New rules

• no-empty-file (#1506) a2ba25e
• prefer-export-from (#1453) ff43745

Improvements

• Ignore Ramda methods in rules (#1557) 5f3bad5
• no-array-callback-reference: Only ignore Boolean in reasonable places (#1570) 46f8638
• require-array-join-separator: Check optional member (#1569) 15f9028

v37.0.1...v38.0.0