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resourceloader: Minify per-module instead of per-response

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* Decline to cache minified private modules, because they exist in as many
  variants as there are users, and are unlikely to be cache hits now that we
  use APC.
* Other modules are minified individually, to improve cache hit rate.

Bug: T107377
Change-Id: Id6f5142062d73b5701126724e0fe8264105f7813
This commit is contained in:
Ori Livneh 2015-09-30 17:26:46 -07:00 committed by Ori.livneh
parent 926a0bfa50
commit b7eb243d92
1 changed files with 24 additions and 21 deletions
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45
includes/resourceloader/ResourceLoader.php
View file

@ -999,9 +999,13 @@ MESSAGE;
// Generate output
$isRaw = false;
$filter = $context->getOnly() === 'styles' ? 'minify-css' : 'minify-js';
foreach ( $modules as $name => $module ) {
try {
$content = $module->getModuleContent( $context );
$strContent = '';
// Append output
switch ( $context->getOnly() ) {
@ -1009,10 +1013,10 @@ MESSAGE;
$scripts = $content['scripts'];
if ( is_string( $scripts ) ) {
// Load scripts raw...
$out .= $scripts;
$strContent = $scripts;
} elseif ( is_array( $scripts ) ) {
// ...except when $scripts is an array of URLs
$out .= self::makeLoaderImplementScript( $name, $scripts, array(), array(), array() );
$strContent = self::makeLoaderImplementScript( $name, $scripts, array(), array(), array() );
}
break;
case 'styles':
@ -1020,10 +1024,10 @@ MESSAGE;
// We no longer seperate into media, they are all combined now with
// custom media type groups into @media .. {} sections as part of the css string.
// Module returns either an empty array or a numerical array with css strings.
$out .= isset( $styles['css'] ) ? implode( '', $styles['css'] ) : '';
$strContent = isset( $styles['css'] ) ? implode( '', $styles['css'] ) : '';
break;
default:
$out .= self::makeLoaderImplementScript(
$strContent = self::makeLoaderImplementScript(
$name,
isset( $content['scripts'] ) ? $content['scripts'] : '',
isset( $content['styles'] ) ? $content['styles'] : array(),
@ -1032,6 +1036,17 @@ MESSAGE;
);
break;
}
if ( !$context->getDebug() ) {
// Don't cache private modules. This is especially important in the case
// of modules which change every time they are built, like the embedded
// user.tokens module (bug T84960).
$filterOptions = array( 'cache' => ( $module->getGroup() !== 'private' ) );
$strContent = $this->filter( $filter, $strContent, $filterOptions );
}
$out .= $strContent;
} catch ( Exception $e ) {
MWExceptionHandler::logException( $e );
$this->logger->warning( 'Generating module package failed: {exception}', array(
@ -1058,7 +1073,11 @@ MESSAGE;
// Set the state of modules we didn't respond to with mw.loader.implement
if ( count( $states ) ) {
$out .= self::makeLoaderStateScript( $states );
$stateScript = self::makeLoaderStateScript( $states );
if ( !$context->getDebug() ) {
$stateScript = $this->filter( 'minify-js', $stateScript );
}
$out .= $stateScript;
}
} else {
if ( count( $states ) ) {
@ -1067,22 +1086,6 @@ MESSAGE;
}
}
$enableFilterCache = true;
if ( count( $modules ) === 1 && reset( $modules ) instanceof ResourceLoaderUserTokensModule ) {
// If we're building the embedded user.tokens, don't cache (T84960)
$enableFilterCache = false;
}
if ( !$context->getDebug() ) {
if ( $context->getOnly() === 'styles' ) {
$out = $this->filter( 'minify-css', $out );
} else {
$out = $this->filter( 'minify-js', $out, array(
'cache' => $enableFilterCache
) );
}
}
return $out;
}