feat: Add goto-preview and close_handler

nvim/lua/plugs/goto-preview.lua

@@ -0,0 +1,29 @@
+local close_handler = require("close_handler")
+
+local close_cb_handle = 0
+
+return {
+    "rmagatti/goto-preview",
+    dependencies = { "rmagatti/logger.nvim" },
+    event = "BufEnter",
+    config = true, -- necessary as per https://github.com/rmagatti/goto-preview/issues/88
+    opts = {
+        post_open_hook = function(_, _)
+            close_cb_handle = close_handler.register_on_close_cb(function()
+                require("goto-preview").close_all_win()
+            end)
+        end,
+        post_close_hook = function(_, _)
+            close_handler.remove_on_close_cb(close_cb_handle)
+        end,
+        border = { "↖", "─", "┐", "│", "┘", "─", "└", "│" },
+        focus_on_open = true,
+        stack_floating_preview_windows = false,
+        preview_window_title = { enable = true, position = "left" },
+        vim_ui_input = false,
+    },
+    keys = {
+        { "gp", function() require("goto-preview").goto_preview_definition() end, },
+        { "gy", function() require("goto-preview").goto_preview_type_definition() end, },
+    },
+}