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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,32 +1,40 @@ | ||
| import graphqlHTTP from 'express-graphql' | ||
| import { graphqlHTTP } from 'express-graphql' | ||
| import fetch from 'cross-fetch' | ||
| import { HttpLink } from 'apollo-link-http' | ||
| import { | ||
| introspectSchema, | ||
| makeRemoteExecutableSchema, | ||
| transformSchema, | ||
| FilterRootFields, | ||
| } from 'graphql-tools' | ||
| import { loadSchema } from '@graphql-tools/load' | ||
| import { UrlLoader } from '@graphql-tools/url-loader' | ||
| import { wrapSchema, FilterRootFields } from '@graphql-tools/wrap' | ||
| import { Request, Response } from 'express' | ||
|
|
||
| export interface StatusServerOptions { | ||
| graphNodeStatusEndpoint: string | ||
| } | ||
|
|
||
| export const createStatusServer = async ({ | ||
| graphNodeStatusEndpoint, | ||
| }: StatusServerOptions): Promise<graphqlHTTP.Middleware> => { | ||
| const nodeLink = new HttpLink({ uri: graphNodeStatusEndpoint, fetch }) | ||
| const nodeSchema = await introspectSchema(nodeLink) | ||
| const schema = transformSchema(nodeSchema, [ | ||
| new FilterRootFields((_operation, fieldName) => fieldName === 'indexingStatuses'), | ||
| ]) | ||
| const executableSchema = makeRemoteExecutableSchema({ | ||
| schema: schema, | ||
| link: nodeLink, | ||
| }: StatusServerOptions): Promise< | ||
| (request: Request, response: Response) => Promise<void> | ||
| > => { | ||
| const schema = await loadSchema(graphNodeStatusEndpoint, { | ||
| loaders: [new UrlLoader()], | ||
| headers: { | ||
| Accept: 'application/json', | ||
| }, | ||
| method: 'POST', | ||
| fetch, | ||
| }) | ||
|
|
||
| const filteredSchema = wrapSchema({ | ||
| schema, | ||
| transforms: [ | ||
| new FilterRootFields( | ||
| (_operation: 'Query' | 'Mutation' | 'Subscription', rootFieldName: string) => | ||
| rootFieldName === 'indexingStatuses', | ||
| ), | ||
| ], | ||
| }) | ||
|
|
||
| return graphqlHTTP({ | ||
| schema: executableSchema, | ||
| schema: filteredSchema, | ||
| graphiql: true, | ||
| }) | ||
| } |
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