Add some pattern search field helpers

app/helpers/pattern_search_helper.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+# helpers for pattern search forms. These call field helpers in forms_helper.
+# args should provide form, field, label at a minimum.
+module PatternSearchHelper
+  def pattern_search_boolean_field(**args)
+    options = [
+      ["", null],
+      ["yes", "yes"],
+      ["no", "no"]
+    ]
+    select_with_label(options:, **args)
+  end
+
+  def pattern_search_yes_field(**args)
+    check_box_with_label(value: "yes", **args)
+  end
+
+  def pattern_search_yes_no_both_field(**args)
+    options = [
+      ["", null],
+      ["yes", "yes"],
+      ["no", "no"],
+      ["both", "either"]
+    ]
+    select_with_label(options:, **args)
+  end
+end