32 lines
1.0 KiB
JavaScript
32 lines
1.0 KiB
JavaScript
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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oneOf: 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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