useSettings

This document provides an overview of the useSettings hook implemented in the useSettings.ts file. This hook is designed to interface with a SQLite database to fetch and update settings managed by your application.

Overview

The useSettings hook is a custom React hook that provides functionalities to:

• Fetch settings from the SQLite database.
• Update existing settings.
• Automatically reload settings when they are imported.

Table of Contents

1. Installation
2. Usage . API
3. Example
4. Dependencies

Installation

To utilize the useSettings hook, ensure that the necessary packages are installed in your project.

Usage

Import the useSettings hook into your component to manage application settings effectively.

import { useSettings } from "./useSettings";

API

The hook returns an object containing the following properties and methods:

Property/Method	Type	Description
loading	boolean	Indicates whether the settings are being fetched or updated.
settings	ISettings	The current settings fetched from the database.
updateSetting	function	Updates a specific setting in the database. Accepts a parameter of type ISetting.
reloadSettings	function	Reloads the settings from the database.

Methods

updateSetting(setting: ISetting)

• Description: Updates a given setting in the database.
• Parameters:
  • setting: An object conforming to the ISetting interface.

reloadSettings()

• Description: Fetches the latest settings from the database, ensuring the local state is updated.

Example

Here's a simple example demonstrating how to use the useSettings hook:

import React from "react";
import { useSettings } from "./useSettings";

function SettingsComponent() {
  const { loading, settings, updateSetting, reloadSettings } = useSettings();

  if (loading) {
    return <div>Loading...</div>;
  }

  return (
    <div>
      <h1>Settings</h1>
      <pre>{JSON.stringify(settings, null, 2)}</pre>
      <button onClick={reloadSettings}>Reload Settings</button>
    </div>
  );
}

Dependencies

The useSettings hook relies on the following packages:

• React: To manage state and lifecycle methods.
• @shared/interfaces: For type definitions of ISettings and ISetting interfaces.

Events Listening

The hook listens for settings import events, ensuring the UI is always in sync with the latest data.

• Event: onImportedSettings
  • Description: Triggers a settings reload when settings are imported.

Lifecycle

• Mounting: Fetches all settings when the component is first mounted.
• Updating: Listens to and updates upon settings import.

With this setup, the useSettings hook provides a robust solution for managing application settings, ensuring they are always in sync with the database and providing an easy interface for updates.