svelte/test/validator/samples/event-modifiers-legacy/errors.json

[{
	"message": "The 'once' modifier cannot be used in legacy mode",
	"code": "invalid-event-modifier",
	"start": {
		"line": 1,
		"column": 8
	},
	"end": {
		"line": 1,
		"column": 37
	}
}]