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tools: enable whitespace related rules in eslint #1971

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tools: enable whitespace related rules in eslint #1971

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silverwind
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This enforces the following rules in eslint:

  • no trailing whitespace
  • require newline at end of files
  • maximum of two consecutive empty lines

I initally wanted to enforce a single newline at the end of files, but it seems there's no fitting rule for that yet, so ending a file in \n\n is not an error right now, unfortunately.

cc: @yosuke-furukawa

@mscdex mscdex added the meta Issues and PRs related to the general management of the project. label Jun 13, 2015
@silverwind
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Note this only warns on whitespace issues. We could go one step further with an .editorconfig to enable auto-fixing of the final newline and trimming of lines. It'd be another dotfile in the tree though.

@bnoordhuis
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LGTM

silverwind added a commit that referenced this pull request Jun 15, 2015
@silverwind
lib,test: fix whitespace issues
fb8811d 
PR-URL: #1971
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
silverwind added a commit that referenced this pull request Jun 15, 2015
@silverwind
tools: enable whitespace related rules in eslint
3777f41 
Enables rules for trailing whitespace, final newline and maximum
consecutive empty lines.

PR-URL: #1971
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
@silverwind
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Landed in fb8811d .. 3777f41

@silverwind silverwind closed this Jun 15, 2015
@rvagg rvagg mentioned this pull request Jun 16, 2015
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@silverwind @bnoordhuis @Fishrock123 @mscdex