Add fuzzy matching to option plugin (#128)

Relates to #121

Author: maciej-szlosarczyk

lib/elixir_sense/plugins/option.ex

@@ -2,6 +2,7 @@ defmodule ElixirSense.Plugins.Option do
   @moduledoc false
 
   alias ElixirSense.Plugins.Util
+  alias ElixirSense.Providers.Suggestion.Matcher
 
   def find(options, hint, fun) do
     for option <- options, match_hint?(option, hint) do
@@ -32,6 +33,6 @@ defmodule ElixirSense.Plugins.Option do
     option
     |> Map.fetch!(:name)
     |> to_string()
-    |> String.starts_with?(hint)
+    |> Matcher.match?(hint)
   end
 end

test/elixir_sense/plugins/ecto_test.exs

@@ -639,6 +639,28 @@ defmodule ElixirSense.Plugins.EctoTest do
                "virtual"
              ]
     end
+
+    test "at arg 2, suggest fuzzy field options" do
+      buffer = """
+      import Ecto.Schema
+      field :name, :string, deau
+      #                         ^
+      """
+
+      [cursor] = cursors(buffer)
+      result = suggestions(buffer, cursor)
+      assert Enum.map(result, & &1.label) == ["default"]
+
+      buffer = """
+      import Ecto.Schema
+      field :name, :string, pri_ke
+      #                           ^
+      """
+
+      [cursor] = cursors(buffer)
+      result = suggestions(buffer, cursor)
+      assert Enum.map(result, & &1.label) == ["primary_key"]
+    end
   end
 
   describe "suggestions for Ecto.Migration.add/3" do