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dotfiles/home/modules/neovim.nix
T
2026-03-06 14:29:28 +01:00

260 lines
9.5 KiB
Nix

{ config, pkgs, ... }:
let
c = config.theme.colors;
in
{
programs.neovim = {
enable = true;
viAlias = true;
vimAlias = true;
extraPackages = with pkgs; [
lua-language-server
nil
nixfmt
ripgrep
fd
];
# Set mapleader before any plugin config blocks run
extraConfig = ''
let g:mapleader = "\<Space>"
let g:maplocalleader = "\<Space>"
'';
plugins = with pkgs.vimPlugins; [
# ── Core dependencies ──────────────────────────────────────────────
plenary-nvim
nvim-web-devicons
# ── Theme ──────────────────────────────────────────────────────────
gruvbox-nvim
# ── Syntax highlighting ────────────────────────────────────────────
{
plugin = nvim-treesitter.withAllGrammars;
type = "lua";
config = ''
require("nvim-treesitter").setup({
highlight = { enable = true },
indent = { enable = true },
})
'';
}
# ── Completion (must come before lspconfig) ────────────────────────
luasnip
cmp-nvim-lsp
cmp-buffer
cmp-path
cmp_luasnip
{
plugin = nvim-cmp;
type = "lua";
config = ''
local cmp = require("cmp")
local luasnip = require("luasnip")
cmp.setup({
snippet = {
expand = function(args)
luasnip.lsp_expand(args.body)
end,
},
mapping = cmp.mapping.preset.insert({
["<C-Space>"] = cmp.mapping.complete(),
["<C-e>"] = cmp.mapping.abort(),
["<CR>"] = cmp.mapping.confirm({ select = false }),
["<Tab>"] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_next_item()
elseif luasnip.expand_or_jumpable() then
luasnip.expand_or_jump()
else
fallback()
end
end, { "i", "s" }),
["<S-Tab>"] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_prev_item()
elseif luasnip.jumpable(-1) then
luasnip.jump(-1)
else
fallback()
end
end, { "i", "s" }),
}),
sources = cmp.config.sources({
{ name = "nvim_lsp" },
{ name = "luasnip" },
{ name = "buffer" },
{ name = "path" },
}),
})
'';
}
# ── LSP ────────────────────────────────────────────────────────────
{
plugin = nvim-lspconfig;
type = "lua";
config = ''
local capabilities = require("cmp_nvim_lsp").default_capabilities()
vim.api.nvim_create_autocmd("LspAttach", {
callback = function(event)
local map = function(keys, func, desc)
vim.keymap.set("n", keys, func, { buffer = event.buf, desc = desc })
end
map("gd", vim.lsp.buf.definition, "Go to definition")
map("gr", vim.lsp.buf.references, "Find references")
map("K", vim.lsp.buf.hover, "Hover docs")
map("<leader>rn", vim.lsp.buf.rename, "Rename symbol")
map("<leader>ca", vim.lsp.buf.code_action, "Code action")
map("<leader>ld", vim.diagnostic.open_float, "Show diagnostics")
map("<leader>ln", vim.diagnostic.goto_next, "Next diagnostic")
map("<leader>lp", vim.diagnostic.goto_prev, "Prev diagnostic")
end,
})
vim.lsp.config("lua_ls", {
capabilities = capabilities,
settings = {
Lua = {
diagnostics = { globals = { "vim" } },
},
},
})
vim.lsp.enable("lua_ls")
vim.lsp.config("nil_ls", {
capabilities = capabilities,
})
vim.lsp.enable("nil_ls")
'';
}
# ── File explorer ──────────────────────────────────────────────────
{
plugin = nvim-tree-lua;
type = "lua";
config = ''
require("nvim-tree").setup()
vim.keymap.set("n", "<leader>e", "<cmd>NvimTreeToggle<cr>")
'';
}
# ── Statusline ─────────────────────────────────────────────────────
{
plugin = lualine-nvim;
type = "lua";
config = ''
require("lualine").setup({
options = { theme = "gruvbox-material" },
})
'';
}
# ── Buffer tabs ────────────────────────────────────────────────────
{
plugin = bufferline-nvim;
type = "lua";
config = ''
require("bufferline").setup()
vim.keymap.set("n", "<S-l>", "<cmd>BufferLineCycleNext<cr>", { desc = "Next buffer" })
vim.keymap.set("n", "<S-h>", "<cmd>BufferLineCyclePrev<cr>", { desc = "Prev buffer" })
vim.keymap.set("n", "<leader>x", "<cmd>bdelete<cr>", { desc = "Close buffer" })
'';
}
# ── Fuzzy finder ───────────────────────────────────────────────────
{
plugin = telescope-nvim;
type = "lua";
config = ''
local builtin = require("telescope.builtin")
vim.keymap.set("n", "<leader>ff", builtin.find_files, { desc = "Find files" })
vim.keymap.set("n", "<leader>fg", builtin.live_grep, { desc = "Live grep" })
vim.keymap.set("n", "<leader>fb", builtin.buffers, { desc = "Find buffers" })
vim.keymap.set("n", "<leader>fr", builtin.oldfiles, { desc = "Recent files" })
vim.keymap.set("n", "<leader>fs", builtin.grep_string, { desc = "Find word under cursor" })
'';
}
# ── Git ────────────────────────────────────────────────────────────
{
plugin = gitsigns-nvim;
type = "lua";
config = ''
require("gitsigns").setup({
on_attach = function(bufnr)
local gs = require("gitsigns")
local map = function(mode, keys, func, desc)
vim.keymap.set(mode, keys, func, { buffer = bufnr, desc = desc })
end
map("n", "<leader>gn", gs.next_hunk, "Next hunk")
map("n", "<leader>gp", gs.prev_hunk, "Prev hunk")
map("n", "<leader>gh", gs.preview_hunk, "Preview hunk")
map("n", "<leader>gb", gs.blame_line, "Blame line")
map("n", "<leader>gs", gs.stage_hunk, "Stage hunk")
map("n", "<leader>gr", gs.reset_hunk, "Reset hunk")
end,
})
'';
}
# ── Comment toggling ───────────────────────────────────────────────
{
plugin = comment-nvim;
type = "lua";
config = ''require("Comment").setup()'';
}
# ── Indentation guides ─────────────────────────────────────────────
{
plugin = indent-blankline-nvim;
type = "lua";
config = ''require("ibl").setup()'';
}
];
initLua = ''
require("gruvbox").setup({
contrast = "medium",
transparent_mode = false,
})
vim.cmd("colorscheme gruvbox")
vim.opt.number = true
vim.opt.relativenumber = true
vim.opt.tabstop = 2
vim.opt.shiftwidth = 2
vim.opt.expandtab = true
vim.opt.smartindent = true
vim.opt.ignorecase = true
vim.opt.smartcase = true
vim.opt.hlsearch = false
vim.opt.termguicolors = true
vim.opt.signcolumn = "yes"
vim.opt.cursorline = true
vim.opt.scrolloff = 8
vim.opt.wrap = false
vim.opt.splitright = true
vim.opt.splitbelow = true
vim.opt.clipboard = "unnamedplus"
local map = vim.keymap.set
map("n", "<C-h>", "<C-w>h")
map("n", "<C-j>", "<C-w>j")
map("n", "<C-k>", "<C-w>k")
map("n", "<C-l>", "<C-w>l")
map("v", "J", ":m '>+1<cr>gv=gv")
map("v", "K", ":m '<-2<cr>gv=gv")
map("n", "<C-d>", "<C-d>zz")
map("n", "<C-u>", "<C-u>zz")
map("n", "<leader>w", "<cmd>w<cr>")
map("n", "<leader>q", "<cmd>q<cr>")
'';
};
}