refactor neovim, split out init.lua

1 files changed, 62 insertions, 533 deletions

diff --git a/programs/neovim/default.nix b/programs/neovim/default.nix
index fcea6fe..c1ed000 100644
--- a/programs/neovim/default.nix
+++ b/programs/neovim/default.nix
@@ -1,545 +1,74 @@
 {
+  inputs,
   config,
   lib,
   pkgs,
   ...
-}:
-with lib; {
-  options = {
-    neovim = {
-      tabWidth = mkOption {
-        type = types.int;
-        description = "Width of tabes in the editor.";
-        default = 4;
-      };
-      expandTab = mkOption {
-        type = types.bool;
-        description = "If tabs should be expanded to spaces.";
-        default = false;
-      };
+}: let
+  lua_cfg = import ./config.nix {inherit config inputs;};
+  lua = builtins.readFile ./init.lua;
+in {
+  environment.variables.EDITOR = "nvim";
 
-      keys = {
-        leader = mkOption {
-          type = types.str;
-          description = "NeoVIM leader key";
-          default = " ";
-        };
-        noh = mkOption {
-          type = types.str;
-          description = "Keybind to remove active hilighted content.";
-          default = "<leader>h";
-        };
+  home-manager.users.${config.user} = {
+    programs.neovim = {
+      enable = true;
+      viAlias = true;
+      vimAlias = true;
 
-        menus = {
-          # file browser
-          browser = mkOption {
-            type = types.str;
-            description = "Keybind to open file browser.";
-            default = "<leader>e";
-          };
-          # active buffers
-          buffers = mkOption {
-            type = types.str;
-            description = "Keybind to show active buffers.";
-            default = "<leader>fb";
-          };
-          # error list
-          error = mkOption {
-            type = types.str;
-            description = "Keybind to show LSP errors.";
-            default = "<leader>t";
-          };
-          # find files
-          find = mkOption {
-            type = types.str;
-            description = "Keybind to search files in working directory.";
-            default = "<leader>ff";
-          };
-          # grep files
-          grep = mkOption {
-            type = types.str;
-            description = "Keybind to grep files in working directory.";
-            default = "<leader>fg";
-          };
-          # help menu
-          help = mkOption {
-            type = types.str;
-            description = "Keybind to search help menus.";
-            default = "<leader>fh";
-          };
-          # undo tree
-          undo = mkOption {
-            type = types.str;
-            description = "Keybind to view undo tree.";
-            default = "<leader>u";
-          };
-        };
+      extraLuaConfig = ''
+        local config = ${lua_cfg}
 
-        # lsp actions
-        lsp = {
-          hover = mkOption {
-            type = types.str;
-            description = "Keybind to open LSP hover menu on a value.";
-            default = "K";
-          };
-          action = mkOption {
-            type = types.str;
-            description = "Keybind to perform an LSP action on a value.";
-            default = "<leader>la";
-          };
-          references = mkOption {
-            type = types.str;
-            description = "Keybind to view all references of a value.";
-            default = "<leader>lr";
-          };
-          rename = mkOption {
-            type = types.str;
-            description = "Keybind to rename currrent and all references of a value.";
-            default = "<leader>ln";
-          };
-        };
+        ${lua}
+      '';
 
-        # completion
-        cmp = {
-          prev = mkOption {
-            type = types.str;
-            description = "Keybind to select previous value in completion engine.";
-            default = "<C-p>";
-          };
-          next = mkOption {
-            type = types.str;
-            description = "Keybind to select next value in completion engine.";
-            default = "<C-n>";
-          };
-          confirm = mkOption {
-            type = types.str;
-            description = "Keybind to confirm current value in completion engine.";
-            default = "<CR>";
-          };
-          complete = mkOption {
-            type = types.str;
-            description = "Keybind to auto complete using completion engine.";
-            default = "<C-space>";
-          };
-        };
-      };
-
-      # active lsp servers
-      lsps = mkOption {
-        type = with types; listOf str;
-        description = "List of lsp servers to load";
-        default = ["clangd" "zls" "rust_analyzer" "jdtls" "kotlin_language_server"];
-      };
-    };
-  };
-
-  config = {
-    environment.variables.EDITOR = "nvim";
-
-    home-manager.users.${config.user} = {
-      programs.neovim = {
-        enable = true;
-        viAlias = true;
-        vimAlias = true;
-        extraLuaConfig = ''
-
-          --[[ VIM ]]--
-
-          vim.opt.tabstop = ${toString config.neovim.tabWidth}
-          vim.opt.softtabstop = ${toString config.neovim.tabWidth}
-          vim.opt.shiftwidth = ${toString config.neovim.tabWidth}
-          vim.opt.expandtab = ${boolToString config.neovim.expandTab}
-          vim.opt.mouse = "a"
-          vim.opt.clipboard = "unnamedplus"
-          vim.opt.hlsearch = true
-          vim.opt.autoindent = true
-          vim.opt.ttyfast = true
-          vim.opt.number = true
-          vim.opt.relativenumber = true
-          vim.opt.rnu = true
-          vim.opt.swapfile = false
-          vim.opt.fillchars = { eob = " "}
-
-
-          --[[ BUF ]]--
-
-          -- remove trailing whitespace on save
-          vim.api.nvim_create_autocmd({ "BufWritePre" }, {
-          	pattern = { "*" },
-          	command = [[%s/\s\+$//e]],
-          })
-
-          --[[ KEYBINDS ]]--
-
-          -- leader
-
-          vim.g.mapleader = "${config.neovim.keys.leader}"
-          vim.g.maplocalleader = "${config.neovim.keys.leader}"
-          vim.keymap.set("", '<leader>', '<Nop>', { noremap = true, silent = true })
-
-          -- bind helper function
-
-          local function bind(key, action, opts)
-          	opts = opts or {}
-          	vim.keymap.set('n', key, action, opts)
-          end
-
-          -- lsp
-
-          bind("${config.neovim.keys.noh}", vim.cmd.noh)
-
-          vim.api.nvim_create_autocmd('LspAttach', {
-          	desc = 'LSP actions',
-          	callback = function(event)
-          		local opts = {buffer = event.buf}
-          		bind("${config.neovim.keys.lsp.hover}", function() vim.lsp.buf.hover() end, opts)
-          		bind("${config.neovim.keys.lsp.action}", function() vim.lsp.buf.code_action() end, opts)
-          		bind("${config.neovim.keys.lsp.references}", function() vim.lsp.buf.references() end, opts)
-          		bind("${config.neovim.keys.lsp.rename}", function() vim.lsp.buf.rename() end, opts)
-          	end
-          })
-
-        '';
-
-        plugins = with pkgs.vimPlugins; [
-          # Dependencies
-          vim-devicons
-          nvim-web-devicons
-          plenary-nvim
-          # Colorscheme
-          {
-            plugin = base16-nvim;
-            type = "lua";
-            config = ''
-              vim.opt.termguicolors = true
-              vim.g.base16_transparent_background = 1
-
-              local colorscheme = require('base16-colorscheme')
-              colorscheme.setup({
-                base00 = '#${config.theme.colors.bg}',
-                base01 = '#${config.theme.colors.surface.bg}',
-                base02 = '#${config.theme.colors.surface.bg}',
-                base03 = '#${config.theme.colors.bright.white}',
-                base04 = '#${config.theme.colors.bright.black}',
-                base05 = '#${config.theme.colors.fg}',
-                base06 = '#${config.theme.colors.bright.white}',
-                base07 = '#${config.theme.colors.hover.bg}',
-                base08 = '#${config.theme.colors.bright.red}',
-                base09 = '#${config.theme.colors.bright.yellow}',
-                base0A = '#${config.theme.colors.bright.yellow}',
-                base0B = '#${config.theme.colors.bright.green}',
-                base0C = '#${config.theme.colors.bright.cyan}',
-                base0D = '#${config.theme.colors.bright.blue}',
-                base0E = '#${config.theme.colors.bright.magenta}',
-                base0F = '#${config.theme.colors.normal.yellow}',
-              })
-
-              -- make transparent background
-              local colors = {
-                -- Text
-                "Normal", "NormalNC", "NormalFloat",
-                -- Line Numbers
-                "LineNr", "EndOfBuffer", "SignColumn",
-                -- Floating
-                "FloatBorder",
-                -- Mode/Buffer Lines
-                "TabLine", "TabLineFill", "StatusLine",
-              };
-              for _,color in pairs(colors) do
-                vim.api.nvim_set_hl(0, color, { bg = "none" });
-              end
-              -- identifiers should not be colored
-              vim.api.nvim_set_hl(0, "Identifier", { fg = "#${config.theme.colors.fg}" })
-              vim.api.nvim_set_hl(0, "TSVariable", { fg = "#${config.theme.colors.fg}" })
-              -- macro should be colored as a keyword
-              vim.api.nvim_set_hl(0, "TSFuncMacro", { fg = "#${config.theme.colors.bright.magenta}" })
-            '';
-          }
-          # Mode line
-          {
-            plugin = lualine-nvim;
-            type = "lua";
-            config = ''
-              local lualine_theme = require('lualine.themes.base16')
-              lualine_theme.normal.c = { fg = "#${config.theme.colors.fg}" }
-
-              require('lualine').setup {
-                options = {
-                  theme = lualine_theme,
-                  icons_enabled = true,
-                  globalstatus = true,
-                },
-              };
-            '';
-          }
-          # Buffer line
-          {
-            plugin = bufferline-nvim;
-            type = "lua";
-            config = ''
-              require('bufferline').setup {}
-            '';
-          }
-          # File browser
-          {
-            plugin = nvim-tree-lua;
-            type = "lua";
-            config = ''
-              vim.g.loaded_netrw = 1
-              vim.g.loaded_netrwPlugin = 1
-
-              require('nvim-tree').setup {
-                sort = {
-                  sorter = "case_sensitive",
-                },
-                view = {
-                  centralize_selection = true,
-                  signcolumn = "yes",
-                  float = {
-                    enable = true,
-                    quit_on_focus_loss = true,
-                    open_win_config = {
-                      relative = "editor",
-                      border = "rounded",
-                      width = 80,
-                      height = 30,
-                      row = 1,
-                      col = 1,
-                    },
-                  };
-                },
-                renderer = {
-                  group_empty = true,
-                },
-                actions = {
-                  use_system_clipboard = true,
-                  change_dir = {
-                    enable = true,
-                    global = false,
-                    restrict_above_cwd = false,
-                  },
-                  expand_all = {
-                    max_folder_discovery = 300,
-                    exclude = {},
-                  },
-                  file_popup = {
-                	open_win_config = {
-                		col = 1,
-                		row = 1,
-                		relative = "cursor",
-                		border = "shadow",
-                		style = "minimal",
-                	},
-                },
-                open_file = {
-                    quit_on_open = true,
-                	window_picker = {
-                		enable = false,
-                		picker = "default",
-                		chars = "abcdefghijklmnopqrstuvwxyz1234567890",
-                		exclude = {
-                			filetype = { "notify", "lazy", "qf", "diff", "fugitive", "fugitiveblame" },
-                			buftype = { "nofile", "terminal", "help" },
-                		},
-                	}
-                },
-                remove_file = {
-                	close_window = true,
-                },
-                },
-                filters = {
-                  dotfiles = false,
-                },
-                tab = {
-               	sync = {
-               		open = false,
-               		close = false,
-               		ignore = {},
-               	},
-               },
-                git = {
-                  enable = false,
-                },
-               update_cwd = true,
-               respect_buf_cwd = true,
-               update_focused_file = {
-               	enable = true,
-               	update_cwd = true
-               },
-              };
-
-              bind("${config.neovim.keys.menus.browser}", vim.cmd.NvimTreeToggle)
-            '';
-          }
-          # Undo tree
-          {
-            plugin = undotree;
-            type = "lua";
-            config = ''
-              bind("${config.neovim.keys.menus.undo}", vim.cmd.UndotreeToggle)
-            '';
-          }
-          # Trouble (error menu)
-          {
-            plugin = trouble-nvim;
-            type = "lua";
-            config = ''
-              bind("${config.neovim.keys.menus.error}", function() require('trouble').toggle() end)
-            '';
-          }
-          # Telescope (buffers/find/grep/help)
-          {
-            plugin = telescope-nvim;
-            type = "lua";
-            config = ''
-              local telescope = require('telescope.builtin')
-              bind("${config.neovim.keys.menus.buffers}", telescope.buffers)
-              bind("${config.neovim.keys.menus.find}", telescope.find_files)
-              bind("${config.neovim.keys.menus.grep}", telescope.live_grep)
-              bind("${config.neovim.keys.menus.help}", telescope.help_tags)
-              vim.api.nvim_set_hl(0, 'TelescopeNormal', { bg = "none" })
-              vim.api.nvim_set_hl(0, 'TelescopeBorder', { bg = "none" })
-              vim.api.nvim_set_hl(0, 'TelescopeResultsTitle', { bg = "none" })
-              vim.api.nvim_set_hl(0, 'TelescopePromptTitle', { bg = "none" })
-              vim.api.nvim_set_hl(0, 'TelescopePreviewTitle', { bg = "none" })
-              vim.api.nvim_set_hl(0, 'TelescopePromptNormal', { bg = "none" })
-              vim.api.nvim_set_hl(0, 'TelescopePromptBorder', { bg = "none" })
-            '';
-          }
-          # Snippets
-          vim-vsnip
-          vim-vsnip-integ
-          friendly-snippets
-          # Completion
-          cmp-buffer
-          cmp-nvim-lsp
-          cmp-vsnip
-          {
-            plugin = nvim-cmp;
-            type = "lua";
-            config = ''
-              local cmp = require('cmp');
-              local cmp_select = {behavior = cmp.SelectBehavior.select}
-              local cmp_mappings = cmp.mapping.preset.insert({
-              	["${config.neovim.keys.cmp.prev}"] = cmp.mapping.select_prev_item(cmp_select),
-              	["${config.neovim.keys.cmp.next}"] = cmp.mapping.select_next_item(cmp_select),
-              	["${config.neovim.keys.cmp.confirm}"] = cmp.mapping.confirm({ select = true }),
-              	["${config.neovim.keys.cmp.complete}"] = cmp.mapping.complete(),
-              })
-
-              cmp_mappings['<Tab>'] = nil
-              cmp_mappings['<S-Tab>'] = nil
-
-              cmp.setup {
-                snippet = {
-                  expand = function(args)
-                    vim.fn["vsnip#anonymous"](args.body)
-                  end,
-                },
-                sources = cmp.config.sources {
-                  { name = 'nvim_lsp' },
-                  { name = 'vsnip' },
-                  { name = 'buffer' },
-                },
-                mapping = cmp_mappings,
-              }
-            '';
-          }
-          # Sourround delimiters
-          {
-            plugin = nvim-surround;
-            type = "lua";
-            config = ''
-              require('nvim-surround').setup {}
-            '';
-          }
-          # Comment functions
-          nerdcommenter
-          # Treesitter
-          nvim-treesitter.withAllGrammars
-          # Syntax hilighting
-          {
-            plugin = vim-illuminate;
-            type = "lua";
-            config = ''
-              require('illuminate').configure {
-                providers = {
-                  'lsp',
-                  'treesitter',
-                  'regex',
-                },
-              }
-            '';
-          }
-          # Todo comments
-          {
-            plugin = todo-comments-nvim;
-            type = "lua";
-            config = ''
-              require('todo-comments').setup()
-            '';
-          }
-          # Lsp server
-          {
-            plugin = nvim-lspconfig;
-            type = "lua";
-            config = let
-              lspConfigs =
-                map (server: ''
-                  lspconfig["${server}"].setup({
-                    capabilities = capabilities
-                  })
-                '')
-                config.neovim.lsps;
-            in ''
-              local lspconfig = require('lspconfig')
-              local capabilities = require'cmp_nvim_lsp'.default_capabilities()
-              ${lib.concatStrings lspConfigs}
-
-              vim.diagnostic.config {
-                virtual_lines = true
-              }
-            '';
-          }
-          # Notifications
-          {
-            plugin = fidget-nvim;
-            type = "lua";
-            config = ''
-              require("fidget").setup {
-              	notification = {
-              		window = {
-              			winblend = 0,
-              		},
-              	},
-              }
-            '';
-          }
-          # Auto indentation
-          {
-            plugin = indent-o-matic;
-            type = "lua";
-            config = ''
-              require('indent-o-matic').setup {
-                max_lines = 2048,
-                standard_widths = { 2, 4, 8 },
-                skip_multiline = true,
-              };
-            '';
-          }
-          # 80 column width
-          {
-            plugin = virt-column-nvim;
-            type = "lua";
-            config = ''
-              require('virt-column').setup {
-              	enabled = true,
-              	virtcolumn = "80"
-              }
-            '';
-          }
-        ];
-      };
+      plugins = with pkgs.vimPlugins; [
+        # Dependencies
+        vim-devicons
+        nvim-web-devicons
+        plenary-nvim
+        # Colorscheme
+        base16-nvim
+        # Mode line
+        lualine-nvim
+        # Buffer line
+        bufferline-nvim
+        # File browser
+        nvim-tree-lua
+        # Undo tree
+        undotree
+        # Trouble (error menu)
+        trouble-nvim
+        # Telescope (buffers/find/grep/help)
+        telescope-nvim
+        # Snippets
+        vim-vsnip
+        vim-vsnip-integ
+        friendly-snippets
+        # Completion
+        cmp-buffer
+        cmp-nvim-lsp
+        cmp-vsnip
+        nvim-cmp
+        # Sourround delimiters
+        nvim-surround
+        # Comment functions
+        nerdcommenter
+        # Treesitter
+        nvim-treesitter.withAllGrammars
+        # Syntax hilighting
+        vim-illuminate
+        # Todo comments
+        todo-comments-nvim
+        # Lsp server
+        nvim-lspconfig
+        # Notifications
+        fidget-nvim
+        # Auto indentation
+        indent-o-matic
+        # 80 column width
+        virt-column-nvim
+      ];
     };
   };
 }