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mcauley-penney/tidy.nvim

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tidy.nvim 🧹

tidy.nvim removes trailing white space and empty lines at EOF on save.

tidy

Requirements

  • Neovim >= 0.9.0

It may work on lower versions, but is tested and updated using nightly.

Installation and Configuration

To install tidy.nvim with the default configuration using lazy.nvim, do:

{
    "mcauley-penney/tidy.nvim",
    config = true,
}

tidy.nvim comes with the following defaults:

{
  enabled_on_save = true
  filetype_exclude = {}  -- Tidy will not be enabled for any filetype, e.g. "diff", in this table
  only_modified_lines = false,
  provide_undefined_editorconfig_behavior = false,
}

EditorConfig Integration

If your project uses .editorconfig, tidy.nvim will respect the trim_trailing_whitespace setting. When this option is explicitly set, the plugin will defer to it and skip trimming.

However, if .editorconfig is present but the option is not defined, tidy.nvim will not trim whitespace by default. This is done because we expect that you do not want trailing whitespace trimmed if you have not defined this setting in your existing .editorconfig file. This can make it seem like the plugin has stopped working, but it has not. To override this behavior, set provide_undefined_editorconfig_behavior = true in your config. This setting will make tidy trim whitespace even if .editorconfig exists and does not hae the trim_trailing_whitespace setting.

Functions

tidy.nvim also comes with the following functions, which may be mapped:

Lua Description
require("tidy").toggle() Turn tidy.nvim off for the current buffer
require("tidy").run() Run the formatting functionality of tidy.nvim off without saving

A more full example configuration for lazy.nvim would be:

{
    "mcauley-penney/tidy.nvim",
    opts = {
        enabled_on_save = false
        filetype_exclude = { "markdown", "diff" }
    },
    init = function()
        vim.keymap.set('n', "<leader>tt", require("tidy").toggle, {})
        vim.keymap.set('n', "<leader>tr", require("tidy").run, {})
    end
}

About and Credits

I originally wrote this as a wrapper around a couple of vim regex commands used for formatting files before I began using formatters. These commands are not mine, please see the sources below. Even with real formatters in my setup now, I still like and use this because I like these specific formats to be applied to every buffer and don't want to have a formatting tool installed for them.