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Implement keymapping helpers #222

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Implement keymapping helpers #222

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dbarnett
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Implements maktaba helpers for programmatically managing vim key mappings (as in the :map command) in maktaba#keymapping# and maktaba#keymappingspec#.

Usage examples:

call maktaba#keymapping#Map(',=b', ':FormatCode<CR>', 'n')
call maktaba#keymappingspec#Spec(',=b', ':FormatCode<CR>', 'n')
    \.WithArgs(['<silent>', <buffer>']).Map()

See keymapping.vroom and :help maktaba.KeyMapping for details.

Resolves #221.

@dbarnett dbarnett requested a review from malcolmr March 23, 2020 19:37
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malcolmr approved these changes May 15, 2020
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LGTM. Sorry for the long delay!

autoload/maktaba/keymappingspec.vim
" does one thing immediately and then a different follow-up behavior on another
" keystroke.
"
" For example, this defines a mapping that immediately unfolds one level but
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I'm really surprised that this works, but we have tests, so sgtm!

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Yeah, actually it looks like I had a typo in the args there I just fixed.

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dbarnett commented Nov 8, 2020

I'd held off on merging this PR for a while because

  1. The "full" implementation was surprisingly complex (vs. the simpler hack I originally found https://github.com/dbarnett/dotfiles/blob/8c9dc859db/.vimrc#L310) and I was hoping to find ways to reduce the scope a bit, and
  2. I'd seen a few quirks in the meantime while trying it out that I was hoping to troubleshoot further.

I'm still looking into those, but went ahead and submitted some fixes and resolved review comments while I'm looking at it.

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Implement #mapping#MapUntilTimeout

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