WordPress/wp-includes/blocks/search/block.json

{
	"apiVersion": 2,
	"name": "core/search",
	"title": "Search",
	"category": "widgets",
	"description": "Help visitors find your content.",
	"keywords": [ "find" ],
	"textdomain": "default",
	"attributes": {
		"label": {
			"type": "string",
			"__experimentalRole": "content"
		},
		"showLabel": {
			"type": "boolean",
			"default": true
		},
		"placeholder": {
			"type": "string",
			"default": "",
			"__experimentalRole": "content"
		},
		"width": {
			"type": "number"
		},
		"widthUnit": {
			"type": "string"
		},
		"buttonText": {
			"type": "string",
			"__experimentalRole": "content"
		},
		"buttonPosition": {
			"type": "string",
			"default": "button-outside"
		},
		"buttonUseIcon": {
			"type": "boolean",
			"default": false
		}
	},
	"supports": {
		"align": [ "left", "center", "right" ],
		"__experimentalBorder": {
			"radius": true,
			"__experimentalSkipSerialization": true
		},
		"html": false
	},
	"editorStyle": "wp-block-search-editor",
	"style": "wp-block-search"
}