Code-coverage using Node.js' build in functionality that's compatible with Istanbul's reporters.
Like nyc, c8 just magically works:
npm i c8 -g
c8 node foo.jsThe above example will output coverage metrics for foo.js.
run c8 report to regenerate reports after c8 has already been run.
c8 uses
bleeding edge Node.js features,
make sure you're running Node.js >= 10.10.0.