65 lines
1.5 KiB
JavaScript
65 lines
1.5 KiB
JavaScript
/**
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* Dummy implementation of Storage interface with empty methods.
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*/
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class DummyLocalStorage {
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/**
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* Empty function
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*/
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getItem() { }
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/**
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* Empty function
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*/
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setItem() { }
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/**
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* Empty function
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*/
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removeItem() { }
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}
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/**
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* Wrapper class for browser's local storage object.
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*/
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class JitsiLocalStorage extends DummyLocalStorage {
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/**
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* @constructor
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* @param {Storage} storage browser's local storage object.
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*/
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constructor(storage) {
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super();
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this.storage = storage || new DummyLocalStorage();
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}
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/**
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* Returns that passed key's value.
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* @param {string} keyName the name of the key you want to retrieve
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* the value of.
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* @returns {String|null} the value of the key. If the key does not exist,
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* null is returned.
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*/
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getItem(keyName) {
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return this.storage.getItem(keyName);
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}
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/**
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* Adds a key to the storage, or update key's value if it already exists.
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* @param {string} keyName the name of the key you want to create/update.
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* @param {string} keyValue the value you want to give the key you are
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* creating/updating.
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*/
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setItem(keyName, keyValue) {
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return this.storage.setItem(keyName, keyValue);
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}
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/**
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* Remove a key from the storage.
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* @param {string} keyName the name of the key you want to remove.
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*/
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removeItem(keyName) {
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return this.storage.removeItem(keyName);
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}
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}
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export default new JitsiLocalStorage(window.localStorage);
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