appBskyEmbedImages top-level constant

Map<String, dynamic> const appBskyEmbedImages

app.bsky.embed.images

Implementation

const appBskyEmbedImages = <String, dynamic>{
  "lexicon": 1,
  "id": "app.bsky.embed.images",
  "description": "A set of images embedded in a Bluesky record (eg, a post).",
  "defs": {
    "main": {
      "type": "object",
      "required": ["images"],
      "properties": {
        "images": {
          "type": "array",
          "items": {"type": "ref", "ref": "#image"},
          "maxLength": 4
        }
      }
    },
    "image": {
      "type": "object",
      "required": ["image", "alt"],
      "properties": {
        "image": {
          "type": "blob",
          "accept": ["image/*"],
          "maxSize": 1000000
        },
        "alt": {
          "type": "string",
          "description": "Alt text description of the image, for accessibility."
        },
        "aspectRatio": {"type": "ref", "ref": "#aspectRatio"}
      }
    },
    "aspectRatio": {
      "type": "object",
      "description":
          "width:height represents an aspect ratio. It may be approximate, and may not correspond to absolute dimensions in any given unit.",
      "required": ["width", "height"],
      "properties": {
        "width": {"type": "integer", "minimum": 1},
        "height": {"type": "integer", "minimum": 1}
      }
    },
    "view": {
      "type": "object",
      "required": ["images"],
      "properties": {
        "images": {
          "type": "array",
          "items": {"type": "ref", "ref": "#viewImage"},
          "maxLength": 4
        }
      }
    },
    "viewImage": {
      "type": "object",
      "required": ["thumb", "fullsize", "alt"],
      "properties": {
        "thumb": {
          "type": "string",
          "format": "uri",
          "description":
              "Fully-qualified URL where a thumbnail of the image can be fetched. For example, CDN location provided by the App View."
        },
        "fullsize": {
          "type": "string",
          "format": "uri",
          "description":
              "Fully-qualified URL where a large version of the image can be fetched. May or may not be the exact original blob. For example, CDN location provided by the App View."
        },
        "alt": {
          "type": "string",
          "description": "Alt text description of the image, for accessibility."
        },
        "aspectRatio": {"type": "ref", "ref": "#aspectRatio"}
      }
    }
  }
};