add is_empty

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
    */