diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ac7487..4280eb0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## Unreleased
+
+### Added
+
+- `print_to_pdf` now supports a `:timezone` option to set the timezone before navigating with `Emulation.setTimezoneOverride`
+
## [1.17.0] - 2024-08-09
### Changed
diff --git a/lib/chromic_pdf/pdf/protocols/navigate.ex b/lib/chromic_pdf/pdf/protocols/navigate.ex
index 093376d..5d052c7 100644
--- a/lib/chromic_pdf/pdf/protocols/navigate.ex
+++ b/lib/chromic_pdf/pdf/protocols/navigate.ex
@@ -12,6 +12,17 @@ defmodule ChromicPDF.Navigate do
await_response(:cookie_set, [])
end
+ if_option :timezone do
+ call(
+ :timezone,
+ "Emulation.setTimezoneOverride",
+ &%{"timezoneId" => Map.fetch!(&1, :timezone)},
+ %{}
+ )
+
+ await_response(:timezone_set, [])
+ end
+
if_option {:source_type, :html} do
call(:get_frame_tree, "Page.getFrameTree", [], %{})
await_response(:frame_tree, [{["frameTree", "frame", "id"], "frameId"}])
diff --git a/lib/chromic_pdf/supervisor.ex b/lib/chromic_pdf/supervisor.ex
index 92d3859..cfc5251 100644
--- a/lib/chromic_pdf/supervisor.ex
+++ b/lib/chromic_pdf/supervisor.ex
@@ -184,6 +184,7 @@ defmodule ChromicPDF.Supervisor do
| {:assigns, map()}
| evaluate_option()
| wait_for_option()
+ | {:timezone, String.t()}
@type pdf_option ::
{:print_to_pdf, map()}
diff --git a/test/integration/pdf_generation_test.exs b/test/integration/pdf_generation_test.exs
index b106989..2a9bc7b 100644
--- a/test/integration/pdf_generation_test.exs
+++ b/test/integration/pdf_generation_test.exs
@@ -394,6 +394,25 @@ defmodule ChromicPDF.PDFGenerationTest do
end
end
+ describe "timezone can be set thru print_to_pdf/2" do
+ setup do
+ start_supervised!(ChromicPDF)
+ start_supervised!(TestServer.bandit(:http))
+
+ %{port: TestServer.port(:http)}
+ end
+
+ @tag :disable_logger
+ test "timezone can be set", %{port: port} do
+ input = {:url, "http://localhost:#{port}/timezone_echo"}
+
+ print_to_pdf(input, [timezone: "America/New_York"], fn text ->
+ text = text |> String.trim() |> Jason.decode!()
+ assert text == %{"timezoneId" => "America/New_York"}
+ end)
+ end
+ end
+
describe "certificate error handling" do
setup do
start_supervised!(ChromicPDF)
diff --git a/test/integration/support/test_server.ex b/test/integration/support/test_server.ex
index 17345b5..75e2a79 100644
--- a/test/integration/support/test_server.ex
+++ b/test/integration/support/test_server.ex
@@ -33,6 +33,21 @@ defmodule ChromicPDF.TestServer do
send_resp(conn, 200, inspect(conn.req_cookies))
end
+ get "/timezone_echo" do
+ body = """
+
+
+
+
+
+
+ """
+
+ send_resp(conn, 200, body)
+ end
+
get "/with_plug" do
ChromicPDF.Plug.call(conn, [])
end