */` comment. 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. Loading history...
7			throw new Error('STORAGE_PREFIX must be set.');
8			}
9
10			/**
11			*
12			* @param {string} key
13			*/
14			export function getStorageItem(key) {
15			const [root, ...rest] = key.split('.');
16			const item = localStorage.getItem(buildStorageKey(root));
			0 ignored issues – show Bug introduced 2016-06-30 15:23 UTC by Report Bug Copy Issue Report The variable `localStorage` seems to be never declared. If this is a global, consider adding a `/** global: localStorage */` comment. 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. Loading history...
17			const value = isJson(item) ? JSON.parse(item) : item;
18			return rest.length ? get(value, rest.join('.')) : value;
19			}
20
21			/**
22			*
23			* @param {string} key
24			* @param {*} value
25			*/
26			export function setStorageItem(key, value) {
27			if (!isString(value)) {
28			value = JSON.stringify(value);
29			}
30			localStorage.setItem(buildStorageKey(key), value);
			0 ignored issues – show Bug introduced 2016-06-30 15:23 UTC by Report Bug Copy Issue Report The variable `localStorage` seems to be never declared. If this is a global, consider adding a `/** global: localStorage */` comment. 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. Loading history...
31			debug('storage item set: %s -> %s', key, value);
32			}
33
34			/**
35			*
36			* @param {string} key
37			*/
38			export function removeStorageItem(key) {
39			localStorage.removeItem(buildStorageKey(key));
			0 ignored issues – show Bug introduced 2016-06-30 15:23 UTC by Report Bug Copy Issue Report The variable `localStorage` seems to be never declared. If this is a global, consider adding a `/** global: localStorage */` comment. 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. Loading history...
40			debug('storage item removed: %s', key);
41			}
42
43			/**
44			*
45			* @param {string} key
46			* @returns {string}
47			*/
48			function buildStorageKey(key) {
49			return [STORAGE_PREFIX, key].join('.');
			0 ignored issues – show Bug introduced 2016-06-30 15:23 UTC by Report Bug Copy Issue Report The variable `STORAGE_PREFIX` seems to be never declared. If this is a global, consider adding a `/** global: STORAGE_PREFIX */` comment. 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. Loading history...
50			}
51
52			/**
53			*
54			* @param {*} value
55			* @returns {boolean}
56			*/
57			function isJson(value) {
58			try {
59			JSON.parse(value);
60			} catch (e) {
61			return false;
62			}
63			return true;
64			}
65

nordsoftware / react-starter

storage.js ➔ isJson A last analyzed 2017-02-27 11:51 UTC

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storage.js ➔ isJson A
last analyzed 2017-02-27 11:51 UTC