io.youi.app.YouIApplication.scala Maven / Gradle / Ivy

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package io.youi.app

import io.youi.{Cache, CacheImplementation, ErrorSupport}
import profig.Profig

import scala.language.experimental.macros

/**
  * Base trait to define shared client and server information. This trait must be extended in the shared code as a trait
  * and implemented in both client and server implementations.
  */
trait YouIApplication extends ErrorSupport with CacheImplementation {
  Cache.implementation = this
  YouIApplication.instance = Some(this)

  def isClient: Boolean
  def isServer: Boolean

  /**
    * Returns true if errors that happen in the browser should be logged on the server.
    *
    * Defaults to true.
    */
  protected def logJavaScriptErrors: Boolean = Profig("logJavaScriptErrors").opt[Boolean].getOrElse(true)

  protected val logPath: String = "/client/log"
}

object YouIApplication {
  private var instance: Option[YouIApplication] = None

  def get(): Option[YouIApplication] = instance

  def apply(): YouIApplication = instance.getOrElse(throw new RuntimeException("No YouIApplication is initialized!"))
}