feat(builtin.treesitter): add symbol_width opt (#3105)

* Add options to customize length of symbols and line numbers for gen_from_treesitter

* Revert adding symbol_type_width option

* Add docs and type hint

doc/telescope.txt

@@ -970,6 +970,8 @@ builtin.treesitter()                          *telescope.builtin.treesitter()*
         {bufnr}             (number)        specify the buffer number where
                                             treesitter should run. (default:
                                             current buffer)
+        {symbol_width}      (number)        defines the width of the symbol
+                                            section (default: 25)
         {symbols}           (string|table)  filter results by symbol kind(s)
         {ignore_symbols}    (string|table)  list of symbols to ignore
         {symbol_highlights} (table)         string -> string. Matches symbol

lua/telescope/builtin/init.lua

@@ -94,6 +94,7 @@ builtin.fd = builtin.find_files
 ---   - `<C-l>`: show autocompletion menu to prefilter your query by kind of ts node you want to see (i.e. `:var:`)
 ---@field show_line boolean: if true, shows the row:column that the result is found at (default: true)
 ---@field bufnr number: specify the buffer number where treesitter should run. (default: current buffer)
+---@field symbol_width number: defines the width of the symbol section (default: 25)
 ---@field symbols string|table: filter results by symbol kind(s)
 ---@field ignore_symbols string|table: list of symbols to ignore
 ---@field symbol_highlights table: string -> string. Matches symbol with hl_group

lua/telescope/make_entry.lua

@@ -657,7 +657,7 @@ function make_entry.gen_from_treesitter(opts)
   local bufnr = opts.bufnr or vim.api.nvim_get_current_buf()
 
   local display_items = {
-    { width = 25 },
+    { width = opts.symbol_width or 25 },
     { width = 10 },
     { remaining = true },
   }