impl for telescope

lua/spooky/templates/choose/builtin.lua

@@ -6,19 +6,20 @@ M.choose_one = function (fullpaths, user, do_with_choice)
   local no_template = user.ui.no_template
   local show_full = user.ui.select_full_path
   local show_no_template = user.show_no_template
-  local representation = (function ()
-    local ret = {}
+  local representation, mappings = (function ()
+    local ret, map = {}, {}
     for _, fullpath in ipairs(fullpaths) do
       local path = show_full and fullpath or vim.fn.fnamemodify(fullpath, ':t:r')
       table.insert(ret, path)
+      map[path] = fullpath
     end
     if show_no_template then table.insert(ret, no_template) end
-    return ret
+    return ret, map
   end)()
 
-  vim.ui.select(representation, { prompt = user.ui.prompt }, function (choice, idx)
+  vim.ui.select(representation, { prompt = user.ui.prompt }, function (choice, _)
     if choice == nil or choice == no_template then return end
-    local fullpath = fullpaths[idx]
+    local fullpath = assert(mappings[choice])
     do_with_choice(fullpath)
   end)
 end

lua/spooky/templates/choose/telescope.lua

@@ -5,13 +5,15 @@ local M = {}
 -- Telescope picker to select a single item from a list
 -- and return the selected item, or nil if none selected.
 -- User should have Telescope dependency installed.
-M.choose_one = function (buf, items, user, do_with_choice)
+M.choose_one = function (buf, fullpaths, user, do_with_choice)
   assert(require 'telescope', 'Telescope is not installed')
 
   local opts = user.ui.telescope_opts
   local prompt = user.ui.prompt
   local previewer_prompt = user.ui.previewer_prompt
   local no_template = user.ui.no_template
+  local show_full = user.ui.select_full_path
+  local show_no_template = user.ui.show_no_template
 
   local pickers = require 'telescope.pickers'
   local finders = require 'telescope.finders'
@@ -21,15 +23,32 @@ M.choose_one = function (buf, items, user, do_with_choice)
   local action_state = require 'telescope.actions.state'
   local util = require 'telescope.previewers.utils'
 
+  -- Alright, so this could seem confusing, but there's good reason.
+  -- `representation` is the list of filepaths, full or not full,
+  -- that will be displayed in the picker as the options to choose from.
+  -- `mappings` is a table whose keys are the options to choose from,
+  -- and values are the full filepaths,
+  -- except for the `no_template` option, which has no value.
+  local representation, mappings = (function ()
+    local ret, map = {}, {}
+    for _, fullpath in ipairs(fullpaths) do
+      local path = show_full and fullpath or vim.fn.fnamemodify(fullpath, ':t:r')
+      table.insert(ret, path)
+      map[path] = fullpath
+    end
+    if show_no_template then table.insert(ret, no_template) end
+    return ret, map
+  end)()
+
   local previewer = previewers.new_buffer_previewer
   { title = previewer_prompt
   , define_preview = function (self, entry, _)
       local entry_name = entry[1]
       if entry_name == no_template then
         vim.api.nvim_buf_set_lines(self.state.bufnr, 0, -1, false, { '' })
       else
-        local filepath = entry_name
-        local content = vim.fn.readfile(filepath)
+        local fullpath = mappings[entry_name]
+        local content = vim.fn.readfile(fullpath)
         local result = (function ()
           if user.ui.preview_normalised then
             local normalised, _ = require('spooky.templates.normalisation').normalise(buf, content)
@@ -51,21 +70,8 @@ M.choose_one = function (buf, items, user, do_with_choice)
     end
   }
 
-  local telescope_choices = (function ()
-    if not user.show_no_template then
-      return items
-    end
-
-    local ret = {}
-    table.insert(ret, no_template)
-    for _, item in ipairs(items) do
-      table.insert(ret, item)
-    end
-    return ret
-  end)()
-
   pickers.new(opts, { prompt_title = prompt
-                    , finder = finders.new_table { results = telescope_choices }
+                    , finder = finders.new_table { results = representation }
                     , sorter = conf.generic_sorter(opts)
                     , previewer = previewer
                     , attach_mappings = function (prompt_buf, _)
@@ -75,7 +81,7 @@ M.choose_one = function (buf, items, user, do_with_choice)
                           if #selection == 1 then
                             local choice = selection[1]
                             if choice == no_template then return end
-                            do_with_choice(choice)
+                            do_with_choice(mappings[choice])
                           elseif #selection ~= 0 then
                             error [[[spooky] Tbh I'm not sure how to do with multiple selections.
                             Please, just pick 1 for now.]]