feat: Telescope plugin

lua/telescope/_extensions/todo-comments.lua

@@ -0,0 +1,53 @@
+local has_telescope, telescope = pcall(require, "telescope")
+
+if not has_telescope then
+  error("This plugins requires nvim-telescope/telescope.nvim")
+end
+
+local pickers = require("telescope.builtin")
+local Config = require("todo-comments.config")
+local Highlight = require("todo-comments.highlight")
+local make_entry = require("telescope.make_entry")
+
+local function todo(opts)
+  opts = opts or {}
+  opts.search = Config.rg_regex
+  opts.prompt_title = "Find Todo"
+  opts.use_regex = true
+  local entry_maker = make_entry.gen_from_vimgrep(opts)
+  opts.entry_maker = function(line)
+    local ret = entry_maker(line)
+    ret.display = function(entry)
+      local display = string.format("%s:%s:%s ", entry.filename, entry.lnum,
+                                    entry.col)
+      local text = entry.text
+      local start, finish, kw = Highlight.match(text)
+
+      local hl = {}
+
+      if start then
+        kw = Config.keywords[kw] or kw
+        local icon = Config.options.keywords[kw].icon
+        display = icon .. " " .. display
+        table.insert(hl, { { 1, #icon + 1 }, "TodoFg" .. kw })
+        text = vim.trim(text:sub(start))
+
+        table.insert(hl, {
+          { #display, #display + finish - start + 2 },
+          "TodoBg" .. kw,
+        })
+        table.insert(hl, {
+          { #display + finish - start + 1, #display + finish + 1 + #text },
+          "TodoFg" .. kw,
+        })
+        display = display .. " " .. text
+      end
+
+      return display, hl
+    end
+    return ret
+  end
+  pickers.grep_string(opts)
+end
+
+return telescope.register_extension { exports = { todo = todo } }