rational.nvim

My collection of sensible Neovim default settings.

All options are organized into sections with comments for clarity.

Features

Default Settings

• Mouse support enabled (mouse = 'a')
• Swap files disabled
• Scroll margins: 5 lines vertical, 15 lines horizontal
• Split windows below and to the right
• Completion menu configuration (always show, no auto-select)
• Line wrapping at word boundaries
• Spaces for indentation (2 spaces)
• Visible whitespace characters (tabs, trailing spaces, line endings)
• Cursor line highlighting
• Line numbers displayed
• Status line always visible
• Smart case search (case-insensitive unless uppercase letters are used)
• System clipboard integration (clipboard = 'unnamedplus')
• Minimal diagnostics UI (gutter signs + underlines, no inline text)
• Automatic trailing whitespace trimming on save

Key Bindings

• / - Enable search highlighting when searching
• <leader><cr> - Clear search highlighting
• <S-Tab> (Insert mode) - Tab backwards
• j/k - Move by display lines (works with wrapped text)
• va - Select all text
• </> (Visual mode) - Indent and keep selection
• D - Delete to end of line (consistent with C)
• Y - Yank to end of line (consistent with D and C)

Commands

• :BufOnly / :bo - Close all buffers except the current one

Configuration

You can customize the plugin behavior by setting global variables in your init.lua:

• vim.g.rational_diagnostic_signs (boolean, default: true) - Enable custom LSP diagnostic signs (requires nerd font icons)

Installation

Using vim-plug:

Plug 'lcmen/rational.nvim'