feat: added koka language server support (#3000)

Co-authored-by: ki11errabbit <ki11errabbit@posteo.net>

1 files changed, 36 insertions, 0 deletions

diff --git a/lua/lspconfig/server_configurations/koka.lua b/lua/lspconfig/server_configurations/koka.lua
new file mode 100644
index 00000000..63f38386
--- /dev/null
+++ b/lua/lspconfig/server_configurations/koka.lua
@@ -0,0 +1,36 @@
+local util = require 'lspconfig.util'
+
+local root_files = {}
+
+local default_capabilities = {
+  textDocument = {
+    completion = {
+      editsNearCursor = true,
+    },
+  },
+  offsetEncoding = { 'utf-8' },
+}
+
+return {
+  default_config = {
+    cmd = { 'koka', '--language-server' },
+    filetypes = { 'kk' },
+    root_dir = function(fname)
+      return util.root_pattern(unpack(root_files))(fname) or util.find_git_ancestor(fname)
+    end,
+    single_file_support = true,
+    capabilities = default_capabilities,
+  },
+  commands = {},
+  docs = {
+    description = [[
+    https://koka-lang.github.io/koka/doc/index.html
+Koka is a functional programming language with effect types and handlers.
+    ]],
+    default_config = {
+      root_dir = [[
+      ]],
+      capabilities = [[default capabilities, with offsetEncoding utf-8]],
+    },
+  },
+}