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package scala.scalajs.tools.jsdep
abstract class DependencyException(msg: String) extends Exception(msg)
class MissingDependencyException(
val originatingLib: FlatJSDependency,
val missingLib: String
) extends DependencyException(
s"The JS dependency ${originatingLib.resourceName} declared " +
s"from ${originatingLib.origin} has an unmet transitive " +
s"dependency $missingLib")
class CyclicDependencyException(
val participants: List[ResolutionInfo]
) extends DependencyException(
CyclicDependencyException.mkMsg(participants))
object CyclicDependencyException {
private def mkMsg(parts: List[ResolutionInfo]) = {
val lookup = parts.map(p => (p.resourceName, p)).toMap
val msg = new StringBuilder()
msg.append("There is a loop in the following JS dependencies:\n")
def str(info: ResolutionInfo) =
s"${info.resourceName} from: ${info.origins.mkString(", ")}"
for (dep <- parts) {
msg.append(s" ${str(dep)} which depends on\n")
for (name <- dep.dependencies) {
val rdep = lookup(name)
msg.append(s" - ${str(rdep)}\n")
}
}
msg.toString()
}
}
class ConflictingNameException(
val participants: List[FlatJSDependency]
) extends DependencyException(
ConflictingNameException.mkMsg(participants))
object ConflictingNameException {
private def mkMsg(parts: List[FlatJSDependency]) = {
val resName = parts.head.resourceName
val msg = new StringBuilder()
msg.append(s"Name conflicts in:\n")
for (p <- parts) {
msg.append(p)
msg.append('\n')
}
sys.error(msg.toString())
}
}
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