graphql-yoga
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text/typescript
import type { GraphQLSchema } from 'graphql';
import type { PromiseOrValue } from '@envelop/core';
import type { Logger } from '@graphql-hive/logger';
import type { createFetch } from '@whatwg-node/fetch';
import type { ServerAdapterInitialContext } from '@whatwg-node/server';
export type GraphQLSchemaWithContext<TContext> = GraphQLSchema & {
_context?: TContext;
};
export interface GraphQLParams<TVariables = Record<string, any>, TExtensions = Record<string, any>> {
operationName?: string;
query?: string;
variables?: TVariables;
extensions?: TExtensions;
}
export type YogaConfigContext = {
/**
* The logger to use throughout Yoga and its plugins.
*
* Within a request, this is a request-scoped child logger carrying a `requestId` attribute,
* so every log line produced while handling that request can be correlated together.
*/
log: Logger;
};
export interface YogaInitialContext extends ServerAdapterInitialContext, YogaConfigContext {
/**
* GraphQL Parameters
*/
params: GraphQLParams;
/**
* An object describing the HTTP request.
*/
request: Request;
}
export type CORSOptions = {
origin?: string[] | string;
methods?: string[];
allowedHeaders?: string[];
exposedHeaders?: string[];
credentials?: boolean;
maxAge?: number;
} | false;
declare module 'graphql' {
interface GraphQLHTTPErrorExtensions {
spec?: boolean;
status?: number;
headers?: Record<string, string>;
}
interface GraphQLErrorExtensions {
http?: GraphQLHTTPErrorExtensions;
}
}
export type FetchAPI = ReturnType<typeof createFetch>;
export interface FetchEvent extends Event {
request: Request;
respondWith(response: PromiseOrValue<Response>): void;
}
export type YogaMaskedErrorOpts = {
maskError: MaskError;
errorMessage: string;
isDev?: boolean;
};
export type MaskError = (error: unknown, message: string, isDev?: boolean,
/**
* The context of the request that caused the error, so a masked error (and any logging
* around it) can be correlated with - and informed by - the request, e.g. its `log`ger,
* headers or authenticated user. Passed by whichever caller has it: `handleError` (error.ts)
* for the HTTP path, or envelop's `useMaskedErrors` itself for subscription/streaming errors
* (it gets one from the context it's given at the point of the call). May be partial, or
* unset entirely, for an error before a full context could be built.
*/
context?: Partial<YogaInitialContext> & YogaConfigContext) => Error;
export type MaybeArray<T> = T | T[];
export interface GraphQLHTTPExtensions {
spec?: boolean;
status?: number;
headers?: Record<string, string>;
}