Why is gulp-plumber throwing an error even though the codepen works?

Question

JavaScript

I use a script to hide text.
it contains a line that causes the gulp-plumber error
nodes.unshift(...node.childNodes);
Where "nodes" is a variable, the plugin itself swears at dots:

If the script is included in the html body, everything works fine, if run on a codepen, everything works fine.
All code, line 20:
https://codepen.io/maksimlavrenyuk/pen/ebJwXK
Please tell me what could be the problem?

Answer 1

gulpUglify doesn't understand spread operator syntax . Use Babel or rewrite the code without using this operator.