Mermaid visualization of a Gradle project's task graph

task_graph.groovy

gradle.taskGraph.whenReady {
  println ''
  println '----------------------------------------'
  println ''
  println 'Generating Task Graph:'

  def mermaid = new File(rootProject.buildDir, 'project.mermaid')
  mermaid.delete()

  def command = "./gradlew " + gradle.startParameter.getTaskNames().join(" ")
  println "command: " + command

  def projectTaskMap = [:] //Collapse Duplicates
  mermaid << 'graph TD\n'
  gradle.taskGraph.allTasks.each { task ->
    task.taskDependencies.getDependencies(task).each { dep->
      projectTaskMap["${dep.name} --> ${task.name}"] = ""
    }
  }

  projectTaskMap.each {
    mermaid << "$it.key\n"
  }

  mermaid << '\n'
  println("Visualized Task graph created at ${mermaid.absolutePath}.mermaid")
}