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• scalajscli_2.13
• 1.17.0
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• ModuleSplitStyleParser.scala

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org.scalajs.cli.internal.ModuleSplitStyleParser.scala Maven / Gradle / Ivy

package org.scalajs.cli.internal

import org.scalajs.linker.interface.{ModuleSplitStyle => ActualModuleSplitStyle}

// class rather than object, as that's easier to substitute from native-image
class ModuleSplitStyleParser {
  def parse(
      splitStyle: String,
      modulePackages: Array[String]
  ): ModuleSplitStyle =
    if (splitStyle == ActualModuleSplitStyle.FewestModules.toString)
      ModuleSplitStyle(ActualModuleSplitStyle.FewestModules)
    else if (splitStyle == ActualModuleSplitStyle.SmallestModules.toString)
      ModuleSplitStyle(ActualModuleSplitStyle.SmallestModules)
    else if (splitStyle == ActualModuleSplitStyle.SmallModulesFor.toString) {
      if (modulePackages.isEmpty)
        throw new IllegalArgumentException(
          s"SmallModuleFor style must have at least one package. To define it pass `--smallModuleForPackages` parameter."
        )
      ModuleSplitStyle(
        ActualModuleSplitStyle.SmallModulesFor(modulePackages.toList)
      )
    } else
      throw new IllegalArgumentException(
        s"$splitStyle is not a valid module split style"
      )
}