Add docker lsp (#56)

1 files changed, 51 insertions, 0 deletions

diff --git a/lua/nvim_lsp/dockerls.lua b/lua/nvim_lsp/dockerls.lua
new file mode 100644
index 00000000..14280e07
--- /dev/null
+++ b/lua/nvim_lsp/dockerls.lua
@@ -0,0 +1,51 @@
+local skeleton = require 'nvim_lsp/skeleton'
+local util = require 'nvim_lsp/util'
+local lsp = vim.lsp
+
+local server_name = "dockerls"
+local bin_name = "docker-language-server"
+
+local installer = util.npm_installer {
+  server_name = server_name;
+  packages = { "docker-language-server-nodejs" };
+  binaries = {bin_name};
+}
+
+skeleton[server_name] = {
+  default_config = {
+    cmd = {bin_name, "--stdio"};
+    filetypes = {"Dockerfile", "dockerfile"};
+    root_dir = util.root_pattern("Dockerfile");
+    log_level = lsp.protocol.MessageType.Warning;
+    settings = {};
+  };
+  on_new_config = function(new_config)
+    local install_info = installer.info()
+    if install_info.is_installed then
+      if type(new_config.cmd) == 'table' then
+        -- Try to preserve any additional args from upstream changes.
+        new_config.cmd[1] = install_info.binaries[bin_name]
+      else
+        new_config.cmd = {install_info.binaries[bin_name]}
+      end
+    end
+  end;
+  docs = {
+    description = [[
+https://github.com/rcjsuen/dockerfile-language-server-nodejs
+
+`dockerfile-language-server` can be installed via `:LspInstall tsserver` or by yourself with `npm`: 
+```sh
+npm install -g docker-language-server-nodejs
+```
+    ]];
+    default_config = {
+      root_dir = [[root_pattern("Dockerfile")]];
+    };
+  };
+};
+
+skeleton[server_name].install = installer.install
+skeleton[server_name].install_info = installer.info
+-- vim:et ts=2 sw=2
+