From 726305cfbd872c521adf1e6b54eb9f29235dbd97 Mon Sep 17 00:00:00 2001
From: yuhongda <silverage.y@gmail.com>
Date: Mon, 19 Jun 2023 17:33:39 +0800
Subject: [PATCH] feat: choices support move for multiselect

---
 lib/elements/multiselect.js | 23 +++++++++++++++++++++++
 lib/util/action.js          |  9 +++++++--
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/lib/elements/multiselect.js b/lib/elements/multiselect.js
index 99b393fa..193396cd 100644
--- a/lib/elements/multiselect.js
+++ b/lib/elements/multiselect.js
@@ -119,6 +119,28 @@ class MultiselectPrompt extends Prompt {
     this.render();
   }
 
+  /**
+   * move current item up
+   */
+  moveUp() {
+    if (this.cursor === 0) return this.bell();
+    const choice = this.value.splice(this.cursor, 1)[0];
+    this.value.splice(this.cursor - 1, 0, choice);
+    this.cursor--;
+    this.render();
+  }
+
+  /**
+   * move current item down
+   */
+  moveDown() {
+    if (this.cursor + 1 === this.value.length) return this.bell();
+    const choice = this.value.splice(this.cursor, 1)[0];
+    this.value.splice(this.cursor + 1, 0, choice);
+    this.cursor++;
+    this.render();
+  }
+
   left() {
     this.value[this.cursor].selected = false;
     this.render();
@@ -172,6 +194,7 @@ class MultiselectPrompt extends Prompt {
       return '\nInstructions:\n'
         + `    ${figures.arrowUp}/${figures.arrowDown}: Highlight option\n`
         + `    ${figures.arrowLeft}/${figures.arrowRight}/[space]: Toggle selection\n`
+        + `    [shift]+${figures.arrowUp}/[shift]+${figures.arrowDown}: Move option\n`
         + (this.maxChoices === undefined ? `    a: Toggle all\n` : '')
         + `    enter/return: Complete answer`;
     }
diff --git a/lib/util/action.js b/lib/util/action.js
index fefbd947..7e430208 100644
--- a/lib/util/action.js
+++ b/lib/util/action.js
@@ -2,7 +2,7 @@
 
 module.exports = (key, isSelect) => {
   if (key.meta && key.name !== 'escape') return;
-  
+
   if (key.ctrl) {
     if (key.name === 'a') return 'first';
     if (key.name === 'c') return 'abort';
@@ -10,7 +10,12 @@ module.exports = (key, isSelect) => {
     if (key.name === 'e') return 'last';
     if (key.name === 'g') return 'reset';
   }
-  
+
+  if (key.shift) {
+    if (key.name === 'up') return 'moveUp';
+    if (key.name === 'down') return 'moveDown';
+  }
+
   if (isSelect) {
     if (key.name === 'j') return 'down';
     if (key.name === 'k') return 'up';