Syntax - Tasty Web Development Treats

861: Local Data: Sqlite, LocalStorage, Session, Cookies and IndexDB

Dec 16, 2024

Dive into the intricacies of local data storage with a focus on Sqlite, LocalStorage, and Cookies. Discover how to enhance user experience and manage offline data with practical examples like user settings and auth tokens. Learn about the pros and cons of each storage method, from privacy concerns to performance considerations. The conversation also touches on modern tools like Dexie and PGLite that streamline data management. Plus, get insights into future technologies like WebAssembly for better data handling!

24:58

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Quick takeaways

Local data storage enhances user experience by enabling immediate access to preferences and offline interactions without constant server communication.

Different methods of local storage, such as Cookies and IndexedDB, serve distinct purposes, optimizing data management and privacy concerns.

Deep dives

The Importance of Local Data Storage

Local data storage is crucial for enhancing user experience in applications. It facilitates the immediate access of user preferences, such as playback settings on a course platform, without requiring constant communication with a server. Storing user data locally can also allow users to interact with applications before creating an account or syncing to a backend, improving the initial user engagement. Privacy concerns are addressed by performing operations, like background removal, entirely within the browser, eliminating the need to share sensitive data with external services.

Intro

2min

Local Data Storage in Web Applications

6min

Exploring Web Storage Solutions

7min

Exploring SQLite and PGLite in the Browser with Web Assembly

2min

Mastering Client-Side Data Management

8min

Scott and Wes dive into the world of local data storage, breaking down the pros and cons of Sqlite, LocalStorage, SessionStorage, Cookies, and IndexedDB. They cover real-world use cases like user settings, offline data, and auth tokens, while sharing their favorite tools and strategies for keeping your data fast and secure.

Show Notes

00:00 Welcome to Syntax!
00:30 Brought to you by Sentry.io.
01:43 Why store data locally.
- 01:55 User preferences and settings.
- 02:50 Not logged in state (shopping carts, etc).
- 03:30 Data for faster loading.
- 03:51 Privacy concerns.
- 04:25 Large files or drafts.
- 05:50 Auth tokens.
07:08 Where to store data.
- 07:11 Cookies.
- 07:48 Local storage.
- 09:15 Session storage.
- 10:35 IndexedDB.
12:15 BYOJS Storage.
13:41 SQlite via WASM.
14:12 Penalties of SQLite in browser via WASM.
15:29 PGLite.
16:23 Dealing with migrations.
16:55 The advantages of the approach.
18:42 Dexie.
19:59 Patch messages.
21:25 A few options.
- TinyBase Docs.
- Local First Web.