22 lines
875 B
JavaScript
22 lines
875 B
JavaScript
import invariant from '../jsutils/invariant';
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import isPromise from '../jsutils/isPromise';
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import { execute } from '../execution/execute';
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import { parse } from '../language/parser';
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import { getIntrospectionQuery } from './introspectionQuery';
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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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var queryAST = parse(getIntrospectionQuery(options));
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var result = execute(schema, queryAST);
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!(!isPromise(result) && !result.errors && result.data) ? invariant(0) : void 0;
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return result.data;
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}
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