Module: runtime

ComposeDB runtime module, converting a runtime composite to an executable GraphQL schema.

Installation

npm install @composedb/runtime

Classes

• ComposeRuntime

Type Aliases

ComposeRuntimeParams

Ƭ ComposeRuntimeParams: GetSchemaParams & { cache?: DocumentCache | boolean ; ceramic: CeramicApi | string ; context?: Context }

---

Context

Ƭ Context: Object

Type declaration

Name	Type	Description
ceramic	CeramicApi	Ceramic client instance used internally.
createDoc	<Content>(model: string, content: Content) => Promise<ModelInstanceDocument<Content>>	Create a new document with the given model and content.
createSingle	<Content>(model: string, content: Content) => Promise<ModelInstanceDocument<Content>>	Create a new single document with the given model and content.
getViewerID	() => string | null	ID of the current viewer (authenticated DID), if set.
isAuthenticated	() => boolean	Returns whether the Ceramic client instance used internally is authenticated or not. When not authenticated, mutations will fail.
loadDoc	<Content>(id: string | CommitID | StreamID, fresh?: boolean) => Promise<ModelInstanceDocument<Content>>	Load a document by ID, using the cache if possible.
loader	DocumentLoader	Document loader instance used internally.
queryConnection	(query: ConnectionQuery) => Promise<Connection<ModelInstanceDocument | null>>	Query the index for a connection of documents.
queryCount	(query: BaseQuery) => Promise<number>	Query the index for the total number of documents matching the query parameters.
querySingle	(query: BaseQuery) => Promise<ModelInstanceDocument | null>	Query the index for a single document.
updateDoc	<Content>(id: string | StreamID, content: Content, options?: UpdateDocOptions) => Promise<ModelInstanceDocument<Content>>	Update an existing document.

---

ContextParams

Ƭ ContextParams: Object

Type declaration

Name	Type	Description
cache?	DocumentCache | boolean	Optional cache for documents.
ceramic	CeramicApi	Ceramic client instance.
fallbackViewerID?	string | null	Fallback viewer ID to use when the Ceramic instance is not authenticated.

---

DocumentCache

Ƭ DocumentCache: Object

Type declaration

Name	Type
clear	() => any
delete	(id: string) => any
get	(id: string) => void | Promise<ModelInstanceDocument<Record<string, any>>>
set	(id: string, value: Promise<ModelInstanceDocument<Record<string, any>>>) => any

---

GetSchemaParams

Ƭ GetSchemaParams: Object

Type declaration

Name	Type	Description
definition?	RuntimeCompositeDefinition	Runtime composite definition, created using the Composite development tools.
readonly?	boolean	Set the schema to read-only, disabling mutations support.
schema?	GraphQLSchema	GraphQL Schema to use, ignores the definition and readonly parameters if provided.

Functions

createContext

▸ createContext(params): Context

Parameters

Name	Type
params	ContextParams

Returns

Context

---

createGraphQLSchema

▸ createGraphQLSchema(params): GraphQLSchema

Create a GraphQL schema from a runtime composite definition

Parameters

Name	Type
params	CreateSchemaParams

Returns

GraphQLSchema

---

getSchema

▸ getSchema(params): GraphQLSchema

Use or create a GraphQL schema based on the provided parameters.

Parameters

Name	Type
params	GetSchemaParams

Returns

GraphQLSchema

---

printGraphQLSchema

▸ printGraphQLSchema(definition, readonly?): string

Create a GraphQL schema from a runtime composite definition and return its string representation.

Parameters

Name	Type	Default value
definition	RuntimeCompositeDefinition	undefined
readonly	boolean	false

Returns

string