scala-js/scala-js-dom#806: Add support for Web NFC API

webapp/src/main/scala/org/scalajs/dom/NDEFMessage.scala

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+package org.scalajs.dom
+
+import scala.scalajs.js
+import scala.scalajs.js.annotation.JSGlobal
+
+/** The [[NDEFMessage]] interface of the Web NFC API represents the content of an NDEF message that has been read from
+  * or could be written to an NFC tag. An instance is acquired by calling the NDEFMessage() constructor or from the
+  * NDEFReadingEvent.message property, which is passed to the reading event.
+  *
+  * @param records\
+  *   The records property of NDEFMessage interface represents a list of NDEFRecords present in the NDEF message.
+  */
+@js.native
+@JSGlobal
+class NDEFMessage(var records: js.Array[NDEFRecord] = js.native) extends js.Object

webapp/src/main/scala/org/scalajs/dom/NDEFReader.scala

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+package org.scalajs.dom
+
+import scala.scalajs.js
+import scala.scalajs.js.annotation.JSGlobal
+import scala.scalajs.js.|
+
+/** The [[NDEFReader]] interface of the Web NFC API (https://developer.mozilla.org/en-US/docs/Web/API/Web_NFC_API) is
+  * used to read from and write data to compatible NFC devices, e.g. NFC tags supporting NDEF, when these devices are
+  * within the reader's magnetic induction field.
+  */
+@JSGlobal("NDEFReader")
+@js.native
+class NDEFReader() extends EventTarget {
+
+  /** Activates a reading device and returns a Promise that either resolves when an NFC tag read operation is scheduled
+    * or rejects if a hardware or permission error is encountered. This method triggers a permission prompt if the "nfc"
+    * permission has not been previously granted.
+    *
+    * @return
+    *   a Promise that resolves immediately after scheduling read operations for the NFC adapter.
+    */
+  def scan(options: NDEFScanOptions = js.native): js.Promise[js.Any] = js.native
+
+  /** Attempts to write an NDEF message to a tag and returns a Promise that either resolves when a message has been
+    * written to the tag or rejects if a hardware or permission error is encountered. This method triggers a permission
+    * prompt if the "nfc" permission has not been previously granted.
+    *
+    * @param message
+    *   The message to be written, either a string object or literal, an ArrayBuffer, a TypedArray, a DataView, or an
+    *   array of records. A record has the following members:
+    * @param options
+    *   An object with the following properties:
+    *
+    * @return
+    *   a Promise that either resolves when a message has been written to the tag or rejects if a hardware or permission
+    *   error is encountered.
+    */
+  def write(
+      message: String | js.typedarray.ArrayBuffer | /* js.typedarray.TypedArray[NDEFRecord, ???] */ js.typedarray.DataView |
+        js.Array[NDEFRecord], options: NDEFWriteOptions = js.native
+  ): js.Promise[js.Any] = js.native
+
+  /** The reading event of the NDEFReader interface is fired whenever a new reading is available from compatible NFC
+    * devices (e.g. NFC tags supporting NDEF) when these devices are within the reader's magnetic induction field.
+    */
+  var onreading: js.Function1[NDEFReadingEvent, Any] = js.native
+
+  /** The readingerror event of the NDEFReader interface is fired whenever an error occurs during reading of NFC tags,
+    * e.g. when tags leave the reader's magnetic induction field.
+    */
+  var onreadingerror: js.Function1[Event, Any] = js.native
+}

webapp/src/main/scala/org/scalajs/dom/NDEFReadingEvent.scala

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+package org.scalajs.dom
+
+import scala.scalajs.js
+
+/** The NDEFReadingEvent interface of the Web NFC API represents events dispatched on new NFC readings obtained by
+  * NDEFReader.
+  *
+  * @see
+  *   https://developer.mozilla.org/en-US/docs/Web/API/NDEFReadingEvent
+  */
+@js.native
+trait NDEFReadingEvent extends Event {
+
+  /** Returns an NDEFMessage object containing the received message. */
+  var message: NDEFMessage = js.native
+
+  /** Returns the serial number of the device, which is used for anti-collision and identification, or an empty string
+    * if no serial number is available.
+    */
+  var serialNumber: String = js.native
+
+}

webapp/src/main/scala/org/scalajs/dom/NDEFRecord.scala

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+package org.scalajs.dom
+
+import scala.scalajs.js
+import scala.scalajs.js.annotation.JSGlobal
+
+/** The [[NDEFRecord]] interface of the Web NFC API provides data that can be read from, or written to, compatible NFC
+  * devices, e.g. NFC tags supporting NDEF.
+  */
+@js.native
+@JSGlobal
+class NDEFRecord extends js.Object {
+
+  /** Returns the record type of the record. Records must have either a standardized well-known type name such as
+    * "empty", "text", "url", "smart-poster", "absolute-url", "mime", or "unknown" or else an external type name, which
+    * consists of a domain name and custom type name separated by a colon (":").
+    */
+  var recordType: String = js.native
+
+  /** Returns the MIME type of the record. This value will be null if recordType is not equal to "mime". */
+  var mediaType: js.UndefOr[String] = js.native
+
+  /** Returns the record identifier, which is an absolute or relative URL used to identify the record.
+    *
+    * Note: The uniqueness of the identifier is enforced only by the generator of the record.
+    */
+  var id: js.UndefOr[String] = js.native
+
+  /** Returns a DataView containing the raw bytes of the record's payload. */
+  var data: js.typedarray.DataView = js.native
+  // var data: DataView = js.native
+
+  /** Returns the encoding of a textual payload, or null otherwise. */
+  var encoding: js.UndefOr[String] = js.native
+
+  /** Returns the language of a textual payload, or null if one was not supplied. */
+  var lang: js.UndefOr[String] = js.native
+
+  /** Converts [[NDEFRecord.data]] to a sequence of records. This allows parsing the payloads of record types which may
+    * contain nested records, such as smart poster and external type records.
+    */
+  def toRecords(): js.Array[NDEFRecord] = js.native
+}

webapp/src/main/scala/org/scalajs/dom/NDEFScanOptions.scala

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+package org.scalajs.dom
+
+import scala.scalajs.js
+
+@js.native
+trait NDEFScanOptions extends js.Object {
+
+  /** An AbortSignal that allows the current write operation to be canceled. */
+  def `signal`: js.UndefOr[AbortSignal] = js.native
+}

webapp/src/main/scala/org/scalajs/dom/NDEFWriteOptions.scala

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+package org.scalajs.dom
+
+import scala.scalajs.js
+
+@js.native
+trait NDEFWriteOptions extends js.Object {
+
+  /** A boolean value specifying whether or not existing records should be overwritten, if such exists. */
+  def `overwrite`: Boolean = js.native
+
+  /** An AbortSignal that allows the current write operation to be canceled. */
+  def `signal`: js.UndefOr[AbortSignal] = js.native
+}