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Introduction

nvim-highlite is a colorscheme template repository for Neovim 0.5+.

This template's defaults focus on:

1. Compatability with semantic highlighting.
   • I was using colorschemes that often did not provide enough highlight groups to provide distinction between tokens.
2. Visibility in any range of blue-light.
   • I use redshift often, and many colorschemes did not allow for me to see when I had lower color temperatures.

This template's design focuses on:

1. Ease of use and rapid development.
   • New features may simply be integrated with current configurations, rather than rewritten over them.
   • Merging with the upstream repository is simplified by GitHub, allowing you to select what new defaults to add.
   • It provides a large supply of defaults for plugins and programming languages.
     • Define a smaller set of "categorical" highlights (see Neovim's group-name help page) and many more will link automatically.
2. Inversion of Control
   • Changes made to the highlighting algorithm won't affect how you write your colorscheme.
   • New highlight group attributes which are unaccounted for in older versions will simply be ignored without errors due to Lua's tables.

Prerequisites

1. Neovim 0.5+

Installation

Creating Your Own

1. Fork this repository, or clone it with git clone https://github.com/Iron-E/nvim-highlite.
2. Follow the instructions in colors/highlite.vim.
   • If you are on a Unix system, use the setup script like so:

   chmod +x ./setup.sh
   ./setup.sh highlite <colorscheme>

   Where <colorscheme> is the name of your desired colorscheme.
   • If you are on Windows, rename the files manually.

Just The Defaults

1. Install a plugin manager such as vim-plug and use it to "plug" this repository.

   " vim-plug example
   Plug "Iron-E/nvim-highlite"

2. Specify this colorscheme as your default colorscheme in the init.vim:

   " Enable 24-bit color output. Only do this IF your environment supports it.
   " This plugin is fully compatible with 8-bit, 16-bit, and 24-bit colors.
   set termguicolors
   " Use the colorscheme
   colorscheme highlite

Usage

Examples

This repository in itself is an example of how to use nvim-highlite. Aside from this, the following colorschemes are built using nvim-highlite:

• (if you use this, open an issue and I'll add it here!)

As Dependency

Below is an example of how to use nvim-highlite as a dependency.

• See :h highlite-usage for more.

-- Import nvim-highlite
local highlite = require('highlite')

-- First, define some colors
local red = {'#FF0000', 1, 'red'}
local black = {'#000000', 0, 'black'}
local white = {'#FFFFFF', 255, 'white'}

-- Highlight 'Identifier'
highlite.highlight('Identifier', {bg=red, fg=black, style='bold'})

-- Highlight 'Function' conditionally according to background color.
highlite.highlight('Function', {bg=black, fg=red, light={bg=white}})

-- Link 'Example' to 'Identifier'
highlite.highlight('Example', 'Identifier')

-- You can also reference specific attributes of another highlight group.
highlite.highlight('AnotherExample', {bg=highlite.group'SpellBad'.bg, fg=white})

As Template

Below is an example of how to use nvim-highlite as a template.

• See highlite.vim for more.

-- First, define some colors
local red = {'#FF0000', 1, 'red'}
local black = {'#000000', 0, 'black'}
local white = {'#FFFFFF', 255, 'white'}

-- Next define some highlight groups.
local highlight_groups = {
	-- Any field which can be set to "NONE" doesn't need to be set, it will be automatically assumed to be "NONE".
	Identifier = {bg=red, fg=black, style='bold'},
	-- If your colorscheme should respond to multiple background settings, you can do that too:
	Function = {bg=black, fg=red, light={bg=white}},
	--[[ Note that light/dark differentiation is completely optional. ]]

	-- You can also reference specific attributes of another highlight group.
	SomethingElse = function(self) return {fg=self.Identifier.fg, bg=self.Function.bg} end,
}

-- The rest is mostly handled by the template.

FAQ

Why am I receiving E5108: Error executing lua [string ":lua"]:1: module '<colorscheme>' not found?

Ensure your colorscheme's base folder is in Neovim's rtp before sourcing.

What syntax files should I use for X language?

You can either use nvim-treesitter, nvim-polyglot, or one of the following:

Language	Syntax Plugin
ALGOL	sterpe/vim-algol68
C++	bfrg/vim-cpp-modern
Dart	dart-lang/dart-vim-plugin
DTrace	vim-scripts/dtrace-syntax-file
F#	ionide/Ionide-vim
Gas	Shirk/vim-gas
Git	tpope/vim-git
Go	fatih/vim-go
GraphViz	liuchengxu/graphviz
HTML5	othree/html5
i3conf	mboughaba/i3config
JSON	elzr/vim-json
Java	uiiaoo/java-syntax
JavaScript	pangloss/vim-javascript
Julia	JuliaEditorSupport/julia-vim
Kotlin	udalov/kotlin-vim
LESS	groenewege/vim-less
LLVM	rhysd/vim-llvm
Lua	tbastos/vim-lua
Markdown	plasticboy/vim-markdown
MIPS	vim-scripts/mips
Moonscript	leafo/moonscript-vim
PlantUML	aklt/plantuml-syntax
Prettier	prettier/vim-prettier
Python	vim-python/python-syntax
Razor	adamclerk/vim-razor
RST	marshallward/vim-restructuredtext
Ruby	vim-ruby/vim-ruby
SCSS	cakebaker/scss-syntax
SQL	shmup/vim-sql-syntax
Shell	arzg/vim-sh
Stylus	wavded/vim-stylus
SystemD	wgwoods/vim-systemd-syntax
SystemTap	nickhutchinson/vim-systemtap
TOML	cespare/vim-toml
TeX	lervag/vimtex
Ungrammar	Iron-E/vim-ungrammar
VB.NET	vim-scripts/vbnet
Vim Logs	MTDL9/vim-log-highlighting
XML	amadeus/vim-xml
YAML	stephpy/vim-yaml
YATS	HerringtonDarkholme/yats

Contribution

This repository is looking for contributions! The following things are appreciated:

• More default support for plugins, languages, etc.
• Setup scripts for Windows.

If you would like to contribute something, and you aren't sure how, open a ticket! I'd love to help you help me.