[buffer] Bump for Node.js v16

Author: exoego

app/nodejs-v14/src/main/scala/io/scalajs/nodejs/buffer/Blob.scala

@@ -0,0 +1,49 @@
+package io.scalajs.nodejs.buffer
+
+import com.thoughtworks.enableMembersIf
+import net.exoego.scalajs.types.util.Factory
+
+import scala.scalajs.js
+import scala.scalajs.js.annotation.{JSImport, JSName}
+import scala.scalajs.js.typedarray.{ArrayBuffer, DataView, TypedArray, Uint8Array}
+import scala.scalajs.js.|
+
+@enableMembersIf(io.scalajs.nodejs.internal.CompilerSwitches.gteNodeJs16)
+@js.native
+@JSImport("buffer", "Blob")
+class Blob() extends Uint8Array( /* dummy to trick constructor */ -1) {
+
+  def this(source: js.Array[String] | js.Array[ArrayBuffer] | js.Array[TypedArray[_, _]] | js.Array[
+             DataView
+           ] | js.Array[Blob],
+           options: BlobOptions
+  ) = this()
+  def this(
+      source: js.Array[String] | js.Array[ArrayBuffer] | js.Array[TypedArray[_, _]] | js.Array[DataView] | js.Array[
+        Blob
+      ]
+  ) = this()
+
+  def arrayBuffer(): js.Promise[ArrayBuffer] = js.native
+
+  def size: Double = js.native
+
+  def slice(start: Double, end: Double, `type`: String): Blob = js.native
+  def slice(start: Double, end: Double): Blob                 = js.native
+  def slice(start: Double): Blob                              = js.native
+
+  def text(): js.Promise[String] = js.native
+
+  def `type`: String = js.native
+
+  /** Alias for [[`type`]]
+    */
+  @JSName("type")
+  def contentType: String = js.native
+}
+
+@Factory
+trait BlobOptions extends js.Object {
+  var encoding: js.UndefOr[String] = js.undefined
+  var `type`: js.UndefOr[String]   = js.undefined
+}

app/nodejs-v14/src/main/scala/io/scalajs/nodejs/buffer/package.scala

@@ -1,5 +1,7 @@
 package io.scalajs.nodejs
 
+import com.thoughtworks.enableIf
+
 import scala.scalajs.js
 import scala.scalajs.js.annotation.JSImport
 import scala.scalajs.js.typedarray.Uint8Array
@@ -58,6 +60,14 @@ package object buffer {
   def transcode(source: Uint8Array, fromEnc: String, toEnc: String): Buffer =
     BufferNamespace.transcode(source, fromEnc, toEnc)
 
+  @enableIf(io.scalajs.nodejs.internal.CompilerSwitches.gteNodeJs16)
+  @deprecated("Use Buffer.from(data, 'base64') instead.", "Node.js v15.13.0")
+  def atob(data: String): String = js.native
+
+  @enableIf(io.scalajs.nodejs.internal.CompilerSwitches.gteNodeJs16)
+  @deprecated("Use buf.toString('base64') instead.", "Node.js v15.13.0")
+  def btoa(data: String): String = js.native
+
   /** Returns the maximum number of bytes that will be returned when buf.inspect() is called.
     * This can be overridden by user modules. See util.inspect() for more details on buf.inspect() behavior.
     *