new completion and lsp settings

nix/home.nix

@@ -13,7 +13,7 @@ let
       sha256 = "06gh3v35bdr0qsp459183br4hpmwm36d2r9fjyx9j5jfpzggqg51";
     };
 
-    cargoSha256 = "0f0a88pv4myavdrznz68f5jfc82y8whrdwcyp1q8i6nrn606csi7";
+    cargoSha256 = "17lr4pc2fjcgvx0p4vpkwx3mg9jadb4lygbwri0blmnkqql8xlh3";
     nativeBuildInputs = [ pkgs.pkgconfig ];
     buildInputs = [ pkgs.openssl ] ++ (if pkgs.stdenv.isDarwin then [ pkgs.libiconv pkgs.darwin.apple_sdk.frameworks.Security ] else []);
   };
@@ -140,7 +140,6 @@ in {
 
       vim-elixir
       alchemist-vim
-      vimtex
       vim-elm-syntax
       vim-nix
       vim-javascript
@@ -149,24 +148,109 @@ in {
 
       vim-commentary
       vim-airline
-      rainbow
+      { plugin = rainbow;
+      config = ''
+let g:rainbow_conf = {
+\ 'guifgs': ['RoyalBlue3', 'SeaGreen3', 'DarkOrchid3', 'firebrick3', 'RoyalBlue3', 'SeaGreen3', 'DarkOrchid3', 'firebrick3', 'RoyalBlue3', 'DarkOrchid3', 'firebrick3', 'RoyalBlue3', 'SeaGreen3', 'DarkOrchid3', 'firebrick3'],
+\ 'ctermfgs': ['red', 'brown', 'blue', 'gray', 'green', 'magenta', 'cyan', 'darkred', 'brown', 'darkblue', 'gray', 'darkgreen', 'darkmagenta', 'darkcyan', 'red'],
+\ 'parentheses': ['start=/(/ end=/)/ fold', 'start=/\[/ end=/\]/ fold', 'start=/{/ end=/}/ fold']
+\}
+let g:rainbow_active = 1
+        '';
+    }
       vim-signify
       vim-indent-guides
       vim-surround
       fugitive
-      easymotion
+      { plugin = easymotion;
+      config = ''
+map / <Plug>(easymotion-sn)
+omap / <Plug>(easymotion-tn)
+map n <Plug>(easymotion-next)
+map N <Plug>(easymotion-prev)
+let g:EasyMotion_landing_highlight = 0
+        '';
+    }
       vinegar
       undotree
-      vim-test
-      ale
+      { plugin = vim-test;
+      config = ''
+nmap <silent> <leader>t :TestNearest<CR>
+nmap <silent> <leader>T :TestFile<CR>
+nmap <silent> <leader>a :TestSuite<CR>
+nmap <silent> <leader>l :TestLast<CR>
+nmap <silent> <leader>g :TestVisit<CR>
+let test#strategy = "neovim"
+        '';
+    }
+      { plugin = ale;
+      config = ''
+let g:ale_fix_on_save = 1
+let g:ale_elixir_credo_strict = 1
+let g:ale_fixers = {
+  \ 'elm': ['elm-format', 'format'],
+  \ 'javascript': ['prettier'],
+  \ 'javascript.jsx': ['prettier'],
+  \ 'javascriptreact': ['prettier'],
+  \ 'typescriptreact': ['prettier'],
+  \ 'typescript': ['prettier'],
+  \ 'ruby': ['sorbet'],
+  \ 'rust': ['rustfmt'],
+  \ 'elixir': ['mix_format']
+  \}
+let g:ale_linters_explicit = 1
+        '';
+    }
       fzf-vim
       fzfWrapper
-      LanguageClient-neovim
-      deoplete-nvim
+      { plugin = nvim-compe;
+      config = ''
+set completeopt=menuone,noselect
+let g:compe = {}
+let g:compe.enabled = v:true
+let g:compe.autocomplete = v:true
+let g:compe.debug = v:false
+let g:compe.min_length = 1
+let g:compe.preselect = 'enable'
+let g:compe.throttle_time = 80
+let g:compe.source_timeout = 200
+let g:compe.resolve_timeout = 800
+let g:compe.incomplete_delay = 400
+let g:compe.max_abbr_width = 100
+let g:compe.max_kind_width = 100
+let g:compe.max_menu_width = 100
+let g:compe.documentation = v:true
+
+let g:compe.source = {}
+let g:compe.source.path = v:true
+let g:compe.source.buffer = v:true
+let g:compe.source.calc = v:true
+let g:compe.source.nvim_lsp = v:true
+let g:compe.source.nvim_lua = v:true
+let g:compe.source.vsnip = v:true
+let g:compe.source.ultisnips = v:true
+let g:compe.source.luasnip = v:true
+let g:compe.source.emoji = v:true
+        '';
+    }
       vim-goyo
+      { plugin = nvim-lspconfig ;
+      config = ''
+        lua << EOF
+          require'lspconfig'.elmls.setup{}
+          require'lspconfig'.tsserver.setup{}
+          require'lspconfig'.elixirls.setup{
+            cmd = { "${pkgs.elixir_ls}/bin/elixir-ls" };
+          }
+        EOF
+        '';
+    }
     ];
 
     extraConfig = readFile ./vim/init.vim;
+    extraPackages = with pkgs; [
+      elixir_ls
+    ];
   };
 
   programs.tmux = {