From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Make changes persistent using localStorage

Make changes persistent using localStorage

From the course: Master React 19 and Next.js 16 with Hands-On Projects and Real-World Applications

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Make changes persistent using localStorage

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In this session, you'll learn how to make your to-do list app's changes persistent using local storage. This means that even if you refresh the page, your tasks will remain. We'll achieve this by storing and retrieving your task data from the browser's local storage. Let's create a folder utils inside the src folder and a file localStorageUtils.js inside it. This file will house our functions for interacting with local storage. It's good practice to keep utility functions separate for better code organization and maintainability. According to localStorageUtils.js, let's create a function getStoredTasks() function. This function retrieves tasks from local storage. Let's populate the function. I'm using localStorage.getItem() to retrieve the tasks data, which should be a JSON string. I use the key tasks as that is the one we will use to store tasks in local storage. If tasks are frowned, json.parse converts them back to a JavaScript array. Otherwise, it returns an empty array. This…

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