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LibWeb: Add "scripts to execute in order as soon as possible"

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Previously, we had accidentally conflated this set with the
similar-but-distinct "scripts to execute as soon as possible".
This commit is contained in:
Andreas Kling 2022-09-17 17:36:47 +02:00
parent df7e64d103
commit 07c4bf03b5
Notes: sideshowbarker 2024-07-17 06:54:15 +09:00
3 changed files with 25 additions and 5 deletions
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10
Userland/Libraries/LibWeb/HTML/HTMLScriptElement.cpp
View file

@ -376,29 +376,29 @@ void HTMLScriptElement::prepare_script()
else if ((m_script_type == ScriptType::Classic && has_attribute(HTML::AttributeNames::src) && !has_attribute(HTML::AttributeNames::async) && !m_non_blocking)
|| (m_script_type == ScriptType::Module && !has_attribute(HTML::AttributeNames::async) && !m_non_blocking)) {
// Add the element to the end of the list of scripts that will execute in order as soon as possible associated with the element's preparation-time document.
m_preparation_time_document->add_script_to_execute_as_soon_as_possible({}, *this);
m_preparation_time_document->add_script_to_execute_in_order_as_soon_as_possible({}, *this);
// When the script is ready, run the following steps:
when_the_script_is_ready([this] {
// 1. If the element is not now the first element in the list of scripts
// that will execute in order as soon as possible to which it was added above,
// then mark the element as ready but return without executing the script yet.
if (this != m_preparation_time_document->scripts_to_execute_as_soon_as_possible().first().ptr())
if (this != m_preparation_time_document->scripts_to_execute_in_order_as_soon_as_possible().first().ptr())
return;
for (;;) {
// 2. Execution: Execute the script block corresponding to the first script element
// in this list of scripts that will execute in order as soon as possible.
m_preparation_time_document->scripts_to_execute_as_soon_as_possible().first()->execute_script();
m_preparation_time_document->scripts_to_execute_in_order_as_soon_as_possible().first()->execute_script();
// 3. Remove the first element from this list of scripts that will execute in order
// as soon as possible.
(void)m_preparation_time_document->scripts_to_execute_as_soon_as_possible().take_first();
(void)m_preparation_time_document->scripts_to_execute_in_order_as_soon_as_possible().take_first();
// 4. If this list of scripts that will execute in order as soon as possible is still
// not empty and the first entry has already been marked as ready, then jump back
// to the step labeled execution.
if (!m_preparation_time_document->scripts_to_execute_as_soon_as_possible().is_empty() && m_preparation_time_document->scripts_to_execute_as_soon_as_possible().first()->m_script_ready)
if (!m_preparation_time_document->scripts_to_execute_in_order_as_soon_as_possible().is_empty() && m_preparation_time_document->scripts_to_execute_in_order_as_soon_as_possible().first()->m_script_ready)
continue;
break;