Commits on Aug 22, 2018

1. feat(rules): omit arrow function parens unless they are necessary …

   Remove `requireForBlockBody` option of `arrow-parens` rule.
   
   BREAKING CHANGE: previously, only arrow functions consisting of a single
   expression were allowed to omit parentheses around the parameter list
   (and required to, if there's only one parameter in the list).  After
   this change, the parens are only allowed when they are required
   syntactically.
   
   Before:
   
   ```js
   const f = x => x;
   
   const g = (x, y) => x + y;
   
   const h = (x) => {
     console.log(x);
   };
   
   const i = (x, f) => {
     f(x);
   };
   ```
   
   After:
   
   ```js
   // Not affected
   const f = x => x;
   
   // Not affected
   const g = (x, y) => x + y;
   
   // AFFECTED
   const h = x => {
     console.log(x);
   };
   
   // Not affected
   const i = (x, f) => {
     f(x);
   };
   ```
   
   This rule is fixable via `eslint --fix`.
   
   Refs: metarhia/Metarhia#22

   

   aqrln committed Aug 22, 2018
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