name: (name : string)=>string;
}

type Foo = ()=>{};
```

### overrides - arrow

```json
{
  "before": false,
  "after": false,
  "overrides": { "arrow": { "before": true, "after": true } }
}
```

<!--tabs-->

#### ❌ Incorrect

<!-- prettier-ignore -->
```ts option='{"before":false,"after":false,"overrides":{"arrow":{"before":true,"after":true}}}'
let foo: string = "bar";
let foo : string = "bar";
let foo :string = "bar";

function foo(): string {}
function foo():string {}
function foo() :string {}

class Foo {
    name: string;
}

class Foo {
    name : string;
}

class Foo {
    name :string;
}

type Foo = ()=>{};
type Foo = () =>{};
type Foo = ()=> {};
```

#### ✅ Correct

<!-- prettier-ignore -->
```ts option='{"before":false,"after":false,"overrides":{"arrow":{"before":true,"after":true}}}'
let foo:string = "bar";

function foo():string {}

class Foo {
    name:string;
}

type Foo = () => {};
```

## When Not To Use It

If you don't want to enforce spacing for your type annotations, you can safely turn this rule off.

## Further Reading

- [TypeScript Type System](https://basarat.gitbooks.io/typescript/docs/types/type-system.html)
- [Type Inference](https://www.typescriptlang.org/docs/handbook/type-inference.html)