nvim: Enable LSP for zig

nvim/.config/nvim/after/ftplugin/zig.lua

@@ -0,0 +1,4 @@
+local lsp_utils  = require('lsp-utils')
+local zls_config = lsp_utils.zls_config()
+
+vim.lsp.start(zls_config)

nvim/.config/nvim/lua/lsp-utils.lua

@@ -372,4 +372,18 @@ function M.typescript_config()
   end
 end
 
+function M.zls_config()
+  local root_files     = { 'zls.json', 'build.zig' }
+  local root_directory = get_root_directory(root_files)
+
+  return {
+    name                = "zls",
+    cmd                 = { "zls" },
+    capabilities        = default_capabilities,
+    root_dir            = root_directory,
+    filetypes           = { 'zig', 'zir' },
+    single_file_support = true,
+  }
+end
+
 return M