Gradle task to generate project dependency graph as json

gradle-dependency-graph.gradle

tasks.register("dependencyGraph") {
  description = "Generate dependency graph json"
  doLast {
    def dependencyGraph = subprojects
      .collect { project ->
        [
          "project"     : project.path,
          "dependencies": project.configurations
            .collectMany { config ->
              config
                .dependencies
                .withType(ProjectDependency)
                .collect { it.dependencyProject.path }
            }
        ]
      }
    def json = JsonOutput.prettyPrint(JsonOutput.toJson(dependencyGraph))
    logger.quiet(json)
    new File(project.buildDir, "dependencyGraph.json").write(json)
  }
}