How to execute a Node command in a Kotlin/JS project

Question

Kotlin/JS maintains a local Node installation, used by Yarn, etc.

Is there a way to execute commands via that installation, without using a Gradle plugin that downloads another one?

CLOVIS · Accepted Answer · 2021-08-18 10:42:14Z

2

The task kotlinNodeJsSetup exposes the destination of the Node installation.

Using this task, it is possible to create a NodeJS task:

tasks.create<Exec>("yourTask") {
    dependsOn(":kotlinNodeJsSetup")

    val kotlinNodeJsSetup = rootProject.tasks["kotlinNodeJsSetup"] as org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsSetupTask
    workingDir = File(kotlinNodeJsSetup.destination, "bin")
    commandLine(
        "node",
        "yourScript.js",
        "arg1",
        "…",
    )
}

answered Aug 18, 2021 at 10:42

CLOVIS

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3 Comments

Joffrey Over a year ago

As mentioned in the Slack thread, there is no bin subfolder on Windows for the executable (node.exe is directly there). You might need to define the work dir differently based on OS, unless there is a better way

Andrei K. Over a year ago

It's possible to leverage Gradle's Task Configuration Avoidance by using val yourTask by registering(Exec::class) { for the declaration. Also, had to use "./node" instead of "node".

Waqas Tahir Over a year ago

Configuration already finalized for previous property values

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