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32 lines
1.1 KiB
TypeScript
32 lines
1.1 KiB
TypeScript
// Loaded from https://deno.land/x/graphql_deno@v15.0.0/lib/utilities/introspectionFromSchema.js
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import invariant from '../jsutils/invariant.js';
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import isPromise from '../jsutils/isPromise.js';
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import { parse } from '../language/parser.js';
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import { execute } from '../execution/execute.js';
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import { getIntrospectionQuery } from './getIntrospectionQuery.js';
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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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directiveIsRepeatable: true,
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schemaDescription: 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 = execute({
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schema,
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document
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});
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invariant(!isPromise(result) && !result.errors && result.data);
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return result.data;
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} |