Reduce complexity of src/cli/index.js#2887

Merged

arcanis merged 17 commits intoyarnpkg:masterfrom voxsim:reduce-complexity-of-tests-index

Apr 10, 2017

+163-112

Commits on Apr 9, 2017

clarify initial part of src/cli/index.js when we extracting arguments; flags and arguments after --
voxsim
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change test if we do not provide any command name and specify a flag because the previous one was flaky
voxsim
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fix silent error in test when we expect an error from a yarn command
voxsim
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enrich commands with aliases
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simplify if statement: if no command we set install as default
voxsim
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simplify if statement: we always have command with value undefined
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put every logic related to help in help command
voxsim
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use deconstructuring instead of concat and some shift/unshit command
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remove useless invariant on commandName: we are sure that is always defined
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if command is not recognized set default to run; if command is run we set commandName as the first arg for npm_config_argv
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add some tests cases when we do not recognize command
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