tl-esa-tools/survey/build.gradle

// https://dzone.com/articles/integrating-java-and-npm-builds-using-gradle
// https://github.com/node-gradle/gradle-node-plugin/blob/master/examples/vertx-react/build.gradle
plugins {
    id "base"
    // You have to specify the plugin version, for instance
    // id "com.github.node-gradle.node" version "3.0.0"
    // This works as is here because we use the plugin source
    id "com.github.node-gradle.node"
}

// https://github.com/node-gradle/gradle-node-plugin/blob/master/examples/simple-node/npm/build.gradle
node {
    /* gradle-node-plugin configuration
       https://github.com/srs/gradle-node-plugin/blob/master/docs/node.md

       Task name pattern:
       ./gradlew npm_<command> Executes an NPM command.
    */

    // Version of node to use.
    version = '18.12.1'

    // Version of npm to use.
    npmVersion = '8.1.4'

    // Version of Yarn
    yarnVersion = '1.22.19'

    // If true, it will download node using above parameters.
    // If false, it will try to use globally installed node.
    download = true
}

def yarn = tasks.named("yarn")

def copyTask = tasks.register("copyPublic", Copy) {
    dependsOn(yarn)
    mustRunAfter(yarn)
    from "public"
    into "${buildDir}/../../docs"
    println("copied")
}

def rewriteContent = tasks.register("rewriteFileContent") {
    dependsOn(copyTask)
    mustRunAfter(copyTask)
    inputs.dir("public")
    doLast {
        def publicPath = ""
        def path = "${buildDir}/../../docs"

        ant.replaceregexp(match: '%PUBLIC_URL%', replace: publicPath, flags: 'g', byline: true) {
            fileset(dir: path, includes: 'index.html,manifest.json')
        }
        println("rewritten")
    }
}

// https://www.metachris.com/2021/04/starting-a-typescript-project-in-2021/
def buildTask = tasks.register("buildWebapp", NpxTask) {
    command = "esbuild"
    args = ["src/index.tsx", "--bundle", "--sourcemap", "--outfile=${buildDir}/../../docs/app/index.js"]
    dependsOn(rewriteContent)
    mustRunAfter(rewriteContent)
    inputs.dir(fileTree("src").exclude("**/*.test.js").exclude("**/*.spec.js").exclude("**/__tests__/**/*.js"))
    inputs.dir("node_modules")
    inputs.dir("public")
    outputs.dir("${buildDir}/../../docs")
    environment = ["BUILD_PATH": "${buildDir}/../../docs"]
    println("built")
}

def testTask = tasks.register("testWebapp", NpxTask) {
    command = "react-scripts"
    args = ["test"]
    dependsOn(yarn)
    inputs.dir("node_modules")
    inputs.dir("src")
    inputs.dir("public")
    outputs.upToDateWhen { true }
    environment = ['CI': 'true']
}

sourceSets {
    java {
        main {
            resources {
                // This makes the processResources task automatically depend on the buildWebapp one
                srcDir(buildTask)
            }
        }
    }
}