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Bug 1846178 - Use the async/defer (non-blocking) HTML parser code path for module scripts. r=smaug

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Differential Revision: https://phabricator.services.mozilla.com/D185797
This commit is contained in:
Henri Sivonen
2023-08-23 07:11:47 +00:00
parent d165cf1df8
commit f77548b084
23 changed files with 373 additions and 142 deletions
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22
dom/script/ScriptLoader.cpp
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@@ -1091,7 +1091,8 @@ bool ScriptLoader::ProcessExternalScript(nsIScriptElement* aElement,
if (request->GetScriptLoadContext()->IsDeferredScript()) {
// We don't want to run this yet.
// If we come here, the script is a parser-created script and it has
// the defer attribute but not the async attribute. Since a
// the defer attribute but not the async attribute OR it is a module
// script without the async attribute. Since a
// a parser-inserted script is being run, we came here by the parser
// running the script, which means the parser is still alive and the
// parse is ongoing.
@@ -3544,12 +3545,14 @@ void ScriptLoader::ParsingComplete(bool aTerminated) {
}
}
void ScriptLoader::PreloadURI(
nsIURI* aURI, const nsAString& aCharset, const nsAString& aType,
const nsAString& aCrossOrigin, const nsAString& aNonce,
const nsAString& aIntegrity, bool aScriptFromHead, bool aAsync, bool aDefer,
bool aNoModule, bool aLinkPreload, const ReferrerPolicy aReferrerPolicy,
uint64_t aEarlyHintPreloaderId) {
void ScriptLoader::PreloadURI(nsIURI* aURI, const nsAString& aCharset,
const nsAString& aType,
const nsAString& aCrossOrigin,
const nsAString& aNonce,
const nsAString& aIntegrity, bool aScriptFromHead,
bool aAsync, bool aDefer, bool aLinkPreload,
const ReferrerPolicy aReferrerPolicy,
uint64_t aEarlyHintPreloaderId) {
NS_ENSURE_TRUE_VOID(mDocument);
// Check to see if scripts has been turned off.
if (!mEnabled || !mDocument->IsScriptEnabled()) {
@@ -3558,11 +3561,6 @@ void ScriptLoader::PreloadURI(
ScriptKind scriptKind = ScriptKind::eClassic;
// Don't load nomodule scripts.
if (aNoModule) {
return;
}
static const char kASCIIWhitespace[] = "\t\n\f\r ";
nsAutoString type(aType);