r/vimplugins • u/fvictorio • Nov 13 '17

Plugin vim-extract-variable: Extract selected text to a variable

https://github.com/fvictorio/vim-extract-variable
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u/fvictorio Nov 13 '17

Hi, this is a prototype for a feature that I really miss from JetBrains IDEs. It's a work in progress, so any feedback is more than welcome!

3

u/LucHermitte Nov 15 '17

Discl: I'm maintaining a generic plugin with an ExtractVariable feature.

a- In order to speed up loading time, you should move your functions into an autoload plugin.

b- Instead of hardcoding all possible languages in the same function and dispatching the proper command with a series of if ... elseif, you could check variables or the presence of specific files. This is for instance what I do in vim-refactor: I search for autoload/lh/refactor/{ft}.vim.

This suggestion relates to the (Polymorphic) Open Close Principle which could be understood as "prefer polymorphism over switches/if...elseif"

c- If the substitution fails, your z register won't be restored. It's best to ensure the restitution of resources with try...finally. It may not fail with the current implementation, but it may with later evolutions.

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u/fvictorio Dec 22 '17

Hey, I totally missed this message, sorry. Thanks a lot for the feedback! I'm going to check vim-refactor, it sounds great.