snapshot of https://github.com/toeverything/AFFiNE.git (canary, 2026-09-16; blobs > 131072B omitted)

blocksuite/docs/api/@blocksuite/store/classes/Schema.md

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+[**BlockSuite API Documentation**](../../../README.md)
+
+***
+
+[BlockSuite API Documentation](../../../README.md) / [@blocksuite/store](../README.md) / Schema
+
+# Class: Schema
+
+Represents a schema manager for block flavours and their relationships.
+Provides methods to register, validate, and query block schemas.
+
+## Properties
+
+### flavourSchemaMap
+
+> `readonly` **flavourSchemaMap**: `Map`\<`string`, \{ `model`: \{ `children?`: `string`[]; `flavour`: `string`; `isFlatData?`: `boolean`; `parent?`: `string`[]; `props?`: (...`args`) => `Record`\<`string`, `any`\>; `role`: `string`; `toModel?`: (...`args`) => `BlockModel`\<`object`\>; \}; `transformer?`: (...`args`) => `BaseBlockTransformer`\<`object`\>; `version`: `number`; \}\>
+
+A map storing block flavour names to their corresponding schema definitions.
+
+## Accessors
+
+### versions
+
+#### Get Signature
+
+> **get** **versions**(): `object`
+
+Returns an object mapping each registered flavour to its version number.
+
+##### Returns
+
+`object`
+
+## Methods
+
+### get()
+
+> **get**(`flavour`): \{ `model`: \{ `children?`: `string`[]; `flavour`: `string`; `isFlatData?`: `boolean`; `parent?`: `string`[]; `props?`: (...`args`) => `Record`\<`string`, `any`\>; `role`: `string`; `toModel?`: (...`args`) => `BlockModel`\<`object`\>; \}; `transformer?`: (...`args`) => `BaseBlockTransformer`\<`object`\>; `version`: `number`; \} \| `undefined`
+
+Retrieves the schema for a given block flavour.
+
+#### Parameters
+
+##### flavour
+
+`string`
+
+The block flavour name.
+
+#### Returns
+
+\{ `model`: \{ `children?`: `string`[]; `flavour`: `string`; `isFlatData?`: `boolean`; `parent?`: `string`[]; `props?`: (...`args`) => `Record`\<`string`, `any`\>; `role`: `string`; `toModel?`: (...`args`) => `BlockModel`\<`object`\>; \}; `transformer?`: (...`args`) => `BaseBlockTransformer`\<`object`\>; `version`: `number`; \} \| `undefined`
+
+The corresponding BlockSchemaType or undefined if not found.
+
+***
+
+### isValid()
+
+> **isValid**(`child`, `parent`): `boolean`
+
+Checks if the child flavour is valid under the parent flavour.
+
+#### Parameters
+
+##### child
+
+`string`
+
+The child block flavour name.
+
+##### parent
+
+`string`
+
+The parent block flavour name.
+
+#### Returns
+
+`boolean`
+
+True if the relationship is valid, false otherwise.
+
+***
+
+### register()
+
+> **register**(`blockSchema`): `Schema`
+
+Registers an array of block schemas into the schema manager.
+
+#### Parameters
+
+##### blockSchema
+
+`object`[]
+
+An array of block schema definitions to register.
+
+#### Returns
+
+`Schema`
+
+The Schema instance (for chaining).
+
+***
+
+### safeValidate()
+
+> **safeValidate**(`flavour`, `parentFlavour?`, `childFlavours?`): `boolean`
+
+Safely validates the schema relationship for a given flavour, parent, and children.
+Returns true if valid, false otherwise (does not throw).
+
+#### Parameters
+
+##### flavour
+
+`string`
+
+The block flavour to validate.
+
+##### parentFlavour?
+
+`string`
+
+The parent block flavour (optional).
+
+##### childFlavours?
+
+`string`[]
+
+The child block flavours (optional).
+
+#### Returns
+
+`boolean`
+
+True if the schema relationship is valid, false otherwise.
+
+***
+
+### toJSON()
+
+> **toJSON**(): `object`
+
+Serializes the schema map to a plain object for JSON output.
+
+#### Returns
+
+`object`
+
+An object mapping each flavour to its role, parent, and children.
+
+***
+
+### validate()
+
+> **validate**(`flavour`, `parentFlavour?`, `childFlavours?`): `void`
+
+Validates the schema relationship for a given flavour, parent, and children.
+Throws SchemaValidateError if invalid.
+
+#### Parameters
+
+##### flavour
+
+`string`
+
+The block flavour to validate.
+
+##### parentFlavour?
+
+`string`
+
+The parent block flavour (optional).
+
+##### childFlavours?
+
+`string`[]
+
+The child block flavours (optional).
+
+#### Returns
+
+`void`
+
+#### Throws
+
+If the schema relationship is invalid.
+
+***
+
+### validateSchema()
+
+> **validateSchema**(`child`, `parent`): `void`
+
+Validates the relationship between a child and parent schema.
+Throws if the relationship is invalid.
+
+#### Parameters
+
+##### child
+
+The child block schema.
+
+###### model
+
+\{ `children?`: `string`[]; `flavour`: `string`; `isFlatData?`: `boolean`; `parent?`: `string`[]; `props?`: (...`args`) => `Record`\<`string`, `any`\>; `role`: `string`; `toModel?`: (...`args`) => `BlockModel`\<`object`\>; \} = `...`
+
+###### model.children?
+
+`string`[] = `ContentSchema`
+
+###### model.flavour
+
+`string` = `FlavourSchema`
+
+###### model.isFlatData?
+
+`boolean` = `...`
+
+###### model.parent?
+
+`string`[] = `ParentSchema`
+
+###### model.props?
+
+(...`args`) => `Record`\<`string`, `any`\> = `...`
+
+###### model.role
+
+`string` = `RoleSchema`
+
+###### model.toModel?
+
+(...`args`) => `BlockModel`\<`object`\> = `...`
+
+###### transformer?
+
+(...`args`) => `BaseBlockTransformer`\<`object`\> = `...`
+
+###### version
+
+`number` = `...`
+
+##### parent
+
+The parent block schema.
+
+###### model
+
+\{ `children?`: `string`[]; `flavour`: `string`; `isFlatData?`: `boolean`; `parent?`: `string`[]; `props?`: (...`args`) => `Record`\<`string`, `any`\>; `role`: `string`; `toModel?`: (...`args`) => `BlockModel`\<`object`\>; \} = `...`
+
+###### model.children?
+
+`string`[] = `ContentSchema`
+
+###### model.flavour
+
+`string` = `FlavourSchema`
+
+###### model.isFlatData?
+
+`boolean` = `...`
+
+###### model.parent?
+
+`string`[] = `ParentSchema`
+
+###### model.props?
+
+(...`args`) => `Record`\<`string`, `any`\> = `...`
+
+###### model.role
+
+`string` = `RoleSchema`
+
+###### model.toModel?
+
+(...`args`) => `BlockModel`\<`object`\> = `...`
+
+###### transformer?
+
+(...`args`) => `BaseBlockTransformer`\<`object`\> = `...`
+
+###### version
+
+`number` = `...`
+
+#### Returns
+
+`void`
+
+#### Throws
+
+If the relationship is invalid.