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webext-options-sync

MITTypeScriptv4.3.0

A JavaScript library for managing and autosaving WebExtension options with built-in migrations and form synchronization.

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158 stars12 forks0 contributors

What is webext-options-sync?

webext-options-sync is a JavaScript library that helps developers manage configuration options in browser extensions. It automates the process of saving, loading, and synchronizing options between storage and UI forms, and includes tools for handling option migrations during extension updates. It solves the problem of writing repetitive boilerplate code for options management in WebExtensions.

Target Audience

Browser extension developers working with Chrome, Firefox, or other WebExtensions-compatible browsers who need a robust solution for handling user preferences and settings.

Value Proposition

Developers choose webext-options-sync because it drastically reduces the amount of custom storage logic needed, provides built-in form synchronization and migration handling, and is specifically tailored for the WebExtensions ecosystem with a simple, promise-based API.

Overview

Helps you manage and autosave your extension's options.

Use Cases

Best For

  • Adding autosave functionality to extension options pages
  • Managing default values and migrations for extension updates
  • Synchronizing form inputs with Chrome storage automatically
  • Implementing import/export features for extension settings
  • Handling option changes across background and content scripts
  • Reducing boilerplate code in WebExtensions projects

Not Ideal For

  • Extensions using modern UI frameworks (e.g., React, Vue) with custom component-based forms
  • Projects requiring real-time, multi-user synchronization or server-side option storage
  • Developers needing fine-grained control over storage serialization or non-JSON data formats
  • Extensions with minimal options (e.g., a single toggle) where adding a library introduces unnecessary complexity

Pros & Cons

Pros

Automatic Form Synchronization

Automatically loads saved options into HTML forms and saves user changes with debounced input events, eliminating manual event handling boilerplate as described in the README.

Built-in Migration System

Provides a framework for defining migration functions that run on extension updates, ensuring backward compatibility and clean option transformations without manual intervention.

Cross-Context Consistency

Works seamlessly across background scripts and content scripts with a promise-based API, simplifying option access and synchronization across extension contexts.

Import/Export Utilities

Includes ready-made methods for exporting options to JSON files and importing them back, with automatic UI binding for export/import buttons, reducing custom implementation work.

Cons

Storage Quota Limitations

Inherits Chrome storage's strict quotas and JSON serialization constraints, which can cause save errors for extensions with large or complex option sets, as noted in the API documentation.

HTML Form Dependency

Relies heavily on standard HTML form elements and name attributes, making it inflexible for extensions using custom UI components or non-form-based options interfaces.

Setup Complexity for Simple Use

The advanced usage requires multiple script files and manifest.json edits, which can be overkill for trivial storage needs, adding initial setup overhead compared to manual storage handling.

Frequently Asked Questions

Quick Stats

Stars158
Forks12
Contributors0
Open Issues1
Last commit1 year ago
CreatedSince 2016

Tags

#browser-extension#javascript-library#webext#extension-development#webextensions#migration-tool#configuration-management

Built With

J
JavaScript
W
WebExtensions API

Links & Resources

Website

Included in

WebExtensions1.5k
Auto-fetched 18 hours ago

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