box-cli-maker
A Go library for rendering highly customizable boxes in the terminal with extensive styling and color options.
What is box-cli-maker?
Box CLI Maker is a Go library that generates customizable text boxes for terminal applications. It solves the problem of creating visually structured and styled output in command-line interfaces by providing an intuitive API for border styling, colors, alignment, and content formatting.
Go developers building command-line tools, CLI applications, or terminal-based utilities that require enhanced visual presentation, such as status displays, menus, or formatted logs.
Developers choose Box CLI Maker for its extensive customization options, type-safe API, and robust handling of Unicode, emojis, and colors, all while maintaining compatibility with various terminal environments.
Overview
Render highly customizable boxes in the terminal
Use Cases
Best For
- Creating formatted status or info boxes in CLI tools
- Building terminal-based menus or interactive prompts
- Displaying structured output like logs or reports in the terminal
- Adding visual highlights to command-line application headers
- Generating decorative boxes for CLI documentation or examples
- Enhancing CLI tools with colored and aligned text containers
Not Ideal For
- Projects not written in Go, as it's a Go-specific library with no bindings for other languages.
- CLI tools requiring real-time, animated output like progress bars or spinners, since it only renders static boxes.
- Applications that demand foolproof Unicode/emoji rendering across all terminal emulators and fonts, due to noted rendering inconsistencies.
- Simple scripts or tools where adding a third-party library for basic text formatting introduces unnecessary dependency overhead.
Pros & Cons
Pros
Offers nine built-in styles including Single, Double, and Round, with full support for custom glyphs on all corners and edges, as shown in the detailed styles showcase in the README.
Supports ANSI names, hex codes, and RGB formats for colors, and integrates libraries like `mattn/go-runewidth` for proper width handling of Unicode and emojis, ensuring broad compatibility.
Provides a fluent API with strongly typed enums for styles, alignment, and positions, reducing runtime errors and improving developer experience, especially highlighted in the v3 migration guide.
The Render method validates inputs and returns explicit errors for invalid configurations like negative padding or invalid colors, while MustRender offers a panic-on-error convenience option.
Cons
Rendering quality depends on terminal emulator and font, which can cause misalignment or incorrect display of Unicode and emojis, as admitted in the README's notes on width handling.
Version 3 introduced a completely redesigned API with strongly typed enums, requiring significant migration effort for existing v2 users, as detailed in the migration guide.
Focuses solely on static box rendering without built-in support for dynamic updates, interactive elements, or real-time terminal manipulation, limiting use in complex CLI applications.
Frequently Asked Questions
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