Initial commit

.github/FUNDING.yml

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+github: fballiano
+buy_me_a_coffee: fballiano
+custom: ["https://paypal.me/fabrizioballiano"]

README.md

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+CSS/JS Minify module for OpenMage/Magento1
+=============================
+
+<table><tr><td align=center>
+<strong>If you find my work valuable, please consider sponsoring</strong><br />
+<a href="https://github.com/sponsors/fballiano" target=_blank title="Sponsor me on GitHub"><img src="https://img.shields.io/badge/sponsor-30363D?style=for-the-badge&logo=GitHub-Sponsors&logoColor=#white" alt="Sponsor me on GitHub" /></a>
+<a href="https://www.buymeacoffee.com/fballiano" target=_blank title="Buy me a coffee"><img src="https://img.shields.io/badge/Buy_Me_A_Coffee-FFDD00?style=for-the-badge&logo=buy-me-a-coffee&logoColor=black" alt="Buy me a coffee" /></a>
+<a href="https://www.paypal.com/paypalme/fabrizioballiano" target=_blank title="Donate via PayPal"><img src="https://img.shields.io/badge/PayPal-00457C?style=for-the-badge&logo=paypal&logoColor=white" alt="Donate via PayPal" /></a>
+</td></tr></table>
+
+Quick description
+---------
+
+A modern solution to minify CSS/JS in your OpenMage project.
+
+Features
+---------
+
+
+
+Warning
+---------
+
+This module is provided "as is" and I'll not be responsible for any problem or damage.
+
+Installation
+------------
+
+Only composer installation is supported:
+`composer require fballiano/openmage-cssjs-minify`
+
+Support
+-------
+If you have any issues with this extension, open an issue on GitHub.
+
+Contribution
+------------
+Any contributions are highly appreciated. The best way to contribute code is to open a
+[pull request on GitHub](https://help.github.com/articles/using-pull-requests).
+
+Developer
+---------
+Fabrizio Balliano  
+[http://fabrizioballiano.com](http://fabrizioballiano.com)  
+[@fballiano](https://twitter.com/fballiano)
+
+Licence
+-------
+[OSL - Open Software Licence 3.0](https://opensource.org/license/osl-3)
+
+Copyright
+---------
+(c) Fabrizio Balliano

app/code/community/Fballiano/CssjsMinify/Model/Observer.php

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+<?php
+/**
+ * @category   FBalliano
+ * @package    Fballiano_CssjsMinify
+ * @copyright  Copyright (c) Fabrizio Balliano (http://fabrizioballiano.com)
+ * @license    https://opensource.org/license/osl-3 Open Software License (OSL 3.0)
+ */
+class Fballiano_CssjsMinify_Model_Observer
+{
+    public const MINIFIED_FILES_FOLDER = 'fbminify';
+
+    public function httpResponseSendBefore(Varien_Event_Observer $observer): void
+    {
+        $response = $observer->getResponse();
+        $html = $response->getBody();
+        $baseDir = Mage::getBaseDir();
+        $mediaDir = Mage::getBaseDir('media');
+        $mediaUrl = Mage::getBaseUrl('media');
+        $minifiedDir = "{$mediaDir}/" . self::MINIFIED_FILES_FOLDER . '/';
+        $minifiedUrl = "{$mediaUrl}" . self::MINIFIED_FILES_FOLDER . '/';
+
+        if (!file_exists($minifiedDir)) {
+            mkdir($minifiedDir, 0755, true);
+        }
+
+        // Process JS
+        $pattern = '/(<script.+src\s*=\s*["\'])(.*\.js)(["\'].*>)/iU';
+        $html = preg_replace_callback($pattern, function($matches) use ($baseDir, $minifiedDir, $minifiedUrl) {
+            $url = $matches[2];
+            $urlComponents = parse_url($url);
+            $path = $urlComponents['path'];
+            if (file_exists($baseDir . $path)) {
+                $time = filemtime($baseDir . $path);
+                $hash = md5($path) . "-$time.js";
+                if (!file_exists($minifiedDir . $hash)) {
+                    $minifier = new \MatthiasMullie\Minify\JS($baseDir . $path);
+                    $minifier->minify("$minifiedDir/$hash");
+                }
+                $matches[2] = $minifiedUrl . $hash;
+            }
+            return $matches[1] . $matches[2] . $matches[3];
+        }, $html);
+
+        // Process CSS
+        $pattern = '/(<link.+href\s*=\s*["\'])(.*\.css)(["\'].*>)/iU';
+        $html = preg_replace_callback($pattern, function($matches) use ($baseDir, $minifiedDir, $minifiedUrl) {
+            $url = $matches[2];
+            $urlComponents = parse_url($url);
+            $path = $urlComponents['path'];
+            if (file_exists($baseDir . $path)) {
+                $time = filemtime($baseDir . $path);
+                $hash = md5($path) . "-$time.css";
+                if (!file_exists($minifiedDir . $hash)) {
+                    $minifier = new \MatthiasMullie\Minify\CSS($baseDir . $path);
+                    $minifier->minify("$minifiedDir/$hash");
+                }
+                $matches[2] = $minifiedUrl . $hash;
+            }
+            return $matches[1] . $matches[2] . $matches[3];
+        }, $html);
+
+        $response->setBody($html);
+    }
+
+    public function dailyCron(): void
+    {
+        $mediaDir = Mage::getBaseDir('media');
+        $minifiedDir = "{$mediaDir}/" . self::MINIFIED_FILES_FOLDER;
+
+        $files = scandir($minifiedDir, SCANDIR_SORT_DESCENDING);
+        $lastHash = null;
+        foreach ($files as $file) {
+            if ($file === '.' || $file === '..') {
+                continue;
+            }
+
+            $fileName = preg_replace('/\.(js|css)$/', '', $file);
+            $parts = explode('-', $fileName);
+            $hash = $parts[0];
+
+            if ($hash == $lastHash) {
+                unlink("{$minifiedDir}/{$file}");
+                continue;
+            }
+
+            $lastHash = $hash;
+        }
+    }
+}

app/code/community/Fballiano/CssjsMinify/etc/config.xml

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+<?xml version="1.0"?>
+<config>
+    <modules>
+        <Fballiano_CssjsMinify>
+            <version>0.1.0</version>
+        </Fballiano_CssjsMinify>
+    </modules>
+    <global>
+        <models>
+            <fballiano_cssjsminify>
+                <class>Fballiano_CssjsMinify_Model</class>
+            </fballiano_cssjsminify>
+        </models>
+    </global>
+    <frontend>
+        <events>
+            <http_response_send_before>
+                <observers>
+                    <fballiano_cssjsminify>
+                        <class>fballiano_cssjsminify/observer</class>
+                        <method>httpResponseSendBefore</method>
+                    </fballiano_cssjsminify>
+                </observers>
+            </http_response_send_before>
+        </events>
+    </frontend>
+    <crontab>
+        <jobs>
+            <fballiano_cssjsminify>
+                <schedule>
+                    <cron_expr>30 3 * * *</cron_expr>
+                </schedule>
+                <run>
+                    <model>fballiano_cssjsminify/observer::dailyCron</model>
+                </run>
+            </fballiano_cssjsminify>
+        </jobs>
+    </crontab>
+</config>

app/etc/modules/Fballiano_CssjsMinify.xml

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+<?xml version="1.0"?>
+<config>
+    <modules>
+        <Fballiano_CssjsMinify>
+            <active>true</active>
+            <codePool>community</codePool>
+        </Fballiano_CssjsMinify>
+    </modules>
+</config>

composer.json

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+{
+  "name": "fballiano/openmage-cssjs-minify",
+  "license": "OSL-3.0",
+  "type": "magento-module",
+  "description": "CSS/JS minify module for OpenMage (and Magento 1.9)",
+  "keywords": [
+    "magento",
+    "magento1",
+    "openmage",
+    "minify"
+  ],
+  "homepage": "https://github.com/fballiano/openmage-cssjs-minify",
+  "require": {
+    "php": ">=7.4.0",
+    "magento-hackathon/magento-composer-installer": "*",
+    "matthiasmullie/minify": "^1.3"
+  },
+  "authors": [
+    {
+      "name": "Fabrizio Balliano",
+      "email": "[email protected]",
+      "homepage": "http://fabrizioballiano.com",
+      "role": "Developer"
+    }
+  ]
+}

modman

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+app/code/community/Fballiano/CssjsMinify/       app/code/community/Fballiano/CssjsMinify/
+app/etc/modules/Fballiano_CssjsMinify.xml       app/etc/modules/Fballiano_CssjsMinify.xml