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{
"lexicon": 1,
"id": "ing.dasl.masl",
"description": "Lexicon for DASL (https://dasl.ing/) types used on AT, notably for Web Tiles. From the appendix of https://dasl.ing/tiles.html.",
"defs": {
"masl": {
"type": "object",
"description": "MASL metadata as defined in https://dasl.ing/masl.html",
"required": ["name", "resources"],
"properties": {
"name": { "type": "string", "description": "The name for the tile, can be a title or app name", "maxLength": 1000, "maxGraphemes": 100 },
"description": { "type": "string", "description": "Short overview of the content", "maxLength": 3000, "maxGraphemes": 300 },
"categories": { "type": "array", "description": "Tags categorising the tile", "items": { "type": "string" } },
"background_color": { "type": "string", "description": "A colour for the background of the tile" },
"icons": {
"type": "array",
"description": "Icons for the tile; each src has to be in resources",
"items": { "type": "object", "required": ["src"], "properties": { "src": { "type": "string" }, "sizes": { "type": "string" }, "purpose": { "type": "string" } } }
},
"screenshots": {
"type": "array",
"description": "Screenshots, can be used for banner or card images",
"items": { "type": "object", "required": ["src"], "properties": { "src": { "type": "string" }, "sizes": { "type": "string" }, "label": { "type": "string" } } }
},
"sizing": {
"type": "object",
"description": "Requesting sizing properties for the content",
"required": ["width", "height"],
"properties": { "width": { "type": "integer", "minimum": 1 }, "height": { "type": "integer", "minimum": 1 } }
},
"resources": { "type": "unknown", "description": "A mapping of path to object with a blob src and HTTP headers" },
"short_name": { "type": "string", "description": "A name, in case the basic name cannot fit" },
"theme_color": { "type": "string", "description": "Theme colour" },
"prev": { "type": "cid-link", "description": "In case there are multiple versions of this tile, this is the CID of the previous one" },
"version": { "type": "integer", "description": "The CAR version — avoid using this", "const": 1 },
"roots": { "type": "array", "description": "The CAR roots — avoid using this", "items": { "type": "cid-link" } }
}
},
"main": {
"type": "record",
"description": "A tile, instantiating MASL metadata into a record",
"key": "tid",
"record": {
"type": "object",
"required": ["cid", "tile", "createdAt"],
"properties": {
"cid": { "type": "string", "description": "The DRISL CID of the MASL for the tile", "format": "cid" },
"tile": { "type": "ref", "description": "The MASL content", "ref": "ing.dasl.masl#masl" },
"createdAt": { "type": "string", "description": "Timestamp", "format": "datetime" }
}
}
}
}
}
