feat(rules): no-extra-parens

[PatNeedham]

When my .eslintrc file is this:

{
  "extends": "amex"
}

The following code does not trigger any warnings / errors:

      if (!(((((child.data)))))) {
        return child.children.map((c) => c.data);
      }

However including that extra rule directly via

{
  "extends": "amex",
  "rules": {
    "no-extra-parens": "error"
  }
}

makes the error appear:

[PatNeedham]

I hate being that guy telling folks "you have too many sets of parentheses here". Much better for the linter to do that.

[nellyk]

@PatNeedham i recently merged another pull request which created a conflict on this, could you please resolve the conflict

[nellyk]

Thank you @PatNeedham 🙌

[oneamexbot]

🎉 This PR is included in version 11.2.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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