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Relax rule: import/no-absolute-path #861

feross opened this Issue Apr 14, 2017 · 2 comments


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feross commented Apr 14, 2017

I would like to relax the import/no-absolute-path rule which "Forbids import of modules using absolute paths". It's not that I think absolute imports are a good idea, it's just that this rule is incredibly slow!

I opened an issue about it on the eslint-plugin-import repo: benmosher/eslint-plugin-import#803

Almost 25% of linting time is spent in that one rule. Since this isn't actually a very common error (0 repos in our test suite actually failed when this was added, it's no big deal to just remove it, IMO)

Here's the raw output:

TIMING=1 standard                                                                                                                                         master
Rule                         | Time (ms) | Relative
import/no-absolute-path      |    27.906 |    24.3%
indent                       |     7.070 |     6.2%
no-extra-parens              |     4.939 |     4.3%
comma-dangle                 |     4.313 |     3.8%
no-unused-vars               |     3.695 |     3.2%
no-regex-spaces              |     2.834 |     2.5%
space-in-parens              |     2.611 |     2.3%
no-useless-return            |     2.361 |     2.1%
no-unmodified-loop-condition |     2.310 |     2.0%
block-spacing                |     2.126 |     1.9%

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feross commented Apr 14, 2017

Confirmed a noticable (150-200ms) improvement on a real-world repo (webtorrent):


$ rm -rf ~/.standard-cache && time ~/code/standard/bin/cmd.js
2.74s user 0.16s system 123% cpu 2.353 total


$ rm -rf ~/.standard-cache && time ~/code/standard/bin/cmd.js
2.55s user 0.15s system 124% cpu 2.178 total

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feross commented Apr 14, 2017

Released as 10.0.2

@lock lock bot locked as resolved and limited conversation to collaborators May 10, 2018

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