feat: add telescope integration

doc/fidget.txt

@@ -296,9 +296,20 @@ those highlight groups.
 You can override these highlight groups (e.g., `icon_style`) using the
 |fidget-options| shown above.
 
+==============================================================================
+6. Telescope                                                *fidget-telescope*
+
+Fidget is bundled with a telescope picker extension, the picker will show all
+history notifications, same as `Fidget history`. To enable it, add the 
+following to your config.
+>lua
+    require("telescope").load_extension("fidget")
+<
+
+Use command `:Telescope fidget` or lua api `lua require("telescope").extensions.fidget.fidget()` 
 
 ==============================================================================
-6. Related Work                                          *fidget-related-work*
+7. Related Work                                          *fidget-related-work*
 
 rcarriga/nvim-notify <https://github.com/rcarriga/nvim-notify> is first and
 foremost a `vim.notify()` backend, and it also supports LSP progress

lua/telescope/_extensions/fidget.lua

@@ -0,0 +1,93 @@
+local actions = require("telescope.actions")
+local conf = require("telescope.config").values
+local entry_display = require("telescope.pickers.entry_display")
+local finders = require("telescope.finders")
+local notification = require("fidget.notification")
+local pickers = require("telescope.pickers")
+local telescope = require("telescope")
+
+local fidget_picker = function(opts)
+  opts = opts or {}
+
+  local displayer = entry_display.create({
+    separator = " ",
+    items = {
+      {},
+      {},
+      {},
+      { width = 4 },
+      { remaining = true },
+    },
+  })
+
+  pickers
+    .new(opts, {
+      prompt_title = "Notifications",
+      finder = finders.new_table({
+        results = notification.get_history(),
+        entry_maker = function(entry)
+          return {
+            value = entry,
+            display = function()
+              local chunks = {}
+
+              table.insert(
+                chunks,
+                { vim.fn.strftime("%c", entry.last_updated), "Comment" }
+              )
+
+              if entry.group_name and #entry.group_name > 0 then
+                table.insert(chunks, { entry.group_name, "Special" })
+              else
+                table.insert(chunks, { " ", "MsgArea" })
+              end
+
+              table.insert(chunks, { " | ", "Comment" })
+
+              if entry.annote and #entry.annote > 0 then
+                table.insert(chunks, { entry.annote, entry.style })
+              else
+                table.insert(chunks, { " ", "MsgArea" })
+              end
+
+              table.insert(chunks, { entry.message, "MsgArea" })
+
+              return displayer(chunks)
+            end,
+            ordinal = entry.message,
+          }
+        end,
+      }),
+      sorter = conf.generic_sorter(opts),
+      attach_mappings = function(prompt_bufnr, _)
+        actions.select_default:replace(function()
+          actions.close(prompt_bufnr)
+        end)
+
+        actions.select_horizontal:replace(function()
+          actions.close(prompt_bufnr)
+        end)
+
+        actions.select_vertical:replace(function()
+          actions.close(prompt_bufnr)
+        end)
+
+        actions.select_tab:replace(function()
+          actions.close(prompt_bufnr)
+        end)
+
+        return true
+      end,
+    })
+    :find()
+end
+
+return telescope.register_extension({
+  setup = function() end,
+
+  exports = {
+    fidget = function(opts)
+      fidget_picker(opts)
+    end,
+  },
+})