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const CHROME_STORAGE_KEY_PREFIX = 'AmplifyStorage-'; |
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/** |
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* Enumerate all relevant key-value items in chrome.storage.local. |
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* @param operator - operator to apply on items |
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*/ |
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function enumerateItems(operator) { |
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chrome.storage.local.get(null, (items) => { |
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const chromeStorageKeys = Object.keys(items).filter((key) => key.startsWith(CHROME_STORAGE_KEY_PREFIX)); |
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chrome.storage.local.get(chromeStorageKeys, (items => { |
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// items is an object which has key-value. |
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// Each key has a prefix, and you need to remove it if you want to access on-memory cache. |
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operator(items); |
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})); |
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}); |
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} |
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export default class SharedAuthStorage { |
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static syncPromise: Promise<void> | null = null; |
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static cache = new Map(); |
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static setItem(key:string, value:string) { |
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chrome.storage.local.set({[CHROME_STORAGE_KEY_PREFIX + key]: value}); |
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SharedAuthStorage.cache.set(key, value); |
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} |
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static getItem(key:string) { |
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let value = null; |
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if (SharedAuthStorage.cache.has(key)) { |
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value = SharedAuthStorage.cache.get(key); |
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} |
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return value; |
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} |
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static removeItem(key: string) { |
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chrome.storage.local.remove(CHROME_STORAGE_KEY_PREFIX + key); |
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SharedAuthStorage.cache.delete(key); |
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} |
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static sync() { |
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if (!SharedAuthStorage.syncPromise) { |
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SharedAuthStorage.syncPromise = new Promise<void>((res) => { |
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enumerateItems(items => { |
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for (const [chromeStorageKey, value] of Object.entries(items)) { |
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const key = chromeStorageKey.replace(CHROME_STORAGE_KEY_PREFIX, ''); |
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SharedAuthStorage.cache.set(key, value); |
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} |
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res(); |
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}); |
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}); |
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} |
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return SharedAuthStorage.syncPromise; |
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} |
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} |
