22 lines
651 B
JavaScript
22 lines
651 B
JavaScript
// Helper functions for storing values in localStorage.
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// By default localStorage can store only strings, not objects or other types.
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export default class LocalStorageUtil {
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// Replace old object with the new one.
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static setObject(key, value) {
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localStorage.setItem(key, JSON.stringify(value));
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}
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// Get stored object.
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static getObject(key) {
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let value = localStorage.getItem(key);
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return value && JSON.parse(value);
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}
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// Partially or wholly update stored object.
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static updateObject(key, value) {
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let oldVal = localStorage.getObject(key);
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localStorage.setObject(key, Object.assign(oldVal || {}, value));
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}
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}
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