1 | import find from "../polyfills/find.mjs";
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2 | import objectValues from "../polyfills/objectValues.mjs";
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3 | import inspect from "../jsutils/inspect.mjs";
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4 | import { GraphQLError } from "../error/GraphQLError.mjs";
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5 | import { locatedError } from "../error/locatedError.mjs";
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6 | import { isValidNameError } from "../utilities/assertValidName.mjs";
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7 | import { isEqualType, isTypeSubTypeOf } from "../utilities/typeComparators.mjs";
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8 | import { assertSchema } from "./schema.mjs";
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9 | import { isIntrospectionType } from "./introspection.mjs";
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10 | import { isDirective, GraphQLDeprecatedDirective } from "./directives.mjs";
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11 | import { isObjectType, isInterfaceType, isUnionType, isEnumType, isInputObjectType, isNamedType, isNonNullType, isInputType, isOutputType, isRequiredArgument, isRequiredInputField } from "./definition.mjs";
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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 |
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17 |
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18 |
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19 |
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20 | export function validateSchema(schema) {
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21 |
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22 | assertSchema(schema);
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23 |
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24 | if (schema.__validationErrors) {
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25 | return schema.__validationErrors;
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26 | }
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27 |
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28 |
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29 | var context = new SchemaValidationContext(schema);
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30 | validateRootTypes(context);
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31 | validateDirectives(context);
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32 | validateTypes(context);
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33 |
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34 |
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35 | var errors = context.getErrors();
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36 | schema.__validationErrors = errors;
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37 | return errors;
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38 | }
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39 |
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40 |
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41 |
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42 |
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43 |
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44 | export function assertValidSchema(schema) {
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45 | var errors = validateSchema(schema);
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46 |
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47 | if (errors.length !== 0) {
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48 | throw new Error(errors.map(function (error) {
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49 | return error.message;
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50 | }).join('\n\n'));
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51 | }
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52 | }
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53 |
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54 | var SchemaValidationContext = function () {
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55 | function SchemaValidationContext(schema) {
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56 | this._errors = [];
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57 | this.schema = schema;
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58 | }
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59 |
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60 | var _proto = SchemaValidationContext.prototype;
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61 |
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62 | _proto.reportError = function reportError(message, nodes) {
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63 | var _nodes = Array.isArray(nodes) ? nodes.filter(Boolean) : nodes;
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64 |
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65 | this.addError(new GraphQLError(message, _nodes));
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66 | };
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67 |
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68 | _proto.addError = function addError(error) {
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69 | this._errors.push(error);
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70 | };
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71 |
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72 | _proto.getErrors = function getErrors() {
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73 | return this._errors;
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74 | };
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75 |
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76 | return SchemaValidationContext;
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77 | }();
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78 |
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79 | function validateRootTypes(context) {
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80 | var schema = context.schema;
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81 | var queryType = schema.getQueryType();
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82 |
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83 | if (!queryType) {
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84 | context.reportError('Query root type must be provided.', schema.astNode);
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85 | } else if (!isObjectType(queryType)) {
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86 | var _getOperationTypeNode;
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87 |
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88 | context.reportError("Query root type must be Object type, it cannot be ".concat(inspect(queryType), "."), (_getOperationTypeNode = getOperationTypeNode(schema, 'query')) !== null && _getOperationTypeNode !== void 0 ? _getOperationTypeNode : queryType.astNode);
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89 | }
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90 |
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91 | var mutationType = schema.getMutationType();
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92 |
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93 | if (mutationType && !isObjectType(mutationType)) {
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94 | var _getOperationTypeNode2;
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95 |
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96 | context.reportError('Mutation root type must be Object type if provided, it cannot be ' + "".concat(inspect(mutationType), "."), (_getOperationTypeNode2 = getOperationTypeNode(schema, 'mutation')) !== null && _getOperationTypeNode2 !== void 0 ? _getOperationTypeNode2 : mutationType.astNode);
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97 | }
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98 |
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99 | var subscriptionType = schema.getSubscriptionType();
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100 |
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101 | if (subscriptionType && !isObjectType(subscriptionType)) {
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102 | var _getOperationTypeNode3;
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103 |
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104 | context.reportError('Subscription root type must be Object type if provided, it cannot be ' + "".concat(inspect(subscriptionType), "."), (_getOperationTypeNode3 = getOperationTypeNode(schema, 'subscription')) !== null && _getOperationTypeNode3 !== void 0 ? _getOperationTypeNode3 : subscriptionType.astNode);
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105 | }
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106 | }
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107 |
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108 | function getOperationTypeNode(schema, operation) {
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109 | var operationNodes = getAllSubNodes(schema, function (node) {
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110 | return node.operationTypes;
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111 | });
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112 |
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113 | for (var _i2 = 0; _i2 < operationNodes.length; _i2++) {
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114 | var node = operationNodes[_i2];
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115 |
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116 | if (node.operation === operation) {
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117 | return node.type;
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118 | }
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119 | }
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120 |
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121 | return undefined;
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122 | }
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123 |
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124 | function validateDirectives(context) {
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125 | for (var _i4 = 0, _context$schema$getDi2 = context.schema.getDirectives(); _i4 < _context$schema$getDi2.length; _i4++) {
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126 | var directive = _context$schema$getDi2[_i4];
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127 |
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128 |
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129 | if (!isDirective(directive)) {
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130 | context.reportError("Expected directive but got: ".concat(inspect(directive), "."), directive === null || directive === void 0 ? void 0 : directive.astNode);
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131 | continue;
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132 | }
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133 |
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134 |
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135 | validateName(context, directive);
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136 |
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137 |
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138 | for (var _i6 = 0, _directive$args2 = directive.args; _i6 < _directive$args2.length; _i6++) {
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139 | var arg = _directive$args2[_i6];
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140 |
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141 | validateName(context, arg);
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142 |
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143 | if (!isInputType(arg.type)) {
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144 | context.reportError("The type of @".concat(directive.name, "(").concat(arg.name, ":) must be Input Type ") + "but got: ".concat(inspect(arg.type), "."), arg.astNode);
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145 | }
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146 |
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147 | if (isRequiredArgument(arg) && arg.deprecationReason != null) {
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148 | var _arg$astNode;
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149 |
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150 | context.reportError("Required argument @".concat(directive.name, "(").concat(arg.name, ":) cannot be deprecated."), [getDeprecatedDirectiveNode(arg.astNode),
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151 | (_arg$astNode = arg.astNode) === null || _arg$astNode === void 0 ? void 0 : _arg$astNode.type]);
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152 | }
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153 | }
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154 | }
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155 | }
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156 |
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157 | function validateName(context, node) {
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158 |
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159 | var error = isValidNameError(node.name);
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160 |
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161 | if (error) {
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162 | context.addError(locatedError(error, node.astNode));
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163 | }
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164 | }
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165 |
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166 | function validateTypes(context) {
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167 | var validateInputObjectCircularRefs = createInputObjectCircularRefsValidator(context);
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168 | var typeMap = context.schema.getTypeMap();
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169 |
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170 | for (var _i8 = 0, _objectValues2 = objectValues(typeMap); _i8 < _objectValues2.length; _i8++) {
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171 | var type = _objectValues2[_i8];
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172 |
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173 |
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174 | if (!isNamedType(type)) {
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175 | context.reportError("Expected GraphQL named type but got: ".concat(inspect(type), "."), type.astNode);
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176 | continue;
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177 | }
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178 |
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179 |
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180 | if (!isIntrospectionType(type)) {
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181 | validateName(context, type);
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182 | }
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183 |
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184 | if (isObjectType(type)) {
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185 |
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186 | validateFields(context, type);
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187 |
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188 | validateInterfaces(context, type);
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189 | } else if (isInterfaceType(type)) {
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190 |
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191 | validateFields(context, type);
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192 |
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193 | validateInterfaces(context, type);
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194 | } else if (isUnionType(type)) {
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195 |
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196 | validateUnionMembers(context, type);
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197 | } else if (isEnumType(type)) {
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198 |
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199 | validateEnumValues(context, type);
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200 | } else if (isInputObjectType(type)) {
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201 |
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202 | validateInputFields(context, type);
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203 |
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204 | validateInputObjectCircularRefs(type);
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205 | }
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206 | }
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207 | }
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208 |
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209 | function validateFields(context, type) {
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210 | var fields = objectValues(type.getFields());
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211 |
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212 | if (fields.length === 0) {
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213 | context.reportError("Type ".concat(type.name, " must define one or more fields."), getAllNodes(type));
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214 | }
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215 |
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216 | for (var _i10 = 0; _i10 < fields.length; _i10++) {
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217 | var field = fields[_i10];
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218 |
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219 | validateName(context, field);
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220 |
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221 | if (!isOutputType(field.type)) {
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222 | var _field$astNode;
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223 |
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224 | context.reportError("The type of ".concat(type.name, ".").concat(field.name, " must be Output Type ") + "but got: ".concat(inspect(field.type), "."), (_field$astNode = field.astNode) === null || _field$astNode === void 0 ? void 0 : _field$astNode.type);
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225 | }
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226 |
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227 |
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228 | for (var _i12 = 0, _field$args2 = field.args; _i12 < _field$args2.length; _i12++) {
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229 | var arg = _field$args2[_i12];
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230 | var argName = arg.name;
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231 |
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232 | validateName(context, arg);
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233 |
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234 | if (!isInputType(arg.type)) {
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235 | var _arg$astNode2;
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236 |
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237 | context.reportError("The type of ".concat(type.name, ".").concat(field.name, "(").concat(argName, ":) must be Input ") + "Type but got: ".concat(inspect(arg.type), "."), (_arg$astNode2 = arg.astNode) === null || _arg$astNode2 === void 0 ? void 0 : _arg$astNode2.type);
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238 | }
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239 |
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240 | if (isRequiredArgument(arg) && arg.deprecationReason != null) {
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241 | var _arg$astNode3;
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242 |
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243 | context.reportError("Required argument ".concat(type.name, ".").concat(field.name, "(").concat(argName, ":) cannot be deprecated."), [getDeprecatedDirectiveNode(arg.astNode),
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244 | (_arg$astNode3 = arg.astNode) === null || _arg$astNode3 === void 0 ? void 0 : _arg$astNode3.type]);
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245 | }
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246 | }
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247 | }
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248 | }
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249 |
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250 | function validateInterfaces(context, type) {
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251 | var ifaceTypeNames = Object.create(null);
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252 |
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253 | for (var _i14 = 0, _type$getInterfaces2 = type.getInterfaces(); _i14 < _type$getInterfaces2.length; _i14++) {
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254 | var iface = _type$getInterfaces2[_i14];
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255 |
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256 | if (!isInterfaceType(iface)) {
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257 | context.reportError("Type ".concat(inspect(type), " must only implement Interface types, ") + "it cannot implement ".concat(inspect(iface), "."), getAllImplementsInterfaceNodes(type, iface));
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258 | continue;
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259 | }
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260 |
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261 | if (type === iface) {
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262 | context.reportError("Type ".concat(type.name, " cannot implement itself because it would create a circular reference."), getAllImplementsInterfaceNodes(type, iface));
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263 | continue;
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264 | }
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265 |
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266 | if (ifaceTypeNames[iface.name]) {
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267 | context.reportError("Type ".concat(type.name, " can only implement ").concat(iface.name, " once."), getAllImplementsInterfaceNodes(type, iface));
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268 | continue;
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269 | }
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270 |
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271 | ifaceTypeNames[iface.name] = true;
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272 | validateTypeImplementsAncestors(context, type, iface);
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273 | validateTypeImplementsInterface(context, type, iface);
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274 | }
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275 | }
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276 |
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277 | function validateTypeImplementsInterface(context, type, iface) {
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278 | var typeFieldMap = type.getFields();
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279 |
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280 | for (var _i16 = 0, _objectValues4 = objectValues(iface.getFields()); _i16 < _objectValues4.length; _i16++) {
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281 | var ifaceField = _objectValues4[_i16];
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282 | var fieldName = ifaceField.name;
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283 | var typeField = typeFieldMap[fieldName];
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284 |
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285 | if (!typeField) {
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286 | context.reportError("Interface field ".concat(iface.name, ".").concat(fieldName, " expected but ").concat(type.name, " does not provide it."), [ifaceField.astNode].concat(getAllNodes(type)));
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287 | continue;
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288 | }
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289 |
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290 |
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291 |
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292 | if (!isTypeSubTypeOf(context.schema, typeField.type, ifaceField.type)) {
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293 | var _ifaceField$astNode, _typeField$astNode;
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294 |
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295 | context.reportError("Interface field ".concat(iface.name, ".").concat(fieldName, " expects type ") + "".concat(inspect(ifaceField.type), " but ").concat(type.name, ".").concat(fieldName, " ") + "is type ".concat(inspect(typeField.type), "."), [
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296 | (_ifaceField$astNode = ifaceField.astNode) === null || _ifaceField$astNode === void 0 ? void 0 : _ifaceField$astNode.type,
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297 | (_typeField$astNode = typeField.astNode) === null || _typeField$astNode === void 0 ? void 0 : _typeField$astNode.type]);
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298 | }
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299 |
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300 |
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301 | var _loop = function _loop(_i18, _ifaceField$args2) {
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302 | var ifaceArg = _ifaceField$args2[_i18];
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303 | var argName = ifaceArg.name;
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304 | var typeArg = find(typeField.args, function (arg) {
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305 | return arg.name === argName;
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306 | });
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307 |
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308 | if (!typeArg) {
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309 | context.reportError("Interface field argument ".concat(iface.name, ".").concat(fieldName, "(").concat(argName, ":) expected but ").concat(type.name, ".").concat(fieldName, " does not provide it."), [ifaceArg.astNode, typeField.astNode]);
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310 | return "continue";
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311 | }
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312 |
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313 |
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314 |
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315 |
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316 | if (!isEqualType(ifaceArg.type, typeArg.type)) {
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317 | var _ifaceArg$astNode, _typeArg$astNode;
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318 |
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319 | context.reportError("Interface field argument ".concat(iface.name, ".").concat(fieldName, "(").concat(argName, ":) ") + "expects type ".concat(inspect(ifaceArg.type), " but ") + "".concat(type.name, ".").concat(fieldName, "(").concat(argName, ":) is type ") + "".concat(inspect(typeArg.type), "."), [
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320 | (_ifaceArg$astNode = ifaceArg.astNode) === null || _ifaceArg$astNode === void 0 ? void 0 : _ifaceArg$astNode.type,
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321 | (_typeArg$astNode = typeArg.astNode) === null || _typeArg$astNode === void 0 ? void 0 : _typeArg$astNode.type]);
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322 | }
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323 |
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324 | };
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325 |
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326 | for (var _i18 = 0, _ifaceField$args2 = ifaceField.args; _i18 < _ifaceField$args2.length; _i18++) {
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327 | var _ret = _loop(_i18, _ifaceField$args2);
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328 |
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329 | if (_ret === "continue") continue;
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330 | }
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331 |
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332 |
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333 | var _loop2 = function _loop2(_i20, _typeField$args2) {
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334 | var typeArg = _typeField$args2[_i20];
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335 | var argName = typeArg.name;
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336 | var ifaceArg = find(ifaceField.args, function (arg) {
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337 | return arg.name === argName;
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338 | });
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339 |
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340 | if (!ifaceArg && isRequiredArgument(typeArg)) {
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341 | context.reportError("Object field ".concat(type.name, ".").concat(fieldName, " includes required argument ").concat(argName, " that is missing from the Interface field ").concat(iface.name, ".").concat(fieldName, "."), [typeArg.astNode, ifaceField.astNode]);
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342 | }
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343 | };
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344 |
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345 | for (var _i20 = 0, _typeField$args2 = typeField.args; _i20 < _typeField$args2.length; _i20++) {
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346 | _loop2(_i20, _typeField$args2);
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347 | }
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348 | }
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349 | }
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350 |
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351 | function validateTypeImplementsAncestors(context, type, iface) {
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352 | var ifaceInterfaces = type.getInterfaces();
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353 |
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354 | for (var _i22 = 0, _iface$getInterfaces2 = iface.getInterfaces(); _i22 < _iface$getInterfaces2.length; _i22++) {
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355 | var transitive = _iface$getInterfaces2[_i22];
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356 |
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357 | if (ifaceInterfaces.indexOf(transitive) === -1) {
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358 | context.reportError(transitive === type ? "Type ".concat(type.name, " cannot implement ").concat(iface.name, " because it would create a circular reference.") : "Type ".concat(type.name, " must implement ").concat(transitive.name, " because it is implemented by ").concat(iface.name, "."), [].concat(getAllImplementsInterfaceNodes(iface, transitive), getAllImplementsInterfaceNodes(type, iface)));
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359 | }
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360 | }
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361 | }
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362 |
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363 | function validateUnionMembers(context, union) {
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364 | var memberTypes = union.getTypes();
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365 |
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366 | if (memberTypes.length === 0) {
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367 | context.reportError("Union type ".concat(union.name, " must define one or more member types."), getAllNodes(union));
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368 | }
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369 |
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370 | var includedTypeNames = Object.create(null);
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371 |
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372 | for (var _i24 = 0; _i24 < memberTypes.length; _i24++) {
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373 | var memberType = memberTypes[_i24];
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374 |
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375 | if (includedTypeNames[memberType.name]) {
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376 | context.reportError("Union type ".concat(union.name, " can only include type ").concat(memberType.name, " once."), getUnionMemberTypeNodes(union, memberType.name));
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377 | continue;
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378 | }
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379 |
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380 | includedTypeNames[memberType.name] = true;
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381 |
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382 | if (!isObjectType(memberType)) {
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383 | context.reportError("Union type ".concat(union.name, " can only include Object types, ") + "it cannot include ".concat(inspect(memberType), "."), getUnionMemberTypeNodes(union, String(memberType)));
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384 | }
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385 | }
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386 | }
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387 |
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388 | function validateEnumValues(context, enumType) {
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389 | var enumValues = enumType.getValues();
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390 |
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391 | if (enumValues.length === 0) {
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392 | context.reportError("Enum type ".concat(enumType.name, " must define one or more values."), getAllNodes(enumType));
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393 | }
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394 |
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395 | for (var _i26 = 0; _i26 < enumValues.length; _i26++) {
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396 | var enumValue = enumValues[_i26];
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397 | var valueName = enumValue.name;
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398 |
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399 | validateName(context, enumValue);
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400 |
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401 | if (valueName === 'true' || valueName === 'false' || valueName === 'null') {
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402 | context.reportError("Enum type ".concat(enumType.name, " cannot include value: ").concat(valueName, "."), enumValue.astNode);
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403 | }
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404 | }
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405 | }
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406 |
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407 | function validateInputFields(context, inputObj) {
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408 | var fields = objectValues(inputObj.getFields());
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409 |
|
410 | if (fields.length === 0) {
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411 | context.reportError("Input Object type ".concat(inputObj.name, " must define one or more fields."), getAllNodes(inputObj));
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412 | }
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413 |
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414 |
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415 | for (var _i28 = 0; _i28 < fields.length; _i28++) {
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416 | var field = fields[_i28];
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417 |
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418 | validateName(context, field);
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419 |
|
420 | if (!isInputType(field.type)) {
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421 | var _field$astNode2;
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422 |
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423 | context.reportError("The type of ".concat(inputObj.name, ".").concat(field.name, " must be Input Type ") + "but got: ".concat(inspect(field.type), "."), (_field$astNode2 = field.astNode) === null || _field$astNode2 === void 0 ? void 0 : _field$astNode2.type);
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424 | }
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425 |
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426 | if (isRequiredInputField(field) && field.deprecationReason != null) {
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427 | var _field$astNode3;
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428 |
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429 | context.reportError("Required input field ".concat(inputObj.name, ".").concat(field.name, " cannot be deprecated."), [getDeprecatedDirectiveNode(field.astNode),
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430 | (_field$astNode3 = field.astNode) === null || _field$astNode3 === void 0 ? void 0 : _field$astNode3.type]);
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431 | }
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432 | }
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433 | }
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434 |
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435 | function createInputObjectCircularRefsValidator(context) {
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436 |
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437 |
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438 |
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439 | var visitedTypes = Object.create(null);
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440 |
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441 | var fieldPath = [];
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442 |
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443 | var fieldPathIndexByTypeName = Object.create(null);
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444 | return detectCycleRecursive;
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445 |
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446 |
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447 |
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448 | function detectCycleRecursive(inputObj) {
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449 | if (visitedTypes[inputObj.name]) {
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450 | return;
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451 | }
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452 |
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453 | visitedTypes[inputObj.name] = true;
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454 | fieldPathIndexByTypeName[inputObj.name] = fieldPath.length;
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455 | var fields = objectValues(inputObj.getFields());
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456 |
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457 | for (var _i30 = 0; _i30 < fields.length; _i30++) {
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458 | var field = fields[_i30];
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459 |
|
460 | if (isNonNullType(field.type) && isInputObjectType(field.type.ofType)) {
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461 | var fieldType = field.type.ofType;
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462 | var cycleIndex = fieldPathIndexByTypeName[fieldType.name];
|
463 | fieldPath.push(field);
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464 |
|
465 | if (cycleIndex === undefined) {
|
466 | detectCycleRecursive(fieldType);
|
467 | } else {
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468 | var cyclePath = fieldPath.slice(cycleIndex);
|
469 | var pathStr = cyclePath.map(function (fieldObj) {
|
470 | return fieldObj.name;
|
471 | }).join('.');
|
472 | context.reportError("Cannot reference Input Object \"".concat(fieldType.name, "\" within itself through a series of non-null fields: \"").concat(pathStr, "\"."), cyclePath.map(function (fieldObj) {
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473 | return fieldObj.astNode;
|
474 | }));
|
475 | }
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476 |
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477 | fieldPath.pop();
|
478 | }
|
479 | }
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480 |
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481 | fieldPathIndexByTypeName[inputObj.name] = undefined;
|
482 | }
|
483 | }
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484 |
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485 | function getAllNodes(object) {
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486 | var astNode = object.astNode,
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487 | extensionASTNodes = object.extensionASTNodes;
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488 | return astNode ? extensionASTNodes ? [astNode].concat(extensionASTNodes) : [astNode] : extensionASTNodes !== null && extensionASTNodes !== void 0 ? extensionASTNodes : [];
|
489 | }
|
490 |
|
491 | function getAllSubNodes(object, getter) {
|
492 | var subNodes = [];
|
493 |
|
494 | for (var _i32 = 0, _getAllNodes2 = getAllNodes(object); _i32 < _getAllNodes2.length; _i32++) {
|
495 | var _getter;
|
496 |
|
497 | var node = _getAllNodes2[_i32];
|
498 |
|
499 | subNodes = subNodes.concat((_getter = getter(node)) !== null && _getter !== void 0 ? _getter : []);
|
500 | }
|
501 |
|
502 | return subNodes;
|
503 | }
|
504 |
|
505 | function getAllImplementsInterfaceNodes(type, iface) {
|
506 | return getAllSubNodes(type, function (typeNode) {
|
507 | return typeNode.interfaces;
|
508 | }).filter(function (ifaceNode) {
|
509 | return ifaceNode.name.value === iface.name;
|
510 | });
|
511 | }
|
512 |
|
513 | function getUnionMemberTypeNodes(union, typeName) {
|
514 | return getAllSubNodes(union, function (unionNode) {
|
515 | return unionNode.types;
|
516 | }).filter(function (typeNode) {
|
517 | return typeNode.name.value === typeName;
|
518 | });
|
519 | }
|
520 |
|
521 | function getDeprecatedDirectiveNode(definitionNode) {
|
522 | var _definitionNode$direc;
|
523 |
|
524 |
|
525 | return definitionNode === null || definitionNode === void 0 ? void 0 : (_definitionNode$direc = definitionNode.directives) === null || _definitionNode$direc === void 0 ? void 0 : _definitionNode$direc.find(function (node) {
|
526 | return node.name.value === GraphQLDeprecatedDirective.name;
|
527 | });
|
528 | }
|