improvement: accept multiple fields in AshPhoenix.Form.clear_value/2 (#67)

lib/ash_phoenix/form/form.ex

@@ -2070,8 +2070,14 @@ defmodule AshPhoenix.Form do
 
   @doc """
   Clears a given input's value on a form.
+
+  Accepts a field (atom) or a list of fields (atoms) as a second argument.
   """
-  @spec clear_value(t(), atom) :: any()
+  @spec clear_value(t(), atom | [atom]) :: t()
+  def clear_value(form, field_or_fields) when is_list(field_or_fields) do
+    Enum.reduce(field_or_fields, form, &clear_value(&2, &1))
+  end
+
   def clear_value(form, field) do
     form = require_form!(form)
     string_and_atom = [field, to_string(field)]

test/form_test.exs

@@ -129,6 +129,31 @@ defmodule AshPhoenix.FormTest do
       assert form.source.params == %{}
       assert form.params == %{}
     end
+
+    test "it clears multiple fields" do
+      form =
+        Post
+        |> Form.for_create(:create)
+        |> Form.validate(%{"excerpt" => "text", "text" => "text"})
+
+      assert Form.value(form, :excerpt) == "text"
+      assert Form.value(form, :text) == "text"
+
+      assert form.source.attributes == %{text: "text"}
+      assert form.source.arguments == %{excerpt: "text"}
+      assert form.source.params == %{"excerpt" => "text", "text" => "text"}
+      assert form.params == %{"excerpt" => "text", "text" => "text"}
+
+      form = Form.clear_value(form, [:excerpt, :text])
+
+      assert Form.value(form, :text) == nil
+      assert Form.value(form, :excerpt) == nil
+
+      assert form.params == %{}
+      assert form.source.arguments == %{}
+      assert form.source.attributes == %{}
+      assert form.source.params == %{}
+    end
   end
 
   describe "form_for fields" do