fix: add get_word

Author: zizhou teng (n451)

lua/obsidian/lsp/handlers/_completion.lua

@@ -1,5 +1,3 @@
-local find, sub, lower = string.find, string.sub, string.lower
-
 local CmpType = {
   ref = 1,
   tag = 2,

lua/obsidian/lsp/handlers/completion.lua

@@ -283,6 +283,19 @@ handlers[CmpType.ref] = function(prefix, range, handler)
   end
 end
 
+---Adpated from none-ls
+---gets word to complete for use in completion sources
+---@param params lsp.CompletionParams
+---@return string word_to_complete
+local get_word_to_complete = function(params)
+  local col = params.position.character + 1
+  local line = vim.api.nvim_get_current_line()
+  local line_to_cursor = line:sub(1, col)
+  local regex = vim.regex "\\k*$"
+
+  return line:sub(regex:match_str(line_to_cursor) + 1, col)
+end
+
 -- TODO: search.find_heading
 -- local function handle_heading() end
 ---@param params lsp.CompletionParams

tests/lsp/test_completion_util.lua

@@ -2,7 +2,7 @@ local eq = MiniTest.expect.equality
 local h = dofile "tests/helpers.lua"
 local M = require "obsidian.lsp.handlers._completion"
 
-local T, child = h.child_vault()
+local T, _ = h.child_vault()
 
 T["get_cmp_type"] = function()
   --                                          012345678