16.1.0 • Published 4 months ago

mercurius v16.1.0

Weekly downloads
4,861
License
MIT
Repository
github
Last release
4 months ago

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mercurius

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Mercurius is a GraphQL adapter for Fastify

Features:

  • Caching of query parsing and validation.
  • Automatic loader integration to avoid 1 + N queries.
  • Just-In-Time compiler via graphql-jit.
  • Subscriptions.
  • Federation support via @mercuriusjs/federation, including Subscriptions.
  • Gateway implementation via @mercuriusjs/gateway, including Subscriptions.
  • Batched query support.
  • Customisable persisted queries.

Docs

Install

npm i fastify mercurius graphql
# or
yarn add fastify mercurius graphql

The previous name of this module was fastify-gql (< 6.0.0).

Quick Start

'use strict'

const Fastify = require('fastify')
const mercurius = require('mercurius')

const app = Fastify()

const schema = `
  type Query {
    add(x: Int, y: Int): Int
  }
`

const resolvers = {
  Query: {
    add: async (_, { x, y }) => x + y
  }
}

app.register(mercurius, {
  schema,
  resolvers
})

app.get('/', async function (req, reply) {
  const query = '{ add(x: 2, y: 2) }'
  return reply.graphql(query)
})

app.listen({ port: 3000 })

Examples

Check GitHub repo for more examples.

Acknowledgements

The project is kindly sponsored by:

The Mercurius name was gracefully donated by Marco Castelluccio. The usage of that library was described in https://hacks.mozilla.org/2015/12/web-push-notifications-from-irssi/, and you can find that codebase in https://github.com/marco-c/mercurius.

License

MIT

@fastify/error@fastify/static@fastify/websocketfastify-plugingraphql-jitmqemitterp-mapquick-lrureadable-streamsafe-stable-stringifysecure-json-parsesingle-user-cachetiny-lruws
zaphycms-serverdcrcms-serverrel-serversafis-cms-server@everything-registry/sub-chunk-2155baas-engineswiftify@domedb/plugin-graphqlkendryte@aiswarm/api-graphql@ayazmo/corexngineunify-mercurius@fastivite/graphql@dstack-js/relay@ebilin/graphql@greguintow/nest-fgql@formidablejs/graphql@infinitebrahmanuniverse/nolb-mer@mrapi/api@nearform/brokeneck-fastify@neon.id/model-to-graphql@neon.id/fastify@masol/soa@mercuriusjs/federation@mercuriusjs/gateway@omurilo/fastify-mercurius-auto-graphql@platformatic/graphql-composer@platformatic/service@platformatic/sql-graphql@platformatic/composer@rise8/mock-test-kit-utils@onemind/apimica-graphqlpsql-engine-appgraphwiregraphql-subscription-proxygraffitihelocoremagicbinmercurius-auto-schema@treedom/mercurius-auth-opa@versini/example-fastify-server@yourdata/graphql@xxskyy/microbundleclubeeo-corecorvina-graphql-test-serverfastify-starterfarmingwithnature-server@since.app/gql
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