Refactor neovim config file structure

All plugins are now in their own files with their lazy specifications
and configurations. Also moved lazy initialization to init.lua because
it is very compact now

home/.config/nvim/lua/plugins/cmp.lua

@@ -1,101 +1,107 @@
-return function()
-  local cmp = require("cmp")
-  local luasnip = require("luasnip")
+-- Autoompletion
+return {
+  "hrsh7th/nvim-cmp",
+  dependencies = {
+    "hrsh7th/cmp-buffer", -- Buffer source
+    { "petertriho/cmp-git", dependencies = { "nvim-lua/plenary.nvim" } }, -- Git source
+    "hrsh7th/cmp-nvim-lsp", -- LSP source
+    "hrsh7th/cmp-nvim-lua", -- Neovim Lua API documentation source
+    "hrsh7th/cmp-path", -- Path source
+    "hrsh7th/cmp-cmdline", -- cmdline source
+    "saadparwaiz1/cmp_luasnip", -- Snippets source
+    "f3fora/cmp-spell", -- Spell check source
+    "zbirenbaum/copilot-cmp", -- Copilot source
+  },
+  config = function()
+    local cmp = require("cmp")
+    local luasnip = require("luasnip")
 
-  if not cmp then
-    return
-  end
+    if not cmp then
+      return
+    end
 
-  -- Setup git completion source
-  require("cmp_git").setup()
-  --
-  -- Setup copilot source
-  require("copilot_cmp").setup({ fix_pairs = true })
+    -- Setup git completion source
+    require("cmp_git").setup()
+    --
+    -- Setup copilot source
+    require("copilot_cmp").setup({ fix_pairs = true })
 
-  -- Set completeopt to have a better completion experience
-  vim.o.completeopt = "menuone,noselect"
+    -- Set completeopt to have a better completion experience
+    vim.o.completeopt = "menuone,noselect"
 
-  cmp.setup({
-    snippet = {
-      expand = function(args)
-        luasnip.lsp_expand(args.body)
-      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-Space>"] = cmp.mapping.complete(),
-      ["<C-e>"] = cmp.mapping.close(),
-      ["<CR>"] = cmp.mapping.confirm({
-        behavior = cmp.ConfirmBehavior.Replace,
-        select = true,
-      }),
-      ["<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 = {
-      { name = "luasnip" },
-      { name = "copilot" },
-      { name = "nvim_lsp" },
-      { name = "nvim_lua" },
-      { name = "git" },
-      { name = "buffer" },
-      { name = "spell" },
-      { name = "path" },
-    },
-    -- window = {
-    --   completion = {
-    --     winhighlight = "Normal:Normal,FloatBorder:FloatBorder,CursorLine:Visual,Search:None",
-    --   },
-
-    --   documentation = {
-    --     winhighlight = "Normal:Normal,FloatBorder:FloatBorder,CursorLine:Visual,Search:None",
-    --   },
-    -- },
-  })
-
-  -- Enable autopairs when enter is processed
-  -- on completion
-  local cmp_autopairs = require("nvim-autopairs.completion.cmp")
-  cmp.event:on("confirm_done", cmp_autopairs.on_confirm_done())
-
-  -- `/` cmdline setup.
-  cmp.setup.cmdline("/", {
-    mapping = cmp.mapping.preset.cmdline(),
-    sources = {
-      { name = "buffer" },
-    },
-  })
-  -- `:` cmdline setup.
-  cmp.setup.cmdline(":", {
-    mapping = cmp.mapping.preset.cmdline(),
-    sources = cmp.config.sources({
-      { name = "path" },
-    }, {
-      {
-        name = "cmdline",
-        option = {
-          ignore_cmds = { "Man", "!" },
-        },
+    cmp.setup({
+      snippet = {
+        expand = function(args)
+          luasnip.lsp_expand(args.body)
+        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-Space>"] = cmp.mapping.complete(),
+        ["<C-e>"] = cmp.mapping.close(),
+        ["<CR>"] = cmp.mapping.confirm({
+          behavior = cmp.ConfirmBehavior.Replace,
+          select = true,
+        }),
+        ["<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 = {
+        { name = "luasnip" },
+        { name = "copilot" },
+        { name = "nvim_lsp" },
+        { name = "nvim_lua" },
+        { name = "git" },
+        { name = "buffer" },
+        { name = "spell" },
+        { name = "path" },
+      },
+    })
+
+    -- Enable autopairs when enter is processed
+    -- on completion
+    local cmp_autopairs = require("nvim-autopairs.completion.cmp")
+    cmp.event:on("confirm_done", cmp_autopairs.on_confirm_done())
+
+    -- `/` cmdline setup.
+    cmp.setup.cmdline("/", {
+      mapping = cmp.mapping.preset.cmdline(),
+      sources = {
+        { name = "buffer" },
+      },
+    })
+    -- `:` cmdline setup.
+    cmp.setup.cmdline(":", {
+      mapping = cmp.mapping.preset.cmdline(),
+      sources = cmp.config.sources({
+        { name = "path" },
+      }, {
+        {
+          name = "cmdline",
+          option = {
+            ignore_cmds = { "Man", "!" },
+          },
+        },
+      }),
+    })
+  end,
+}