76 lines
2.6 KiB
JavaScript
76 lines
2.6 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.duplicateFieldDefinitionNameMessage = duplicateFieldDefinitionNameMessage;
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exports.existedFieldDefinitionNameMessage = existedFieldDefinitionNameMessage;
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exports.UniqueFieldDefinitionNames = UniqueFieldDefinitionNames;
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var _GraphQLError = require("../../error/GraphQLError");
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var _definition = require("../../type/definition");
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function duplicateFieldDefinitionNameMessage(typeName, fieldName) {
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return "Field \"".concat(typeName, ".").concat(fieldName, "\" can only be defined once.");
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}
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function existedFieldDefinitionNameMessage(typeName, fieldName) {
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return "Field \"".concat(typeName, ".").concat(fieldName, "\" already exists in the schema. It cannot also be defined in this type extension.");
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}
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/**
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* Unique field definition names
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*
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* A GraphQL complex type is only valid if all its fields are uniquely named.
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*/
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function UniqueFieldDefinitionNames(context) {
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var schema = context.getSchema();
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var existingTypeMap = schema ? schema.getTypeMap() : Object.create(null);
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var knownFieldNames = Object.create(null);
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return {
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InputObjectTypeDefinition: checkFieldUniqueness,
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InputObjectTypeExtension: checkFieldUniqueness,
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InterfaceTypeDefinition: checkFieldUniqueness,
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InterfaceTypeExtension: checkFieldUniqueness,
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ObjectTypeDefinition: checkFieldUniqueness,
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ObjectTypeExtension: checkFieldUniqueness
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};
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function checkFieldUniqueness(node) {
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var typeName = node.name.value;
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if (!knownFieldNames[typeName]) {
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knownFieldNames[typeName] = Object.create(null);
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}
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if (node.fields) {
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var fieldNames = knownFieldNames[typeName];
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for (var _i2 = 0, _node$fields2 = node.fields; _i2 < _node$fields2.length; _i2++) {
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var fieldDef = _node$fields2[_i2];
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var fieldName = fieldDef.name.value;
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if (hasField(existingTypeMap[typeName], fieldName)) {
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context.reportError(new _GraphQLError.GraphQLError(existedFieldDefinitionNameMessage(typeName, fieldName), fieldDef.name));
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} else if (fieldNames[fieldName]) {
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context.reportError(new _GraphQLError.GraphQLError(duplicateFieldDefinitionNameMessage(typeName, fieldName), [fieldNames[fieldName], fieldDef.name]));
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} else {
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fieldNames[fieldName] = fieldDef.name;
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}
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}
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}
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return false;
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}
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}
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function hasField(type, fieldName) {
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if ((0, _definition.isObjectType)(type) || (0, _definition.isInterfaceType)(type) || (0, _definition.isInputObjectType)(type)) {
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return type.getFields()[fieldName];
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}
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return false;
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}
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