{
  "version": 3,
  "sources": ["../../src/records/TLPage.ts"],
  "sourcesContent": ["import {\n\tBaseRecord,\n\tcreateMigrationIds,\n\tcreateRecordMigrationSequence,\n\tcreateRecordType,\n\tRecordId,\n} from '@tldraw/store'\nimport { IndexKey, JsonObject } from '@tldraw/utils'\nimport { T } from '@tldraw/validate'\nimport { idValidator } from '../misc/id-validator'\n\n/**\n * A page within a tldraw document. Pages are containers for shapes and provide\n * a way to organize content into separate canvases. Each document can have multiple\n * pages, and users can navigate between them.\n *\n * Pages have a name for identification, an index for ordering, and can store\n * custom metadata.\n *\n * @example\n * ```ts\n * const page: TLPage = {\n *   id: 'page:page1',\n *   typeName: 'page',\n *   name: 'Page 1',\n *   index: 'a1',\n *   meta: { description: 'Main design page' }\n * }\n * ```\n *\n * @public\n */\nexport interface TLPage extends BaseRecord<'page', TLPageId> {\n\tname: string\n\tindex: IndexKey\n\tmeta: JsonObject\n}\n\n/**\n * A unique identifier for TLPage records.\n *\n * Page IDs follow the format 'page:' followed by a unique string identifier.\n *\n * @example\n * ```ts\n * const pageId: TLPageId = 'page:main'\n * const pageId2: TLPageId = createShapeId() // generates 'page:abc123'\n * ```\n *\n * @public\n */\nexport type TLPageId = RecordId<TLPage>\n\n/**\n * Validator for TLPageId values. Ensures the ID follows the correct\n * format for page records ('page:' prefix).\n *\n * @example\n * ```ts\n * const isValid = pageIdValidator.isValid('page:main') // true\n * const isValid2 = pageIdValidator.isValid('shape:abc') // false\n * ```\n *\n * @public\n */\nexport const pageIdValidator = idValidator<TLPageId>('page')\n\n/**\n * Runtime validator for TLPage records. Validates the structure and types\n * of all page properties to ensure data integrity.\n *\n * @example\n * ```ts\n * const page = { id: 'page:1', typeName: 'page', name: 'My Page', index: 'a1', meta: {} }\n * const isValid = pageValidator.isValid(page) // true\n * ```\n *\n * @public\n */\nexport const pageValidator: T.Validator<TLPage> = T.model(\n\t'page',\n\tT.object({\n\t\ttypeName: T.literal('page'),\n\t\tid: pageIdValidator,\n\t\tname: T.string,\n\t\tindex: T.indexKey,\n\t\tmeta: T.jsonValue as T.ObjectValidator<JsonObject>,\n\t})\n)\n\n/**\n * Migration version identifiers for TLPage records. Each version represents\n * a schema change that requires data transformation when loading older documents.\n *\n * @public\n */\nexport const pageVersions = createMigrationIds('com.tldraw.page', {\n\tAddMeta: 1,\n})\n\n/**\n * Migration sequence for TLPage records. Defines how to transform page\n * records between different schema versions, ensuring data compatibility.\n *\n * @example\n * ```ts\n * // Migrations are applied automatically when loading documents\n * const migratedPage = pageMigrations.migrate(oldPage, targetVersion)\n * ```\n *\n * @public\n */\nexport const pageMigrations = createRecordMigrationSequence({\n\tsequenceId: 'com.tldraw.page',\n\trecordType: 'page',\n\tsequence: [\n\t\t{\n\t\t\tid: pageVersions.AddMeta,\n\t\t\tup: (record: any) => {\n\t\t\t\trecord.meta = {}\n\t\t\t},\n\t\t},\n\t],\n})\n\n/**\n * The RecordType definition for TLPage records. Defines validation, scope,\n * and default properties for page records in the tldraw store.\n *\n * Pages are scoped to the document level, meaning they persist across sessions\n * and are shared in collaborative environments.\n *\n * @example\n * ```ts\n * const page = PageRecordType.create({\n *   id: 'page:main',\n *   name: 'Main Page',\n *   index: 'a1'\n * })\n * ```\n *\n * @public\n */\nexport const PageRecordType = createRecordType<TLPage>('page', {\n\tvalidator: pageValidator,\n\tscope: 'document',\n}).withDefaultProperties(() => ({\n\tmeta: {},\n}))\n\n/**\n * Type guard to check if a string is a valid TLPageId.\n *\n * @param id - The string to check\n * @returns True if the ID is a valid page ID, false otherwise\n *\n * @example\n * ```ts\n * if (isPageId('page:main')) {\n *   // TypeScript knows this is a TLPageId\n *   console.log('Valid page ID')\n * }\n * ```\n *\n * @public\n */\nexport function isPageId(id: string): id is TLPageId {\n\treturn PageRecordType.isId(id)\n}\n"],
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