From 93fc44f4991caf7f3405726110eac05e0753cf1a Mon Sep 17 00:00:00 2001
From: Dave Kerr <dwmkerr@gmail.com>
Date: Tue, 18 Feb 2025 12:25:15 +0000
Subject: [PATCH] rfc: multiline input

---
 packages/core/src/lib/key.ts |  1 +
 packages/input/src/index.ts  | 10 +++++++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/core/src/lib/key.ts b/packages/core/src/lib/key.ts
index 430bf5550f..1243f34e4b 100644
--- a/packages/core/src/lib/key.ts
+++ b/packages/core/src/lib/key.ts
@@ -1,6 +1,7 @@
 export type KeypressEvent = {
   name: string;
   ctrl: boolean;
+  shift: boolean;
 };
 
 export const isUpKey = (key: KeypressEvent): boolean =>
diff --git a/packages/input/src/index.ts b/packages/input/src/index.ts
index a39d1a1649..ab52920889 100644
--- a/packages/input/src/index.ts
+++ b/packages/input/src/index.ts
@@ -26,6 +26,7 @@ type InputConfig = {
   transformer?: (value: string, { isFinal }: { isFinal: boolean }) => string;
   validate?: (value: string) => boolean | string | Promise<string | boolean>;
   theme?: PartialDeep<Theme<InputTheme>>;
+  multiline?: boolean;
 };
 
 export default createPrompt<string, InputConfig>((config, done) => {
@@ -44,8 +45,8 @@ export default createPrompt<string, InputConfig>((config, done) => {
       return;
     }
 
-    if (isEnterKey(key)) {
-      const answer = value || defaultValue;
+    if (isEnterKey(key) && !key.shift) {
+      const answer = value.replaceAll('\r', '\n') || defaultValue;
       setStatus('loading');
 
       const isValid =
@@ -65,6 +66,9 @@ export default createPrompt<string, InputConfig>((config, done) => {
         setError(isValid || 'You must provide a valid value');
         setStatus('idle');
       }
+    } else if (isEnterKey(key) && key.shift && config.multiline) {
+      setValue(value + '\r');
+      rl.write('\r');
     } else if (isBackspaceKey(key) && !value) {
       setDefaultValue(undefined);
     } else if (key.name === 'tab' && !value) {
@@ -79,7 +83,7 @@ export default createPrompt<string, InputConfig>((config, done) => {
   });
 
   const message = theme.style.message(config.message, status);
-  let formattedValue = value;
+  let formattedValue = value.replaceAll('\r', '\n');
   if (typeof config.transformer === 'function') {
     formattedValue = config.transformer(value, { isFinal: status === 'done' });
   } else if (status === 'done') {