nvim: cleanup configuration

files/nvim/.config/nvim/init.lua

@@ -1,11 +1,12 @@
--- Make sure to update packer with `:PackerInstall` and `:PackerSync`
--- Treesitter with `:TSUpdate` after every nvim update.
--- LSP with `:LSPInstall`, log with `:LSPInfo`
---
--- Rollback possible with packer.nvim
--- Always create a snapshot BEFORE upgrading, so we can rollback if we find sth
--- `:PackerSnapshot YEAR-MONTH-DAY
--- Location: ~/.cache/nvim/packer.nvim
+-- NOTE: Make sure to update packer with `:PackerInstall` and `:PackerSync`
+
+-- NOTE: Update Treesitter with `:TSUpdate` after every nvim update
+
+-- NOTE: Install LSP with `:LSPInstall`, log with `:LSPInfo`
+
+-- NOTE: Rollback possible with packer.nvim:
+--       Always create a snapshot BEFORE upgrading `:PackerSnapshot YEAR-MONTH-DAY`
+--       Location: ~/.cache/nvim/packer.nvim
 
 -- This must be loaded first
 vim.cmd("set termguicolors")

files/nvim/.config/nvim/lua/icons.lua

@@ -1,207 +0,0 @@
-local M = {}
-
-M.lspkind = {
-   Namespace = "",
-   Text = " ",
-   Method = " ",
-   Function = " ",
-   Constructor = " ",
-   Field = "ﰠ ",
-   Variable = " ",
-   Class = "ﴯ ",
-   Interface = " ",
-   Module = " ",
-   Property = "ﰠ ",
-   Unit = "塞 ",
-   Value = " ",
-   Enum = " ",
-   Keyword = " ",
-   Snippet = " ",
-   Color = " ",
-   File = " ",
-   Reference = " ",
-   Folder = " ",
-   EnumMember = " ",
-   Constant = " ",
-   Struct = "פּ ",
-   Event = " ",
-   Operator = " ",
-   TypeParameter = " ",
-   Table = "",
-   Object = " ",
-   Tag = "",
-   Array = "[]",
-   Boolean = " ",
-   Number = " ",
-   Null = "ﳠ",
-   String = " ",
-   Calendar = "",
-   Watch = " ",
-   Package = "",
-}
-
-M.statusline_separators = {
-   default = {
-      left = "",
-      right = " ",
-   },
-
-   round = {
-      left = "",
-      right = "",
-   },
-
-   block = {
-      left = "█",
-      right = "█",
-   },
-
-   arrow = {
-      left = "",
-      right = "",
-   },
-}
-
-M.devicons = {
-   default_icon = {
-      icon = "",
-      name = "Default",
-   },
-
-   c = {
-      icon = "",
-      name = "c",
-   },
-
-   css = {
-      icon = "",
-      name = "css",
-   },
-
-   deb = {
-      icon = "",
-      name = "deb",
-   },
-
-   Dockerfile = {
-      icon = "",
-      name = "Dockerfile",
-   },
-
-   html = {
-      icon = "",
-      name = "html",
-   },
-
-   jpeg = {
-      icon = "",
-      name = "jpeg",
-   },
-
-   jpg = {
-      icon = "",
-      name = "jpg",
-   },
-
-   js = {
-      icon = "",
-      name = "js",
-   },
-
-   kt = {
-      icon = "󱈙",
-      name = "kt",
-   },
-
-   lock = {
-      icon = "",
-      name = "lock",
-   },
-
-   lua = {
-      icon = "",
-      name = "lua",
-   },
-
-   mp3 = {
-      icon = "",
-      name = "mp3",
-   },
-
-   mp4 = {
-      icon = "",
-      name = "mp4",
-   },
-
-   out = {
-      icon = "",
-      name = "out",
-   },
-
-   png = {
-      icon = "",
-      name = "png",
-   },
-
-   py = {
-      icon = "",
-      name = "py",
-   },
-
-   ["robots.txt"] = {
-      icon = "ﮧ",
-      name = "robots",
-   },
-
-   toml = {
-      icon = "",
-      name = "toml",
-   },
-
-   ts = {
-      icon = "ﯤ",
-      name = "ts",
-   },
-
-   ttf = {
-      icon = "",
-      name = "TrueTypeFont",
-   },
-
-   rb = {
-      icon = "",
-      name = "rb",
-   },
-
-   rpm = {
-      icon = "",
-      name = "rpm",
-   },
-
-   vue = {
-      icon = "﵂",
-      name = "vue",
-   },
-
-   woff = {
-      icon = "",
-      name = "WebOpenFontFormat",
-   },
-
-   woff2 = {
-      icon = "",
-      name = "WebOpenFontFormat2",
-   },
-
-   xz = {
-      icon = "",
-      name = "xz",
-   },
-
-   zip = {
-      icon = "",
-      name = "zip",
-   },
-}
-
-return M

files/nvim/.config/nvim/lua/mappings.lua

@@ -24,23 +24,23 @@ telescope.setup({
     }
   }
 })
-map("n", "<C-f>", "<cmd> Telescope git_files <CR>", default_opts) -- Show files
-map("n", "<C-s>", "<cmd> Telescope live_grep<CR>", default_opts) -- Grep through current directory
-map("n", "<C-k>", "<cmd> Telescope keymaps<CR>", default_opts) -- Show all keys
+map("n", "<C-f>", "<cmd> Telescope git_files <CR>", default_opts)
+map("n", "<C-s>", "<cmd> Telescope live_grep<CR>", default_opts)
+map("n", "<C-k>", "<cmd> Telescope keymaps<CR>", default_opts)
 
--- Telescope + LSP
-map("n", "<leader>la", "<cmd> lua vim.lsp.buf.code_action()<CR>", default_opts) -- Apply LSP code action
-map("n", "<leader>ld", "<cmd> Telescope lsp_definitions<CR>", default_opts) -- Show all LSP definitions (or jump if only 1)
-map("n", "<leader>le", "<cmd> Telescope diagnostics<CR>", default_opts) -- Show errors and warnings
-map("n", "<leader>lf", "<cmd> lua vim.lsp.buf.format {async = true }<CR>", default_opts) -- Format buffer with LSP
-map("n", "<leader>lh", "<cmd> lua vim.lsp.buf.hover()<CR>", default_opts) -- Show info of symbol (double tap to enter)
-map("i", "<C-h>", "<cmd> lua vim.lsp.buf.signature_help()<CR>", default_opts) -- Show function signature
-map("n", "<C-h>", "<cmd> lua vim.lsp.buf.signature_help()<CR>", default_opts) -- Show function signature
-map("n", "<leader>ln", "<cmd> lua vim.lsp.buf.rename()<CR>", default_opts) -- Rename LSP symbol
-map("n", "<leader>lr", "<cmd> Telescope lsp_references<CR>", default_opts) -- Show all LSP references
-map("n", "<leader>ls", "<cmd> Telescope lsp_workspace_symbols<CR>", default_opts) -- Search for LSP symbols
-map("n", "<leader>lt", "<cmd> TodoTelescope<CR>", default_opts) -- Show all TODOs in a project
-map("n", "<leader>lp", "<cmd> call SVED_Sync()<CR>", default_opts) -- synctex
+-- LSP
+map("n", "<leader>la", "<cmd> lua vim.lsp.buf.code_action()<CR>", default_opts)
+map("n", "<leader>ld", "<cmd> Telescope lsp_definitions<CR>", default_opts)
+map("n", "<leader>le", "<cmd> Telescope diagnostics<CR>", default_opts)
+map("n", "<leader>lf", "<cmd> lua vim.lsp.buf.format {async = true }<CR>", default_opts)
+map("n", "<leader>lh", "<cmd> lua vim.lsp.buf.hover()<CR>", default_opts)
+map("i", "<C-h>", "<cmd> lua vim.lsp.buf.signature_help()<CR>", default_opts)
+map("n", "<C-h>", "<cmd> lua vim.lsp.buf.signature_help()<CR>", default_opts)
+map("n", "<leader>ln", "<cmd> lua vim.lsp.buf.rename()<CR>", default_opts)
+map("n", "<leader>lr", "<cmd> Telescope lsp_references<CR>", default_opts)
+map("n", "<leader>ls", "<cmd> Telescope lsp_workspace_symbols<CR>", default_opts)
+map("n", "<leader>lt", "<cmd> TodoTelescope<CR>", default_opts)
+map("n", "<leader>lp", "<cmd> call SVED_Sync()<CR>", default_opts)
 wk.register({
   ["<leader>"] = {
     l = {
@@ -57,7 +57,7 @@ wk.register({
   }
 })
 
--- git
+-- git(1)
 map("n", "<leader>gb", "<cmd> Git blame<CR>", default_opts)
 map("n", "<leader>gl", "<cmd> LazyGitFilter<CR>", default_opts)
 map("n", "<leader>gf", "<cmd> LazyGitFilterCurrentFile<CR>", default_opts)
@@ -73,10 +73,10 @@ wk.register({
   }
 })
 
--- Telescope + telescope-symbols
-map("n", "<leader>ie", "<cmd> lua require'telescope.builtin'.symbols{ sources = { 'emoji', 'gitmoji' } }<CR>", default_opts) -- Show emojis
-map("n", "<leader>im", "<cmd> lua require'telescope.builtin'.symbols{ sources = { 'julia' } }<CR>", default_opts) -- Show math symbols
-map("n", "<leader>in", "<cmd> lua require'telescope.builtin'.symbols{ sources = { 'nerd' } }<CR>", default_opts) -- Show nerd icons
+-- telescope-symbols
+map("n", "<leader>ie", "<cmd> lua require'telescope.builtin'.symbols{ sources = { 'emoji', 'gitmoji' } }<CR>", default_opts)
+map("n", "<leader>im", "<cmd> lua require'telescope.builtin'.symbols{ sources = { 'julia' } }<CR>", default_opts)
+map("n", "<leader>in", "<cmd> lua require'telescope.builtin'.symbols{ sources = { 'nerd' } }<CR>", default_opts)
 wk.register({
   ["<leader>"] = {
     i = {
@@ -116,3 +116,6 @@ cmp.setup({
   },
 })
 
+-- nvim-tree
+map("n", "<leader>tt", "<cmd> NvimTreeToggle<CR>", default_opts)
+map("n", "<leader>tc", "<cmd> NvimTreeCollapse<CR>", default_opts)

files/nvim/.config/nvim/lua/plugins/Comment-conf.lua

@@ -1 +0,0 @@
-require('Comment').setup()

files/nvim/.config/nvim/lua/plugins/gitsigns-conf.lua

@@ -1 +0,0 @@
-require('gitsigns').setup()

files/nvim/.config/nvim/lua/plugins/guess-indent-conf.lua

@@ -1 +0,0 @@
-require('guess-indent').setup {}

files/nvim/.config/nvim/lua/plugins/init.lua

@@ -1,12 +1,11 @@
--- NOTE:
--- Define all plugins in this file,
--- but maintain config in <PLUGIN-NAME>-conf.lua
+-- NOTE: Required plugins are maintained here.
 
--- NOTE:
--- Run `checkhealth` after first install
+-- NOTE: Plugin configuration: ${plugin}-conf.lua
 
--- Mention all dependencies in 'requires', but create their own entry,
--- if they need configuration.
+-- NOTE: Use `checkhealth` after new installation
+
+-- NOTE: Mention all dependencies in 'requires', but create their own entry,
+--       if they need configuration.
 
 local fn = vim.fn
 
@@ -30,30 +29,26 @@ return require('packer').startup(function(use)
   })
 
   -- Icons
-  -- Load here, because otherwise icons won't show correctly
   use({
-    "kyazdani42/nvim-web-devicons",
-    config = function() require('plugins.nvim-web-devicons-conf') end,
+    'kyazdani42/nvim-web-devicons',
+    config = function() require 'nvim-web-devicons'.setup({ default = true }) end,
   })
 
   -- LuaLine
   use({
-    "nvim-lualine/lualine.nvim",
+    'nvim-lualine/lualine.nvim',
     requires = {
-      "kyazdani42/nvim-web-devicons", -- All icons in bar
-      "arkav/lualine-lsp-progress", -- Show lsp loading progress
-      "SmiteshP/nvim-navic", -- Show breadcrumbs (loaded in lualine-conf)
-      "neovim/nvim-lspconfig", -- for nvim-navic (loaded later)
+      'kyazdani42/nvim-web-devicons', -- All icons in bar
     },
     config = function() require('plugins.lualine-conf') end,
   })
 
   -- Fuzzy Finder (Files etc)
   use({
-    "nvim-telescope/telescope.nvim",
+    'nvim-telescope/telescope.nvim',
     requires = {
-      "nvim-lua/plenary.nvim", -- General functions
-      "nvim-telescope/telescope-symbols.nvim", -- Search for icons
+      'nvim-lua/plenary.nvim', -- General functions
+      'nvim-telescope/telescope-symbols.nvim', -- Search for icons
     },
     config = function() require('plugins.telescope-conf') end,
   })
@@ -61,48 +56,51 @@ return require('packer').startup(function(use)
   -- Auto Indentation
   use({
     'nmac427/guess-indent.nvim',
-    config = function() require('plugins.guess-indent-conf') end,
+    config = function() require('guess-indent').setup {} end,
   })
 
   -- Autopairs
   use({
-    "windwp/nvim-autopairs",
-    config = function() require('plugins.nvim-autopairs-conf') end,
+    'windwp/nvim-autopairs',
+    config = function() require('nvim-autopairs').setup({}) end,
   })
 
-  -- Treesitter (Update with `:TSUpdate`)
+  -- Treesitter
   use({
-    "nvim-treesitter/nvim-treesitter",
+    'nvim-treesitter/nvim-treesitter',
+    requires = {
+      'kyazdani42/nvim-web-devicons',
+    },
     config = function() require('plugins.nvim-treesitter-conf') end,
   })
 
-  -- LSP (install with `:LSPInstall`, inspect with `:LSPInfo`)
+  -- LSP
   use({
-    "neovim/nvim-lspconfig", -- Easier to manage LSP servers
+    'neovim/nvim-lspconfig',
     requires = {
-      "williamboman/nvim-lsp-installer", -- Easy to install LSP servers
-      "simrat39/rust-tools.nvim", -- Cooler LSP stuff for Rust
+      'williamboman/nvim-lsp-installer',
+      'simrat39/rust-tools.nvim',
     },
     config = function() require('plugins.nvim-lspconfig-conf') end,
   })
 
-  -- Snippets
+  -- Suggestion window + snippets
   use({
     'hrsh7th/nvim-cmp',
     requires = {
-      "L3MON4D3/LuaSnip", -- Snippet engine
-      "hrsh7th/cmp-buffer", -- Source: buffer
-      "hrsh7th/cmp-nvim-lsp", -- Source: LSP symbols
-      "hrsh7th/cmp-path", -- Source: path
-      "rafamadriz/friendly-snippets", -- Source: JSON style snippets for LuaSnip
-      "saadparwaiz1/cmp_luasnip", -- Make LuaSnip work with cmp
+      'L3MON4D3/LuaSnip', -- Snippet engine
+      'hrsh7th/cmp-buffer', -- Source: buffer
+      'hrsh7th/cmp-nvim-lsp', -- Source: LSP symbols
+      'hrsh7th/cmp-path', -- Source: path
+      'rafamadriz/friendly-snippets', -- Source: JSON style snippets for LuaSnip
+      'saadparwaiz1/cmp_luasnip', -- Make LuaSnip work with cmp
     },
     config = function() require('plugins.nvim-cmp-conf') end,
   })
 
-  -- which-key (Show key combos)
+  -- which-key
   use {
-    "folke/which-key.nvim",
+    'folke/which-key.nvim',
     config = function() require('plugins.which-key-conf') end
   }
 
@@ -111,49 +109,52 @@ return require('packer').startup(function(use)
 
   -- Easily comment out stuff
   use({
-    "numToStr/Comment.nvim",
-    config = function() require('plugins.Comment-conf') end,
+    'numToStr/Comment.nvim',
+    config = function() require('Comment').setup() end,
   })
 
   -- Highlight TODOs
   use {
-    "folke/todo-comments.nvim",
-    requires = "nvim-lua/plenary.nvim",
-    config = function() require('plugins.todo-comments-conf') end
+    'folke/todo-comments.nvim',
+    requires = 'nvim-lua/plenary.nvim',
+    config = function() require('todo-comments').setup {} end,
   }
 
   -- interactive git
-  use {
-    'kdheepak/lazygit.nvim'
-  }
+  use({ 'kdheepak/lazygit.nvim' })
 
-  -- git cmd wrapper
-  use 'tpope/vim-fugitive'
+  -- git command wrapper
+  use({ 'tpope/vim-fugitive' })
 
   -- git signs at left side (+ blame line)
-  use {
+  use({
     'lewis6991/gitsigns.nvim',
-    config = function() require('plugins.gitsigns-conf') end
-  }
+    config = function() require('gitsigns').setup() end,
+  })
 
   -- show color codes inline
   use({
-    "norcalli/nvim-colorizer.lua",
-    config = function() require('plugins.nvim-colorizer-conf') end
+    'norcalli/nvim-colorizer.lua',
+    config = function() require 'colorizer'.setup() end,
   })
 
   -- fancy lsp loading animation
   use({
     'j-hui/fidget.nvim',
-    config = function() require "fidget".setup {} end,
+    config = function() require 'fidget'.setup {} end,
   })
 
-  -- latex synctex
-  -- pip install pygobject dbus-python pynvim
-  use({ "peterbjorgensen/sved" })
+  -- latex synctex (requires`pip install pygobject dbus-python pynvim`)
+  use({ 'peterbjorgensen/sved' })
 
-  -- d2 lang support
-  use({"terrastruct/d2-vim"})
+  -- d2-lang support (https://d2lang.com/tour/intro/)
+  use({'terrastruct/d2-vim'})
+
+  -- tree sidebar
+  use({
+    'nvim-tree/nvim-tree.lua',
+    config = function() require('nvim-tree').setup() end,
+  })
 
   -- Automatically set up your configuration after cloning packer.nvim
   -- Put this at the end after all plugins

files/nvim/.config/nvim/lua/plugins/lualine-conf.lua

@@ -1,6 +1,3 @@
--- startup breadcrumbs
-require 'nvim-navic'.setup({})
-
 local function showTrailing()
   local space = vim.fn.search([[\s\+$]], 'nwc')
   return space ~= 0 and "TW:" .. space or ""

files/nvim/.config/nvim/lua/plugins/nvim-autopairs-conf.lua

@@ -1 +0,0 @@
-require('nvim-autopairs').setup({})

files/nvim/.config/nvim/lua/plugins/nvim-cmp-conf.lua

@@ -1,3 +1,43 @@
+lspkind = {
+   Namespace = "",
+   Text = " ",
+   Method = " ",
+   Function = " ",
+   Constructor = " ",
+   Field = "ﰠ ",
+   Variable = " ",
+   Class = "ﴯ ",
+   Interface = " ",
+   Module = " ",
+   Property = "ﰠ ",
+   Unit = "塞 ",
+   Value = " ",
+   Enum = " ",
+   Keyword = " ",
+   Snippet = " ",
+   Color = " ",
+   File = " ",
+   Reference = " ",
+   Folder = " ",
+   EnumMember = " ",
+   Constant = " ",
+   Struct = "פּ ",
+   Event = " ",
+   Operator = " ",
+   TypeParameter = " ",
+   Table = "",
+   Object = " ",
+   Tag = "",
+   Array = "[]",
+   Boolean = " ",
+   Number = " ",
+   Null = "ﳠ",
+   String = " ",
+   Calendar = "",
+   Watch = " ",
+   Package = "",
+}
+
 local cmp = require 'cmp'
 cmp.setup({
   snippet = {
@@ -14,8 +54,7 @@ cmp.setup({
   formatting = {
     -- Show icons in cmp box
     format = function(_, vim_item)
-      local icons = require("icons").lspkind
-      vim_item.kind = string.format("%s %s", icons[vim_item.kind], vim_item.kind)
+      vim_item.kind = string.format("%s %s", lspkind[vim_item.kind], vim_item.kind)
       return vim_item
     end,
   },

files/nvim/.config/nvim/lua/plugins/nvim-colorizer-conf.lua

@@ -1 +0,0 @@
-require 'colorizer'.setup()

files/nvim/.config/nvim/lua/plugins/nvim-lspconfig-conf.lua

@@ -20,10 +20,9 @@ require("nvim-lsp-installer").setup({
 })
 
 local lsp = require('lspconfig')
-local navic = require('nvim-navic') -- breadcrumbs
 
+-- own custom attach, gets called in every client
 function my_attach (client, bufnr)
-  navic.attach(client, bufnr) -- breadcrumbs
 end
 
 -- Normal LSPs

files/nvim/.config/nvim/lua/plugins/nvim-treesitter-conf.lua

@@ -1,5 +1,5 @@
 require('nvim-treesitter.configs').setup({
-  ensure_installed = { -- can also be manually installed with :TSInstall
+  ensure_installed = {
     "bash",
     "c",
     "haskell",

files/nvim/.config/nvim/lua/plugins/nvim-web-devicons-conf.lua

@@ -1,3 +0,0 @@
-require 'nvim-web-devicons'.setup({
-  default = true
-})

files/nvim/.config/nvim/lua/plugins/todo-comments-conf.lua

@@ -1 +0,0 @@
-require("todo-comments").setup {}