# es/no-nullish-coalescing-operators

disallow nullish coalescing operators

  • ✅ The following configurations enable this rule: plugin:es/no-new-in-es2020, plugin:es/restrict-to-es3, plugin:es/restrict-to-es5, plugin:es/restrict-to-es2015, plugin:es/restrict-to-es2016, plugin:es/restrict-to-es2017, plugin:es/restrict-to-es2018, and plugin:es/restrict-to-es2019

This rule reports ES2020 Nullish Coalescing operators (opens new window) as errors.

# Examples

⛔ Examples of incorrect code for this rule:

/*eslint es/no-nullish-coalescing-operators: error */ var x = a ?? b
Now loading...

👌 Examples of correct code for this rule:

/*eslint es/no-nullish-coalescing-operators: error */ var x = a || b var x = a != null ? a : b
Now loading...

# 📚 References