From e771a32ab8a07a64d298e9c4a41e27979b085cad Mon Sep 17 00:00:00 2001
From: siduck76 <siduckk76@protonmail.com>
Date: Thu, 24 Jun 2021 22:49:42 +0530
Subject: [PATCH] lazy loading : compe

---
 init.lua                 |  1 -
 lua/compe-completion.lua | 91 ++++++++++------------------------------
 lua/mappings.lua         | 64 +++++++++++++++++++++++++---
 lua/pluginList.lua       | 13 +++++-
 4 files changed, 91 insertions(+), 78 deletions(-)

diff --git a/init.lua b/init.lua
index 2750a44..0fc7f3b 100644
--- a/init.lua
+++ b/init.lua
@@ -10,7 +10,6 @@ require("neoscroll").setup() -- smooth scroll
 
 -- lsp stuff
 require "nvim-lspconfig"
-require "compe-completion"
 
 local cmd = vim.cmd
 local g = vim.g
diff --git a/lua/compe-completion.lua b/lua/compe-completion.lua
index 79ee38a..b9170ae 100644
--- a/lua/compe-completion.lua
+++ b/lua/compe-completion.lua
@@ -1,74 +1,25 @@
-vim.o.completeopt = "menuone,noselect"
+local M = {}
 
-require "compe".setup {
-    enabled = true,
-    autocomplete = true,
-    debug = false,
-    min_length = 1,
-    preselect = "enable",
-    throttle_time = 80,
-    source_timeout = 200,
-    incomplete_delay = 400,
-    max_abbr_width = 100,
-    max_kind_width = 100,
-    max_menu_width = 100,
-    documentation = true,
-    source = {
-        buffer = {kind = "﬘", true},
-        vsnip = {kind = "﬌"}, --replace to what sign you prefer
-        nvim_lsp = true
+M.config = function()
+    require "compe".setup {
+        enabled = true,
+        autocomplete = true,
+        debug = false,
+        min_length = 1,
+        preselect = "enable",
+        throttle_time = 80,
+        source_timeout = 200,
+        incomplete_delay = 400,
+        max_abbr_width = 100,
+        max_kind_width = 100,
+        max_menu_width = 100,
+        documentation = true,
+        source = {
+            buffer = {kind = "﬘", true},
+            vsnip = {kind = "﬌"},
+            nvim_lsp = true
+        }
     }
-}
-
-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
-
--- tab completion
-
-_G.tab_complete = function()
-    if vim.fn.pumvisible() == 1 then
-        return t "<C-n>"
-    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 vim.fn.call("vsnip#jumpable", {-1}) == 1 then
-        return t "<Plug>(vsnip-jump-prev)"
-    else
-        return t "<S-Tab>"
-    end
-end
-
---  mappings
-
-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})
-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})
-
-function _G.completions()
-    local npairs = require("nvim-autopairs")
-    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})
+return M
diff --git a/lua/mappings.lua b/lua/mappings.lua
index 8d95498..433a06a 100644
--- a/lua/mappings.lua
+++ b/lua/mappings.lua
@@ -1,4 +1,4 @@
- local function map(mode, lhs, rhs, opts)
+local function map(mode, lhs, rhs, opts)
     local options = {noremap = true}
     if opts then
         options = vim.tbl_extend("force", options, opts)
@@ -8,7 +8,7 @@ end
 
 local opt = {}
 
--- dont copy any deleted text , this is disabled by default so uncomment the below mappings if you want them!
+-- dont copy any deleted text , this is disabled by default so uncomment the below mappings if you want them
 --[[ remove this line
 
 map("n", "dd", [=[ "_dd ]=], opt)
@@ -16,18 +16,20 @@ map("v", "dd", [=[ "_dd ]=], opt)
 map("v", "x", [=[ "_x ]=], opt)
 
  this line too ]]
+--
+
 -- OPEN TERMINALS --
 map("n", "<C-l>", [[<Cmd>vnew term://bash <CR>]], opt) -- term over right
 map("n", "<C-x>", [[<Cmd> split term://bash | resize 10 <CR>]], opt) --  term bottom
 map("n", "<C-t>t", [[<Cmd> tabnew | term <CR>]], opt) -- term newtab
 
--- COPY EVERYTHING --
+-- copy whole file content
 map("n", "<C-a>", [[ <Cmd> %y+<CR>]], opt)
 
--- toggle numbers ---
+-- toggle numbers
 map("n", "<leader>n", [[ <Cmd> set nu!<CR>]], opt)
 
--- toggle truezen.nvim's ataraxis and minimalist mode
+-- Truezen.nvim
 map("n", "<leader>z", [[ <Cmd> TZAtaraxis<CR>]], opt)
 map("n", "<leader>m", [[ <Cmd> TZMinimalist<CR>]], opt)
 
@@ -37,3 +39,55 @@ map("n", "<C-s>", [[ <Cmd> w <CR>]], opt)
 -- Commenter Keybinding
 map("n", "<leader>/", ":CommentToggle<CR>", {noremap = true, silent = true})
 map("v", "<leader>/", ":CommentToggle<CR>", {noremap = true, silent = true})
+
+-- compe stuff
+
+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 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 vim.fn.call("vsnip#jumpable", {-1}) == 1 then
+        return t "<Plug>(vsnip-jump-prev)"
+    else
+        return t "<S-Tab>"
+    end
+end
+
+function _G.completions()
+    local npairs = require("nvim-autopairs")
+    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
+
+--  compe mappings
+map("i", "<Tab>", "v:lua.tab_complete()", {expr = true})
+map("s", "<Tab>", "v:lua.tab_complete()", {expr = true})
+map("i", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
+map("s", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
+map("i", "<CR>", "v:lua.completions()", {expr = true})
diff --git a/lua/pluginList.lua b/lua/pluginList.lua
index 13d94d3..5f8f6d0 100644
--- a/lua/pluginList.lua
+++ b/lua/pluginList.lua
@@ -13,7 +13,16 @@ return packer.startup(
         -- lang stuff
         use "nvim-treesitter/nvim-treesitter"
         use "neovim/nvim-lspconfig"
-        use "hrsh7th/nvim-compe"
+
+        -- loads compe and vsnip in insert mode only
+        use {
+            "hrsh7th/nvim-compe",
+            event = "InsertEnter",
+            config = function()
+                require("compe-completion").config()
+            end
+        }
+
         use "onsails/lspkind-nvim"
         use "sbdchd/neoformat"
         use "nvim-lua/plenary.nvim"
@@ -23,7 +32,7 @@ return packer.startup(
         use "akinsho/nvim-bufferline.lua"
         use "glepnir/galaxyline.nvim"
         use "windwp/nvim-autopairs"
-        use "alvan/vim-closetag"
+        --   use "alvan/vim-closetag" -- for html
 
         -- Comment
         use "terrortylor/nvim-comment"