no-unnecessary-array-flat-depth

📝 Disallow using 1 as the depth argument of Array#flat().

💼 This rule is enabled in the following configs: ✅ recommended, ☑️ unopinionated.

🔧 This rule is automatically fixable by the --fix CLI option.

Passing 1 as the depth argument to Array#flat(depth) is unnecessary.

Examples

// ❌
foo.flat(1);

// ✅
foo.flat();

// ❌
foo?.flat(1);

// ✅
foo?.flat();