new nvim config WIP

nvim/lua/config/keymaps.lua

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+-- Keep cursor centered while navigating document
+vim.keymap.set("n", "<C-U>", "<C-U>zz", { silent = true })
+vim.keymap.set("n", "<C-D>", "<C-D>zz", { silent = true })
+
+-- Remap Ctrl + J/K/H/L to navigate between windows
+vim.keymap.set('n', '<C-j>', '<C-w>j', { noremap = true, silent = true })
+vim.keymap.set('n', '<C-k>', '<C-w>k', { noremap = true, silent = true })
+vim.keymap.set('n', '<C-h>', '<C-w>h', { noremap = true, silent = true })
+vim.keymap.set('n', '<C-l>', '<C-w>l', { noremap = true, silent = true })
+
+vim.keymap.set('n', '<C-Right>', ':vertical resize +10<CR>', { noremap = true, silent = true })
+vim.keymap.set('n', '<C-Left>', ':vertical resize -10<CR>', { noremap = true, silent = true })
+vim.keymap.set('n', '<C-Up>',   ':horizontal resize +10<CR>', { noremap = true, silent = true })
+vim.keymap.set('n', '<C-Down>', ':horizontal resize -10<CR>', { noremap = true, silent = true })
+
+-- Remap Shift + H/L to switch between buffers
+vim.keymap.set('n', '<S-h>', ':bprevious<CR>', { noremap = true, silent = true })
+vim.keymap.set('n', '<S-l>', ':bnext<CR>', { noremap = true, silent = true })
+
+vim.keymap.set("v", "<", "<gv")
+vim.keymap.set("v", ">", ">gv")

nvim/lua/config/lazy.lua

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+-- Bootstrap lazy.nvim
+local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
+if not (vim.uv or vim.loop).fs_stat(lazypath) then
+  local lazyrepo = "https://github.com/folke/lazy.nvim.git"
+  local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
+  if vim.v.shell_error ~= 0 then
+    vim.api.nvim_echo({
+      { "Failed to clone lazy.nvim:\n", "ErrorMsg" },
+      { out, "WarningMsg" },
+      { "\nPress any key to exit..." },
+    }, true, {})
+    vim.fn.getchar()
+    os.exit(1)
+  end
+end
+vim.opt.rtp:prepend(lazypath)
+
+-- Make sure to setup `mapleader` and `maplocalleader` before
+-- loading lazy.nvim so that mappings are correct.
+-- This is also a good place to setup other settings (vim.opt)
+vim.g.mapleader = " "
+vim.g.maplocalleader = "\\"
+
+-- Setup lazy.nvim
+require("lazy").setup({
+  spec = {
+    -- import your plugins
+    { import = "plugins" },
+  },
+  -- Configure any other settings here. See the documentation for more details.
+  -- colorscheme that will be used when installing plugins.
+  install = { colorscheme = { "habamax" } },
+  -- automatically check for plugin updates
+  checker = { enabled = false },
+})

nvim/lua/config/options.lua

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+vim.o.clipboard = "unnamedplus"
+vim.g.autoformat = false
+
+vim.opt.number = true
+vim.opt.relativenumber = true
+vim.opt.cursorline = true
+
+vim.opt.tabstop = 2
+vim.opt.shiftwidth = 2
+vim.opt.softtabstop = 2
+vim.opt.expandtab = true
+vim.opt.smartindent = true
+vim.opt.ignorecase = true
+vim.opt.smartcase = false
+vim.opt.incsearch = false
+
+vim.opt.swapfile = false
+vim.opt.backup = false
+vim.opt.undofile = true
+
+vim.o.termguicolors = false
+vim.opt.guicursor = "n-v-c:block,i:block,r:block"
+vim.opt.fillchars = { eob = " " }
+
+vim.cmd([[
+  autocmd FileType python,haskell,c,cpp setlocal tabstop=4 shiftwidth=4 softtabstop=4
+]])
+
+vim.cmd([[
+  au BufRead,BufNewFile *.purs set filetype=purescript
+]])

nvim/lua/plugins/colorscheme.lua

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+return {
+	{
+		"chriskempson/base16-vim",
+		config = function()
+			vim.cmd("colorscheme base16-onedark")
+			vim.cmd([[
+				hi Normal guibg=NONE ctermbg=NONE
+				hi NonText guibg=NONE ctermbg=NONE
+				hi LineNr guibg=NONE ctermbg=NONE
+				hi CursorLine guibg=NONE ctermbg=NONE
+				hi CursorLineNr guibg=NONE ctermbg=NONE guifg=#E5C07B ctermfg=Yellow cterm=bold
+        hi Search ctermfg=Black guifg=#000000 ctermbg=Gray guibg=#FFCC66
+        hi Pmenu ctermbg=Gray ctermfg=Black cterm=NONE guibg=Gray guifg=Black gui=NONE
+        hi PmenuSel ctermbg=Black ctermfg=Green cterm=NONE guibg=Black guifg=Green gui=NONE
+        hi PmenuThumb ctermbg=Green guibg=Green
+        hi PmenuSbar ctermbg=Black guibg=Black
+        hi WinSeparator guibg=NONE ctermbg=NONE
+
+				hi GitGutterChange guibg=NONE ctermbg=NONE
+				hi GitGutterAdd guibg=NONE ctermbg=NONE
+				hi GitGutterDelete guibg=NONE ctermbg=NONE
+        hi SignColumn ctermbg=NONE guibg=NONE
+
+        hi TelescopeSelection guibg=Gray guifg=Green gui=bold ctermbg=Black ctermfg=Green cterm=bold
+        hi TelescopePreviewMatch ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black
+			]])
+
+      vim.api.nvim_create_autocmd("TextYankPost", {
+        callback = function()
+          vim.highlight.on_yank({ higroup = "IncSearch", timeout = 150 })
+        end,
+      })
+		end,
+	}
+}

nvim/lua/plugins/gitsigns.lua

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+return {
+  {
+    "lewis6991/gitsigns.nvim",
+    config = function()
+      require('gitsigns').setup {
+        signs = {
+          add          = { text = '+' },
+          change       = { text = '~' },
+          delete       = { text = '-' },
+          topdelete    = { text = '‾' },
+          changedelete = { text = '~' },
+          untracked    = { text = '┆' },
+        },
+        signs_staged = {
+          add          = { text = '+' },
+          change       = { text = '~' },
+          delete       = { text = '-' },
+          topdelete    = { text = '‾' },
+          changedelete = { text = '~' },
+          untracked    = { text = '┆' },
+        },
+        signs_staged_enable = true,
+        signcolumn = false,  -- Toggle with `:Gitsigns toggle_signs`
+        numhl      = true, -- Toggle with `:Gitsigns toggle_numhl`
+        linehl     = false, -- Toggle with `:Gitsigns toggle_linehl`
+        word_diff  = false, -- Toggle with `:Gitsigns toggle_word_diff`
+        watch_gitdir = {
+          follow_files = true
+        },
+        auto_attach = true,
+        attach_to_untracked = false,
+        current_line_blame = false, -- Toggle with `:Gitsigns toggle_current_line_blame`
+        current_line_blame_opts = {
+          virt_text = true,
+          virt_text_pos = 'eol', -- 'eol' | 'overlay' | 'right_align'
+          delay = 0,
+          ignore_whitespace = false,
+          virt_text_priority = 100,
+        },
+        current_line_blame_formatter = '<author>, <author_time:%R> - <summary>',
+        sign_priority = 6,
+        update_debounce = 100,
+        status_formatter = nil, -- Use default
+        max_file_length = 40000, -- Disable if file is longer than this (in lines)
+        preview_config = {
+          -- Options passed to nvim_open_win
+          border = 'single',
+          style = 'minimal',
+          relative = 'cursor',
+          row = 0,
+          col = 1
+        },
+      }
+      require("which-key").add({
+          { "<leader>Gb", ":Gitsigns toggle_current_line_blame<CR>", desc = "Git blame" }
+      })
+    end
+  }
+}

nvim/lua/plugins/indent-blankline.lua

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+return {
+  {
+    "lukas-reineke/indent-blankline.nvim",
+  }
+}

nvim/lua/plugins/lsp.lua

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+return {
+  {
+    "nvim-treesitter/nvim-treesitter",
+    build = ":TSUpdate",
+    config = function()
+      require('nvim-treesitter.configs').setup {
+        ensure_installed = {
+          "lua",
+          "c",
+          "cpp",
+          "python",
+          "nix",
+          "rust",
+          "bash",
+          "markdown",
+          "html",
+          "javascript",
+          "css",
+
+          "vim",
+
+          "git_config",
+          "git_rebase",
+          "gitattributes",
+          "gitcommit",
+          "gitignore"
+        },
+        auto_install = true,
+        sync_install = true,
+        ignore_install = {},
+      }
+    end
+  },
+
+	{
+		"nvim-treesitter/nvim-treesitter-context",
+		config = function()
+			require("treesitter-context").setup({
+				enable = true, -- Enable this plugin (Can be enabled/disabled later via commands)
+				max_lines = 3, -- How many lines the window should span. Values <= 0 mean no limit.
+				min_window_height = 0, -- Minimum editor window height to enable context. Values <= 0 mean no limit.
+				line_numbers = false,
+				multiline_threshold = 20, -- Maximum number of lines to collapse for a single context line
+				trim_scope = "outer", -- Which context lines to discard if `max_lines` is exceeded. Choices: 'inner', 'outer'
+				mode = "cursor", -- Line used to calculate context. Choices: 'cursor', 'topline'
+				-- Separator between context and content. Should be a single character string, like '-'.
+				-- When separator is set, the context will only show up when there are at least 2 lines above cursorline.
+				separator = "=",
+				zindex = 20, -- The Z-index of the context window
+				on_attach = nil, -- (fun(buf: integer): boolean) rurn false to disable attaching
+			})
+      vim.cmd([[
+        hi TreesitterContext guibg=NONE ctermbg=NONE
+      ]])
+		end,
+	},
+
+  {
+    "neovim/nvim-lspconfig",
+    config = function()
+      require("which-key").add({
+        { "<leader>cl", ":LspInfo<CR>", desc = "LSP Info" },
+      })
+    end
+  },
+
+  {
+    "williamboman/mason.nvim",
+    "williamboman/mason-lspconfig.nvim",
+  },
+
+  {
+	"hrsh7th/nvim-cmp",
+	dependencies = {
+		{
+			"L3MON4D3/LuaSnip",
+			version = "v2.*",
+			build = "make install_jsregexp",
+		}
+  },
+	config = function()
+		local cmp = require("cmp")
+		cmp.setup({
+			enabled = function()
+			  local context = require("cmp.config.context")
+			  if vim.api.nvim_get_mode().mode == "c" then
+			  return true
+			  else
+			    return not context.in_treesitter_capture("comment") and not context.in_syntax_group("comment")
+			  end
+			end,
+			mapping = {
+			  ["<C-p>"] = cmp.mapping.select_prev_item(),
+			  ["<C-n>"] = cmp.mapping.select_next_item(),
+			  ["<C-d>"] = cmp.mapping.scroll_docs(-4),
+			  ["<C-f>"] = cmp.mapping.scroll_docs(4),
+			  ["<C-e>"] = cmp.mapping.abort(),
+			  ["<C-y>"] = cmp.mapping.confirm(),
+			  ["<CR>"] = cmp.mapping(function(fallback)
+			    fallback()
+			  end, { "i", "s" }),
+			}
+		})
+	end
+  },
+}

nvim/lua/plugins/lualine.lua

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+return {
+  {
+    "nvim-lualine/lualine.nvim",
+    dependencies = { "nvim-tree/nvim-web-devicons" },
+    config = function()
+      require("lualine").setup ({
+        options = {
+          icons_enabled = true,
+          theme = 'iceberg_dark',
+          component_separators = { left = '>', right = '|'},
+          section_separators = { left = '', right = ''},
+          disabled_filetypes = {
+            statusline = {},
+            winbar = {},
+          },
+          ignore_focus = {},
+          always_divide_middle = true,
+          globalstatus = true,
+          refresh = {
+            statusline = 1000,
+            tabline = 1000,
+            winbar = 1000,
+          }
+        },
+        sections = {
+          lualine_a = {'mode'},
+          lualine_b = {'branch', 'diff', 'diagnostics'},
+          lualine_c = {'filename'},
+          lualine_x = {'encoding', 'fileformat', 'filetype'},
+          lualine_y = {'progress'},
+          lualine_z = {'location'}
+        },
+        inactive_sections = {
+          lualine_a = {},
+          lualine_b = {},
+          lualine_c = {'filename'},
+          lualine_x = {'location'},
+          lualine_y = {},
+          lualine_z = {}
+        },
+        tabline = {},
+        winbar = {},
+        inactive_winbar = {},
+        extensions = {}
+      })
+    end
+  }
+}

nvim/lua/plugins/neotree.lua

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+return {
+	{
+		"nvim-neo-tree/neo-tree.nvim",
+		dependencies = {
+			"nvim-lua/plenary.nvim",
+			"nvim-tree/nvim-web-devicons", -- not strictly required, but recommended
+			"MunifTanjim/nui.nvim",
+		},
+		config = function()
+			require("neo-tree").setup({
+				window = {
+					position = "left",
+					width = 20,
+				},
+				--filesystem = {
+				--  hijack_netrw_behavior = "disabled",
+				--},
+			})
+      require("which-key").add({
+        { "<leader>e", ":Neotree<CR>", desc = "Neotree" }
+      })
+		end,
+	},
+}

nvim/lua/plugins/telescope.lua

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+return {
+  {
+    "nvim-telescope/telescope.nvim",
+    brach = '0.1.x',
+    dependencies = {
+      {
+        'nvim-lua/plenary.nvim'
+      },
+      {
+        'nvim-tree/nvim-web-devicons'
+      }
+    },
+    config = function()
+      require("which-key").add({
+        { "<leader>/", ":Telescope live_grep<CR>", desc = "grep" },
+        { "<leader>ff", ":Telescope fd<CR>", desc = "Search for Files" },
+        { "<leader>fp", ":Telescope oldfiles<CR>", desc = "Oldfiles" },
+        { "<leader>?", ":Telescope command_history<CR>", desc = "Command History" },
+        { "<leader>cm", ":Telescope man_pages<CR>", desc = "Manpages" },
+
+        -- Code
+        { "<leader>gd", ":Telescope lsp_definitions<CR>", desc = "Go to Definition" },
+        { "<leader>gi", ":Telescope lsp_implementations<CR>", desc = "Go to Implementations" },
+        { "<leader>gt", ":Telescope lsp_type_definitions<CR>", desc = "Go to Type Definition" },
+        { "<leader>cv", ":Telescope treesitter<CR>", desc = "List function names & variables" },
+        { "<leader>ca", ":Telescope diagnostics<CR>", desc = "Code diagnostics" },
+
+        -- Git
+        { "<leader>Gt", ":Telescope git_branches<CR>", desc = "Git Branches" },
+        { "<leader>Gc", ":Telescope git_commits<CR>", desc = "Git Commits" },
+      })
+    end
+  }
+}

nvim/lua/plugins/which-key.lua

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+return {
+	{
+		"folke/which-key.nvim",
+		event = "VeryLazy",
+    opts = {
+      spec = {
+        { "<leader>l", ":Lazy<CR>", desc = "Lazy" },
+        { "<leader>t", "<cmd>:botright new | setlocal nonumber norelativenumber | resize 10 | terminal<CR>", mode = "n", desc = "Open Terminal" },
+
+        --{ "<leader>wd", "<cmd>execute 'bd' | execute 'close'<CR>", desc = "Delete window & buffer" },
+        -- Window & Buffer Management
+        { "<leader>w", group = "Windows"},
+        { "<leader>wc", ":close<CR>", desc = "Close Window" },
+        { "<leader>ws", ":split<CR>", desc = "Horizontal Window Split" },
+        { "<leader>wv", ":vsplit<CR>", desc = "Vertial Window Split" },
+        { "<leader>wm", "<C-w>_", desc = "Maximize Window" },
+
+        { "<leader>b", group = "Buffers"},
+        { "<leader>bd", ":bd<CR>", desc = "Delete Buffer" },
+        { "<leader>bD", "execute 'close'<CR> | <cmd>execute 'bd!'", desc = "Delete Window & Buffer" },
+
+        { "<leader>G", group = "Git"},
+        { "<leader>f", group = "Files"},
+        { "<leader>c", group = "Code"},
+        { "<leader>g", group = "Goto"},
+      },
+    },
+	}
+}