To form vs form for

example/lib/live_phone_example_web.ex

@@ -79,7 +79,9 @@ defmodule LivePhoneExampleWeb do
   defp view_helpers do
     quote do
       # Use all HTML functionality (forms, tags, etc)
-      use Phoenix.HTML
+      import Phoenix.HTML
+      import Phoenix.HTML.Form
+      use PhoenixHTMLHelpers
 
       # Import LiveView helpers (live_render, live_component, live_patch, etc)
       import Phoenix.LiveView.Helpers

example/lib/live_phone_example_web/views/error_helpers.ex

@@ -3,7 +3,9 @@ defmodule LivePhoneExampleWeb.ErrorHelpers do
   Conveniences for translating and building error messages.
   """
 
-  use Phoenix.HTML
+  import Phoenix.HTML
+  import Phoenix.HTML.Form
+  use PhoenixHTMLHelpers
 
   @doc """
   Generates tag for inlined form input errors.

lib/live_phone.ex

@@ -5,7 +5,8 @@ defmodule LivePhone do
   """
 
   use Phoenix.LiveComponent
-  use Phoenix.HTML
+  import Phoenix.HTML.Form
+  use PhoenixHTMLHelpers
 
   alias Phoenix.LiveView.Socket
   alias LivePhone.{Country, Util}

mix.exs

@@ -6,8 +6,8 @@ defmodule LivePhone.MixProject do
   def project do
     [
       app: :live_phone,
-      version: "0.7.0",
-      elixir: "~> 1.12",
+      version: "0.7.1",
+      elixir: "~> 1.13",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
       description: description(),
@@ -58,6 +58,7 @@ defmodule LivePhone.MixProject do
     [
       {:phoenix_live_view, ">= 0.0.0"},
       {:phoenix_html, ">= 0.0.0"},
+      {:phoenix_html_helpers, "~> 1.0"},
       {:ex_phone_number, ">= 0.0.0"},
       {:jason, ">= 0.0.0"},
       {:iso, ">= 0.0.0"},

test/live_phone_test.exs

@@ -1,6 +1,7 @@
 defmodule LivePhoneTest do
   use ExUnit.Case
   import Phoenix.{LiveViewTest, ConnTest}
+  alias Phoenix.HTML.FormData
   doctest LivePhone
 
   @endpoint LivePhoneTestApp.Endpoint
@@ -61,28 +62,32 @@ defmodule LivePhoneTest do
   end
 
   test "support setting form and field from changeset (new)" do
-    use Phoenix.HTML
+    use PhoenixHTMLHelpers
 
     changeset = LivePhoneTestApp.User.changeset()
 
-    form = form_for(changeset, "/")
-    component = render_live_phone(id: "livephone", form: form, field: :phone)
+    component =
+      render_live_phone(id: "livephone", form: FormData.to_form(changeset, []), field: :phone)
 
     assert component =~ "name=\"user[phone]\""
     assert component =~ "value=\"\""
   end
 
   test "support setting form and field from changeset (edit)" do
-    use Phoenix.HTML
+    use PhoenixHTMLHelpers
 
     changeset =
       LivePhoneTestApp.User.changeset(
         %LivePhoneTestApp.User{},
         %{id: 1, phone: "+16502530000"}
       )
 
-    form = form_for(changeset, "/")
-    component = render_live_phone(id: "livephone", form: form, field: :phone)
+    component =
+      render_live_phone(
+        id: "livephone",
+        form: FormData.to_form(changeset, []),
+        field: :phone
+      )
 
     assert component =~ "name=\"user[phone]\""
     assert component =~ "value=\"+16502530000\""

test/support/test_endpoint.ex

@@ -12,7 +12,7 @@ defmodule LivePhoneTestApp do
   end
 
   defmodule Page do
-    use Phoenix.HTML
+    use PhoenixHTMLHelpers
     use Phoenix.LiveView
 
     @impl true