provide commonjs build

[image72]

Example Code

node -r node-fetch -i

Expected behavior, if applicable

please provide strict commonjs build, esmodules or webpack alternative cannot used everywhere.

Your Environment

software	version
node-fetch	node-fetch@3.0.0-beta.10
node	v14.17.3
npm	6.14.13
Operating System	macOS-11.4

Additional context/Screenshots
test in repl

Add any other context about the problem here. If applicable, add screenshots to help explain.

[Richienb]

Duplicate of #1226