WIP: Actually get the UI to work and add some tests

scratch/simplest_test.lua

@@ -0,0 +1,31 @@
+require('plenary.reload').reload_module('telescope')
+
+local telescope = require('telescope')
+
+-- What is a finder?
+--  Finders return a list of stuff that you want to fuzzy look through.
+--  Finders can be static or not.
+--  Static finders just return a list that never changes
+--  Otherwise they return a new list on each input, you should handle them async.
+local file_finder = telescope.finders.new {
+  static = true,
+
+  fn_command = function() return 'git ls-files' end,
+}
+
+local file_previewer = telescope.previewers.vim_buffer_or_bat
+
+local file_picker = telescope.pickers.new {
+  previewer = file_previewer
+}
+
+local file_sorter = telescope.sorters.get_ngram_sorter()
+-- local file_sorter = require('telescope.sorters').get_levenshtein_sorter()
+
+file_picker:find {
+  prompt = 'Simple File',
+  finder = file_finder,
+  sorter = file_sorter,
+}
+
+local x = function() end