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[guide] Added documentation for arrow function parens with one arg

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Added explanation for using parentheses with explicit returns and alternatives with the eslint "always" option.
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Eric Martin
2017-02-02 19:13:13 -05:00
committed by Jordan Harband
parent 9375fb59b3
commit 4d024be5a4
1 changed files with 1 additions and 1 deletions
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@@ -925,7 +925,7 @@ Other Style Guides
```
<a name="arrows--one-arg-parens"></a><a name="8.4"></a>
- [8.4](#arrows--one-arg-parens) If your function takes a single argument and doesn’t use braces, omit the parentheses. Otherwise, always include parentheses around arguments. eslint: [`arrow-parens`](http://eslint.org/docs/rules/arrow-parens.html) jscs: [`disallowParenthesesAroundArrowParam`](http://jscs.info/rule/disallowParenthesesAroundArrowParam)
- [8.4](#arrows--one-arg-parens) If your function takes a single argument and doesn’t use braces, omit the parentheses. Otherwise, always include parentheses around arguments for clarity and consistency. Note: it is also acceptable to always use parentheses, in which case use the ["always" option](http://eslint.org/docs/rules/arrow-parens#always) for eslint or do not include [`disallowParenthesesAroundArrowParam`](http://jscs.info/rule/disallowParenthesesAroundArrowParam) for jscs. eslint: [`arrow-parens`](http://eslint.org/docs/rules/arrow-parens.html) jscs: [`disallowParenthesesAroundArrowParam`](http://jscs.info/rule/disallowParenthesesAroundArrowParam)
> Why? Less visual clutter.