files.forEach((file) => { TypeError: 无法读取未定义的属性（读取 'forEach'）

Question

I already search solutions for this problem but all I can find is "missing semi colon" which is obviously not my problem... Here are the code and its error

Node.JS MongoDB File-Upload

Can anyone help me?

I already search solutions for this problem but all I can find is "missing semi colon" which is obviously not my problem

Answer 1

Use fs.readdirSync in line 41 instead.

Answer 2

Based on the error log you provided, the files Is not defined. Add a guard clause at line 47 to check field exist before running the code

if (files && files.length >0){

//original line 47-52
}