[eslint config] [base] [patch] Loosen prefer-const to not warn when the variable is “read” before being assigned to.

Author: ljharb

packages/eslint-config-airbnb-base/rules/es6.js

@@ -97,7 +97,7 @@ module.exports = {
     // suggest using of const declaration for variables that are never modified after declared
     'prefer-const': [2, {
       'destructuring': 'any',
-      'ignoreReadBeforeAssign': false, // TODO: make true
+      'ignoreReadBeforeAssign': true,
     }],
 
     // suggest using the spread operator instead of .apply()