Kotlin-multiplatform, kotlinFrontend and webpack.config.js not recognizing multiplatform dependencies

From the kotlin-frontend-plugin new-mpp example.

If i use a webpack config, webpack pukes on the multiplatform imports.

build.gradle

plugins {
    id 'kotlin-multiplatform' version '1.3.21'
    id 'org.jetbrains.kotlin.frontend' version '0.0.45'
}

repositories {
    jcenter()
    maven { url "https://dl.bintray.com/kotlin/ktor" }
    mavenCentral()
}
def ktor_version = '1.0.0'
def logback_version = '1.2.3'

kotlin {
    targets {
        fromPreset(presets.jvm, 'jvm')
        fromPreset(presets.js, 'js') {
            configure([compilations.main, compilations.test]) {
                tasks.getByName(compileKotlinTaskName).kotlinOptions {
                    sourceMap = true
                    moduleKind = "commonjs"
                    metaInfo = true
                }
            }

            configure(compilations.main) {
                tasks.getByName(compileKotlinTaskName).kotlinOptions {
                    main = "call"
                }
            }
        }
    }

    sourceSets {
        commonMain {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-stdlib-common'
            }
        }
        commonTest {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-test-common'
                implementation 'org.jetbrains.kotlin:kotlin-test-annotations-common'
            }
        }
        jvmMain {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
                implementation "io.ktor:ktor-server-jetty:$ktor_version"
                implementation "io.ktor:ktor-html-builder:$ktor_version"
                implementation "ch.qos.logback:logback-classic:$logback_version"
            }
        }
        jvmTest {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-test'
                implementation 'org.jetbrains.kotlin:kotlin-test-junit'
            }
        }
        jsMain {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-stdlib-js'
            }
        }
        jsTest {
            dependencies {
                implementation 'org.jetbrains.kotlin:kotlin-test-js'
            }
        }
    }
}

kotlinFrontend {
    npm {
        dependency("css-loader")
        dependency("style-loader")
        dependency("gl-matrix", "3.0.0")
        dependency("common-js", "0.3.8")
        dependency("react-mapbox-gl-cluster", "0.1.10")
        dependency("webpack-cli", "v2.0.12")
/*        dependency("firebase", "^4.6.2")*/
        dependency("react", "16.6.0")
        dependency("react-dom", "16.6.0")
        dependency("react-router-dom", "4.2.2")
        dependency("axios", "0.18.0")
        dependency("react-modal", "^3.6.1")
        dependency("react-quill", "^1.3.2")
        dependency("react-mapbox-gl", "4.2.0")
        dependency("html-react-parser", "^0.4.7")
        dependency("react-map-gl", "4.0.10")
        dependency("uuid")
        dependency("query-string", "^6.2.0")
        dependency("geolocation", "0.2.0")
    }

    sourceMaps = true

    webpackBundle {
        bundleName = "main"
        proxyUrl = "http://localhost:8080"
        webpackConfigFile = "webpack.config.js"
    }
}

ktor {
    port = 8080
    mainClass = "io.ktor.server.jetty.EngineMain"
}

webpack.config.js

config = require('./build/WebPackHelper.js');
var path = require('path');

module.exports = {
    entry: config.moduleName,
    output: {
        path: path.resolve('./bundle'),
        publicPath: '/build/',
        filename: 'main.bundle.js'
    },
    resolve: {
        modules: [ path.resolve('js'), path.resolve('..', 'src'), path.resolve('.'), path.resolve('node_modules') ],
        extensions: ['.js', '.css']
    },
    module: {
        rules: [
            { test: /\.css$/, use: [ 'style-loader', 'css-loader' ] }
        ]
    },
    devtool: '#source-map',
};

console.log(module.exports.resolve.modules);

any ideas on how to get this working?