---
source: crates/rome_formatter_test/src/snapshot_builder.rs
info:
  test_file: js/module/string/string.js
---

# Input

```js
import hey from "hey"
import hey from "hey";
import "x" assert { type: "json" }
import "foo" assert { "type": "json" };
import foo from "foo.json" assert { type: "json" };
import foo from "foo.json" assert {

    type:
        "json" };
import foo2 from "foo.json" assert { "type": "json", type: "html", "type": "js" };
import a, * as b from "foo"

const foo = {};

foo["bar"] = true;
foo["foo-bar"] = true;
foo.bar["bar"]["lorem_ispsum"].foo["lorem-ipsum"] = true;

a[ b ]
c?.[ d ]

let a = { // leading comment
  "type": "bar"
  // trailing comment
}

class Foo extends Boar {
	static { // some comment
		this.a = "test";
	}

	method() {
		return "ipsum";
	}

	static staticMethod() {
		return "bar"
	}
}

export * from "hey"

export * as something_bad_will_happen from "something_bad_might_not_happen"

export * as something_bad_will_happen from "something_bad_might_not_happen" assert { "type": "json", "type2": "json3"}


// this one should switch to use single quotes
("content '' \"\"\" ");

// this one should switch to use double quotes
('content \'\' " ');

// you should keep all the character as they are
("content \\' \\' ");

// you should remove the escape
("content \'\' ")
```


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

# Outputs

## Output 1

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

```js
import hey from "hey";
import hey from "hey";
import "x" assert { type: "json" };
import "foo" assert { "type": "json" };
import foo from "foo.json" assert { type: "json" };
import foo from "foo.json" assert { type: "json" };
import foo2 from "foo.json" assert {
	"type": "json",
	type: "html",
	"type": "js",
};
import a, * as b from "foo";

const foo = {};

foo["bar"] = true;
foo["foo-bar"] = true;
foo.bar["bar"]["lorem_ispsum"].foo["lorem-ipsum"] = true;

a[b];
c?.[d];

let a = {
	// leading comment
	type: "bar",
	// trailing comment
};

class Foo extends Boar {
	static {
		// some comment
		this.a = "test";
	}

	method() {
		return "ipsum";
	}

	static staticMethod() {
		return "bar";
	}
}

export * from "hey";

export * as something_bad_will_happen from "something_bad_might_not_happen";

export * as something_bad_will_happen from "something_bad_might_not_happen" assert {
	"type": "json",
	"type2": "json3",
};

// this one should switch to use single quotes
('content \'\' """ ');

// this one should switch to use double quotes
("content '' \" ");

// you should keep all the character as they are
("content \\' \\' ");

// you should remove the escape
("content '' ");
```

# Lines exceeding max width of 80 characters
```
   48: export * as something_bad_will_happen from "something_bad_might_not_happen" assert {
```

## Output 2

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

```js
import hey from 'hey';
import hey from 'hey';
import 'x' assert { type: 'json' };
import 'foo' assert { 'type': 'json' };
import foo from 'foo.json' assert { type: 'json' };
import foo from 'foo.json' assert { type: 'json' };
import foo2 from 'foo.json' assert {
	'type': 'json',
	type: "html",
	"type": "js",
};
import a, * as b from 'foo';

const foo = {};

foo['bar'] = true;
foo['foo-bar'] = true;
foo.bar['bar']['lorem_ispsum'].foo['lorem-ipsum'] = true;

a[b];
c?.[d];

let a = {
	// leading comment
	type: 'bar',
	// trailing comment
};

class Foo extends Boar {
	static {
		// some comment
		this.a = 'test';
	}

	method() {
		return 'ipsum';
	}

	static staticMethod() {
		return 'bar';
	}
}

export * from 'hey';

export * as something_bad_will_happen from 'something_bad_might_not_happen';

export * as something_bad_will_happen from 'something_bad_might_not_happen' assert {
	'type': 'json',
	'type2': 'json3',
};

// this one should switch to use single quotes
('content \'\' """ ');

// this one should switch to use double quotes
("content '' \" ");

// you should keep all the character as they are
("content \\' \\' ");

// you should remove the escape
("content '' ");
```

# Lines exceeding max width of 80 characters
```
   48: export * as something_bad_will_happen from 'something_bad_might_not_happen' assert {
```

## Output 3

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

```js
import hey from "hey";
import hey from "hey";
import "x" assert { type: "json" };
import "foo" assert { "type": "json" };
import foo from "foo.json" assert { type: "json" };
import foo from "foo.json" assert { type: "json" };
import foo2 from "foo.json" assert {
	"type": "json",
	type: "html",
	"type": "js",
};
import a, * as b from "foo";

const foo = {};

foo["bar"] = true;
foo["foo-bar"] = true;
foo.bar["bar"]["lorem_ispsum"].foo["lorem-ipsum"] = true;

a[b];
c?.[d];

let a = {
	// leading comment
	"type": "bar",
	// trailing comment
};

class Foo extends Boar {
	static {
		// some comment
		this.a = "test";
	}

	method() {
		return "ipsum";
	}

	static staticMethod() {
		return "bar";
	}
}

export * from "hey";

export * as something_bad_will_happen from "something_bad_might_not_happen";

export * as something_bad_will_happen from "something_bad_might_not_happen" assert {
	"type": "json",
	"type2": "json3",
};

// this one should switch to use single quotes
('content \'\' """ ');

// this one should switch to use double quotes
("content '' \" ");

// you should keep all the character as they are
("content \\' \\' ");

// you should remove the escape
("content '' ");
```

# Lines exceeding max width of 80 characters
```
   48: export * as something_bad_will_happen from "something_bad_might_not_happen" assert {
```