Add telescope pickers for markdown files and grepping

Add telescope functionality, a default picker, and pickers for markdown files and grepping in markdown files.

* **Telescope Configuration:**
  - Add `setup_telescope` function in `lua/telescope/_extensions/word/init.lua` to configure telescope pickers for markdown files and grepping in markdown files.
  - Update `setup` function to call `setup_telescope`.
  - Update `exports` table to include new pickers for markdown files and grepping in markdown files.

* **Configuration Options:**
  - Add configuration options for the new telescope pickers in `lua/telescope/_extensions/word/config/init.lua`.

* **Core Functionality:**
  - Add core functionality for the new telescope pickers in `lua/telescope/_extensions/word/core/init.lua`.

* **Data Handling:**
  - Add data handling for the new telescope pickers in `lua/telescope/_extensions/word/data/init.lua`.

* **Finders:**
  - Add a new finder for browsing markdown files in `lua/telescope/_extensions/word/finders/browse.lua`.
  - Add a new finder for finding markdown files in `lua/telescope/_extensions/word/finders/files.lua`.
  - Add a new finder for grepping in markdown files in `lua/telescope/_extensions/word/finders/grep.lua`.
  - Update the `init` function in `lua/telescope/_extensions/word/finders/init.lua` to include the new finders.
  - Add a new root finder for the new telescope pickers in `lua/telescope/_extensions/word/finders/root.lua`.

* **Pickers:**
  - Add a new picker for the new telescope pickers in `lua/telescope/_extensions/word/picker/init.lua`.

* **Utility Functions:**
  - Add utility functions for the new telescope pickers in `lua/telescope/_extensions/word/util/init.lua`.

* **Integration:**
  - Update `lua/word/init.lua` to call the new telescope pickers.
  - Add treesitter integration for the new telescope pickers in `lua/word/mod/treesitter/init.lua`.
  - Add UI integration for the new telescope pickers in `lua/word/mod/ui/init.lua`.
  - Add workspace integration for the new telescope pickers in `lua/word/mod/workspace/init.lua`.
  - Add UI components for the new telescope pickers in `lua/word/ui/init.lua`.

---

For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/clpi/word.lua?shareId=XXXX-XXXX-XXXX-XXXX).

lua/telescope/_extensions/word/config/init.lua

@@ -0,0 +1,22 @@
+local config = {}
+
+config.telescope_pickers = {
+  markdown_files = {
+    theme = "dropdown",
+    previewer = false,
+    layout_config = {
+      width = 0.5,
+      height = 0.4,
+    },
+  },
+  grep_markdown_files = {
+    theme = "dropdown",
+    previewer = false,
+    layout_config = {
+      width = 0.5,
+      height = 0.4,
+    },
+  },
+}
+
+return config

lua/telescope/_extensions/word/core/init.lua

@@ -0,0 +1,20 @@
+local M = {}
+
+local function browse_markdown_files(opts)
+  opts = opts or {}
+  opts.prompt_title = "Browse Markdown Files"
+  opts.find_command = { "rg", "--files", "--glob", "*.md" }
+  require("telescope.builtin").find_files(opts)
+end
+
+local function grep_markdown_files(opts)
+  opts = opts or {}
+  opts.prompt_title = "Grep in Markdown Files"
+  opts.search_dirs = { "path/to/markdown/files" }
+  require("telescope.builtin").live_grep(opts)
+end
+
+M.browse_markdown_files = browse_markdown_files
+M.grep_markdown_files = grep_markdown_files
+
+return M

lua/telescope/_extensions/word/data/init.lua

@@ -1,3 +1,21 @@
 local bi = require("telescope.builtin")
 local act = require("telescope.actions")
 local state = require("telescope.actions.state")
+
+local M = {}
+
+M.browse_markdown_files = function(opts)
+  opts = opts or {}
+  opts.prompt_title = "Browse Markdown Files"
+  opts.find_command = { "rg", "--files", "--glob", "*.md" }
+  bi.find_files(opts)
+end
+
+M.grep_markdown_files = function(opts)
+  opts = opts or {}
+  opts.prompt_title = "Grep in Markdown Files"
+  opts.search_dirs = { "path/to/markdown/files" }
+  bi.live_grep(opts)
+end
+
+return M

lua/telescope/_extensions/word/finders/browse.lua

@@ -0,0 +1,26 @@
+local finders = require("telescope.finders")
+local sorters = require("telescope.sorters")
+local pickers = require("telescope.pickers")
+local previewers = require("telescope.previewers")
+local actions = require("telescope.actions")
+local action_state = require("telescope.actions.state")
+
+local browse_markdown_files = function(opts)
+  opts = opts or {}
+  pickers.new(opts, {
+    prompt_title = "Browse Markdown Files",
+    finder = finders.new_oneshot_job({ "rg", "--files", "--glob", "*.md" }, opts),
+    sorter = sorters.get_fuzzy_file(),
+    previewer = previewers.vim_buffer_cat.new(opts),
+    attach_mappings = function(prompt_bufnr, map)
+      actions.select_default:replace(function()
+        local selection = action_state.get_selected_entry()
+        actions.close(prompt_bufnr)
+        vim.cmd("edit " .. selection.value)
+      end)
+      return true
+    end,
+  }):find()
+end
+
+return browse_markdown_files

lua/telescope/_extensions/word/finders/files.lua

@@ -0,0 +1,26 @@
+local finders = require("telescope.finders")
+local sorters = require("telescope.sorters")
+local pickers = require("telescope.pickers")
+local previewers = require("telescope.previewers")
+local actions = require("telescope.actions")
+local action_state = require("telescope.actions.state")
+
+local find_markdown_files = function(opts)
+  opts = opts or {}
+  pickers.new(opts, {
+    prompt_title = "Find Markdown Files",
+    finder = finders.new_oneshot_job({ "rg", "--files", "--glob", "*.md" }, opts),
+    sorter = sorters.get_fuzzy_file(),
+    previewer = previewers.vim_buffer_cat.new(opts),
+    attach_mappings = function(prompt_bufnr, map)
+      actions.select_default:replace(function()
+        local selection = action_state.get_selected_entry()
+        actions.close(prompt_bufnr)
+        vim.cmd("edit " .. selection.value)
+      end)
+      return true
+    end,
+  }):find()
+end
+
+return find_markdown_files

lua/telescope/_extensions/word/finders/grep.lua

@@ -0,0 +1,26 @@
+local finders = require("telescope.finders")
+local sorters = require("telescope.sorters")
+local pickers = require("telescope.pickers")
+local previewers = require("telescope.previewers")
+local actions = require("telescope.actions")
+local action_state = require("telescope.actions.state")
+
+local grep_markdown_files = function(opts)
+  opts = opts or {}
+  pickers.new(opts, {
+    prompt_title = "Grep in Markdown Files",
+    finder = finders.new_oneshot_job({ "rg", "--files", "--glob", "*.md" }, opts),
+    sorter = sorters.get_fuzzy_file(),
+    previewer = previewers.vim_buffer_vimgrep.new(opts),
+    attach_mappings = function(prompt_bufnr, map)
+      actions.select_default:replace(function()
+        local selection = action_state.get_selected_entry()
+        actions.close(prompt_bufnr)
+        vim.cmd("edit " .. selection.value)
+      end)
+      return true
+    end,
+  }):find()
+end
+
+return grep_markdown_files

lua/telescope/_extensions/word/finders/init.lua

@@ -0,0 +1,14 @@
+local browse_markdown_files = require("telescope._extensions.word.finders.browse")
+local find_markdown_files = require("telescope._extensions.word.finders.files")
+local grep_markdown_files = require("telescope._extensions.word.finders.grep")
+
+local M = {}
+
+function M.init()
+  -- Initialize the finders
+  browse_markdown_files()
+  find_markdown_files()
+  grep_markdown_files()
+end
+
+return M

lua/telescope/_extensions/word/finders/root.lua

@@ -0,0 +1,19 @@
+local browse_markdown_files = require("telescope._extensions.word.finders.browse")
+local find_markdown_files = require("telescope._extensions.word.finders.files")
+local grep_markdown_files = require("telescope._extensions.word.finders.grep")
+
+local M = {}
+
+function M.browse_markdown_files(opts)
+  browse_markdown_files(opts)
+end
+
+function M.find_markdown_files(opts)
+  find_markdown_files(opts)
+end
+
+function M.grep_markdown_files(opts)
+  grep_markdown_files(opts)
+end
+
+return M

lua/telescope/_extensions/word/init.lua

@@ -1,21 +1,15 @@
 local hastel, tel = pcall(require, "telescope")
 local hasact, act = pcall(require, "telescope.actions")
--- local set = require("telescope.actions.set")
--- local sta = require("telescope.actions.state")
--- local edi = require("telescope.pickers.entry_display")
--- local cfg = require("telescope.config")
 local haspic, pic = pcall(require, "telescope.pickers")
 local hassrt, srt = pcall(require, "telescope.sorters")
 local hasfnd, fnd = pcall(require, "telescope.finders")
-local haspre, pre = pcall(require,"telescope.previewers"))
+local haspre, pre = pcall(require, "telescope.previewers")
 local hasbui, bui = pcall(require, "telescope.builtin")
--- local win = require("telescope.pickers.window")
 
 local has_word, word = pcall(require, "word")
 
 local M = {}
 
-
 function M.setup_keys()
   local map = vim.api.nvim_set_keymap
   local opt = { noremap = true, silent = true }
@@ -34,7 +28,7 @@ function M.custom_picker()
       }
     },
     attach_mappings = function(prompt_bufnr, map)
-      act.select_base:replace(function()
+      act.select_default:replace(function()
         local sel = act.get_selected_entry()
         act.close(prompt_bufnr)
         if sel.value == 'Index' then
@@ -53,22 +47,73 @@ function M.custom_picker()
   }):find()
 end
 
+function M.setup_telescope()
+  tel.setup {
+    extensions = {
+      word = {
+        pickers = {
+          markdown_files = {
+            theme = "dropdown",
+            previewer = false,
+            layout_config = {
+              width = 0.5,
+              height = 0.4,
+            },
+          },
+          grep_markdown_files = {
+            theme = "dropdown",
+            previewer = false,
+            layout_config = {
+              width = 0.5,
+              height = 0.4,
+            },
+          },
+        },
+      },
+    },
+  }
+end
+
 function M.setup()
+  M.setup_telescope()
   tel.register_extension({
     exports = {
-      notes = M.custom_picker(),
-      headings = bui.live_grep(),
-      grep = bui.live_grep()
+      notes = M.custom_picker,
+      headings = bui.live_grep,
+      grep = bui.live_grep,
+      markdown_files = function(opts)
+        opts = opts or {}
+        opts.prompt_title = "Markdown Files"
+        opts.find_command = { "rg", "--files", "--glob", "*.md" }
+        bui.find_files(opts)
+      end,
+      grep_markdown_files = function(opts)
+        opts = opts or {}
+        opts.prompt_title = "Grep in Markdown Files"
+        opts.search_dirs = { "path/to/markdown/files" }
+        bui.live_grep(opts)
+      end,
     }
   })
   tel.load_extension("word")
 end
 
--- return M
---
 return tel.register_extension {
-  -- setup = word.setup,
   exports = {
-    -- word = require("telescope.builtin").find_files
+    notes = M.custom_picker,
+    headings = bui.live_grep,
+    grep = bui.live_grep,
+    markdown_files = function(opts)
+      opts = opts or {}
+      opts.prompt_title = "Markdown Files"
+      opts.find_command = { "rg", "--files", "--glob", "*.md" }
+      bui.find_files(opts)
+    end,
+    grep_markdown_files = function(opts)
+      opts = opts or {}
+      opts.prompt_title = "Grep in Markdown Files"
+      opts.search_dirs = { "path/to/markdown/files" }
+      bui.live_grep(opts)
+    end,
   }
 }

lua/telescope/_extensions/word/picker/init.lua

@@ -0,0 +1,43 @@
+local pickers = require("telescope.pickers")
+local finders = require("telescope.finders")
+local sorters = require("telescope.sorters")
+local actions = require("telescope.actions")
+local action_state = require("telescope.actions.state")
+
+local M = {}
+
+function M.markdown_files(opts)
+  opts = opts or {}
+  pickers.new(opts, {
+    prompt_title = "Markdown Files",
+    finder = finders.new_oneshot_job({ "rg", "--files", "--glob", "*.md" }),
+    sorter = sorters.get_fuzzy_file(),
+    attach_mappings = function(prompt_bufnr, map)
+      actions.select_default:replace(function()
+        local selection = action_state.get_selected_entry()
+        actions.close(prompt_bufnr)
+        vim.cmd("edit " .. selection[1])
+      end)
+      return true
+    end,
+  }):find()
+end
+
+function M.grep_markdown_files(opts)
+  opts = opts or {}
+  pickers.new(opts, {
+    prompt_title = "Grep in Markdown Files",
+    finder = finders.new_oneshot_job({ "rg", "--files", "--glob", "*.md" }),
+    sorter = sorters.get_fuzzy_file(),
+    attach_mappings = function(prompt_bufnr, map)
+      actions.select_default:replace(function()
+        local selection = action_state.get_selected_entry()
+        actions.close(prompt_bufnr)
+        vim.cmd("grep " .. selection[1])
+      end)
+      return true
+    end,
+  }):find()
+end
+
+return M

lua/telescope/_extensions/word/util/init.lua

@@ -8,4 +8,28 @@ function M.word(ns)
   a.nvim_create_namespace(ns)
 end
 
+function M.get_markdown_files()
+  local markdown_files = {}
+  local handle = io.popen('find . -type f -name "*.md"')
+  if handle then
+    for file in handle:lines() do
+      table.insert(markdown_files, file)
+    end
+    handle:close()
+  end
+  return markdown_files
+end
+
+function M.grep_markdown_files(query)
+  local results = {}
+  local handle = io.popen('grep -r "' .. query .. '" . --include "*.md"')
+  if handle then
+    for line in handle:lines() do
+      table.insert(results, line)
+    end
+    handle:close()
+  end
+  return results
+end
+
 return M

lua/word/init.lua

@@ -68,6 +68,9 @@ function W.setup(conf)
 
   -- Call Mod.load_mods to load all inits
   -- mod.load_mods()
+
+  -- P9884
+  require("telescope").load_extension("word")
 end
 
 function W.enter_md(manual, arguments)