1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.UniqueInputFieldNamesRule = UniqueInputFieldNamesRule;
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7 |
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8 | var _GraphQLError = require("../../error/GraphQLError.js");
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9 |
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10 |
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11 |
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12 |
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13 |
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14 |
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15 |
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16 | function UniqueInputFieldNamesRule(context) {
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17 | var knownNameStack = [];
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18 | var knownNames = Object.create(null);
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19 | return {
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20 | ObjectValue: {
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21 | enter: function enter() {
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22 | knownNameStack.push(knownNames);
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23 | knownNames = Object.create(null);
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24 | },
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25 | leave: function leave() {
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26 | knownNames = knownNameStack.pop();
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27 | }
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28 | },
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29 | ObjectField: function ObjectField(node) {
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30 | var fieldName = node.name.value;
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31 |
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32 | if (knownNames[fieldName]) {
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33 | context.reportError(new _GraphQLError.GraphQLError("There can be only one input field named \"".concat(fieldName, "\"."), [knownNames[fieldName], node.name]));
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34 | } else {
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35 | knownNames[fieldName] = node.name;
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36 | }
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37 | }
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38 | };
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39 | }
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