ScriptCraft/typescript.build.gradle

def typescriptRoot = 'src/main/ts'
def typescriptRootFile = new File(rootDir.absolutePath, typescriptRoot)

def nodeModules = new File(typescriptRootFile, 'node_modules')

task typescriptInstall(group: 'typescript', type: Exec) {
    inputs.file new File(typescriptRootFile, 'package.json')
    outputs.dir nodeModules

    workingDir typescriptRootFile

    executable 'npm'

    args 'install'
}

def typescriptOut = new File(typescriptRootFile, 'lib/ts')
def dtsOut = new File(typescriptRootFile, 'lib/dts')

task typescript(group: 'typescript', type: Exec) {
    inputs.dir typescriptRootFile
    outputs.dirs typescriptOut, dtsOut

    workingDir typescriptRootFile

    executable 'npm'

    args 'run', 'build'

    doFirst {
        project.delete {
            delete typescriptOut, dtsOut
        }
    }
}

typescript.dependsOn typescriptInstall

task typescriptAPI(group: 'typescript', type: Jar) {
    into('types') {
        from new File(typescriptRootFile as File, 'src/types')
    }
    into('lib') {
        from dtsOut
    }

    classifier 'api'
}

typescriptAPI.dependsOn typescript

artifacts {
    archives typescriptAPI
}

task eslint(group: 'typescript', type: Exec) {
    workingDir typescriptRootFile

    executable 'npm'

    args 'run', 'eslint'
}

eslint.dependsOn typescriptInstall

processResources.dependsOn typescript

def typedocOut = new File(typescriptRootFile, 'lib/typedoc')

task typedoc(group: 'typescript', type: Exec) {
    inputs.dir typescriptRootFile
    outputs.dir typedocOut

    workingDir typescriptRootFile

    executable 'npm'

    args 'run', 'typedoc'

    doFirst {
        project.delete {
            delete typedocOut
        }
    }
}

typedoc.dependsOn typescriptInstall

processResources {
    from(typescriptOut.absolutePath) {
        into 'scriptcraft'
    }
}