jszczypk/google-closure-compiler

Interface to Google Closure Compiler

v1.0.0 2026-03-03 02:55 UTC

Requires

• php: >=8.1
• ext-curl: *

LGPL-3.0-or-later

• Janusz Szczypka

• javascript
• closure-compiler

README

A simple PHP wrapper for Google Closure Compiler.

Installation

composer require jszczypk/google-closure-compiler

Setup

Requires PHP 8.1+ and the curl extension (for remote compilation).
For local compilation, you need Node and npm package google-closure-compiler.

Usage

use JSzczypk\GoogleClosureCompiler\Compiler;
use JSzczypk\GoogleClosureCompiler\CompilationLevel;

$compiler = new Compiler(
    compilationLevel: CompilationLevel::SIMPLE_OPTIMIZATIONS
);

$yourJavaScriptCode = 'console.log("Hello World!");';

$compiledCode = $compiler->compile($yourJavaScriptCode);

Advanced Usage

You can customize LanguageIn and LanguageOut:

use JSzczypk\GoogleClosureCompiler\Compiler;
use JSzczypk\GoogleClosureCompiler\LanguageIn;
use JSzczypk\GoogleClosureCompiler\LanguageOut;
use JSzczypk\GoogleClosureCompiler\CompilationLevel;

$compiler = new Compiler(
    compilationLevel: CompilationLevel::ADVANCED_OPTIMIZATIONS,
    languageIn: LanguageIn::ECMASCRIPT_NEXT,
    languageOut: LanguageOut::ECMASCRIPT5
);