FileReaderSync.scala

package org.scalajs.dom.experimental

import org.scalajs.dom.raw.Blob

import scala.scalajs.js
import scala.scalajs.js.annotation._
import scala.scalajs.js.typedarray.ArrayBuffer

/**
 * The FileReaderSync interface allows to read File or Blob objects synchronously.
 *
 * This interface is only available in workers as it enables synchronous I/O that could potentially block.
 *
 * MDN
 */
@js.native
@JSGlobal
class FileReaderSync() extends js.Object {

  /**
   * The readAsArrayBuffer method is used to starts reading the contents of the
   * specified Blob or File. When the read operation is finished, the readyState
   * becomes DONE, and the loadend is triggered. At that time, the result attribute
   * contains an ArrayBuffer representing the file's data.
   *
   * MDN
   */
  def readAsArrayBuffer(blob: Blob): ArrayBuffer = js.native

  /**
   * The readAsDataURL method is used to starts reading the contents of the specified
   * Blob or File. When the read operation is finished, the readyState becomes DONE, and
   * the loadend is triggered. At that time, the result attribute contains a data: URL
   * representing the file's data as base64 encoded string.
   *
   * MDN
   */
  def readAsDataURL(blob: Blob): URL = js.native

  /**
   * The readAsText method is used to read the contents of the specified Blob or File.
   * When the read operation is complete, the readyState is changed to DONE, the loadend
   * is triggered, and the result attribute contains the contents of the file as a text string.
   *
   * MDN
   */
  def readAsText(blob: Blob, encoding: String = js.native): String = js.native
}