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LibWeb: Prepare script when src is set the first time

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From https://html.spec.whatwg.org/multipage/scripting.html#script-processing-model:
When a script element el that is not parser-inserted experiences one
of the events listed in the following list, the user agent must
immediately prepare the script element el:
- [...]
- The script element is connected and has a src attribute set where
  previously the element had no such attribute.
This commit is contained in:
Maciej
2024-07-07 21:57:01 +02:00
committed by Tim Ledbetter
parent 98e1ae49f5
commit d890be6e0f
5 changed files with 27 additions and 0 deletions
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10
Userland/Libraries/LibWeb/HTML/HTMLScriptElement.cpp
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@@ -58,6 +58,16 @@ void HTMLScriptElement::attribute_changed(FlyString const& name, Optional<String
m_crossorigin = cors_setting_attribute_from_keyword(value);
} else if (name == HTML::AttributeNames::referrerpolicy) {
m_referrer_policy = ReferrerPolicy::from_string(value.value_or(""_string)).value_or(ReferrerPolicy::ReferrerPolicy::EmptyString);
} else if (name == HTML::AttributeNames::src) {
bool old_src_is_set = m_src_is_set;
m_src_is_set = value.has_value();
// https://html.spec.whatwg.org/multipage/scripting.html#script-processing-model
// When a script element el that is not parser-inserted experiences one of the events listed in the following list, the user agent must immediately prepare the script element el:
// - [...]
// - The script element is connected and has a src attribute set where previously the element had no such attribute.
if (!is_parser_inserted() && is_connected() && !old_src_is_set && m_src_is_set) {
prepare_script();
}
}
}