This would fix: #30, #10, #40, #60
(If you want to take on this issue, ensure you read those issue threads too, for context)

And see #32 for a previous attempt.

This tasks also includes adding support for it in https://github.com/sindresorhus/cpy-cli.

This tasks also requires you to write a lot of tests.

And some inspiration from other tools:

• https://github.com/shelljs/shelljs#cpoptions-source_array-dest
• https://github.com/apexearth/copy
• https://github.com/jprichardson/node-fs-extra/blob/master/docs/copy.md
• https://github.com/mysticatea/cpx
• More: https://npms.io/search?q=copy+files

Question: Should it be recursive by default? Why? Why not? Include reasoning.

Note: This is not an easy issue. It requires you to have good JavaScript and Node.js experience. I expect you to do a good job. Instead of asking to many questions, present solutions. The point of a issue bounty is to give me less work, not more. 🙌