---
source: crates/rome_formatter_test/src/snapshot_builder.rs
info: ts/declaration/interface.ts
---

# Input

```ts
interface A {}
interface B extends A /** comment **/ {
    something: string
}


interface C<Foo, Bar, Loreum, Ipsum, ItShouldBeLongEnoughToCoverSomeEdgeCases, But, Maybe, Not> extends B {
    something: string
}

// @ts-ignore
interface D extends B<string, symbol>, F<string, symbol>, G<string, number, symbol>, H<string, number, symbol> {
    something1: string,
    something2: string,
    something3: string,
    something4: string,
    something5: string,
}
// @ts-ignore
interface D extends B<string, symbol>, F<string, symbol> {

}

interface Wrong {
	aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;
	ppppppp: ppppppp
}

f(() => {
	interface Wrong {
		aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;
		ppppppp: ppppppp
	}
});

x.y(() => {
	interface Wrong {
		a: {
			b: string;
		};
		p: {
			q: string;
		};
	}
});

```


=============================

# Outputs

## Output 1

-----
Indent style: Tab
Line width: 80
Quote style: Double Quotes
Quote properties: As needed
Trailing comma: All
Semicolons: Always
-----

```ts
interface A {}
interface B extends A /** comment **/ {
	something: string;
}

interface C<
	Foo,
	Bar,
	Loreum,
	Ipsum,
	ItShouldBeLongEnoughToCoverSomeEdgeCases,
	But,
	Maybe,
	Not,
> extends B {
	something: string;
}

// @ts-ignore
interface D
	extends B<string, symbol>,
		F<string, symbol>,
		G<string, number, symbol>,
		H<string, number, symbol> {
	something1: string;
	something2: string;
	something3: string;
	something4: string;
	something5: string;
}
// @ts-ignore
interface D extends B<string, symbol>, F<string, symbol> {}

interface Wrong {
	aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;
	ppppppp: ppppppp;
}

f(() => {
	interface Wrong {
		aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;
		ppppppp: ppppppp;
	}
});

x.y(() => {
	interface Wrong {
		a: {
			b: string;
		};
		p: {
			q: string;
		};
	}
});
```