How to use the graphql-query-complexity function in graphql-query-complexity
To help you get started, we’ve selected a few graphql-query-complexity examples, based on popular ways it is used in public projects.
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atherosai / graphql-gateway-apollo-express / server / initGraphQLServer.ts View on Github 
import { ApolloServer } from 'apollo-server-express';
import { GraphQLError } from 'graphql';
import depthLimit from 'graphql-depth-limit';
import queryComplexity, {
simpleEstimator,
} from 'graphql-query-complexity';
import schema from './schema';
import { NODE_ENV, CUSTOM_ENV } from './config/config';
const queryComplexityRule = queryComplexity({
maximumComplexity: 1000,
variables: {},
// eslint-disable-next-line no-console
createError: (max: number, actual: number) => new GraphQLError(`Query is too complex: ${actual}. Maximum allowed complexity: ${max}`),
estimators: [
simpleEstimator({
defaultComplexity: 1,
}),
],
});
const apolloServer = new ApolloServer({
schema,
introspection: NODE_ENV !== 'production' && CUSTOM_ENV !== 'production',
validationRules: [depthLimit(7), queryComplexityRule],graphql-query-complexity
Validation rule for GraphQL query complexity analysis
