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4 |
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5 | class NamespacedLocalStorage {
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6 | constructor(localStorage, key) {
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7 | this.localStorage = localStorage;
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8 | this.key = key;
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9 | }
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10 | _makeKey(key) {
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11 | return `${this.key}__${key}`;
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12 | }
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13 | getItem(name) {
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14 | return this.localStorage.getItem(this._makeKey(name));
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15 | }
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16 | setItem(name, value) {
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17 | return this.localStorage.setItem(this._makeKey(name), value);
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18 | }
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19 | removeItem(name) {
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20 | return this.localStorage.removeItem(this._makeKey(name));
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21 | }
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22 | }
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23 |
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24 | export default class BrowserPersistence {
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25 | static KEY = 'M2_VENIA_BROWSER_PERSISTENCE';
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26 |
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27 | constructor(localStorage = window.localStorage) {
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28 | this.storage = new NamespacedLocalStorage(
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29 | localStorage,
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30 | this.constructor.KEY || BrowserPersistence.KEY
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31 | );
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32 | }
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33 | getItem(name) {
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34 | const now = Date.now();
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35 | const item = this.storage.getItem(name);
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36 | if (!item) {
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37 | return undefined;
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38 | }
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39 | const { value, ttl, timeStored } = JSON.parse(item);
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40 | if (ttl && now - timeStored > ttl * 1000) {
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41 | this.storage.removeItem(name);
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42 | return undefined;
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43 | }
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44 | return JSON.parse(value);
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45 | }
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46 | setItem(name, value, ttl) {
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47 | const timeStored = Date.now();
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48 | this.storage.setItem(
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49 | name,
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50 | JSON.stringify({
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51 | value: JSON.stringify(value),
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52 | timeStored,
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53 | ttl
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54 | })
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55 | );
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56 | }
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57 | removeItem(name) {
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58 | this.storage.removeItem(name);
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59 | }
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60 | }
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