refactor: rename "server_configurations" => "configs" #3330

Problem:
The name `server_configurations` is extremely verbose and irritatingly
formal and dogmatic. This overlong name is a constant nuisance when
reading, writing, and coding.

It's also not even correct: these configurations are just as much
"client" configurations as they are "server" configurations.

Solution:
- Rename to a shorter name.
- Leave placeholder files for any old URLs that link to the old
  location.

1 files changed, 44 insertions, 0 deletions

diff --git a/lua/lspconfig/configs/jsonnet_ls.lua b/lua/lspconfig/configs/jsonnet_ls.lua
new file mode 100644
index 00000000..e2e7bffa
--- /dev/null
+++ b/lua/lspconfig/configs/jsonnet_ls.lua
@@ -0,0 +1,44 @@
+local util = require 'lspconfig.util'
+
+-- common jsonnet library paths
+local function jsonnet_path(root_dir)
+  local paths = {
+    util.path.join(root_dir, 'lib'),
+    util.path.join(root_dir, 'vendor'),
+  }
+  return table.concat(paths, ':')
+end
+
+return {
+  default_config = {
+    cmd = { 'jsonnet-language-server' },
+    filetypes = { 'jsonnet', 'libsonnet' },
+    single_file_support = true,
+    root_dir = function(fname)
+      return util.root_pattern 'jsonnetfile.json'(fname) or util.find_git_ancestor(fname)
+    end,
+    on_new_config = function(new_config, root_dir)
+      if not new_config.cmd_env then
+        new_config.cmd_env = {}
+      end
+      if not new_config.cmd_env.JSONNET_PATH then
+        new_config.cmd_env.JSONNET_PATH = jsonnet_path(root_dir)
+      end
+    end,
+  },
+  docs = {
+    description = [[
+https://github.com/grafana/jsonnet-language-server
+
+A Language Server Protocol (LSP) server for Jsonnet.
+
+The language server can be installed with `go`:
+```sh
+go install github.com/grafana/jsonnet-language-server@latest
+```
+]],
+    default_config = {
+      root_dir = [[root_pattern("jsonnetfile.json")]],
+    },
+  },
+}