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re: Creating a CLI for your Node.js app using Typescript VIEW POST

FULL DISCUSSION
 

Yargs sadly fails to support the super-common idiom of "subset of allowed values". Setting the "choices" array for an option breaks the "array" functionality: the value is still returned as array, but only contains the first element specified on the command line.

 

I tried to reproduce it. But yargs worked for me. Both app -o a -o b and app -o a b printed o: ['a', 'b']. The first approach also worked with typed-cli. Can you provide with a code sample of what you mean exactly?

 

Turns out it was not choices that was the culprit but requiresArg. It's an embarrasing, long-standing bug in yargs. I made a PR to revert the commit that introduced it.

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