Fix --dev deprecation message #1575
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Summary
When using
--devoption withnpm install, the command prints this deprecation message:The
--onlyoption was added within npm/npm#9024 and with--only=dev, onlydevDependenciesare installed. This PR also introduced the--alsooption which can install bothdependenciesanddevDependencies. I have checked thatnpm install --devinstalls bothdependenciesanddevDependencies(see https://github.com/npm/cli/blob/latest/lib/install.js#L233), so I think that the correct message should be:I have added the deprecation message also to
npm ci --dev. If this PR is approved I will add the--alsooption to npm install documentation.References