Question 1

How to use lowdb with TypeScript for type-safe data?

Accepted Answer

Define a TypeScript type for your data and pass it to presets like JSONPreset; for example, type Data = { messages: string[] } ensures only strings can be pushed to the messages array, catching errors at compile time.

Question 2

lowdb vs JSON file directly: which is better?

Accepted Answer

lowdb adds structure, type safety, and atomic writes over raw JSON files, making it safer for persistent data, but if you only need simple read/write without these features, direct JSON might suffice with less overhead.

Question 3

How to encrypt data with lowdb?

Accepted Answer

Create a custom adapter using DataFile with encryption logic in parse and stringify functions; for instance, integrate a library like crypto to encrypt JSON.stringify output before writing to storage.

Question 4

Can lowdb handle large datasets efficiently?

Accepted Answer

No, it struggles with large datasets (~10-100MB) due to full serialization on writes, as noted in limits; for better performance, use batch operations or consider a database like SQLite for scalability.

Question 5

How to integrate lodash with lowdb for advanced queries?

Accepted Answer

Extend the Low class with a chain field using lodash, as shown in the Lodash example, allowing methods like find and filter, but remember to call value() to execute the chain.

Question 6

Is lowdb suitable for production use?

Accepted Answer

Only for lightweight, single-user applications like prototypes or tools; its file-based nature and performance limits make it risky for production systems requiring reliability, concurrency, or large data handling.

Lowdb

What is Lowdb?

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