From dc40a20ed78290f967177efd04fca314c6c7c3fc Mon Sep 17 00:00:00 2001 From: Sara Arjona Date: Thu, 2 Mar 2023 16:56:19 +0100 Subject: [PATCH] MDL-76907 lib: Upgrade minify to 1.3.70 --- lib/minify/matthiasmullie-minify/src/CSS.php | 105 +++++++----------- .../matthiasmullie-minify/src/Exception.php | 8 +- .../src/Exceptions/BasicException.php | 7 +- .../src/Exceptions/FileImportException.php | 7 +- .../src/Exceptions/IOException.php | 7 +- lib/minify/matthiasmullie-minify/src/JS.php | 69 ++++++------ .../matthiasmullie-minify/src/Minify.php | 24 ++-- 7 files changed, 106 insertions(+), 121 deletions(-) diff --git a/lib/minify/matthiasmullie-minify/src/CSS.php b/lib/minify/matthiasmullie-minify/src/CSS.php index 4953738b142..a8bd1251a95 100644 --- a/lib/minify/matthiasmullie-minify/src/CSS.php +++ b/lib/minify/matthiasmullie-minify/src/CSS.php @@ -1,6 +1,7 @@ * @author Tijs Verkoyen * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved @@ -97,7 +97,7 @@ class CSS extends Minify } // add to top - $content = implode(';', $matches[2]).';'.trim($content, ';'); + $content = implode(';', $matches[2]) . ';' . trim($content, ';'); } return $content; @@ -106,8 +106,8 @@ class CSS extends Minify /** * Combine CSS from import statements. * - * @import's will be loaded and their content merged into the original file, - * to save HTTP requests. + * Import statements will be loaded and their content merged into the original + * file, to save HTTP requests. * * @param string $source The file to combine imports for * @param string $content The CSS content to combine imports for @@ -204,7 +204,7 @@ class CSS extends Minify // loop the matches foreach ($matches as $match) { // get the path for the file that will be imported - $importPath = dirname($source).'/'.$match['path']; + $importPath = dirname($source) . '/' . $match['path']; // only replace the import with the content if we can grab the // content of the file @@ -215,7 +215,7 @@ class CSS extends Minify // check if current file was not imported previously in the same // import chain. if (in_array($importPath, $parents)) { - throw new FileImportException('Failed to import file "'.$importPath.'": circular reference detected.'); + throw new FileImportException('Failed to import file "' . $importPath . '": circular reference detected.'); } // grab referenced file & minify it (which may include importing @@ -227,7 +227,7 @@ class CSS extends Minify // check if this is only valid for certain media if (!empty($match['media'])) { - $importContent = '@media '.$match['media'].'{'.$importContent.'}'; + $importContent = '@media ' . $match['media'] . '{' . $importContent . '}'; } // add to replacement array @@ -266,7 +266,7 @@ class CSS extends Minify // get the path for the file that will be imported $path = $match[2]; - $path = dirname($source).'/'.$path; + $path = dirname($source) . '/' . $path; // only replace the import with the content if we're able to get // the content of the file, and it's relatively small @@ -277,7 +277,7 @@ class CSS extends Minify // build replacement $search[] = $match[0]; - $replace[] = 'url('.$this->importExtensions[$extension].';base64,'.$importContent.')'; + $replace[] = 'url(' . $this->importExtensions[$extension] . ';base64,' . $importContent . ')'; } } @@ -293,7 +293,7 @@ class CSS extends Minify * Perform CSS optimizations. * * @param string[optional] $path Path to write the data to - * @param string[] $parents Parent paths, for circular reference checks + * @param string[] $parents Parent paths, for circular reference checks * * @return string The minified data */ @@ -469,9 +469,9 @@ class CSS extends Minify // build replacement $search[] = $match[0]; if ($type === 'url') { - $replace[] = 'url('.$url.')'; + $replace[] = 'url(' . $url . ')'; } elseif ($type === 'import') { - $replace[] = '@import "'.$url.'"'; + $replace[] = '@import "' . $url . '"'; } } @@ -530,7 +530,7 @@ class CSS extends Minify ); return preg_replace_callback( - '/(?<=[: ])('.implode('|', array_keys($colors)).')(?=[; }])/i', + '/(?<=[: ])(' . implode('|', array_keys($colors)) . ')(?=[; }])/i', function ($match) use ($colors) { return $colors[strtoupper($match[0])]; }, @@ -553,10 +553,10 @@ class CSS extends Minify ); $callback = function ($match) use ($weights) { - return $match[1].$weights[$match[2]]; + return $match[1] . $weights[$match[2]]; }; - return preg_replace_callback('/(font-weight\s*:\s*)('.implode('|', array_keys($weights)).')(?=[;}])/', $callback, $content); + return preg_replace_callback('/(font-weight\s*:\s*)(' . implode('|', array_keys($weights)) . ')(?=[;}])/', $callback, $content); } /** @@ -588,19 +588,19 @@ class CSS extends Minify // practice, Webkit (especially Safari) seems to stumble over at least // 0%, potentially other units as well. Only stripping 'px' for now. // @see https://github.com/matthiasmullie/minify/issues/60 - $content = preg_replace('/'.$before.'(-?0*(\.0+)?)(?<=0)px'.$after.'/', '\\1', $content); + $content = preg_replace('/' . $before . '(-?0*(\.0+)?)(?<=0)px' . $after . '/', '\\1', $content); // strip 0-digits (.0 -> 0) - $content = preg_replace('/'.$before.'\.0+'.$units.'?'.$after.'/', '0\\1', $content); + $content = preg_replace('/' . $before . '\.0+' . $units . '?' . $after . '/', '0\\1', $content); // strip trailing 0: 50.10 -> 50.1, 50.10px -> 50.1px - $content = preg_replace('/'.$before.'(-?[0-9]+\.[0-9]+)0+'.$units.'?'.$after.'/', '\\1\\2', $content); + $content = preg_replace('/' . $before . '(-?[0-9]+\.[0-9]+)0+' . $units . '?' . $after . '/', '\\1\\2', $content); // strip trailing 0: 50.00 -> 50, 50.00px -> 50px - $content = preg_replace('/'.$before.'(-?[0-9]+)\.0+'.$units.'?'.$after.'/', '\\1\\2', $content); + $content = preg_replace('/' . $before . '(-?[0-9]+)\.0+' . $units . '?' . $after . '/', '\\1\\2', $content); // strip leading 0: 0.1 -> .1, 01.1 -> 1.1 - $content = preg_replace('/'.$before.'(-?)0+([0-9]*\.[0-9]+)'.$units.'?'.$after.'/', '\\1\\2\\3', $content); + $content = preg_replace('/' . $before . '(-?)0+([0-9]*\.[0-9]+)' . $units . '?' . $after . '/', '\\1\\2\\3', $content); // strip negative zeroes (-0 -> 0) & truncate zeroes (00 -> 0) - $content = preg_replace('/'.$before.'-?0+'.$units.'?'.$after.'/', '0\\1', $content); + $content = preg_replace('/' . $before . '-?0+' . $units . '?' . $after . '/', '0\\1', $content); // IE doesn't seem to understand a unitless flex-basis value (correct - // it goes against the spec), so let's add it in again (make it `%`, @@ -636,40 +636,12 @@ class CSS extends Minify $minifier = $this; $callback = function ($match) use ($minifier) { $count = count($minifier->extracted); - $placeholder = '/*'.$count.'*/'; + $placeholder = '/*' . $count . '*/'; $minifier->extracted[$placeholder] = $match[0]; return $placeholder; }; - // Moodle-specific change MDL-68191 starts. - /* This was the old code: $this->registerPattern('/\n?\/\*(!|.*?@license|.*?@preserve).*?\*\/\n?/s', $callback); - */ - // This is the new, more accurate and faster regex. - $this->registerPattern('/ - # optional newline - \n? - - # start comment - \/\* - - # comment content - (?: - # either starts with an ! - ! - | - # or, after some number of characters which do not end the comment - (?:(?!\*\/).)*? - - # there is either a @license or @preserve tag - @(?:license|preserve) - ) - - # then match to the end of the comment - .*?\*\/\n? - - /ixs', $callback); - // Moodle-specific change MDL-68191. $this->registerPattern('/\/\*.*?\*\//s', ''); } @@ -702,7 +674,7 @@ class CSS extends Minify // not in things like `calc(3px + 2px)`, shorthands like `3px -2px`, or // selectors like `div.weird- p` $pseudos = array('nth-child', 'nth-last-child', 'nth-last-of-type', 'nth-of-type'); - $content = preg_replace('/:('.implode('|', $pseudos).')\(\s*([+-]?)\s*(.+?)\s*([+-]?)\s*(.*?)\s*\)/', ':$1($2$3$4$5)', $content); + $content = preg_replace('/:(' . implode('|', $pseudos) . ')\(\s*([+-]?)\s*(.+?)\s*([+-]?)\s*(.*?)\s*\)/', ':$1($2$3$4$5)', $content); // remove semicolon/whitespace followed by closing bracket $content = str_replace(';}', '}', $content); @@ -712,12 +684,12 @@ class CSS extends Minify /** * Replace all occurrences of functions that may contain math, where - * whitespace around operators needs to be preserved (e.g. calc, clamp) + * whitespace around operators needs to be preserved (e.g. calc, clamp). */ protected function extractMath() { $functions = array('calc', 'clamp', 'min', 'max'); - $pattern = '/\b('. implode('|', $functions) .')(\(.+?)(?=$|;|})/m'; + $pattern = '/\b(' . implode('|', $functions) . ')(\(.+?)(?=$|;|})/m'; // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; @@ -732,11 +704,11 @@ class CSS extends Minify // instead, it'll match a larger portion of code to where it's certain that // the calc() musts have ended, and we'll figure out which is the correct // closing parenthesis here, by counting how many have opened - for ($i = 0; $i < $length; $i++) { + for ($i = 0; $i < $length; ++$i) { $char = $match[2][$i]; $expr .= $char; if ($char === '(') { - $opened++; + ++$opened; } elseif ($char === ')' && --$opened === 0) { break; } @@ -744,16 +716,16 @@ class CSS extends Minify // now that we've figured out where the calc() starts and ends, extract it $count = count($minifier->extracted); - $placeholder = 'math('.$count.')'; - $minifier->extracted[$placeholder] = $function.'('.trim(substr($expr, 1, -1)).')'; + $placeholder = 'math(' . $count . ')'; + $minifier->extracted[$placeholder] = $function . '(' . trim(substr($expr, 1, -1)) . ')'; // and since we've captured more code than required, we may have some leftover // calc() in here too - go recursive on the remaining but of code to go figure // that out and extract what is needed - $rest = $minifier->str_replace_first($function.$expr, '', $match[0]); + $rest = $minifier->str_replace_first($function . $expr, '', $match[0]); $rest = preg_replace_callback($pattern, $callback, $rest); - return $placeholder.$rest; + return $placeholder . $rest; }; $this->registerPattern($pattern, $callback); @@ -761,20 +733,19 @@ class CSS extends Minify /** * Replace custom properties, whose values may be used in scenarios where - * we wouldn't want them to be minified (e.g. inside calc) + * we wouldn't want them to be minified (e.g. inside calc). */ protected function extractCustomProperties() { // PHP only supports $this inside anonymous functions since 5.4 $minifier = $this; $this->registerPattern( - '/(?<=^|[;}{])\s*(--[^:;{}"\'\s]+)\s*:([^;{}]+)/m', function ($match) use ($minifier) { - $placeholder = '--custom-'. count($minifier->extracted) . ':0'; - $minifier->extracted[$placeholder] = $match[1] .':'. trim($match[2]); - return $placeholder; + $placeholder = '--custom-' . count($minifier->extracted) . ':0'; + $minifier->extracted[$placeholder] = $match[1] . ':' . trim($match[2]); + return $placeholder; } ); } diff --git a/lib/minify/matthiasmullie-minify/src/Exception.php b/lib/minify/matthiasmullie-minify/src/Exception.php index d03898f0437..1c947a945b7 100644 --- a/lib/minify/matthiasmullie-minify/src/Exception.php +++ b/lib/minify/matthiasmullie-minify/src/Exception.php @@ -1,18 +1,20 @@ */ + namespace MatthiasMullie\Minify; /** - * Base Exception Class + * Base Exception Class. + * * @deprecated Use Exceptions\BasicException instead * - * @package Minify * @author Matthias Mullie */ abstract class Exception extends \Exception diff --git a/lib/minify/matthiasmullie-minify/src/Exceptions/BasicException.php b/lib/minify/matthiasmullie-minify/src/Exceptions/BasicException.php index af5e81bc084..78fbb21fd4b 100644 --- a/lib/minify/matthiasmullie-minify/src/Exceptions/BasicException.php +++ b/lib/minify/matthiasmullie-minify/src/Exceptions/BasicException.php @@ -1,6 +1,7 @@ */ abstract class BasicException extends Exception diff --git a/lib/minify/matthiasmullie-minify/src/Exceptions/FileImportException.php b/lib/minify/matthiasmullie-minify/src/Exceptions/FileImportException.php index 912a2c908dc..36d0fca318a 100644 --- a/lib/minify/matthiasmullie-minify/src/Exceptions/FileImportException.php +++ b/lib/minify/matthiasmullie-minify/src/Exceptions/FileImportException.php @@ -1,6 +1,7 @@ */ class FileImportException extends BasicException diff --git a/lib/minify/matthiasmullie-minify/src/Exceptions/IOException.php b/lib/minify/matthiasmullie-minify/src/Exceptions/IOException.php index b172eb48f37..12fb01ec29a 100644 --- a/lib/minify/matthiasmullie-minify/src/Exceptions/IOException.php +++ b/lib/minify/matthiasmullie-minify/src/Exceptions/IOException.php @@ -1,6 +1,7 @@ */ class IOException extends BasicException diff --git a/lib/minify/matthiasmullie-minify/src/JS.php b/lib/minify/matthiasmullie-minify/src/JS.php index 418f34e4257..ac5e98dd92e 100644 --- a/lib/minify/matthiasmullie-minify/src/JS.php +++ b/lib/minify/matthiasmullie-minify/src/JS.php @@ -1,6 +1,7 @@ * @author Tijs Verkoyen * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved @@ -29,6 +30,8 @@ class JS extends Minify * Note that regular expressions using that bit must have the PCRE_UTF8 * pattern modifier (/u) set. * + * @internal + * * @var string */ const REGEX_VARIABLE = 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@@ -126,14 +129,14 @@ class JS extends Minify { call_user_func_array(array('\\MatthiasMullie\Minify\\Minify', '__construct'), func_get_args()); - $dataDir = __DIR__.'/../data/js/'; + $dataDir = __DIR__ . '/../data/js/'; $options = FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES; - $this->keywordsReserved = file($dataDir.'keywords_reserved.txt', $options); - $this->keywordsBefore = file($dataDir.'keywords_before.txt', $options); - $this->keywordsAfter = file($dataDir.'keywords_after.txt', $options); - $this->operators = file($dataDir.'operators.txt', $options); - $this->operatorsBefore = file($dataDir.'operators_before.txt', $options); - $this->operatorsAfter = file($dataDir.'operators_after.txt', $options); + $this->keywordsReserved = file($dataDir . 'keywords_reserved.txt', $options); + $this->keywordsBefore = file($dataDir . 'keywords_before.txt', $options); + $this->keywordsAfter = file($dataDir . 'keywords_after.txt', $options); + $this->operators = file($dataDir . 'operators.txt', $options); + $this->operatorsBefore = file($dataDir . 'operators_before.txt', $options); + $this->operatorsAfter = file($dataDir . 'operators_after.txt', $options); } /** @@ -174,7 +177,7 @@ class JS extends Minify $js = $this->stripWhitespace($js); // combine js: separating the scripts by a ; - $content .= $js.";"; + $content .= $js . ';'; } // clean up leftover `;`s from the combination of multiple scripts @@ -206,7 +209,7 @@ class JS extends Minify // preserve multi-line comments that start with /*! // or contain @license or @preserve annotations $count = count($minifier->extracted); - $placeholder = '/*'.$count.'*/'; + $placeholder = '/*' . $count . '*/'; $minifier->extracted[$placeholder] = $match[0]; return $match[1] . $placeholder . $match[3]; @@ -245,7 +248,7 @@ class JS extends Minify $minifier = $this; $callback = function ($match) use ($minifier) { $count = count($minifier->extracted); - $placeholder = '"'.$count.'"'; + $placeholder = '"' . $count . '"'; $minifier->extracted[$placeholder] = $match[0]; return $placeholder; @@ -264,7 +267,7 @@ class JS extends Minify // of the RegExp methods (a `\` followed by a variable or value is // likely part of a division, not a regex) $keywords = array('do', 'in', 'new', 'else', 'throw', 'yield', 'delete', 'return', 'typeof'); - $before = '(^|[=:,;\+\-\*\?\/\}\(\{\[&\|!]|'.implode('|', $keywords).')\s*'; + $before = '(^|[=:,;\+\-\*\?\/\}\(\{\[&\|!]|' . implode('|', $keywords) . ')\s*'; $propertiesAndMethods = array( // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp#Properties_2 'constructor', @@ -284,8 +287,8 @@ class JS extends Minify ); $delimiters = array_fill(0, count($propertiesAndMethods), '/'); $propertiesAndMethods = array_map('preg_quote', $propertiesAndMethods, $delimiters); - $after = '(?=\s*([\.,;:\)\}&\|+]|\/\/|$|\.('.implode('|', $propertiesAndMethods).')))'; - $this->registerPattern('/'.$before.'\K'.$pattern.$after.'/', $callback); + $after = '(?=\s*([\.,;:\)\}&\|+]|\/\/|$|\.(' . implode('|', $propertiesAndMethods) . ')))'; + $this->registerPattern('/' . $before . '\K' . $pattern . $after . '/', $callback); // regular expressions following a `)` are rather annoying to detect... // quite often, `/` after `)` is a division operator & if it happens to @@ -299,8 +302,8 @@ class JS extends Minify // if a regex following `)` is not followed by `.`, // it's quite likely not a regex $before = '\)\s*'; - $after = '(?=\s*\.('.implode('|', $propertiesAndMethods).'))'; - $this->registerPattern('/'.$before.'\K'.$pattern.$after.'/', $callback); + $after = '(?=\s*\.(' . implode('|', $propertiesAndMethods) . '))'; + $this->registerPattern('/' . $before . '\K' . $pattern . $after . '/', $callback); // 1 more edge case: a regex can be followed by a lot more operators or // keywords if there's a newline (ASI) in between, where the operator @@ -308,8 +311,8 @@ class JS extends Minify // (https://github.com/matthiasmullie/minify/issues/56) $operators = $this->getOperatorsForRegex($this->operatorsBefore, '/'); $operators += $this->getOperatorsForRegex($this->keywordsReserved, '/'); - $after = '(?=\s*\n\s*('.implode('|', $operators).'))'; - $this->registerPattern('/'.$pattern.$after.'/', $callback); + $after = '(?=\s*\n\s*(' . implode('|', $operators) . '))'; + $this->registerPattern('/' . $pattern . $after . '/', $callback); } /** @@ -353,8 +356,8 @@ class JS extends Minify unset($operatorsBefore['+'], $operatorsBefore['-'], $operatorsAfter['+'], $operatorsAfter['-']); $content = preg_replace( array( - '/('.implode('|', $operatorsBefore).')\s+/', - '/\s+('.implode('|', $operatorsAfter).')/', + '/(' . implode('|', $operatorsBefore) . ')\s+/', + '/\s+(' . implode('|', $operatorsAfter) . ')/', ), '\\1', $content @@ -371,8 +374,8 @@ class JS extends Minify ); // collapse whitespace around reserved words into single space - $content = preg_replace('/(^|[;\}\s])\K('.implode('|', $keywordsBefore).')\s+/', '\\2 ', $content); - $content = preg_replace('/\s+('.implode('|', $keywordsAfter).')(?=([;\{\s]|$))/', ' \\1', $content); + $content = preg_replace('/(^|[;\}\s])\K(' . implode('|', $keywordsBefore) . ')\s+/', '\\2 ', $content); + $content = preg_replace('/\s+(' . implode('|', $keywordsAfter) . ')(?=([;\{\s]|$))/', ' \\1', $content); /* * We didn't strip whitespace after a couple of operators because they @@ -382,8 +385,8 @@ class JS extends Minify */ $operatorsDiffBefore = array_diff($operators, $operatorsBefore); $operatorsDiffAfter = array_diff($operators, $operatorsAfter); - $content = preg_replace('/('.implode('|', $operatorsDiffBefore).')[^\S\n]+/', '\\1', $content); - $content = preg_replace('/[^\S\n]+('.implode('|', $operatorsDiffAfter).')/', '\\1', $content); + $content = preg_replace('/(' . implode('|', $operatorsDiffBefore) . ')[^\S\n]+/', '\\1', $content); + $content = preg_replace('/[^\S\n]+(' . implode('|', $operatorsDiffAfter) . ')/', '\\1', $content); /* * Whitespace after `return` can be omitted in a few occasions @@ -492,7 +495,7 @@ class JS extends Minify // don't confuse = with other assignment shortcuts (e.g. +=) $chars = preg_quote('+-*\=<>%&|', $delimiter); - $operators['='] = '(?getKeywordsForRegex($keywords); - $keywords = '(? * @copyright Copyright (c) 2012, Matthias Mullie. All rights reserved * @license MIT License @@ -44,6 +45,8 @@ abstract class Minify * been extracted from the JS source code, so we can reliably match "code", * without having to worry about potential "code-like" characters inside. * + * @internal + * * @var string[] */ public $extracted = array(); @@ -128,7 +131,7 @@ abstract class Minify // check if we can read the file if (!$this->canImportFile($path)) { - throw new IOException('The file "'.$path.'" could not be opened for reading. Check if PHP has enough permissions.'); + throw new IOException('The file "' . $path . '" could not be opened for reading. Check if PHP has enough permissions.'); } $this->add($path); @@ -357,6 +360,7 @@ abstract class Minify foreach ($match as &$matchItem) { $matchItem = $matchItem[0]; } + return $replacement($match); } @@ -391,8 +395,8 @@ abstract class Minify } $count = count($minifier->extracted); - $placeholder = $match[1].$placeholderPrefix.$count.$match[1]; - $minifier->extracted[$placeholder] = $match[1].$match[2].$match[1]; + $placeholder = $match[1] . $placeholderPrefix . $count . $match[1]; + $minifier->extracted[$placeholder] = $match[1] . $match[2] . $match[1]; return $placeholder; }; @@ -409,7 +413,7 @@ abstract class Minify * considered as escape-char (times 2) and to get it in the regex, * escaped (times 2) */ - $this->registerPattern('/(['.$chars.'])(.*?(?registerPattern('/([' . $chars . '])(.*?(?