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feat(command): builder function no longer needs to return the yargs instance - #549
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| it('does not require builder function to return', function () { | ||
| var argv = yargs('yo') | ||
| .command('yo [someone]', 'Send someone a yo', function (yargs) { |
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how is yo app doing, have they raised a 1 billion $$$ series B yet?
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Is the solution this simple, I could have sworn I thought of an edge-case that would bite us and forced the |
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…ssed into command handler` test
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Fixes #522.
I'm not quite sure about the intentions of what should be allowed to be returned by the builder function. Returning theyargsinstance or nothing should now work, but I wonder if we ever intended to allow it to return something likeyargs.argv? If so, I think we will need a new issue for that.Otherwise, this PR seems to work fine, but it could possibly result in unexpected behavior in user CLIs if they were previously not returning the
yargsinstance, either by mistake or not. For that reason, this change may be better suited for 5.x.Note that I skipped the
populates argv with placeholder keys when passed into command handlerunit test because this change breaks it and it no longer seems to be valid (options must now be markedglobal: truein order to apply to the argv of a command handler, be it a placeholder or populated value). We should either remove it (if everyone agrees the test is no longer valid), or fix it by usingglobal: true(which is tested elsewhere).UPDATE: With commit 739a4f4, a builder function can also call
yargs.argv, with or without returning. I think this is a good idea b/c I've seen a few folks try to do this and it makes the API much less rigid. 😎