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• upickle_sjs0.6_2.11
• custom-5
• source code
• package.scala

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upickle.json.package.scala Maven / Gradle / Ivy

package upickle
import acyclic.file
import scalajs.js


package object json {

  def readJs(value: Any): Js.Value = value match{
    case s: String => Js.Str(s)
    case n: Double => Js.Num(n)
    case true => Js.True
    case false => Js.False
    case s: js.Array[_] => Js.Arr(s.map(readJs(_: Any)):_*)
    case s: js.Object => Js.Obj(s.asInstanceOf[js.Dictionary[_]].mapValues(readJs).toSeq:_*)
  }

  def read(s: String): Js.Value = {
    val parsed = try {
      js.JSON.parse(s)
    }catch{ case js.JavaScriptException(e: js.SyntaxError) =>
      throw Invalid.Json(e.message, s)
    }
    readJs(parsed)
  }

  def writeJs(value: Js.Value): Any = value match{
    case Js.Str(s) => s
    case Js.Num(n) => n
    case Js.True => true
    case Js.False => false
    case Js.Arr(children@_*) => js.Array(children.map(writeJs(_)):_*)
    case Js.Obj(kvs@_*) => js.Dictionary(kvs.map{case (k, v) => (k, writeJs(v))}:_*)
  }

  def write(v: Js.Value): String =
    js.JSON.stringify(writeJs(v).asInstanceOf[js.Any])
}