feat(configs): configure which LSP document symbols to show (#203)

* feat(configs): configure which LSP document symbols to show

* docs: include new setting

Author: disrupted

README.md

@@ -1026,6 +1026,34 @@ vim.ui.select = require('dropbar.utils.menu').select
         },
       },
       lsp = {
+        valid_symbols = {
+          'File',
+          'Module',
+          'Namespace',
+          'Package',
+          'Class',
+          'Method',
+          'Property',
+          'Field',
+          'Constructor',
+          'Enum',
+          'Interface',
+          'Function',
+          'Variable',
+          'Constant',
+          'String',
+          'Number',
+          'Boolean',
+          'Array',
+          'Object',
+          'Keyword',
+          'Null',
+          'EnumMember',
+          'Struct',
+          'Event',
+          'Operator',
+          'TypeParameter',
+        },
         request = {
           -- Times to retry a request before giving up
           ttl_init = 60,
@@ -1958,6 +1986,39 @@ each sources.
 
 ##### LSP
 
+- `opts.sources.lsp.valid_symbols:` `string[]`
+  - A list of LSP document symbols to include in the results
+  - Default:
+    ```lua
+    {
+      'File',
+      'Module',
+      'Namespace',
+      'Package',
+      'Class',
+      'Method',
+      'Property',
+      'Field',
+      'Constructor',
+      'Enum',
+      'Interface',
+      'Function',
+      'Variable',
+      'Constant',
+      'String',
+      'Number',
+      'Boolean',
+      'Array',
+      'Object',
+      'Keyword',
+      'Null',
+      'EnumMember',
+      'Struct',
+      'Event',
+      'Operator',
+      'TypeParameter',
+    }
+    ```
 - `opts.sources.lsp.request.ttl_init`: `number`
   - Number of times to retry a request before giving up
   - Default: `60`

doc/dropbar.txt

@@ -1082,6 +1082,38 @@ TREESITTER                  *dropbar-configuration-options-sources-treesitter*
 
 LSP                                *dropbar-configuration-options-sources-lsp*
 
+- `opts.sources.lsp.valid_symbols:` `string[]`
+  - A list of LSP document symbols to include in the results
+  - Default: >lua
+	    {
+	      'File',
+	      'Module',
+	      'Namespace',
+	      'Package',
+	      'Class',
+	      'Method',
+	      'Property',
+	      'Field',
+	      'Constructor',
+	      'Enum',
+	      'Interface',
+	      'Function',
+	      'Variable',
+	      'Constant',
+	      'String',
+	      'Number',
+	      'Boolean',
+	      'Array',
+	      'Object',
+	      'Keyword',
+	      'Null',
+	      'EnumMember',
+	      'Struct',
+	      'Event',
+	      'Operator',
+	      'TypeParameter',
+	    }
+<
 - `opts.sources.lsp.request.ttl_init`: `number`
     - Number of times to retry a request before giving up
     - Default: `60`

lua/dropbar/configs.lua

@@ -767,6 +767,34 @@ M.opts = {
       },
     },
     lsp = {
+      valid_symbols = {
+        'File',
+        'Module',
+        'Namespace',
+        'Package',
+        'Class',
+        'Method',
+        'Property',
+        'Field',
+        'Constructor',
+        'Enum',
+        'Interface',
+        'Function',
+        'Variable',
+        'Constant',
+        'String',
+        'Number',
+        'Boolean',
+        'Array',
+        'Object',
+        'Keyword',
+        'Null',
+        'EnumMember',
+        'Struct',
+        'Event',
+        'Operator',
+        'TypeParameter',
+      },
       request = {
         -- Times to retry a request before giving up
         ttl_init = 60,

lua/dropbar/sources/lsp.lua

@@ -210,10 +210,17 @@ local function convert_document_symbol_list(
   -- is preferred
   for idx, symbol in vim.iter(lsp_symbols):enumerate():rev() do
     if cursor_in_range(cursor, symbol.range) then
-      table.insert(
-        dropbar_symbols,
-        convert_document_symbol(symbol, buf, win, lsp_symbols, idx)
-      )
+      if
+        vim.tbl_contains(
+          configs.opts.sources.lsp.valid_symbols,
+          symbol_kind_names[symbol.kind]
+        )
+      then
+        table.insert(
+          dropbar_symbols,
+          convert_document_symbol(symbol, buf, win, lsp_symbols, idx)
+        )
+      end
       if symbol.children then
         convert_document_symbol_list(
           symbol.children,