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I'm trying to create a gradle plugin as part of a ...
# community-support
r
I'm trying to create a gradle plugin as part of a library project. The 
gradleApi()
dependency function isn't available inside sourceSets/jvmMain/dependencies, but it is available in a root dependencies block. However, in the latter location, it still isn't enough for my plugin class to be able to import anything from org.gradle. Build file in thread
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plugins {
    kotlin("multiplatform") version "2.0.20"
    kotlin("plugin.serialization") version "2.0.20"
    id("com.github.node-gradle.node") version "7.0.2"
    id("maven-publish")
    `java-gradle-plugin`
}

group = "zoned"
version = "1.0-SNAPSHOT"

repositories {
    mavenCentral()
    gradlePluginPortal()
}

val kotlinWrappers = "1.0.0-pre.819"

// works here
//dependencies {
//    implementation(gradleApi())
//    implementation(kotlin("gradle-plugin"))
//}

kotlin {
    jvm()
    js(IR) {
        browser()
        nodejs()
    }

    sourceSets {
        val jsMain by getting {
            dependencies {
                api(project.dependencies.platform("org.jetbrains.kotlin-wrappers:kotlin-wrappers-bom:$kotlinWrappers"))
                api("org.jetbrains.kotlin-wrappers:kotlin-js")
                api("org.jetbrains.kotlin-wrappers:kotlin-browser")
                api("org.jetbrains.kotlin-wrappers:kotlin-css")

                api("org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.3")
                api("org.jetbrains.kotlinx:kotlinx-html-js:0.11.0")
                api(npm("tailwindcss", "3.4.4"))
                api(npm("sortablejs", "1.15.1"))
            }
        }
        val jvmMain by getting {
            dependencies {
                // but not here
                implementation(gradleApi())
                implementation(kotlin("gradle-plugin"))
                implementation("com.github.node-gradle:gradle-node-plugin:7.0.2")
            }
        }
    }
}

gradlePlugin {
    plugins {
        create("zonedjsPlugin") {
            id = "${project.group}.${project.name}"
            implementationClass = "zoned.gradle.ZonedPlugin"
        }
    }
}

// Publishing configuration
publishing {
    publications {
        create<MavenPublication>("maven") {
            from(components["kotlin"])
        }
    }

    // Configure the repository to publish to
    repositories {
        mavenLocal()
    }
}
Ah. Buried in the build output (but not visible in the IDE): 
w: 'java' Gradle plugin is not compatible with 'org.jetbrains.kotlin.multiplatform' plugin.
What's the reason for the incompatibility?
v
Ask JetBrains? Probably the KMP plugin and 
java
plugin do incompatible things.
Regarding "but not here", you could probably use the usual work-around 
implementation(dependencies.gradleApi())
.
p
Why exactly do you want to mix a JVM graded plugin with Kotlin Multiplattform? Yes, t should work, but I really recommend you to split the modules because it’s way easier. Eg both plugins configure publishing automatically, but it might be not compatible, eg pom marker and MPP POM rewriting.
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