From 4bcc4a732b01ebb6d3f6933770f8123f8c55810d Mon Sep 17 00:00:00 2001
From: Luk <luk@faronear.org>
Date: Wed, 1 May 2024 13:31:41 +0800
Subject: [PATCH] add `shrink_story` to remove empty (including \s chars)
 sections

---
 coretool.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/coretool.js b/coretool.js
index da18f55..9bab6d7 100644
--- a/coretool.js
+++ b/coretool.js
@@ -338,4 +338,14 @@ module.exports = {
     else // undefined, NaN, Infinity, {}
       return 0
   },
+
+  shrink_story (story) {
+    if (Array.isArray(story)) {
+      story = story.filter(section => Object.values(section).some(val => val?.trim?.())) // (section.text || section.image || section.video)?.trim?.()
+      return story
+    } else {
+      story = []
+      return story
+    }
+  }
 }