Download package.json command:
npm init
After entering the command and pressing Enter, just press Enter all the time, and there is no need to enter anything during the period.
Download node_modules
npm install
It is found that package-lock.json is downloaded after entering this command . At this point continue to enter the following command:
npm install formidable -S
Wait after pressing Enter, and the download of node_modules is completed at this time.
Right-click and delete the node_modules just downloaded , and enter the following command in the terminal:
npm install
At this time, node_modules is downloaded.
Finish!