feat(rome_js_formatter): Implement the decorator formatting #4608

[denbezrukov]

Summary

Fix #4608

class Class4 {
	method(
		@Decorator
		{ prop1_1, prop1_2 }: Type = {},
		{ prop2_1, prop2_2 }: Type
	) {
		doSomething();
	}
}

class Class {
	method(
		@aVeryLongDecoratorNameLetsSeeWhatHappensWithIt last,
		@d2(foo) y: number
	) {}
}

class Class2 {
	constructor(
		@param test,
		@aVeryLongDecoratorNameLetsSeeWhatHappensWithIt last,
		@d2(foo) y: number
	) {}

	method(
		@aVeryLongDecoratorNameLetsSeeWhatHappensWithIt last,
		@d2(foo) y: number
	) {}
}

class Class3 {
	constructor(
		private aaaaaaaaaaaaaaaaa: {
			aaaaaaaaaaaaa: number;
			bbbbbbbbbbb: string;
			cccccccccccc: Type;
		},
		@d1 private readonly x: number,
		@d2(foo) private y: number,
		@d3("foo") private z: number
	) {}
}

Test Plan

cargo test -p rome_js_formatter

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[github-actions]

Parser conformance results on ubuntu-latest

js/262

Test result	main count	This PR count	Difference
Total	48863	48863	0
Passed	47810	47810	0
Failed	1053	1053	0
Panics	0	0	0
Coverage	97.84%	97.84%	0.00%

jsx/babel

Test result	main count	This PR count	Difference
Total	40	40	0
Passed	37	37	0
Failed	3	3	0
Panics	0	0	0
Coverage	92.50%	92.50%	0.00%

symbols/microsoft

Test result	main count	This PR count	Difference
Total	6212	6212	0
Passed	1764	1764	0
Failed	4448	4448	0
Panics	0	0	0
Coverage	28.40%	28.40%	0.00%

ts/babel

Test result	main count	This PR count	Difference
Total	639	639	0
Passed	573	573	0
Failed	66	66	0
Panics	0	0	0
Coverage	89.67%	89.67%	0.00%

ts/microsoft

Test result	main count	This PR count	Difference
Total	17224	17224	0
Passed	13121	13121	0
Failed	4103	4103	0
Panics	0	0	0
Coverage	76.18%	76.18%	0.00%

[ematipico]

Many users will be happy about this!