Initial commit

Author: dmhendricks

.env-sample

@@ -0,0 +1,3 @@
+COMBINE_BASEDIR=/app/public/
+COMBINE_DISABLE_FILE_EXISTS=false
+COMBINE_DISABLE_MINIFY=false

.gitignore

@@ -0,0 +1,25 @@
+# General
+__MACOSX
+**.DS_Store*
+ehthumbs.db
+Thumbs.db
+*~
+._*
+*.un~
+*.bak
+*.swp
+*.log
+.env
+.idea
+
+# Development
+*.phprj
+*.scssc
+vendor/
+yarn.lock
+composer.lock
+package-lock.json
+
+# VS Code
+launch.json
+*.code-workspace

README.md

@@ -0,0 +1,3 @@
+# PHP Combine Scripts
+
+:construction: This is a work-in-progress. Inspired by [jsDelivr](https://www.jsdelivr.com/features#combine), it can be used to combine scripts passed to it via URI.

combine.php

@@ -0,0 +1,91 @@
+<?php
+/**
+ * Name:          Combine Scripts
+ * Description:   A simple PHP script to combine script assets
+ * Version:       0.1.0
+ * Author:        Daniel M. Hendricks
+ * GitHub:        https://github.com/dmhendricks/php-combine-scripts
+ */
+use MatthiasMullie\Minify;
+$version = '0.1.0';
+
+require( __DIR__ . '/vendor/autoload.php' );
+
+// Load environmental configuration
+if( file_exists( '.env' ) ) {
+    $dotenv = \Dotenv\Dotenv::create(__DIR__);
+    $dotenv->load();    
+}
+
+// Set variables
+$basedir = rtrim( getenv( 'COMBINE_BASEDIR' ) ?: __DIR__, DIRECTORY_SEPARATOR ) . DIRECTORY_SEPARATOR;
+$disable_file_check = filter_var( getenv( 'COMBINE_DISABLE_FILE_EXISTS' ), FILTER_VALIDATE_BOOLEAN );
+$disable_minify = filter_var( getenv( 'COMBINE_DISABLE_MINIFY' ), FILTER_VALIDATE_BOOLEAN );
+
+// Get scripts from querystring
+$scripts = isset( $_GET['scripts'] ) ? $_GET['scripts'] : false;
+if( !$scripts ) {
+    header( 'HTTP/1.1 400 Bad Request', true, 400 );
+    die( '400 Bad Request' );
+} else {
+    $scripts = explode( ',', $scripts );
+}
+
+// Sanitize input
+$error = false;
+$files = [];
+$type = null;
+
+foreach( $scripts as $script ) {
+    $script = trim( $script, './' );
+    $ext = explode( '.', strtolower( $script ) );
+    if( $type !== null && $type != end( $ext ) ) {
+        $error = true;
+    } else {
+        $type = end( $ext );
+    }
+    if( !$disable_file_check && !file_exists( $basedir . $script ) ) $error = true;
+    $files[] = $basedir . $script;
+}
+
+if( $error ) {
+    header( 'HTTP/1.1 400 Bad Request', true, 400 );
+    die( '400 Bad Request' );
+}
+
+// Combine scripts
+$output = '';
+foreach( $files as $file ) {
+
+    $output .= file_get_contents( $file ) . "\n";
+
+}
+
+// Minify output
+if( !$disable_minify ) {
+
+    $minifier = null;
+    if( $type = 'js' ) {
+        $minifier = new Minify\JS();
+    } else if( $type = 'css' ) {
+        $minifier = new Minify\CSS();
+    }
+
+    if( $minifier ) {
+        $minifier->add( $output );
+        $output = $minifier->minify();
+    }
+
+    $output = "/**\n * Combined by php-combine-scripts v{$version}.\n * More information: https://github.com/dmhendricks/php-combine-scripts\n */\n" . $output;
+
+
+}
+
+// Send to browser
+$content_type = 'text/plain';
+if( in_array( $type, [ 'js', 'css' ] ) ) {
+    $content_type = $type == 'js' ? 'text/javascript' : 'text/css';
+}
+
+header( "Content-Type: {$content_type}" );
+echo $output;

composer.json

@@ -0,0 +1,17 @@
+{
+    "name": "dmhendricks/php-combine-scripts",
+    "description": "A simple PHP script to combine script assets",
+    "keywords": [ "combine", "css", "js", "scripts" ],
+    "homepage": "https://github.com/dmhendricks/php-combine-scripts",
+    "license": "Apache-2.0",
+    "require": {
+      "matthiasmullie/minify": "^1.3",
+      "vlucas/phpdotenv": "^3.4",
+      "composer/installers": "~1.0.6"
+    },
+    "scripts": {
+      "pre-autoload-dump": [
+        "find ./vendor -name '.git*' -exec rm -rf {} +"
+      ]
+    }
+  }