From 2dbd84b8d67bcb9d653dbe8a2883d41b42183641 Mon Sep 17 00:00:00 2001
From: luk <luk@tic.cc>
Date: Sun, 4 Aug 2024 19:05:49 +0800
Subject: [PATCH] add `is_empty`

---
 coretool.js | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/coretool.js b/coretool.js
index 01a5edf..1f0d0ff 100644
--- a/coretool.js
+++ b/coretool.js
@@ -325,12 +325,28 @@ module.exports = {
   // 返回新的数组
   filter_story (story) {
     if (Array.isArray(story)) {
-      return story.filter(section => Object.values(section).some(val => val?.trim?.())) // (section.text || section.image || section.video)?.trim?.()
+      return story.filter(section => Object.values(section || {}).some(val => !this.is_empty(val))) // (section.text || section.image || section.video)?.trim?.()
     } else {
       return []
     }
   },
 
+  is_empty (data) { // empty: undefined, null, false, 0, NaN, '', '空格，tab, \n等', [], {}
+    if (data) {
+      if (typeof (data) === 'string' && data.trim() === '') {
+        return true
+      }
+      if (Array.isArray(data) && data.length === 0) {
+        return true
+      }
+      if (typeof (data) === 'object' && Object.keys(data).length === 0) {
+        return true
+      }
+      return false
+    }
+    return true
+  },
+
   /**
    * 对数组中的对象，按对象的key进行sortType排序
    */