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fetch-schema
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executable file
·118 lines (114 loc) · 2.43 KB
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#!/usr/bin/env node
const fs = require('fs');
const path = require('path');
const fetch = require('node-fetch');
const {buildClientSchema, printSchema} = require('graphql/utilities');
const schemaPath = path.resolve(__dirname, '..', 'graphql', 'schema');
const introspectionQuery = `
query IntrospectionQuery {
__schema {
queryType { name }
mutationType { name }
subscriptionType { name }
types {
...FullType
}
directives {
name
description
locations
args {
...InputValue
}
}
}
}
fragment FullType on __Type {
kind
name
description
fields(includeDeprecated: false) {
name
description
args {
...InputValue
}
type {
...TypeRef
}
isDeprecated
deprecationReason
}
inputFields {
...InputValue
}
interfaces {
...TypeRef
}
enumValues(includeDeprecated: false) {
name
description
isDeprecated
deprecationReason
}
possibleTypes {
...TypeRef
}
}
fragment InputValue on __InputValue {
name
description
type { ...TypeRef }
defaultValue
}
fragment TypeRef on __Type {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
ofType {
kind
name
}
}
}
}
}
}
}
}
`;
const token = process.env.GITHUB_TOKEN;
if (!token) {
throw new Error('You must specify a GitHub auth token in GITHUB_TOKEN');
}
const SERVER = 'https://api.github.com/graphql';
// Save JSON of full schema introspection for Babel Relay Plugin to use
fetch(`${SERVER}`, {
method: 'POST',
headers: {
'Accept': 'application/vnd.github.antiope-preview+json',
'Content-Type': 'application/json',
'Authorization': 'bearer ' + token,
},
body: JSON.stringify({query: introspectionQuery}),
}).then(res => res.json()).then(schemaJSON => {
const graphQLSchema = buildClientSchema(schemaJSON.data);
fs.writeFileSync(`${schemaPath}.graphql`, printSchema(graphQLSchema));
}).catch(err => console.error(err)); // eslint-disable-line no-console