move to lua and make a poor man's ide

lua/config/compe.lua

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+-- Configuration for nvim-compe
+
+local utils = require('utils')
+
+vim.cmd [[set shortmess+=c]]
+utils.opt('o', 'completeopt', 'menuone,noselect')
+
+require'compe'.setup {
+    enabled = true;
+    autocomplete = true;
+    debug = false;
+    min_length = 1;
+    preselect = 'enable';
+    throttle_time = 80;
+    source_timeout = 200;
+    incomplete_delay = 400;
+    allow_prefix_unmatch = false;
+    max_abbr_width = 1000;
+    max_kind_width = 1000;
+    max_menu_width = 1000000;
+    documentation = true;
+
+
+    source = {
+        path = true;
+        buffer = true;
+        calc = true;
+        vsnip = true;
+        nvim_lsp = true;
+        nvim_lua = true;
+        spell = true;
+        tags = true;
+        snippets_nvim = true;
+        treesitter = 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
+
+-- Use (s-)tab to:
+--- move to prev/next item in completion menuone
+--- jump to prev/next snippet's placeholder
+-- _G.tab_complete = function()
+--   if vim.fn.pumvisible() == 1 then
+--     return t "<C-n>"
+--   elseif vim.fn.call("vsnip#available", {1}) == 1 then
+--     return t "<Plug>(vsnip-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 vim.fn.call("vsnip#jumpable", {-1}) == 1 then
+--     return t "<Plug>(vsnip-jump-prev)"
+--   else
+--     return t "<S-Tab>"
+--   end
+-- end
+
+-- utils.map("i", "<Tab>", "v:lua.tab_complete()", {expr = true})
+-- utils.map("s", "<Tab>", "v:lua.tab_complete()", {expr = true})
+-- utils.map("i", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
+-- utils.map("s", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})

lua/config/init.lua

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+-- nvim-compe
+require('config.compe')