no-array-constructor
Disallow generic
Arrayconstructors.
✅
Extending"plugin:@typescript-eslint/recommended" in anESLint configuration enables this rule.
🔧
Some problems reported by this rule are automatically fixable by the--fix ESLint command line option.
🧱
This is an "extension" rule that replaces a core ESLint rule to work with TypeScript. SeeRules > Extension Rules.
This rule extends the baseno-array-constructor rule from ESLint core. It adds support for the generically typedArray constructor (new Array<Foo>()).
- ❌ Incorrect
- ✅ Correct
Array(0,1,2);
newArray(0,1,2);
Array<number>(0,1,2);
newArray<Foo>(x, y, z);
Array(500);
newArray(someOtherArray.length);
Options
Seeeslint/no-array-constructor's options.
How to Use
- Flat Config
- Legacy Config
eslint.config.mjs
exportdefault tseslint.config({
rules:{
// Note: you must disable the base rule as it can report incorrect errors
"no-array-constructor":"off",
"@typescript-eslint/no-array-constructor":"error"
}
});
.eslintrc.cjs
module.exports={
"rules":{
// Note: you must disable the base rule as it can report incorrect errors
"no-array-constructor":"off",
"@typescript-eslint/no-array-constructor":"error"
}
};
Try this rule in the playground ↗