1 files changed, 62 insertions, 0 deletions
diff --git a/lua/lvim/lsp/utils.lua b/lua/lvim/lsp/utils.lua
new file mode 100644
index 00000000..a34fbf44
--- /dev/null
+++ b/lua/lvim/lsp/utils.lua
@@ -0,0 +1,62 @@
+local M = {}
+
+local tbl = require "lvim.utils.table"
+
+function M.is_client_active(name)
+  local clients = vim.lsp.get_active_clients()
+  return tbl.find_first(clients, function(client)
+    return client.name == name
+  end)
+end
+
+function M.get_active_clients_by_ft(filetype)
+  local matches = {}
+  local clients = vim.lsp.get_active_clients()
+  for _, client in pairs(clients) do
+    local supported_filetypes = client.config.filetypes or {}
+    if client.name ~= "null-ls" and vim.tbl_contains(supported_filetypes, filetype) then
+      table.insert(matches, client)
+    end
+  end
+  return matches
+end
+
+function M.get_client_capabilities(client_id)
+  if not client_id then
+    local buf_clients = vim.lsp.buf_get_clients()
+    for _, buf_client in ipairs(buf_clients) do
+      if buf_client.name ~= "null-ls" then
+        client_id = buf_client.id
+        break
+      end
+    end
+  end
+  if not client_id then
+    error "Unable to determine client_id"
+    return
+  end
+
+  local client = vim.lsp.get_client_by_id(tonumber(client_id))
+
+  local enabled_caps = {}
+  for capability, status in pairs(client.resolved_capabilities) do
+    if status == true then
+      table.insert(enabled_caps, capability)
+    end
+  end
+
+  return enabled_caps
+end
+
+function M.get_supported_filetypes(server_name)
+  -- print("got filetypes query request for: " .. server_name)
+  local configs = require "lspconfig/configs"
+  pcall(require, ("lspconfig/" .. server_name))
+  for _, config in pairs(configs) do
+    if config.name == server_name then
+      return config.document_config.default_config.filetypes or {}
+    end
+  end
+end
+
+return M