From 141ff986a4fc92efa2ef5ebce179faca6880aeda Mon Sep 17 00:00:00 2001
From: Jeremy Albright <1935258+Js-Brecht@users.noreply.github.com>
Date: Mon, 9 Dec 2019 11:42:48 -0900
Subject: [PATCH] [node/readline] expose line/cursor properties + tests
 (#40513)

The current "line" and "cursor" states are often necessary when developing applications that use readline for prompts.

See https://github.com/nodejs/node/issues/30347
---
 types/node/readline.d.ts     |  7 +++++++
 types/node/test/readline.ts  | 11 +++++++++++
 types/node/v10/readline.d.ts |  7 +++++++
 3 files changed, 25 insertions(+)

diff --git a/types/node/readline.d.ts b/types/node/readline.d.ts
index 6cb572e313..861606986f 100644
--- a/types/node/readline.d.ts
+++ b/types/node/readline.d.ts
@@ -13,6 +13,13 @@ declare module "readline" {
     class Interface extends events.EventEmitter {
         readonly terminal: boolean;
 
+        // Need direct access to line/cursor data, for use in external processes
+        // see: https://github.com/nodejs/node/issues/30347
+        /** The current input data */
+        readonly line: string;
+        /** The current cursor position in the input line */
+        readonly cursor: number;
+
         /**
          * NOTE: According to the documentation:
          *
diff --git a/types/node/test/readline.ts b/types/node/test/readline.ts
index 36884df6f3..664b6b7de2 100644
--- a/types/node/test/readline.ts
+++ b/types/node/test/readline.ts
@@ -71,6 +71,17 @@ const rl: readline.ReadLine = readline.createInterface(new stream.Readable());
     rl.write('asd', key);
 }
 
+{
+    const data: string | Buffer = "test";
+    rl.line; // $ExpectType string
+    rl.cursor; // $ExpectType number
+
+    rl.write(data);
+
+    rl.line; // $ExpectType string
+    rl.cursor; // $ExpectType number
+}
+
 {
     const strm: NodeJS.WritableStream = new stream.Writable();
     const x = 1;
diff --git a/types/node/v10/readline.d.ts b/types/node/v10/readline.d.ts
index 9c25da4982..102532830e 100644
--- a/types/node/v10/readline.d.ts
+++ b/types/node/v10/readline.d.ts
@@ -13,6 +13,13 @@ declare module "readline" {
     class Interface extends events.EventEmitter {
         readonly terminal: boolean;
 
+        // Need direct access to line/cursor data, for use in external processes
+        // see: https://github.com/nodejs/node/issues/30347
+        /** The current input data */
+        readonly line: string;
+        /** The current cursor position in the input line */
+        readonly cursor: number;
+
         /**
          * NOTE: According to the documentation:
          *