Rewrite minifiers into cleaner classes. Resolves #5
This commit is contained in:
parent
4533ea0b26
commit
1a21a23e73
@ -15,8 +15,7 @@
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/* $config = */require 'config.php';
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// Should we use myth to preprocess?
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$use_myth = FALSE;
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return [
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/*
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|--------------------------------------------------------------------------
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@ -26,7 +25,7 @@ $use_myth = FALSE;
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| The folder where css files exist, in relation to the document root
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*/
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$css_root = $config['asset_dir'] . '/css/';
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'css_root' => $config['asset_dir'] . '/css/',
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/*
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|--------------------------------------------------------------------------
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@ -36,7 +35,7 @@ $css_root = $config['asset_dir'] . '/css/';
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| Path fragment to rewrite in css files
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*/
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$path_from = '';
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'path_from' => '',
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/*
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|--------------------------------------------------------------------------
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@ -46,7 +45,17 @@ $path_from = '';
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| The path fragment replacement for the css files
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*/
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$path_to = '';
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'path_to' => '',
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/*
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|--------------------------------------------------------------------------
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| CSS Groups file
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|--------------------------------------------------------------------------
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| The file where the css groups are configured
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*/
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'css_groups_file' => realpath(__DIR__ . '/minify_css_groups.php'),
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/*
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|--------------------------------------------------------------------------
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@ -56,4 +65,17 @@ $path_to = '';
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| The folder where javascript files exist, in relation to the document root
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*/
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$js_root = $config['asset_dir'] . '/js/';
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'js_root' => $config['asset_dir'] . '/js/',
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/*
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|--------------------------------------------------------------------------
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| JS Groups file
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|--------------------------------------------------------------------------
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| The file where the javascript groups are configured
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*/
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'js_groups_file' => realpath(__DIR__ . '/minify_js_groups.php'),
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];
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// End of minify_config.php
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143
public/css.php
143
public/css.php
@ -11,19 +11,64 @@
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* @license MIT
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*/
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// --------------------------------------------------------------------------
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namespace Aviat\EasyMin;
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//Get config files
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require('../app/config/minify_config.php');
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//Include the css groups
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$groups = require("../app/config/minify_css_groups.php");
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//Function for compressing the CSS as tightly as possible
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/**
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* @param string $buffer
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* Simple CSS Minifier
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*/
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function compress($buffer) {
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class CSSMin {
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protected $css_root;
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protected $path_from;
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protected $path_to;
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protected $group;
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protected $last_modified;
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public function __construct(array $config, array $groups)
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{
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$group = $_GET['g'];
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$this->css_root = $config['css_root'];
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$this->path_from = $config['path_from'];
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$this->path_to = $config['path_to'];
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$this->group = $groups[$group];
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$this->last_modified = $this->get_last_modified();
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$this->send();
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}
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/**
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* Send the CSS
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*
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* @return void
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*/
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protected function send()
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{
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$requested_time=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
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? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
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: 0;
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// Send 304 when not modified for faster response
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if($this->last_modified === $requested_time)
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{
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header("HTTP/1.1 304 Not Modified");
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exit();
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}
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$css = ( ! array_key_exists('debug', $_GET))
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? $this->compress($this->get_css())
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: $this->get_css();
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$this->output($css);
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}
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/**
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* Function for compressing the CSS as tightly as possible
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*
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* @param string $buffer
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* @return string
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*/
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public function compress($buffer)
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{
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//Remove CSS comments
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$buffer = preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $buffer);
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@ -50,25 +95,25 @@ function compress($buffer) {
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return $buffer;
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}
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function get_last_modifed()
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/**
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* Get the most recent file modification date
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*
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* @return int
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*/
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protected function get_last_modified()
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{
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global $groups, $css_root;
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$modified = array();
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// Get all the css files, and concatenate them together
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if(isset($groups[$_GET['g']]))
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if(isset($this->group))
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{
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foreach($groups[$_GET['g']] as $file)
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foreach($this->group as $file)
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{
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$new_file = realpath($css_root.$file);
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$new_file = realpath("{$this->css_root}{$file}");
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$modified[] = filemtime($new_file);
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}
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}
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//Add myth css file for last modified check
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$modified[] = filemtime(realpath("css/base.myth.css"));
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//Add this page for last modified check
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$modified[] = filemtime(__FILE__);
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@ -79,59 +124,61 @@ function get_last_modifed()
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return $last_modified;
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}
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function get_css()
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/**
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* Get the css to display
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*
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* @return string
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*/
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protected function get_css()
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{
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global $groups, $path_from, $path_to, $css_root;
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$css = '';
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if(isset($groups[$_GET['g']]))
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if(isset($this->group))
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{
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foreach($groups[$_GET['g']] as $file)
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foreach($this->group as $file)
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{
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$new_file = realpath($css_root.$file);
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$new_file = realpath("{$this->css_root}{$file}");
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$css .= file_get_contents($new_file);
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$modified[] = filemtime($new_file);
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}
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}
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// If not in debug mode, minify the css
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if( ! isset($_GET['debug']))
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{
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$css = compress($css);
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}
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// Correct paths that have changed due to concatenation
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// based on rules in the config file
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$css = strtr($css, $path_from, $path_to);
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$css = str_replace($this->path_from, $this->path_to, $css);
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return $css;
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}
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// --------------------------------------------------------------------------
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$last_modified = get_last_modifed();
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$requested_time=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
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? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
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: 0;
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// Send 304 when not modified for faster response
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if($last_modified === $requested_time)
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/**
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* Output the CSS
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*
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* @return void
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*/
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public function output($css)
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{
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header("HTTP/1.1 304 Not Modified");
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exit();
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}
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//This GZIPs the CSS for transmission to the user
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//making file size smaller and transfer rate quicker
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ob_start("ob_gzhandler");
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header("Content-Type: text/css; charset=utf8");
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header("Cache-control: public, max-age=691200, must-revalidate");
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header("Last-Modified: ".gmdate('D, d M Y H:i:s', $last_modified)." GMT");
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header("Last-Modified: ".gmdate('D, d M Y H:i:s', $this->last_modified)." GMT");
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header("Expires: ".gmdate('D, d M Y H:i:s', (filemtime(basename(__FILE__)) + 691200))." GMT");
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echo get_css();
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echo $css;
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ob_end_flush();
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}
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}
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// --------------------------------------------------------------------------
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// ! Start Minifying
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// --------------------------------------------------------------------------
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//Get config files
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$config = require('../app/config/minify_config.php');
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$groups = require($config['css_groups_file']);
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new CSSMin($config, $groups);
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//End of css.php
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342
public/js.php
342
public/js.php
@ -11,71 +11,95 @@
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* @license MIT
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*/
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// --------------------------------------------------------------------------
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namespace Aviat\EasyMin;
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use GuzzleHttp\Client;
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use GuzzleHttp\Psr7\Request;
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//Get config files
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require_once('../app/config/minify_config.php');
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//Include the js groups
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$groups_file = '../app/config/minify_js_groups.php';
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$groups = require_once($groups_file);
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// Include guzzle
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require_once('../vendor/autoload.php');
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//The name of this file
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$this_file = __FILE__;
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// --------------------------------------------------------------------------
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/**
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* Get Files
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*
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* Concatenates the javascript files for the current
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* group as a string
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* @return string
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* Simple Javascript minfier, using google closure compiler
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*/
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function get_files()
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{
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global $groups, $js_root;
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class JSMin {
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$js = '';
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protected $js_root;
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protected $js_group;
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protected $js_groups_file;
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protected $cache_file;
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foreach($groups[$_GET['g']] as $file)
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protected $last_modified;
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protected $requested_time;
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protected $cache_modified;
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public function __construct(array $config, array $groups)
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{
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$new_file = realpath($js_root.$file);
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$js .= file_get_contents($new_file) . "\n\n";
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$group = $_GET['g'];
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$this->js_root = $config['js_root'];
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$this->js_group = $groups[$group];
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$this->js_groups_file = $config['js_groups_file'];
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$this->cache_file = "{$this->js_root}cache/{$group}";
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$this->last_modified = $this->get_last_modified();
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$this->requested_time = (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
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? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
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: time();
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$this->cache_modified = (is_file($this->cache_file))
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? filemtime($this->cache_file)
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: 0;
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// Output some JS!
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$this->send();
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}
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return $js;
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protected function send()
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{
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// If the browser's cached version is up to date,
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// don't resend the file
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if($this->last_modified === $this->requested_time)
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{
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header('HTTP/1.1 304 Not Modified');
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exit();
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}
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// --------------------------------------------------------------------------
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//Determine what to do: rebuild cache, send files as is, or send cache.
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// If debug is set, just concatenate
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if(array_key_exists('debug', $_GET))
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{
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return $this->output($this->get_files());
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}
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else if($this->cache_modified < $this->last_modified)
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{
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$js = $this->minify($this->get_files());
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//Make sure cache file gets created/updated
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if(file_put_contents($this->cache_file, $js) === FALSE)
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{
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die('Cache file was not created. Make sure you have the correct folder permissions.');
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}
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return $this->output($js);
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}
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// Otherwise, send the cached file
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else
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{
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return $this->output(file_get_contents($cache_file));
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}
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}
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/**
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* Google Min
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* Makes a call to google closure compiler service
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*
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* Minifies javascript using google's closure compiler
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* @param string $new_file
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* @return string
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* @param array $options - Form parameters
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* @return object
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*/
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function google_min($new_file)
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protected function closure_call(array $options)
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{
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$options = [
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'output_info' => 'errors',
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'output_format' => 'json',
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'compilation_level' => 'SIMPLE_OPTIMIZATIONS',
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//'compilation_level' => 'ADVANCED_OPTIMIZATIONS',
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'js_code' => $new_file,
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'language' => 'ECMASCRIPT6_STRICT',
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'language_out' => 'ECMASCRIPT5_STRICT'
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];
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// First check for errors
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$error_client = new Client();
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$error_res = $error_client->post('http://closure-compiler.appspot.com/compile', [
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$client = new Client();
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$response = $client->post('http://closure-compiler.appspot.com/compile', [
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'headers' => [
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'Accept-Encoding' => 'gzip',
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'Content-type' => 'application/x-www-form-urlencoded'
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@ -83,6 +107,18 @@ function google_min($new_file)
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'form_params' => $options
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]);
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return $response;
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}
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/**
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* Do a call to the closure compiler to check for compilation errors
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*
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* @param array $options
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* @return void
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*/
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protected function check_minify_errors($options)
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{
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$error_res = $this->closure_call($options);
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$error_json = $error_res->getBody();
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$error_obj = json_decode($error_json) ?: (object)[];
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@ -93,126 +129,93 @@ function google_min($new_file)
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echo "console.error(${error_json});";
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die();
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}
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}
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/**
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* Get Files
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*
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* Concatenates the javascript files for the current
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* group as a string
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*
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* @return string
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*/
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protected function get_files()
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{
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$js = '';
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foreach($this->js_group as $file)
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{
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$new_file = realpath("{$this->js_root}{$file}");
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$js .= file_get_contents($new_file) . "\n\n";
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}
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return $js;
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}
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/**
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* Get the most recent modified date
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*
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* @return int
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*/
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protected function get_last_modified()
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{
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$modified = array();
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foreach($this->js_group as $file)
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{
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$new_file = realpath("{$this->js_root}{$file}");
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$modified[] = filemtime($new_file);
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}
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//Add this page too, as well as the groups file
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$modified[] = filemtime(__FILE__);
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$modified[] = filemtime($this->js_groups_file);
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rsort($modified);
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$last_modified = $modified[0];
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return $last_modified;
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}
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/**
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* Minifies javascript using google's closure compiler
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*
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* @param string $js
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* @return string
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*/
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public function minify($js)
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{
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$options = [
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'output_info' => 'errors',
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'output_format' => 'json',
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'compilation_level' => 'SIMPLE_OPTIMIZATIONS',
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//'compilation_level' => 'ADVANCED_OPTIMIZATIONS',
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'js_code' => $js,
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'language' => 'ECMASCRIPT6_STRICT',
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'language_out' => 'ECMASCRIPT5_STRICT'
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];
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// Check for errors
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$this->check_minify_errors($options);
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// Now actually retrieve the compiled code
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$options['output_info'] = 'compiled_code';
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$client = new Client();
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$res = $client->post('http://closure-compiler.appspot.com/compile', [
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'headers' => [
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'Accept-Encoding' => 'gzip',
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'Content-type' => 'application/x-www-form-urlencoded'
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],
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'form_params' => $options
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]);
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$res = $this->closure_call($options);
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$json = $res->getBody();
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$obj = json_decode($json);
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return $obj->compiledCode;
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}
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// --------------------------------------------------------------------------
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//Creative rewriting of /g/groupname to ?g=groupname
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$pi = $_SERVER['PATH_INFO'];
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$pia = explode('/', $pi);
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$pia_len = count($pia);
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$i = 1;
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while($i < $pia_len)
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/**
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* Output the minified javascript
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*
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* @param int $last_modified
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* @param string $js
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* @return void
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*/
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protected function output($js)
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{
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$j = $i+1;
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$j = (isset($pia[$j])) ? $j : $i;
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|
||||
$_GET[$pia[$i]] = $pia[$j];
|
||||
|
||||
$i = $j + 1;
|
||||
};
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
$js = '';
|
||||
$modified = array();
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
//Aggregate the last modified times of the files
|
||||
if(isset($groups[$_GET['g']]))
|
||||
{
|
||||
if ( ! is_dir($js_root . 'cache'))
|
||||
{
|
||||
mkdir($js_root . 'cache');
|
||||
}
|
||||
$cache_file = $js_root.'cache/'.$_GET['g'];
|
||||
|
||||
foreach($groups[$_GET['g']] as $file)
|
||||
{
|
||||
$new_file = realpath($js_root.$file);
|
||||
$modified[] = filemtime($new_file);
|
||||
}
|
||||
|
||||
//Add this page too, as well as the groups file
|
||||
$modified[] = filemtime($this_file);
|
||||
$modified[] = filemtime($groups_file);
|
||||
|
||||
$cache_modified = 0;
|
||||
|
||||
//Add the cache file
|
||||
if(is_file($cache_file))
|
||||
{
|
||||
$cache_modified = filemtime($cache_file);
|
||||
}
|
||||
}
|
||||
else //Nothing to display? Just exit
|
||||
{
|
||||
die('You must specify a group that exists');
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
//Get the latest modified date
|
||||
rsort($modified);
|
||||
$last_modified = $modified[0];
|
||||
|
||||
$requested_time=(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']))
|
||||
? strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])
|
||||
: time();
|
||||
|
||||
// If the browser's cached version is up to date,
|
||||
// don't resend the file
|
||||
if($last_modified === $requested_time)
|
||||
{
|
||||
header('HTTP/1.1 304 Not Modified');
|
||||
exit();
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
//Determine what to do: rebuild cache, send files as is, or send cache.
|
||||
// If debug is set, just concatenate
|
||||
if(array_key_exists('debug', $_GET))
|
||||
{
|
||||
$js = get_files();
|
||||
}
|
||||
else if($cache_modified < $last_modified)
|
||||
{
|
||||
$js = google_min(get_files());
|
||||
|
||||
//Make sure cache file gets created/updated
|
||||
if(file_put_contents($cache_file, $js) === FALSE)
|
||||
{
|
||||
die('Cache file was not created. Make sure you have the correct folder permissions.');
|
||||
}
|
||||
}
|
||||
// Otherwise, send the cached file
|
||||
else
|
||||
{
|
||||
$js = file_get_contents($cache_file);
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
//This GZIPs the js for transmission to the user
|
||||
//making file size smaller and transfer rate quicker
|
||||
ob_start('ob_gzhandler');
|
||||
@ -220,10 +223,35 @@ ob_start('ob_gzhandler');
|
||||
// Set important caching headers
|
||||
header('Content-Type: application/javascript; charset=utf8');
|
||||
header('Cache-control: public, max-age=691200, must-revalidate');
|
||||
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $last_modified).' GMT');
|
||||
header('Expires: '.gmdate('D, d M Y H:i:s', (filemtime($this_file) + 691200)).' GMT');
|
||||
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $this->last_modified).' GMT');
|
||||
header('Expires: '.gmdate('D, d M Y H:i:s', (filemtime(__FILE__) + 691200)).' GMT');
|
||||
|
||||
echo $js;
|
||||
|
||||
ob_end_flush();
|
||||
}
|
||||
}
|
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// ! Start Minifying
|
||||
// --------------------------------------------------------------------------
|
||||
|
||||
$config = require_once('../app/config/minify_config.php');
|
||||
$groups = require_once($config['js_groups_file']);
|
||||
$cache_dir = "{$config['js_root']}cache";
|
||||
|
||||
if ( ! is_dir($cache_dir))
|
||||
{
|
||||
mkdir($cache_dir);
|
||||
}
|
||||
|
||||
if ( ! array_key_exists($_GET['g'], $groups))
|
||||
{
|
||||
header('Content-Type: application/javascript; charset=utf8');
|
||||
echo '// You must specify a group that exists';
|
||||
die();
|
||||
}
|
||||
|
||||
new JSMin($config, $groups);
|
||||
|
||||
//end of js.php
|
||||
Loading…
Reference in New Issue
Block a user