gqlr
WIP: (g)raph(ql)-(r)equest. A simplified fork of graphql-request
Last updated 15 days ago by 12core-bot .
MIT · Repository · Bugs · Original npm · Tarball · package.json
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gqlr

tests

Minimaler Fork of the Minimal GraphQL client graphql-request.

Features

  • Even simpler than graphql-request! Needlessly duplicated code removed.
  • Same Promise-based API (works with async / await).
  • No Typescript.
  • Actually Isomorphic (works with Node / browsers). Ships a real ESM module, instead of the fake one TS generates.

Why?

graphql-request was causing problems downstream due to the fake ESM module it ships, making it incompatible with both browser esm and node.js esm. Additionally, many people are using graphql-request already, so making some simple breaking changes would cause a headache for everyone involved.

Install

npm add gqlr

Quickstart

Send a GraphQL query with a single line of code. ▶️ Try it out.

import { request } from 'gqlr'

const query = `{
  Movie(title: "Inception") {
    releaseDate
    actors {
      name
    }
  }
}`

request('https://api.graph.cool/simple/v1/movies', query).then((data) => console.log(data))

or directly in the browser with native ESM:

import { request } from 'https://unpkg.com/gqlr@^1?module'

const query = `{
  Movie(title: "Inception") {
    releaseDate
    actors {
      name
    }
  }
}`

request('https://api.graph.cool/simple/v1/movies', query).then((data) => console.log(data))

Usage

import { request, GraphQLClient } from 'gqlr' // Works with real Node.js ESM

// Run GraphQL queries/mutations using a static function
request(endpoint, query, variables).then((data) => console.log(data))

// ... or create a GraphQL client instance to send requests
const client = new GraphQLClient(endpoint, { headers: {} })
client.request(query, variables).then((data) => console.log(data))

API

import { GraphQLClient, request, rawRequest } from 'gqlr'

Import the GraphQLClient class, request and rawRequest from gqlr.

client = new GraphQLClient(url, [opts])

Create a new client instance of GraphQLClient for a given url with the following default opts passed the node-fetch internally:

{
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
}

Any opts.headers are mixed in with the default headers, and any other properties on opts are passed as fetch options.

{ headers, status, ...result } = await client.rawRequest(query, [variables])

Make a query request with a client including the optional variables object, returning extra response properties like extensions.

data = await client.request(query, [variables])

Make a query request with a client including the optional variables object, returning just the data field.

data = await client.stringRequest(body)

Make a request with a body string to the configured GQL endpoint. The body should be in the form of:

const body = JSON.stringify({
  query: '{ viewer { id } }',
  variables: {}
})

Useful with tools like SWR, where you usually stringify a query and variables object into a cache key that gets passed to your fetcher function. With stringRequest, you can avoid double JSON.stringify problems, or complex variable scope passing.

client = client.setHeaders(headers)

Pass a headers object to a client to customize the headers.

client = client.setHeader(key, value)

Set a specific header by a key and a value.

{ headers, status, ...result } = rawRequest(url, query, [variables], [opts])

Convenience function to instantiate a client and make a request in a single function call, returning the extended properties of the graphql request.

data = request(url, query, [variables], [opts])

Convenience function to instantiate a client and make a request in a single function call.

data = stringRequest(url, body, [opts])

Convenience function to instantiate a client and make a stringRequest in a single function call.

Examples

Authentication via HTTP header

import { GraphQLClient } from 'gqlr'

async function main() {
  const endpoint = 'https://api.graph.cool/simple/v1/cixos23120m0n0173veiiwrjr'

  const graphQLClient = new GraphQLClient(endpoint, {
    headers: {
      authorization: 'Bearer MY_TOKEN',
    },
  })

  const query = /* GraphQL */ `
    {
      Movie(title: "Inception") {
        releaseDate
        actors {
          name
        }
      }
    }
  `

  const data = await graphQLClient.request(query)
  console.log(JSON.stringify(data, undefined, 2))
}

main().catch((error) => console.error(error))

Example File

Passing more options to fetch

import { GraphQLClient } from 'gqlr'

async function main() {
  const endpoint = 'https://api.graph.cool/simple/v1/cixos23120m0n0173veiiwrjr'

  const graphQLClient = new GraphQLClient(endpoint, {
    credentials: 'include',
    mode: 'cors',
  })

  const query = /* GraphQL */ `
    {
      Movie(title: "Inception") {
        releaseDate
        actors {
          name
        }
      }
    }
  `

  const data = await graphQLClient.request(query)
  console.log(JSON.stringify(data, undefined, 2))
}

main().catch((error) => console.error(error))

Example

Using variables

import { request } from 'gqlr'

async function main() {
  const endpoint = 'https://api.graph.cool/simple/v1/cixos23120m0n0173veiiwrjr'

  const query = /* GraphQL */ `
    query getMovie($title: String!) {
      Movie(title: $title) {
        releaseDate
        actors {
          name
        }
      }
    }
  `

  const variables = {
    title: 'Inception',
  }

  const data = await request(endpoint, query, variables)
  console.log(JSON.stringify(data, undefined, 2))
}

main().catch((error) => console.error(error))

Example

Error handling

import { request } from 'gqlr'

async function main() {
  const endpoint = 'https://api.graph.cool/simple/v1/cixos23120m0n0173veiiwrjr'

  const query = /* GraphQL */ `
    {
      Movie(title: "Inception") {
        releaseDate
        actors {
          fullname # "Cannot query field 'fullname' on type 'Actor'. Did you mean 'name'?"
        }
      }
    }
  `

  try {
    const data = await request(endpoint, query)
    console.log(JSON.stringify(data, undefined, 2))
  } catch (error) {
    console.error(JSON.stringify(error, undefined, 2))
    process.exit(1)
  }
}

main().catch((error) => console.error(error))

Example

Using require instead of import

const { request } = require('gqlr')

async function main() {
  const endpoint = 'https://api.graph.cool/simple/v1/cixos23120m0n0173veiiwrjr'

  const query = /* GraphQL */ `
    {
      Movie(title: "Inception") {
        releaseDate
        actors {
          name
        }
      }
    }
  `

  const data = await request(endpoint, query)
  console.log(JSON.stringify(data, undefined, 2))
}

main().catch((error) => console.error(error))

Cookie support for node

npm install fetch-cookie
// This probably only works in CJS environments.
require('fetch-cookie/node-fetch')(require('node-fetch'))

require { GraphQLClient } = require('gqlr')

async function main() {
  const endpoint = 'https://api.graph.cool/simple/v1/cixos23120m0n0173veiiwrjr'

  const graphQLClient = new GraphQLClient(endpoint, {
    headers: {
      authorization: 'Bearer MY_TOKEN',
    },
  })

  const query = /* GraphQL */ `
    {
      Movie(title: "Inception") {
        releaseDate
        actors {
          name
        }
      }
    }
  `

  const data = await graphQLClient.rawRequest(query)
  console.log(JSON.stringify(data, undefined, 2))
}

main().catch((error) => console.error(error))

Example

Receiving a raw response

The request method will return the data or errors key from the response. If you need to access the extensions key you can use the rawRequest method:

import { rawRequest } from 'gqlr'

async function main() {
  const endpoint = 'https://api.graph.cool/simple/v1/cixos23120m0n0173veiiwrjr'

  const query = /* GraphQL */ `
    {
      Movie(title: "Inception") {
        releaseDate
        actors {
          name
        }
      }
    }
  `

  const { data, errors, extensions, headers, status } = await rawRequest(endpoint, query)
  console.log(JSON.stringify({ data, errors, extensions, headers, status }, undefined, 2))
}

main().catch((error) => console.error(error))

Example

FAQ

What's the difference between gqlr and graphql-request?

gqlr is a minimal, mostly drop-in replacement of graphql-request aimed at:

  • shipping artifacts with working esm exports.
  • work in the browser without a bundler (even more minimal)
  • work with Node.js "type": "module".
  • further reducing library size (remove unnecessarily duplicated code)
  • removing the project overhead of Typescript syntax, Typescript tooling, and Typescript bugs.
  • Clarify undocumented methods and edge-cases.

Breaking changes include:

  • No fake 'default' export. If you use this, switch to importing named exports.
  • Imports node-fetch. This might break react native, not sure.

This is too simple, to use the power of graphql you must use...

  • This module pairs really well with swr and other similar ideas. If you need caching, react hooks and any other party tricks, just use that. Orthogonal concerns ftw.

Current Tags

  • 2.0.1                                ...           latest (15 days ago)

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