feat: add Nickel Language Server (#1370)

1 files changed, 38 insertions, 0 deletions

diff --git a/lua/lspconfig/nickel_ls.lua b/lua/lspconfig/nickel_ls.lua
new file mode 100644
index 00000000..93508a66
--- /dev/null
+++ b/lua/lspconfig/nickel_ls.lua
@@ -0,0 +1,38 @@
+local configs = require 'lspconfig/configs'
+local util = require 'lspconfig/util'
+
+configs.nickel_ls = {
+  default_config = {
+    cmd = { 'nls' },
+    filetypes = { 'ncl', 'nickel' },
+    root_dir = util.find_git_ancestor,
+  },
+
+  docs = {
+    description = [[
+Nickel Language Server
+
+https://github.com/tweag/nickel
+
+`nls` can be installed with nix, or cargo, from the Nickel repository.
+```sh
+git clone https://github.com/tweag/nickel.git
+```
+
+Nix:
+```sh
+cd nickel
+nix-env -f . -i
+```
+
+cargo:
+```sh
+cd nickel/lsp/nls
+cargo install --path .
+```
+
+In order to have lspconfig detect Nickel filetypes (a prequisite for autostarting a server),
+install the [Nickel vim plugin](https://github.com/nickel-lang/vim-nickel).
+        ]],
+  },
+}