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30 lines
1.0 KiB
30 lines
1.0 KiB
import { invariant } from '../jsutils/invariant.mjs'; |
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import { parse } from '../language/parser.mjs'; |
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import { executeSync } from '../execution/execute.mjs'; |
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import { getIntrospectionQuery } from './getIntrospectionQuery.mjs'; |
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/** |
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* Build an IntrospectionQuery from a GraphQLSchema |
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* |
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* IntrospectionQuery is useful for utilities that care about type and field |
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* relationships, but do not need to traverse through those relationships. |
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* |
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* This is the inverse of buildClientSchema. The primary use case is outside |
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* of the server context, for instance when doing schema comparisons. |
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*/ |
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export function introspectionFromSchema(schema, options) { |
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const optionsWithDefaults = { |
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specifiedByUrl: true, |
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directiveIsRepeatable: true, |
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schemaDescription: true, |
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inputValueDeprecation: true, |
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...options, |
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}; |
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const document = parse(getIntrospectionQuery(optionsWithDefaults)); |
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const result = executeSync({ |
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schema, |
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document, |
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}); |
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(!result.errors && result.data) || invariant(false); |
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return result.data; |
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}
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