add symbol usage neovim plugin

nvim/init.lua

@@ -94,6 +94,9 @@ require('lazy').setup({
     -- Plugins for color highlight
     require 'custom.plugins.colorizer',
 
+    -- Symbol usage plugin
+    require 'custom.plugins.symbol_usage',
+
     -- Autoformat markdown tables
     {
         'Kicamon/markdown-table-mode.nvim',

nvim/lazy-lock.json

@@ -45,6 +45,7 @@
   "rose-pine": { "branch": "main", "commit": "7d1b5c7dcd274921f0f58e90a8bf935f6a95fbf3" },
   "rustaceanvim": { "branch": "master", "commit": "2b0f0b7e03751cf8ed123322f9b02d8f73fa9df7" },
   "sonokai": { "branch": "master", "commit": "9679341d4141ed81376f2bdf5e69b78dc348d212" },
+  "symbol-usage.nvim": { "branch": "main", "commit": "e07c07dfe7504295a369281e95a24e1afa14b243" },
   "telescope-fzf-native.nvim": { "branch": "main", "commit": "1f08ed60cafc8f6168b72b80be2b2ea149813e55" },
   "telescope-ui-select.nvim": { "branch": "master", "commit": "6e51d7da30bd139a6950adf2a47fda6df9fa06d2" },
   "telescope.nvim": { "branch": "0.1.x", "commit": "a0bbec21143c7bc5f8bb02e0005fa0b982edc026" },

nvim/lua/custom/plugins/symbol_usage.lua

@@ -0,0 +1,39 @@
+-- Symbol usage plugin
+
+local SymbolKind = vim.lsp.protocol.SymbolKind
+
+local function text_format(symbol)
+    local fragments = {}
+
+    -- Indicator that shows if there are any other symbols in the same line
+    local stacked_functions = symbol.stacked_count > 0 and (' | +%s'):format(symbol.stacked_count) or ''
+
+    if symbol.references then
+        local usage = symbol.references <= 1 and 'usage' or 'usages'
+        local num = symbol.references == 0 and 'no' or symbol.references
+        table.insert(fragments, ('%s %s'):format(num, usage))
+    end
+
+    if symbol.definition then
+        table.insert(fragments, symbol.definition .. ' defs')
+    end
+
+    if symbol.implementation then
+        table.insert(fragments, symbol.implementation .. ' impls')
+    end
+
+    return table.concat(fragments, ', ') .. stacked_functions
+end
+
+return {
+    {
+        'Wansmer/symbol-usage.nvim',
+        event = 'LspAttach', -- need run before LspAttach if you use nvim 0.9. On 0.10 use 'LspAttach'
+        config = function()
+            require('symbol-usage').setup {
+                text_format = text_format,
+                kinds = { SymbolKind.Function, SymbolKind.Method, SymbolKind.Class, SymbolKind.Struct, SymbolKind.Variable, SymbolKind.Constant },
+            }
+        end,
+    },
+}