Add Luasnip

tasks/neovim.yml

@@ -18,7 +18,7 @@
     dest: '{{ xdg_data_dir }}/nvim/site/pack/default/start/{{ item.name }}'
     update: true
     version: '{{ item.version|default("HEAD") }}'
-  loop: '{{ vim_plugins }}'
+  loop: '{{ neovim_plugins }}'
 
 - name: install pynvim package
   pip:

templates/nvim/lua/lsp.lua.j2

@@ -1,9 +1,5 @@
 -- {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
 
---add additional capabilities supported by nvim-cmp
-local capabilities = vim.lsp.protocol.make_client_capabilities()
-capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
-
 --use an on_attach function to only map the following keys
 --after the language server attaches to the current buffer
 local on_attach = function(client, bufnr)
@@ -24,12 +20,17 @@ local on_attach = function(client, bufnr)
   buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
 end
 
-local nvim_lsp = require('lspconfig')
 
 --enable some language servers with the additional completion capabilities
 --offered by nvim-cmp
 local servers = { 'ansiblels', 'yamlls', 'cssls', 'jsonls', 'tsserver', }
 
+--add additional capabilities supported by nvim-cmp
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
+
+local nvim_lsp = require('lspconfig')
+
 for _, lsp in ipairs(servers) do
   nvim_lsp[lsp].setup {
     on_attach = on_attach,
@@ -37,13 +38,13 @@ for _, lsp in ipairs(servers) do
   }
 end
 
-local util = require("lspconfig/util")
+local util = require('lspconfig/util')
 
 nvim_lsp.pyright.setup({
   on_attach = on_attach,
   capabilities = capabilities,
   root_dir = function(fname)
-    return util.root_pattern(".git", "setup.cfg", "requirements")(fname) or
+    return util.root_pattern('.git', 'setup.cfg', 'requirements')(fname) or
       util.path.dirname(fname)
   end
 })
@@ -53,3 +54,38 @@ nvim_lsp.html.setup({
   capabilities = capabilities,
   filetypes = { 'html', 'htmldjango' },
 })
+
+local cmp = require('cmp')
+local luasnip = require('luasnip')
+
+cmp.setup({
+  snippet = {
+    expand = function(args)
+      luasnip.lsp_expand(args.body)
+    end,
+  },
+  mapping = cmp.mapping.preset.insert({
+    ['<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 = {
+    { names = 'nvim_lsp', },
+    { names = 'luasnip', }, -- TODO: add snippets
+  },
+})

vars.yml

@@ -39,7 +39,7 @@ public_dotfiles_repo: 'git@git.fudiggity.nl:sonny/dotfiles.git'
 githook_repo: 'git@git.fudiggity.nl:sonny/git-hooks.git'
 public_githook_repo: 'git@git.fudiggity.nl:sonny/git-hooks.git'
 
-vim_plugins:
+neovim_plugins:
   - { url: 'https://github.com/preservim/nerdtree', name: 'nerdtree' }
   - { url: 'https://github.com/sheerun/vim-polyglot', name: 'vim-polygot' }
   - { url: 'https://github.com/neovim/nvim-lspconfig', name: 'nvim-lspconfig' }
@@ -56,6 +56,7 @@ vim_plugins:
       name: 'telescope.nvim',
       version: '0.1.x',
     }
+  - { url: 'https://github.com/L3MON4D3/LuaSnip', name: 'luasnip', version: 'v1.0.0' }
 
 neovim_node_packages:
   - typescript