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authorMinteck <contact@minteck.org>2023-01-10 14:54:04 +0100
committerMinteck <contact@minteck.org>2023-01-10 14:54:04 +0100
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+// @flow strict
+import invariant from '../jsutils/invariant';
+
+import { parse } from '../language/parser';
+
+import type { GraphQLSchema } from '../type/schema';
+
+import { executeSync } from '../execution/execute';
+
+import type {
+ IntrospectionQuery,
+ IntrospectionOptions,
+} from './getIntrospectionQuery';
+import { getIntrospectionQuery } from './getIntrospectionQuery';
+
+/**
+ * Build an IntrospectionQuery from a GraphQLSchema
+ *
+ * IntrospectionQuery is useful for utilities that care about type and field
+ * relationships, but do not need to traverse through those relationships.
+ *
+ * This is the inverse of buildClientSchema. The primary use case is outside
+ * of the server context, for instance when doing schema comparisons.
+ */
+export function introspectionFromSchema(
+ schema: GraphQLSchema,
+ options?: IntrospectionOptions,
+): IntrospectionQuery {
+ const optionsWithDefaults = {
+ specifiedByUrl: true,
+ directiveIsRepeatable: true,
+ schemaDescription: true,
+ inputValueDeprecation: true,
+ ...options,
+ };
+
+ const document = parse(getIntrospectionQuery(optionsWithDefaults));
+ const result = executeSync({ schema, document });
+ invariant(!result.errors && result.data);
+ return (result.data: any);
+}