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craigbeck/introspection-query.graphql

Created April 6, 2016 20:20
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Introspection query for GraphQL
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introspection-query.graphql
query IntrospectionQuery {
__schema {
queryType { name }
mutationType { name }
subscriptionType { name }
types {
...FullType
}
directives {
name
description
args {
...InputValue
}
onOperation
onFragment
onField
}
}
}
fragment FullType on __Type {
kind
name
description
fields(includeDeprecated: true) {
name
description
args {
...InputValue
}
type {
...TypeRef
}
isDeprecated
deprecationReason
}
inputFields {
...InputValue
}
interfaces {
...TypeRef
}
enumValues(includeDeprecated: true) {
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
}
}
}
}
@m14t
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m14t commented Nov 7, 2018

I was looking for the following when I came across this gist:
https://graphql.org/graphql-js/utilities/#introspectionquery

const {introspectionQuery } = require('graphql');

@johndpope
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npm install -g graphql-introspect
graphql-introspect URL > schema.graphql

@danstarns
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danstarns commented Mar 8, 2020 •
edited
Loading 

const path = require("path");
const fs = require("fs");
const fetch = require("node-fetch");
const {
    getIntrospectionQuery,
    printSchema,
    buildClientSchema
} = require("graphql");

async function main() {
  const introspectionQuery = getIntrospectionQuery();

    const response = await fetch(
        "https://<URL_HERE>/graphql",
        {
            method: "POST",
            headers: {
                "Content-Type": "application/json"
            },
            body: JSON.stringify({ query: introspectionQuery })
        }
    );

    const { data } = await response.json();

    const schema = buildClientSchema(data);

    const outputFile = path.join(__dirname, "./result.gql");

    await fs.promises.writeFile(outputFile, printSchema(schema));
}

main();

@nagarajcruze
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@danstarns what is the query here?

@danstarns
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@danstarns what is the query here?

introspectionQuery is an exported member of graphql, the query is that.

const { introspectionQuery } = require("graphql");

console.log(introspectionQuery);

@nagarajcruze
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@danstarns thank you.

@24601
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24601 commented Jan 15, 2021

The graphql reference implementation on JS has changed slightly and introspectionQuery is no longer exported as above. For newer versions of graphql (after graphql/graphql-js#2718), the above will break/not work, however, this seems to work after adapting to getIntrospectionQuery:

const path = require("path");
const fs = require("fs");
const fetch = require("node-fetch");
const {
    getIntrospectionQuery,
    printSchema,
    buildClientSchema
} = require("graphql");

async function main() {
  const introspectionQuery = getIntrospectionQuery();

    const response = await fetch(
        "https://<URL_HERE>/graphql",
        {
            method: "POST",
            headers: {
                "Content-Type": "application/json"
            },
            body: JSON.stringify({ query: introspectionQuery })
        }
    );

    const { data } = await response.json();

    const schema = buildClientSchema(data);

    const outputFile = path.join(__dirname, "./result.gql");

    await fs.promises.writeFile(outputFile, printSchema(schema));
}

main();

@danstarns
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The graphql reference implementation on JS has changed slightly and introspectionQuery is no longer exported as above. For newer versions of graphql (after graphql/graphql-js#2718), the above will break/not work, however, this seems to work after adapting to getIntrospectionQuery:

const path = require("path");
const fs = require("fs");
const fetch = require("node-fetch");
const {
    getIntrospectionQuery,
    printSchema,
    buildClientSchema
} = require("graphql");

async function main() {
  const introspectionQuery = getIntrospectionQuery();

    const response = await fetch(
        "https://<URL_HERE>/graphql",
        {
            method: "POST",
            headers: {
                "Content-Type": "application/json"
            },
            body: JSON.stringify({ query: introspectionQuery })
        }
    );

    const { data } = await response.json();

    const schema = buildClientSchema(data);

    const outputFile = path.join(__dirname, "./result.gql");

    await fs.promises.writeFile(outputFile, printSchema(schema));
}

main();

Good call updated getIntrospectionQuery 👍

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