8f9c66ba46
A beautiful TUI for browsing files and reading markdown/code: - Two-pane layout with file tree and content viewer - Markdown rendering via Glamour - Syntax highlighting via Chroma - Auto-detects light/dark terminal theme - Arrow key navigation, Esc to go back - Page Up/Down, Home/End for scrolling Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
115 lines
2.5 KiB
Go
115 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"os"
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"strings"
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tea "github.com/charmbracelet/bubbletea"
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)
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const version = "0.1.0"
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func main() {
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// Parse command line arguments
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rootPath := "."
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themeOverride := ""
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for i := 1; i < len(os.Args); i++ {
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arg := os.Args[i]
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switch {
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case arg == "-h" || arg == "--help":
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printHelp()
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os.Exit(0)
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case arg == "-v" || arg == "--version":
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fmt.Printf("reader v%s\n", version)
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os.Exit(0)
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case arg == "--light":
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themeOverride = "light"
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case arg == "--dark":
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themeOverride = "dark"
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case strings.HasPrefix(arg, "--theme="):
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themeOverride = strings.TrimPrefix(arg, "--theme=")
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case arg == "--save-theme":
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// Save current detected theme
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theme := DetectTheme()
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if err := SaveThemePreference(theme.Name); err != nil {
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fmt.Fprintf(os.Stderr, "Error saving theme: %v\n", err)
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os.Exit(1)
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}
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fmt.Printf("Saved theme preference: %s\n", theme.Name)
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os.Exit(0)
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case !strings.HasPrefix(arg, "-"):
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rootPath = arg
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}
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}
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// Detect or set theme
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var theme Theme
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switch themeOverride {
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case "light":
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theme = LightTheme
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case "dark":
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theme = DarkTheme
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default:
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theme = DetectTheme()
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}
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SetTheme(theme)
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// Verify path exists
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info, err := os.Stat(rootPath)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Error: %v\n", err)
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os.Exit(1)
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}
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// If it's a file, use its parent directory
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if !info.IsDir() {
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rootPath = "."
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}
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// Create and run the program
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p := tea.NewProgram(
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NewModel(rootPath),
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tea.WithAltScreen(),
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tea.WithMouseCellMotion(),
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)
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if _, err := p.Run(); err != nil {
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fmt.Fprintf(os.Stderr, "Error: %v\n", err)
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os.Exit(1)
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}
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}
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func printHelp() {
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help := `reader - A beautiful terminal file browser & markdown viewer
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Usage:
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reader [path] Open at path (default: current directory)
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reader --light Force light theme
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reader --dark Force dark theme
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reader --save-theme Save detected theme as default
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Options:
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-h, --help Show this help
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-v, --version Show version
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--light Use light theme
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--dark Use dark theme
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--save-theme Detect and save theme preference
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Keys:
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↑/↓ Navigate / scroll
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Enter Open file or folder
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←/→ Collapse/expand folders
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Esc Back to file browser
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? Show help
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q Quit
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Theme is auto-detected from your terminal. Override with flags
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or save a preference with --save-theme.
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Config: ~/.config/reader/theme`
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fmt.Println(help)
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}
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