1 files changed, 36 insertions, 0 deletions
diff --git a/lua/blink/cmp/config/utils.lua b/lua/blink/cmp/config/utils.lua
new file mode 100644
index 0000000..4cbc052
--- /dev/null
+++ b/lua/blink/cmp/config/utils.lua
@@ -0,0 +1,36 @@
+local utils = {}
+
+-- Code taken from @MariaSolOs in a indent-blankline.nvim PR:
+-- https://github.com/lukas-reineke/indent-blankline.nvim/pull/934/files#diff-09ebcaa8c75cd1e92d25640e377ab261cfecaf8351c9689173fd36c2d0c23d94R16
+-- Saves a whopping 20% compared to vim.validate (0.8ms -> 0.64ms)
+
+--- Use the faster validate version if available
+--- @param spec table<string, {[1]:any, [2]:function|string, [3]:string|true|nil}>
+--- NOTE: We disable some Lua diagnostics here since lua_ls isn't smart enough to
+--- realize that we're using an overloaded function.
+function utils._validate(spec)
+  if vim.fn.has('nvim-0.11') == 0 then return vim.validate(spec) end
+  for key, key_spec in pairs(spec) do
+    local message = type(key_spec[3]) == 'string' and key_spec[3] or nil --[[@as string?]]
+    local optional = type(key_spec[3]) == 'boolean' and key_spec[3] or nil --[[@as boolean?]]
+    ---@diagnostic disable-next-line:param-type-mismatch, redundant-parameter
+    vim.validate(key, key_spec[1], key_spec[2], optional, message)
+  end
+end
+
+--- @param path string The path to the field being validated
+--- @param tbl table The table to validate
+--- @param source table The original table that we're validating against
+--- @see vim.validate
+function utils.validate(path, tbl, source)
+  -- validate
+  local _, err = pcall(utils._validate, tbl)
+  if err then error(path .. '.' .. err) end
+
+  -- check for erroneous fields
+  for k, _ in pairs(source) do
+    if tbl[k] == nil then error(path .. '.' .. k .. ': unexpected field found in configuration') end
+  end
+end
+
+return utils