About

Look at the original project https://github.com/gli/closure-compiler-maven-plugin

There is no maven repo for this plugin, so you need to download and build it by yourself.

Configuration

You can configure plugin with properties like this:

<properties>
    <closure.source>src/main/javascript</closure.source>
    <closure.externs>src/main/externs</closure.externs>
    <closure.outputFile>compiled.js</closure.outputFile>
    <closure.outputDir>${project.build.directory}/${project.build.finalName}</closure.outputDir>
    <closure.output>${closure.outputDir}/${closure.outputFile}</closure.output>
</properties>
<build>
    <plugins>
        ...
        <plugin>
            <groupId>com.github.urmuzov</groupId>
            <artifactId>closure-compiler-maven-plugin</artifactId>
            <version>0.1.1-SNAPSHOT</version>
            <executions>
                <execution>
                    <phase>process-resources</phase>
                    <goals>
                        <goal>compile</goal>
                    </goals>
                </execution>
            </executions>
            <configuration>
                <loggingLevel>WARNING</loggingLevel>
                <sourceDirectory>${closure.source}</sourceDirectory>
                <externsSourceDirectory>${closure.externs}</externsSourceDirectory>
                <outputFile>${closure.output}</outputFile>
                <compilationLevel>ADVANCED_OPTIMIZATIONS</compilationLevel>
                <warningLevel>VERBOSE</warningLevel>
                <manageClosureDependencies>true</manageClosureDependencies>
                <generateExports>true</generateExports>
                <addDefaultExterns>true</addDefaultExterns>
                <logExternFiles>true</logExternFiles>
                <logSourceFiles>true</logSourceFiles>
                <stopOnErrors>true</stopOnErrors>
                <stopOnWarnings>true</stopOnWarnings>
            </configuration>
        </plugin>
        ...
    </plugins>
</build>