replace compe with cmp

lua/core/options.lua

@@ -8,7 +8,6 @@ local options = require("core.utils").load_config().options
 
 opt.clipboard = options.clipboard
 opt.cmdheight = options.cmdheight
-opt.completeopt = { "menuone", "noselect" }
 opt.cul = true -- cursor line
 
 -- Indentline

lua/plugins/configs/autopairs.lua

@@ -1,12 +0,0 @@
-local present1, autopairs = pcall(require, "nvim-autopairs")
-local present2, autopairs_completion = pcall(require, "nvim-autopairs.completion.compe")
-
-if not (present1 or present2) then
-   return
-end
-
-autopairs.setup()
-autopairs_completion.setup {
-   map_complete = true, -- insert () func completion
-   map_cr = true,
-}

lua/plugins/configs/autosave.lua

@@ -1,19 +0,0 @@
--- autosave.nvim plugin disabled by default
-local present, autosave = pcall(require, "autosave")
-if not present then
-   return
-end
-
-autosave.setup {
-   enabled = vim.g.auto_save or false, -- takes boolean value from init.lua
-   execution_message = "autosaved at : " .. vim.fn.strftime "%H:%M:%S",
-   events = { "InsertLeave", "TextChanged" },
-   conditions = {
-      exists = true,
-      filetype_is_not = {},
-      modifiable = true,
-   },
-   clean_command_line_interval = 2500,
-   on_off_commands = true,
-   write_all_buffers = false,
-}

lua/plugins/configs/cmp.lua

@@ -0,0 +1,63 @@
+vim.opt.completeopt = "menuone,noselect"
+
+local lspkind = require "lspkind"
+local luasnip = require "luasnip"
+
+-- nvim-cmp setup
+local cmp = require "cmp"
+cmp.setup {
+   snippet = {
+      expand = function(args)
+         require("luasnip").lsp_expand(args.body)
+      end,
+   },
+   formatting = {
+      format = function(entry, vim_item)
+         vim_item.kind = lspkind.presets.default[vim_item.kind] .. " " .. vim_item.kind
+
+         vim_item.menu = ({
+            nvim_lsp = "[LSP]",
+            nvim_lua = "[Lua]",
+            buffer = "[BUF]",
+         })[entry.source.name]
+
+         return vim_item
+      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>"] = function(fallback)
+         if vim.fn.pumvisible() == 1 then
+            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<C-n>", true, true, true), "n")
+         elseif luasnip.expand_or_jumpable() then
+            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-expand-or-jump", true, true, true), "")
+         else
+            fallback()
+         end
+      end,
+      ["<S-Tab>"] = function(fallback)
+         if vim.fn.pumvisible() == 1 then
+            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<C-p>", true, true, true), "n")
+         elseif luasnip.jumpable(-1) then
+            vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-jump-prev", true, true, true), "")
+         else
+            fallback()
+         end
+      end,
+   },
+   sources = {
+      { name = "nvim_lsp" },
+      { name = "luasnip" },
+      { name = "buffer" },
+      { name = "nvim_lua" },
+   },
+}

lua/plugins/configs/compe.lua

@@ -1,26 +0,0 @@
-local present, compe = pcall(require, "compe")
-if not present then
-   return
-end
-
-compe.setup {
-   enabled = true,
-
-   autocomplete = true,
-   debug = false,
-   documentation = true,
-   incomplete_delay = 400,
-   max_abbr_width = 100,
-   max_kind_width = 100,
-   max_menu_width = 100,
-   min_length = 1,
-   preselect = "enable",
-   source_timeout = 200,
-   source = {
-      buffer = { kind = "﬘", true },
-      luasnip = { kind = "﬌", true },
-      nvim_lsp = true,
-      nvim_lua = true,
-   },
-   throttle_time = 80,
-}

lua/plugins/configs/lspconfig.lua

@@ -41,7 +41,21 @@ local function on_attach(_, bufnr)
 end
 
 local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities.textDocument.completion.completionItem.documentationFormat = { "markdown", "plaintext" }
 capabilities.textDocument.completion.completionItem.snippetSupport = true
+capabilities.textDocument.completion.completionItem.preselectSupport = true
+capabilities.textDocument.completion.completionItem.insertReplaceSupport = true
+capabilities.textDocument.completion.completionItem.labelDetailsSupport = true
+capabilities.textDocument.completion.completionItem.deprecatedSupport = true
+capabilities.textDocument.completion.completionItem.commitCharactersSupport = true
+capabilities.textDocument.completion.completionItem.tagSupport = { valueSet = { 1 } }
+capabilities.textDocument.completion.completionItem.resolveSupport = {
+   properties = {
+      "documentation",
+      "detail",
+      "additionalTextEdits",
+   },
+}
 
 -- lspInstall + lspconfig stuff
 

lua/plugins/configs/luasnip.lua

@@ -3,64 +3,9 @@ if not present then
    return
 end
 
-local t = function(str)
-   return vim.api.nvim_replace_termcodes(str, true, true, true)
-end
-
-local check_back_space = function()
-   local col = vim.fn.col "." - 1
-   if col == 0 or vim.fn.getline("."):sub(col, col):match "%s" then
-      return true
-   else
-      return false
-   end
-end
-
-_G.tab_complete = function()
-   if vim.fn.pumvisible() == 1 then
-      return t "<C-n>"
-   elseif luasnip and luasnip.expand_or_jumpable() then
-      return t "<Plug>luasnip-expand-or-jump"
-   elseif check_back_space() then
-      return t "<Tab>"
-   else
-      return vim.fn["compe#complete"]()
-   end
-end
-_G.s_tab_complete = function()
-   if vim.fn.pumvisible() == 1 then
-      return t "<C-p>"
-   elseif luasnip and luasnip.jumpable(-1) then
-      return t "<Plug>luasnip-jump-prev"
-   else
-      return t "<S-Tab>"
-   end
-end
-
-_G.completions = function()
-   local npairs
-   if not pcall(function()
-      npairs = require "nvim-autopairs"
-   end) then
-      return
-   end
-
-   if vim.fn.pumvisible() == 1 then
-      if vim.fn.complete_info()["selected"] ~= -1 then
-         return vim.fn["compe#confirm"] "<CR>"
-      end
-   end
-   return npairs.check_break_line_char()
-end
-
-vim.api.nvim_set_keymap("i", "<CR>", "v:lua.completions()", { expr = true })
-vim.api.nvim_set_keymap("i", "<S-Tab>", "v:lua.s_tab_complete()", { expr = true })
-vim.api.nvim_set_keymap("s", "<S-Tab>", "v:lua.s_tab_complete()", { expr = true })
-vim.api.nvim_set_keymap("i", "<Tab>", "v:lua.tab_complete()", { expr = true })
-vim.api.nvim_set_keymap("s", "<Tab>", "v:lua.tab_complete()", { expr = true })
-
 luasnip.config.set_config {
    history = true,
    updateevents = "TextChanged,TextChangedI",
 }
+
 require("luasnip/loaders/from_vscode").load()

lua/plugins/configs/others.lua

@@ -1,5 +1,42 @@
 local M = {}
 
+M.autopairs = function()
+   local present1, autopairs = pcall(require, "nvim-autopairs")
+   local present2, autopairs_completion = pcall(require, "nvim-autopairs.completion.cmp")
+
+   if not (present1 or present2) then
+      return
+   end
+
+   autopairs.setup()
+   autopairs_completion.setup {
+      map_complete = true, -- insert () func completion
+      map_cr = true,
+   }
+end
+
+M.autosave = function()
+   -- autosave.nvim plugin is disabled by default
+   local present, autosave = pcall(require, "autosave")
+   if not present then
+      return
+   end
+
+   autosave.setup {
+      enabled = vim.g.auto_save or false, -- takes boolean value from init.lua
+      execution_message = "autosaved at : " .. vim.fn.strftime "%H:%M:%S",
+      events = { "InsertLeave", "TextChanged" },
+      conditions = {
+         exists = true,
+         filetype_is_not = {},
+         modifiable = true,
+      },
+      clean_command_line_interval = 2500,
+      on_off_commands = true,
+      write_all_buffers = false,
+   }
+end
+
 M.better_escape = function()
    local config = require("core.utils").load_config()
    vim.g.better_escape_interval = config.options.plugin.esc_insertmode_timeout or 300

lua/plugins/init.lua

@@ -154,7 +154,7 @@ return packer.startup(function()
       disable = not plugin_status.autosave,
       "Pocco81/AutoSave.nvim",
       config = function()
-         require "plugins.configs.autosave"
+         require("plugins.configs.others").autosave()
       end,
       cond = function()
          return require("core.utils").load_config().options.plugin.autosave == true
@@ -164,7 +164,7 @@ return packer.startup(function()
    use {
       "onsails/lspkind-nvim",
       disable = not plugin_status.lspkind,
-      event = "InsertEnter",
+      after = "LuaSnip",
       config = function()
          require("plugins.configs.others").lspkind()
       end,
@@ -182,36 +182,56 @@ return packer.startup(function()
       end,
    }
 
-   -- load compe in insert mode only
+   -- load luasnips + cmp related in insert mode only
+
    use {
-      "hrsh7th/nvim-compe",
-      event = "InsertEnter",
-      config = function()
-         require "plugins.configs.compe"
-      end,
-      wants = "LuaSnip",
-      requires = {
-         {
       "L3MON4D3/LuaSnip",
+      event = "InsertEnter",
       wants = "friendly-snippets",
-            event = "InsertCharPre",
       config = function()
          require "plugins.configs.luasnip"
       end,
-         },
-         {
+   }
+
+   use {
+      "hrsh7th/nvim-cmp",
+      config = function()
+         require "plugins.configs.cmp"
+      end,
+      after = "lspkind-nvim",
+   }
+
+   use {
+      "saadparwaiz1/cmp_luasnip",
+      after = "nvim-cmp",
+   }
+
+   use {
+      "hrsh7th/cmp-nvim-lua",
+      after = "cmp_luasnip",
+   }
+
+   use {
+      "hrsh7th/cmp-nvim-lsp",
+      after = "cmp-nvim-lua",
+   }
+
+   use {
+      "hrsh7th/cmp-buffer",
+      after = "cmp-nvim-lsp",
+   }
+
+   use {
       "rafamadriz/friendly-snippets",
-            event = "InsertCharPre",
-         },
-      },
+      after = "cmp-buffer",
    }
 
    -- misc plugins
    use {
       "windwp/nvim-autopairs",
-      after = "nvim-compe",
+      after = "nvim-cmp",
       config = function()
-         require "plugins.configs.autopairs"
+         require("plugins.configs.others").autopairs()
       end,
    }