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AbandonedLibrary

scribe/closurecompiler-library
==============================

An up-to-date fork of Google's Closure Compiler, kept in regular sync with upstream, except this one comes with a composer file.

v0.1.2(11y ago)02191Apache-2.0Java

Since Sep 25Pushed 11y ago5 watchersCompare

[ Source](https://github.com/scribenet/ScribeClosureCompilerLibrary)[ Packagist](https://packagist.org/packages/scribe/closurecompiler-library)[ Docs](https://github.com/scribenet/ScribeClosureCompilerLibrary)[ RSS](/packages/scribe-closurecompiler-library/feed)WikiDiscussions master Synced 1mo ago

READMEChangelogDependenciesVersions (4)Used By (0)

[Google Closure Compiler](https://developers.google.com/closure/compiler/)
==========================================================================

[](#google-closure-compiler)

[![Build Status](https://camo.githubusercontent.com/bff3c835477965c04f5e8745e386808454e2ac93258b01a2edcf7bebe88b9c90/68747470733a2f2f7472617669732d63692e6f72672f676f6f676c652f636c6f737572652d636f6d70696c65722e7376673f6272616e63683d6d6173746572)](https://travis-ci.org/google/closure-compiler)

The [Closure Compiler](https://developers.google.com/closure/compiler/) is a tool for making JavaScript download and run faster. It is a true compiler for JavaScript. Instead of compiling from a source language to machine code, it compiles from JavaScript to better JavaScript. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls.

Getting Started
---------------

[](#getting-started)

- [Download the latest version](http://dl.google.com/closure-compiler/compiler-latest.zip)
- See the [Google Developers Site](https://developers.google.com/closure/compiler/docs/gettingstarted_app) for documentation including instructions for running the compiler from the command line.

Options for Getting Help
------------------------

[](#options-for-getting-help)

1. Post in the [Closure Compiler Discuss Group](https://groups.google.com/forum/#!forum/closure-compiler-discuss)
2. Ask a question on [Stack Overflow](http://stackoverflow.com/questions/tagged/google-closure-compiler)
3. Consult the [FAQ](https://github.com/google/closure-compiler/wiki/FAQ)

Building it Yourself
--------------------

[](#building-it-yourself)

Note: The Closure Compiler requires [Java 7 or higher](http://www.java.com/).

### Using [Ant](http://ant.apache.org/)

[](#using-ant)

1. Download the [Ant build tool](http://ant.apache.org/bindownload.cgi).
2. At the root of the source tree, there is an Ant file named `build.xml`. To use it, navigate to the same directory and type the command

    ```
    ant jar

    ```

    This will produce a jar file called `build/compiler.jar`.

### Using [Eclipse](http://www.eclipse.org/)

[](#using-eclipse)

1. Download and open the [Eclipse IDE](http://www.eclipse.org/).
2. Navigate to `File > New > Project ...` and create a Java Project. Give the project a name.
3. Select `Create project from existing source` and choose the root of the checked-out source tree as the existing directory.
4. Navigate to the `build.xml` file. You will see all the build rules in the Outline pane. Run the `jar` rule to build the compiler in `build/compiler.jar`.

Running
-------

[](#running)

On the command line, at the root of this project, type

```
java -jar build/compiler.jar

```

This starts the compiler in interactive mode. Type

```
var x = 17 + 25;
```

then hit "Enter", then hit "Ctrl-Z" (on Windows) or "Ctrl-D" (on Mac or Linux) and "Enter" again. The Compiler will respond:

```
var x=42;
```

The Closure Compiler has many options for reading input from a file, writing output to a file, checking your code, and running optimizations. To learn more, type

```
java -jar compiler.jar --help

```

More detailed information about running the Closure Compiler is available in the [documentation](http://code.google.com/closure/compiler/docs/gettingstarted_app.html).

Compiling Multiple Scripts
--------------------------

[](#compiling-multiple-scripts)

If you have multiple scripts, you should compile them all together with one compile command.

```
java -jar compiler.jar --js_output_file=out.js in1.js in2.js in3.js ...
```

You can also use minimatch-style globs.

```
# Recursively include all js files in subdirs
java -jar compiler.jar --js_output_file=out.js 'src/**.js'

# Recursively include all js files in subdirs, exclusing test files.
# Use single-quotes, so that bash doesn't try to expand the '!'
java -jar compiler.jar --js_output_file=out.js 'src/**.js' '!**_test.js'
```

The Closure Compiler will concatenate the files in the order they're passed at the command line.

If you're using globs or many files, you may start to run into problems with managing dependencies between scripts. In this case, you should use the [Closure Library](https://developers.google.com/closure/library/). It contains functions for enforcing dependencies between scripts, and Closure Compiler will re-order the inputs automatically.

How to Contribute
-----------------

[](#how-to-contribute)

### Reporting a bug

[](#reporting-a-bug)

1. First make sure that it is really a bug and not simply the way that Closure Compiler works (especially true for ADVANCED\_OPTIMIZATIONS).

- Check the [official documentation](https://developers.google.com/closure/compiler/)
- Consult the [FAQ](https://github.com/google/closure-compiler/wiki/FAQ)
- Search on [Stack Overflow](http://stackoverflow.com/questions/tagged/google-closure-compiler) and in the [Closure Compiler Discuss Group](https://groups.google.com/forum/#!forum/closure-compiler-discuss)

2. If you still think you have found a bug, make sure someone hasn't already reported it. See the list of [known issues](https://github.com/google/closure-compiler/issues).
3. If it hasn't been reported yet, post a new issue. Make sure to add enough detail so that the bug can be recreated. The smaller the reproduction code, the better.

### Suggesting a Feature

[](#suggesting-a-feature)

1. Consult the [FAQ](https://github.com/google/closure-compiler/wiki/FAQ) to make sure that the behaviour you would like isn't specifically excluded (such as string inlining).
2. Make sure someone hasn't requested the same thing. See the list of [known issues](https://github.com/google/closure-compiler/issues).
3. Read up on [what type of feature requests are accepted](https://github.com/google/closure-compiler/wiki/FAQ#how-do-i-submit-a-feature-request-for-a-new-type-of-optimization).
4. Submit your reqest as an issue.

### Submitting patches

[](#submitting-patches)

1. All contributors must sign a contributor license agreement. See the [CONTRIBUTORS](https://raw.githubusercontent.com/google/closure-compiler/master/CONTRIBUTORS) file for details.
2. To make sure your changes are of the type that will be accepted, ask about your patch on the [Closure Compiler Discuss Group](https://groups.google.com/forum/#!forum/closure-compiler-discuss)
3. Fork the repository.
4. Make your changes.
5. Submit a pull request for your changes. A project developer will review your work and then merge your request into the project.

Closure Compiler License
------------------------

[](#closure-compiler-license)

Copyright 2009 The Closure Compiler Authors.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at .

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Dependency Licenses
-------------------

[](#dependency-licenses)

### Rhino

[](#rhino)

  Code Path  `src/com/google/javascript/rhino`, `test/com/google/javascript/rhino`    URL    Version 1.5R3, with heavy modifications   License Netscape Public License and MPL / GPL dual license   Description A partial copy of Mozilla Rhino. Mozilla Rhino is an implementation of JavaScript for the JVM. The JavaScript parse tree data structures were extracted and modified significantly for use by Google's JavaScript compiler.   Local Modifications The packages have been renamespaced. All code not relevant to the parse tree has been removed. A JsDoc parser and static typing system have been added. ### Args4j

[](#args4j)

  Code Path `lib/args4j.jar`   URL    Version 2.0.26   License MIT   Description args4j is a small Java class library that makes it easy to parse command line options/arguments in your CUI application.   Local Modifications None ### Guava Libraries

[](#guava-libraries)

  Code Path `lib/guava.jar`   URL    Version 18.0   License Apache License 2.0   Description Google's core Java libraries.   Local Modifications None ### JSR 305

[](#jsr-305)

  Code Path `lib/jsr305.jar`   URL    Version svn revision 47   License BSD License   Description Annotations for software defect detection.   Local Modifications None ### JUnit

[](#junit)

  Code Path `lib/junit.jar`   URL    Version 4.11   License Common Public License 1.0   Description A framework for writing and running automated tests in Java.   Local Modifications None ### Protocol Buffers

[](#protocol-buffers)

  Code Path `lib/protobuf-java.jar`   URL    Version 2.5.0   License New BSD License   Description Supporting libraries for protocol buffers, an encoding of structured data.   Local Modifications None ### Ant

[](#ant)

  Code Path  `lib/ant.jar`, `lib/ant-launcher.jar`    URL    Version 1.8.1   License Apache License 2.0   Description Ant is a Java based build tool. In theory it is kind of like "make" without make's wrinkles and with the full portability of pure java code.   Local Modifications None ### JSON

[](#json)

  Code Path `lib/json.jar`   URL    Version JSON version 20090211   License MIT license   Description JSON is a set of java files for use in transmitting data in JSON format.   Local Modifications None ### Mockito

[](#mockito)

  Code Path `lib/mockito-core.jar`   URL    Version 1.9.5   License MIT license   Description Mockito is an open source testing framework for Java. The framework allows the creation of Test Double objects (called "Mock Objects") in automated unit tests for the purpose of Test-driven Development (TDD) or Behavior Driven Development (BDD).   Local Modifications None ### Objenesis

[](#objenesis)

  Code Path `lib/objenesis.jar`   URL    Version 1.2   License Apache 2.0 license   Description Depended by lib/mockito-core.jar, not used directly.   Local Modifications None ### Node.js Closure Compiler Externs

[](#nodejs-closure-compiler-externs)

  Code Path `contrib/nodejs`   URL    Version e891b4fbcf5f466cc4307b0fa842a7d8163a073a   License Apache 2.0 license   Description Type contracts for NodeJS APIs   Local Modifications Substantial changes to make them compatible with NpmCommandLineRunner.

###  Health Score

29

—

LowBetter than 59% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity12

Limited adoption so far

Community23

Small or concentrated contributor base

Maturity55

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 82.6% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~0 days

Total

3

Last Release

4252d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/58cf83f3ed29f210aa52fec443014572688d7c948aeac0cfdb8ccf216a3f437b?d=identicon)[robfrawley](/maintainers/robfrawley)

---

Top Contributors

[![blickly](https://avatars.githubusercontent.com/u/36416?v=4)](https://github.com/blickly "blickly (1441 commits)")[![dimvar](https://avatars.githubusercontent.com/u/286890?v=4)](https://github.com/dimvar "dimvar (148 commits)")[![nicks](https://avatars.githubusercontent.com/u/278641?v=4)](https://github.com/nicks "nicks (62 commits)")[![concavelenz](https://avatars.githubusercontent.com/u/1245994?v=4)](https://github.com/concavelenz "concavelenz (29 commits)")[![MatrixFrog](https://avatars.githubusercontent.com/u/244381?v=4)](https://github.com/MatrixFrog "MatrixFrog (18 commits)")[![pauldraper](https://avatars.githubusercontent.com/u/1403271?v=4)](https://github.com/pauldraper "pauldraper (6 commits)")[![simon-robertson](https://avatars.githubusercontent.com/u/20401399?v=4)](https://github.com/simon-robertson "simon-robertson (6 commits)")[![usmonster](https://avatars.githubusercontent.com/u/1373334?v=4)](https://github.com/usmonster "usmonster (5 commits)")[![phistuck](https://avatars.githubusercontent.com/u/184400?v=4)](https://github.com/phistuck "phistuck (3 commits)")[![fredj](https://avatars.githubusercontent.com/u/100959?v=4)](https://github.com/fredj "fredj (3 commits)")[![Dominator008](https://avatars.githubusercontent.com/u/1403453?v=4)](https://github.com/Dominator008 "Dominator008 (2 commits)")[![GFriedrich](https://avatars.githubusercontent.com/u/6963895?v=4)](https://github.com/GFriedrich "GFriedrich (2 commits)")[![mknichel](https://avatars.githubusercontent.com/u/7355009?v=4)](https://github.com/mknichel "mknichel (2 commits)")[![ibukanov](https://avatars.githubusercontent.com/u/2381216?v=4)](https://github.com/ibukanov "ibukanov (2 commits)")[![alexdmiller](https://avatars.githubusercontent.com/u/926408?v=4)](https://github.com/alexdmiller "alexdmiller (1 commits)")[![zeddic](https://avatars.githubusercontent.com/u/9398560?v=4)](https://github.com/zeddic "zeddic (1 commits)")[![avindra](https://avatars.githubusercontent.com/u/126848?v=4)](https://github.com/avindra "avindra (1 commits)")[![clawr](https://avatars.githubusercontent.com/u/5894447?v=4)](https://github.com/clawr "clawr (1 commits)")[![dtarasiuk](https://avatars.githubusercontent.com/u/187157?v=4)](https://github.com/dtarasiuk "dtarasiuk (1 commits)")[![ducklord](https://avatars.githubusercontent.com/u/841693?v=4)](https://github.com/ducklord "ducklord (1 commits)")

---

Tags

javascriptclosurecompilerScribe

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