Running a function with Gradle & Kotlin (build.gradle.kts)

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#35 创建于 2020年5月27日 3 条评论 34 个 reaction 已指派 0 人在 GitHub 查看

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Issue 类型: 文档
描述清晰度: 基本清楚
活跃度: 停滞
技术栈: java, kotlin
领域: documentation

调研方向

从文档中的 Gradle 示例开始，并将其与提供的 build.gradle.kts 配置进行比较。更新文档，以包含 Kotlin DSL 形式以及缺少 runFunction.target 时的 fallback，然后验证该示例是否与所述的 Kotlin 和 Gradle 版本兼容。

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描述

enhancement

Thanks for putting all this together! I was trying to get the local invoker working on my local machine, which is setup using kotlin (1.3.72) and gradle (6.4.1) via the build.gradle.kts file.

The Gradle example in the documentation uses a format that doesn't seem compatible with the build.gradle.kts file, so I'm hoping sharing that particular configuration helps people set up their project.

`build.gradle.kts`

val invoker by configurations.creating

dependencies {
    implementation("com.google.cloud.functions:functions-framework-api:1.0.1")
    invoker("com.google.cloud.functions.invoker:java-function-invoker:1.0.0-alpha-2-rc5")
}

task<JavaExec>("runFunction") {
    main = "com.google.cloud.functions.invoker.runner.Invoker"
    classpath(invoker)
    inputs.files(configurations.runtimeClasspath, sourceSets["main"].output)
    args(
        "--target", project.findProperty("runFunction.target") ?: "",
        "--port", project.findProperty("runFunction.port") ?: 8080
    )
    doFirst {
        args("--classpath", files(configurations.runtimeClasspath, sourceSets["main"].output).asPath)
    }
}

Apart from the particular formatting for the .kts version, I did have to add one thing:

I had to add the elvis operator ?: "" for ``--target, otherwise you cannot build the project due to Illegal null value provided in this collection: [--target, null, --port, 8080]`

主要语言: Java
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