Overhaul readline module

Author: exoego

README.md

@@ -38,7 +38,7 @@ The following core Node.js modules (v8.7.0+) have been implemented:
 | [path](https://nodejs.org/api/path.html)                     | :heavy_check_mark: |
 | [process](https://nodejs.org/api/process.html)               | :heavy_check_mark: |
 | [querystring](https://nodejs.org/api/querystring.html)       | :heavy_check_mark: |
-| [readline](https://nodejs.org/api/readline.html)             |                    |
+| [readline](https://nodejs.org/api/readline.html)             | :heavy_check_mark: |
 | [repl](https://nodejs.org/api/repl.html)                     | :heavy_check_mark: |
 | [stream](https://nodejs.org/api/stream.html)                 |                    |
 | [string-decoder](https://nodejs.org/api/string_decoder.html) | :heavy_check_mark: |

app/current/src/main/scala/io/scalajs/nodejs/readline/Interface.scala

@@ -51,7 +51,7 @@ trait Interface extends IEventEmitter {
     * If output is set to null or undefined when calling createInterface, nothing is displayed.
     * @example rl.question(query, callback)
     */
-  def question(query: String, callback: js.Function): Unit = js.native
+  def question(query: String, callback: js.Function1[String, Any]): Unit = js.native
 
   /**
     * Resumes the readline input stream.
@@ -71,7 +71,7 @@ trait Interface extends IEventEmitter {
     * This will also resume the input stream if it has been paused.
     * @example rl.write(data[, key])
     */
-  def write(data: String, key: js.Any): Unit = js.native
+  def write(data: String, key: Key): Unit = js.native
 
   /**
     * Writes data to output stream, unless output is set to null or undefined when calling createInterface.
@@ -81,8 +81,16 @@ trait Interface extends IEventEmitter {
     */
   def write(data: String): Unit = js.native
 
+  // TODO: [Symbol.asyncIterator]()
 }
 
+class Key(
+    var ctrl: js.UndefOr[Boolean] = js.undefined,
+    var meta: js.UndefOr[Boolean] = js.undefined,
+    var shift: js.UndefOr[Boolean] = js.undefined,
+    var name: js.UndefOr[String] = js.undefined
+) extends js.Object
+
 /**
   * Readline Interface Companion
   */

app/current/src/main/scala/io/scalajs/nodejs/readline/Readline.scala

@@ -1,12 +1,13 @@
 package io.scalajs.nodejs.readline
 
 import io.scalajs.nodejs.events.IEventEmitter
+import io.scalajs.nodejs.stream.{Readable, Writable}
 
 import scala.scalajs.js
 import scala.scalajs.js.annotation.JSImport
 
-/**
-  * Readline allows reading of a stream (such as process.stdin) on a line-by-line basis.
+/**reading
+  * Readline allows  of a stream (such as process.stdin) on a line-by-line basis.
   * To use this module, do require('readline').
   * Note that once you've invoked this module, your Node.js program will not terminate until you've closed the interface.
   * @see https://nodejs.org/api/readline.html
@@ -23,13 +24,13 @@ trait Readline extends IEventEmitter {
     * </ul>
     * @example readline.clearLine(stream, dir)
     */
-  def clearLine(stream: js.Any, dir: Int): Unit = js.native
+  def clearLine(stream: Writable, dir: Int, callback: js.Function = js.native): Boolean = js.native
 
   /**
     * Clears the screen from the current position of the cursor down.
     * @example readline.clearScreenDown(stream)
     */
-  def clearScreenDown(stream: js.Any): Unit = js.native
+  def clearScreenDown(stream: Writable, callback: js.Function = js.native): Boolean = js.native
 
   /**
     * Creates a readline Interface instance.
@@ -41,13 +42,17 @@ trait Readline extends IEventEmitter {
     * Move cursor to the specified position in a given TTY stream.
     * @example readline.cursorTo(stream, x, y)
     */
-  def cursorTo(stream: js.Any, x: Int, y: Int): Unit = js.native
+  def cursorTo(stream: Writable, x: Int, y: Int, callback: js.Function = js.native): Unit = js.native
+  def cursorTo(stream: Writable, x: Int, callback: js.Function): Unit                     = js.native
+  def cursorTo(stream: Writable, x: Int): Unit                                            = js.native
+
+  def emitKeypressEvents(stream: Readable, interface: Interface = js.native): Unit = js.native
 
   /**
     * Move cursor relative to it's current position in a given TTY stream.
     * @example readline.moveCursor(stream, dx, dy)
     */
-  def moveCursor(stream: js.Any, dx: Int, dy: Int): Unit = js.native
+  def moveCursor(stream: Writable, dx: Int, dy: Int, callback: js.Function = js.native): Unit = js.native
 
 }
 

app/current/src/main/scala/io/scalajs/nodejs/readline/ReadlineOptions.scala

@@ -7,9 +7,14 @@ import scala.scalajs.js
 /**
   * Readline Options
   */
-class ReadlineOptions(var input: js.UndefOr[Readable] = js.undefined,
-                      var output: js.UndefOr[Writable] = js.undefined,
-                      var completer: js.UndefOr[js.Function] = js.undefined,
-                      var terminal: js.UndefOr[Boolean] = js.undefined,
-                      var historySize: js.UndefOr[Int] = js.undefined)
-    extends js.Object
+class ReadlineOptions(
+    var input: js.UndefOr[Readable] = js.undefined,
+    var output: js.UndefOr[Writable] = js.undefined,
+    var completer: js.UndefOr[js.Function] = js.undefined,
+    var terminal: js.UndefOr[Boolean] = js.undefined,
+    var historySize: js.UndefOr[Int] = js.undefined,
+    var prompt: js.UndefOr[String] = js.undefined,
+    var crlfDelay: js.UndefOr[Double] = js.undefined,
+    var removeHistoryDuplicates: js.UndefOr[Boolean] = js.undefined,
+    var escapeCodeTimeout: js.UndefOr[Double] = js.undefined
+) extends js.Object