start a new nvim config from scratch

CHEATSHEET.md

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+# Neovim cheatsheet for this setup
+
+
+## Save and exit
+
+```vim
+:w            -- save file
+w             --
+<leader>w     --
+
+:wq           -- save and exit
+<leader>wq    --
+
+:q            -- exit without saving
+<leader>q     --
+q             --
+
+:q!           -- force to quit without saving
+<leader>qq    --
+```
+
+
+## Buffer navigation
+
+```vim
+:e <file>  -- open a file in a new buffer
+<leader>e  --
+
+:ls        -- list buffers
+<leader>ls --
+
+:bnext     -- goto next buffer
+<leader>f  -- 
+
+:bprevious -- goto previous buffer
+<leader>d  --
+```

README.md

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+# Basic neovim configuration
+
+
+To open [CHEATSHEET.md](./CHEATSHEET.md): `<leader>h`.
+To open [README.md](./README.md): `<leader>hr`
+
+
+## Used package
+
+- [x] kanagawa: color schema
+- [x] oil: files manager
+- [x] mini-statusline
+
+## References
+
+ - https://www.youtube.com/watch?v=g1gyYttzxcI
+
+
+

init.lua

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+require("config.lazy")
+

lazy-lock.json

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+{
+  "kanagawa.nvim": { "branch": "master", "commit": "aef7f5cec0a40dbe7f3304214850c472e2264b10" },
+  "lazy.nvim": { "branch": "main", "commit": "85c7ff3711b730b4030d03144f6db6375044ae82" },
+  "mini.icons": { "branch": "main", "commit": "ff2e4f1d29f659cc2bad0f9256f2f6195c6b2428" },
+  "mini.statusline": { "branch": "main", "commit": "e331175f10d9f400b42523b3890841aba202ce16" },
+  "oil.nvim": { "branch": "master", "commit": "7e1cd7703ff2924d7038476dcbc04b950203b902" },
+  "vim-sleuth": { "branch": "master", "commit": "be69bff86754b1aa5adcbb527d7fcd1635a84080" }
+}

lua/config/keymap.lua

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+vim.keymap.set('n', "-", "<cmd>Oil --float<CR>", { desc ="Enter file explorer (Oil)" })
+
+vim.keymap.set('n', "w", "<cmd>w<CR>", { desc = "Save" } )
+vim.keymap.set('n', "<leader>w", "<cmd>w<CR>", { desc = "Save" } )
+vim.keymap.set('n', "q", "<cmd>q<CR>", { desc = "Quit without saving" } ) 
+vim.keymap.set('n', "<leader>q", "<cmd>q<CR>", { desc = "Quit without saving" } ) 
+vim.keymap.set('n', "<leader>wq", "<cmd>wq<CR>", { desc = "Save and quit" } ) 
+vim.keymap.set('n', "<leader>qq", "<cmd>q!<CR>", { desc = "Force to quit without saving" } ) 
+
+
+-- todo: this is not robust... add autocompletion and verify that file exists
+vim.keymap.set("n", "<leader>e", function()
+  local file_name = vim.fn.input("Open file: ")
+  if file_name ~= "" then
+    vim.cmd(":edit " .. file_name)
+  end
+end, { desc = "edit a file"})   
+
+vim.keymap.set("n","<leader>ls", "<cmd>ls<CR>", { desc = "list buffers" })
+vim.keymap.set("n","<leader>f", "<cmd>bnext<CR>", { desc = "goto next buffers" })
+vim.keymap.set("n","<leader>d", "<cmd>bprevious<CR>", { desc = "goto previous buffers" })
+vim.keymap.set("n","<leader>c", "<cmd>bd<CR>", { desc = "close buffers" })
+
+vim.keymap.set("n", "<leader>h", function()
+  local config_path = vim.fn.stdpath('config')
+  local readme_path = config_path .. '/CHEATSHEET.md'
+  local buf = vim.fn.bufadd(readme_path)
+  vim.fn.bufload(buf)
+  local win = vim.api.nvim_open_win(buf, true, {
+    relative = 'editor',
+    width = 80,
+    height = 20,
+    col = (vim.o.columns - 80) / 2,
+    row = (vim.o.lines - 100) / 2,
+    style = 'minimal'
+  })
+  vim.api.nvim_win_set_option(win, 'number', false)
+end, { desc = "Open CHEATSHEET.md"})
+
+vim.keymap.set("n", "<leader>hr", function()
+  local config_path = vim.fn.stdpath('config')
+  local readme_path = config_path .. '/README.md'
+  local buf = vim.fn.bufadd(readme_path)
+  vim.fn.bufload(buf)
+  local win = vim.api.nvim_open_win(buf, true, {
+    relative = 'editor',
+    width = 80,
+    height = 20,
+    col = (vim.o.columns - 80) / 2,
+    row = (vim.o.lines - 100) / 2,
+    style = 'minimal'
+  })
+  vim.api.nvim_win_set_option(win, 'number', false)
+end, { desc = "Open CHEATSHEET.md"})
+

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 = { "kanagawa" } },
+  -- automatically check for plugin updates
+  checker = { enabled = true },
+})
+
+require("config.keymap")
+require("config.options")

lua/config/options.lua

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+vim.o.number = true           -- show line numbers
+vim.o.relativenumber = true   -- show line numbers relative to current line
+
+vim.o.ignorecase = true
+vim.o.smartcase = true
+
+
+-- use vim
+--vim.o.expandtab = true  -- convert tab to spaces
+--vim.o.shiftwidth = 4
+
+vim.o.cursorline = true
+
+vim.o.undofile = true
+
+vim.o.showmode = false
+
+vim.o.signcolumn = "yes"
+
+
+
+vim.o.list = true
+vim.opt.listchars = { tab = '» ', trail = '·', nbsp = '␣' }
+
+
+

lua/plugins/kanagawa.lua

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+return {
+ "rebelot/kanagawa.nvim", opt =  {},
+ config = function()
+	 require("kanagawa").setup({
+compile = true,
+
+transparent = true
+	 });
+vim.cmd("colorscheme kanagawa");
+end,
+build = function()
+  vim.cmd("KanagawaCompile");   -- this line fail at first install
+end,
+}

lua/plugins/mini-statusline.lua

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+return {
+
+'nvim-mini/mini.statusline', version = "",
+opts={},
+
+}

lua/plugins/oil.lua

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+return {
+  'stevearc/oil.nvim',
+  ---@module 'oil'
+  ---@type oil.SetupOpts
+  opts = {},
+  -- Optional dependencies
+  dependencies = { { "nvim-mini/mini.icons", opts = {} } },
+  -- dependencies = { "nvim-tree/nvim-web-devicons" }, -- use if you prefer nvim-web-devicons
+  -- Lazy loading is not recommended because it is very tricky to make it work correctly in all situations.
+  lazy = false,
+}

lua/plugins/sleuth.lua

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+return {
+    "tpope/vim-sleuth"
+}