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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.

About

(g)raph(ql)-(r)equest. A simplified fork of graphql-request

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