How do I customize swipe actions in SwiftyComments?

Use the swipeActionAppearance property to change colors and text, or override the editActionsForRowAt method to append additional SwipeAction instances, as detailed in the Swipe to Hide section of the README. This allows for actions like upvote or reply alongside the default hide action.

SwiftyComments vs building a custom UITableView for nested comments?

SwiftyComments saves significant time by handling indentation, expansion animations, and swipe gestures out-of-the-box, but if you need absolute control over every aspect or have unique non-hierarchical data, a custom implementation might be better. It's ideal for standard Reddit-style comment threads.

How to parse HTML in comments without lag in SwiftyComments?

Avoid using NSAttributedString's HTML parsing due to performance issues; instead, manually parse HTML and build attributed strings, as shown in the HN example with SwiftScanner. This approach reduces load times from 0.15-0.2 seconds to near-instantaneous rendering.

Can I use SwiftyComments with SwiftUI?

Not directly; it's built on UIKit, so you'd need to wrap it in a UIViewControllerRepresentable to integrate with SwiftUI, which adds complexity and might not offer a seamless experience compared to native SwiftUI components.

How to change indentation colors and margins in SwiftyComments?

Set properties like indentationColor, commentMargin, and rootCommentMarginColor on your CommentCell subclass, as explained in the Customize your cell section. This allows per-level customization to match your app's design system.

Does SwiftyComments support real-time comment updates or pagination?

No, it focuses on UI rendering and interaction; you must implement data synchronization, pagination, or real-time updates manually by managing the allComments array and reloading the table view as needed.

SwiftyComments — Hierarchical iOS Comment Threads

What is SwiftyComments?

SwiftyComments is an open-source iOS library that provides a ready-to-use UITableView component for displaying hierarchical comment threads with expand and collapse functionality. It solves the problem of building complex, nested comment interfaces—like those in Reddit or Hacker News—by handling the UI logic, indentation, and animations, allowing developers to focus on customizing the comment content and styling.

Target Audience

iOS developers building apps that require threaded comment sections, such as social platforms, forums, news readers, or any application with user-generated content discussions.

Value Proposition

Developers choose SwiftyComments because it offers a production-ready, customizable component that significantly reduces development time for comment UIs. Its tight integration with UIKit, support for smooth animations, and flexibility in styling make it a robust alternative to building such systems from scratch.

UITableView based component designed to display a hierarchy of expandable/foldable comments.

Use Cases

Best For

Adding Reddit-style nested comment threads to an iOS app
Building a Hacker News or Imgur-like comment section
Implementing expandable/collapsible discussion forums
Creating swipe-to-hide interactions for comment moderation
Displaying hierarchical data with parent-child relationships in UITableView
Handling HTML or attributed text efficiently in comment content

Not Ideal For

iOS projects exclusively using SwiftUI, as it relies on UIKit and UITableView
Apps needing fully pre-styled, out-of-the-box comment sections without custom view implementation
Teams prioritizing minimal dependencies, since it integrates SwipeCellKit for swipe gestures
Projects with flat or non-hierarchical comment data, as it's optimized for nested structures

Pros & Cons

Pros

Efficient Hierarchical Rendering

Leverages UITableView to display nested comments with visual indentation and smooth expand/collapse animations, as shown in the Reddit and Hacker News GIF examples, handling complex parent-child relationships without performance hits.

Highly Customizable Appearance

Offers granular control over indentation colors, margin sizes, indicator lines, and spacing per nesting level through CommentCell properties, allowing designs similar to popular apps like Imgur or Reddit.

Performance-Optimized Text Handling

Provides guidance on efficient attributed string parsing to avoid lag with HTML content, recommending manual parsing over NSAttributedString's HTML option, as demonstrated in the HN example with SwiftScanner.

Swipe Actions with Flexibility

Integrates SwipeCellKit for customizable swipe-to-hide actions, with properties to adjust colors, text, and images, and the ability to add more actions by overriding methods, enhancing moderation features.

Cons

UIKit-Only, No SwiftUI Support

Built solely on UIKit and UITableView, making it incompatible with modern SwiftUI projects without complex bridging, limiting adoption in newer iOS codebases.

Manual Model and Setup Overhead

Requires models to conform to the AbstractComment protocol and custom view implementation for each cell, adding boilerplate code and complexity compared to more abstracted solutions.

Incomplete Features and Bugs

The README admits TODOs like animation issues in iOS 11, lack of state persistence for folded replies, and need for better abstraction, indicating it's not fully polished for all edge cases.

External Dependency for Core Features

Relies on SwipeCellKit for swipe gestures, introducing a third-party dependency that may cause conflicts, require updates, or add bloat for teams avoiding external libraries.

Frequently Asked Questions

What is SwiftyComments?

Target Audience

iOS developers building apps that require threaded comment sections, such as social platforms, forums, news readers, or any application with user-generated content discussions.

Value Proposition

Use Cases

Best For

Adding Reddit-style nested comment threads to an iOS app
Building a Hacker News or Imgur-like comment section
Implementing expandable/collapsible discussion forums
Creating swipe-to-hide interactions for comment moderation
Displaying hierarchical data with parent-child relationships in UITableView
Handling HTML or attributed text efficiently in comment content

Not Ideal For

iOS projects exclusively using SwiftUI, as it relies on UIKit and UITableView
Apps needing fully pre-styled, out-of-the-box comment sections without custom view implementation
Teams prioritizing minimal dependencies, since it integrates SwipeCellKit for swipe gestures
Projects with flat or non-hierarchical comment data, as it's optimized for nested structures

Pros & Cons

Pros

Efficient Hierarchical Rendering

Highly Customizable Appearance

Performance-Optimized Text Handling

Swipe Actions with Flexibility

Cons

UIKit-Only, No SwiftUI Support

Built solely on UIKit and UITableView, making it incompatible with modern SwiftUI projects without complex bridging, limiting adoption in newer iOS codebases.

Manual Model and Setup Overhead

Requires models to conform to the AbstractComment protocol and custom view implementation for each cell, adding boilerplate code and complexity compared to more abstracted solutions.

Incomplete Features and Bugs

The README admits TODOs like animation issues in iOS 11, lack of state persistence for folded replies, and need for better abstraction, indicating it's not fully polished for all edge cases.

External Dependency for Core Features

Relies on SwipeCellKit for swipe gestures, introducing a third-party dependency that may cause conflicts, require updates, or add bloat for teams avoiding external libraries.

Frequently Asked Questions

SwiftyComments

What is SwiftyComments?

Overview

Use Cases

Best For

Not Ideal For

Pros & Cons

Pros

Cons

Frequently Asked Questions

Related Projects

Found a gem we're missing?

SwiftyComments

What is SwiftyComments?

Overview

Use Cases

Best For

Not Ideal For

Pros & Cons

Pros

Cons

Frequently Asked Questions

Related Projects

Found a gem we're missing?