47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.duplicateFragmentNameMessage = duplicateFragmentNameMessage;
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exports.UniqueFragmentNames = UniqueFragmentNames;
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var _GraphQLError = require("../../error/GraphQLError");
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* strict
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*/
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function duplicateFragmentNameMessage(fragName) {
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return "There can be only one fragment named \"".concat(fragName, "\".");
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}
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/**
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* Unique fragment names
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*
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* A GraphQL document is only valid if all defined fragments have unique names.
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*/
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function UniqueFragmentNames(context) {
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var knownFragmentNames = Object.create(null);
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return {
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OperationDefinition: function OperationDefinition() {
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return false;
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},
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FragmentDefinition: function FragmentDefinition(node) {
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var fragmentName = node.name.value;
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if (knownFragmentNames[fragmentName]) {
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context.reportError(new _GraphQLError.GraphQLError(duplicateFragmentNameMessage(fragmentName), [knownFragmentNames[fragmentName], node.name]));
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} else {
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knownFragmentNames[fragmentName] = node.name;
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}
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return false;
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}
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};
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} |