Contents

prefer_if_null_operators

Contents

Prefer using ?? operators.

This rule is available as of Dart 2.4.

Rule sets: recommended, flutter

This rule has a quick fix available.

Details

#

PREFER using ?? operators instead of null checks and conditional expressions.

BAD:

dart
v = a == null ? b : a;

GOOD:

dart
v = a ?? b;

Usage

#

To enable the prefer_if_null_operators rule, add prefer_if_null_operators under linter > rules in your analysis_options.yaml file:

analysis_options.yaml
yaml
linter:
  rules:
    - prefer_if_null_operators