fix(dev): respect NO_COLOR for colored status output#365
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Disable ANSI colors in the dev format when NO_COLOR is set, matching https://no-color.org/. Documents the behavior and adds a regression test. Closes expressjs#302
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Summary
devformat whenNO_COLORis set (https://no-color.org/)NO_COLOR=1Closes #302
Test plan
npm test(Node 20): 89 passingmorgan('dev')still colors status codes whenNO_COLORis unsetmorgan('dev')emits no ANSI sequences whenNO_COLOR=1