1 | import { GraphQLEnumType, GraphQLScalarType, GraphQLUnionType, GraphQLInterfaceType, GraphQLObjectType, isSpecifiedScalarType, isScalarType, isEnumType, isUnionType, isInterfaceType, isObjectType, } from 'graphql';
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2 | import { mapSchema, MapperKind, forEachDefaultValue, serializeInputValue, healSchema, parseInputValue, forEachField, } from '@graphql-tools/utils';
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3 | import { checkForResolveTypeResolver } from './checkForResolveTypeResolver.js';
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4 | import { extendResolversFromInterfaces } from './extendResolversFromInterfaces.js';
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5 | export function addResolversToSchema({ schema, resolvers: inputResolvers, defaultFieldResolver, resolverValidationOptions = {}, inheritResolversFromInterfaces = false, updateResolversInPlace = false, }) {
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6 | const { requireResolversToMatchSchema = 'error', requireResolversForResolveType } = resolverValidationOptions;
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7 | const resolvers = inheritResolversFromInterfaces
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8 | ? extendResolversFromInterfaces(schema, inputResolvers)
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9 | : inputResolvers;
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10 | for (const typeName in resolvers) {
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11 | const resolverValue = resolvers[typeName];
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12 | const resolverType = typeof resolverValue;
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13 | if (resolverType !== 'object') {
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14 | throw new Error(`"${typeName}" defined in resolvers, but has invalid value "${resolverValue}". The resolver's value must be of type object.`);
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15 | }
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16 | const type = schema.getType(typeName);
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17 | if (type == null) {
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18 | if (requireResolversToMatchSchema === 'ignore') {
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19 | continue;
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20 | }
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21 | throw new Error(`"${typeName}" defined in resolvers, but not in schema`);
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22 | }
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23 | else if (isSpecifiedScalarType(type)) {
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24 |
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25 | for (const fieldName in resolverValue) {
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26 | if (fieldName.startsWith('__')) {
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27 | type[fieldName.substring(2)] = resolverValue[fieldName];
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28 | }
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29 | else {
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30 | type[fieldName] = resolverValue[fieldName];
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31 | }
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32 | }
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33 | }
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34 | else if (isEnumType(type)) {
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35 | const values = type.getValues();
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36 | for (const fieldName in resolverValue) {
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37 | if (!fieldName.startsWith('__') &&
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38 | !values.some(value => value.name === fieldName) &&
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39 | requireResolversToMatchSchema &&
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40 | requireResolversToMatchSchema !== 'ignore') {
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41 | throw new Error(`${type.name}.${fieldName} was defined in resolvers, but not present within ${type.name}`);
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42 | }
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43 | }
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44 | }
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45 | else if (isUnionType(type)) {
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46 | for (const fieldName in resolverValue) {
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47 | if (!fieldName.startsWith('__') &&
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48 | requireResolversToMatchSchema &&
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49 | requireResolversToMatchSchema !== 'ignore') {
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50 | throw new Error(`${type.name}.${fieldName} was defined in resolvers, but ${type.name} is not an object or interface type`);
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51 | }
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52 | }
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53 | }
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54 | else if (isObjectType(type) || isInterfaceType(type)) {
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55 | for (const fieldName in resolverValue) {
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56 | if (!fieldName.startsWith('__')) {
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57 | const fields = type.getFields();
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58 | const field = fields[fieldName];
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59 | if (field == null) {
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60 |
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61 | if (requireResolversToMatchSchema && requireResolversToMatchSchema !== 'ignore') {
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62 | throw new Error(`${typeName}.${fieldName} defined in resolvers, but not in schema`);
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63 | }
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64 | }
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65 | else {
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66 |
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67 | const fieldResolve = resolverValue[fieldName];
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68 | if (typeof fieldResolve !== 'function' && typeof fieldResolve !== 'object') {
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69 | throw new Error(`Resolver ${typeName}.${fieldName} must be object or function`);
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70 | }
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71 | }
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72 | }
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73 | }
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74 | }
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75 | }
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76 | schema = updateResolversInPlace
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77 | ? addResolversToExistingSchema(schema, resolvers, defaultFieldResolver)
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78 | : createNewSchemaWithResolvers(schema, resolvers, defaultFieldResolver);
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79 | if (requireResolversForResolveType && requireResolversForResolveType !== 'ignore') {
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80 | checkForResolveTypeResolver(schema, requireResolversForResolveType);
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81 | }
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82 | return schema;
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83 | }
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84 | function addResolversToExistingSchema(schema, resolvers, defaultFieldResolver) {
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85 | var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m;
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86 | const typeMap = schema.getTypeMap();
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87 | for (const typeName in resolvers) {
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88 | const type = schema.getType(typeName);
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89 | const resolverValue = resolvers[typeName];
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90 | if (isScalarType(type)) {
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91 | for (const fieldName in resolverValue) {
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92 | if (fieldName.startsWith('__')) {
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93 | type[fieldName.substring(2)] = resolverValue[fieldName];
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94 | }
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95 | else if (fieldName === 'astNode' && type.astNode != null) {
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96 | type.astNode = {
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97 | ...type.astNode,
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98 | description: (_b = (_a = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.astNode) === null || _a === void 0 ? void 0 : _a.description) !== null && _b !== void 0 ? _b : type.astNode.description,
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99 | directives: ((_c = type.astNode.directives) !== null && _c !== void 0 ? _c : []).concat((_e = (_d = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.astNode) === null || _d === void 0 ? void 0 : _d.directives) !== null && _e !== void 0 ? _e : []),
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100 | };
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101 | }
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102 | else if (fieldName === 'extensionASTNodes' && type.extensionASTNodes != null) {
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103 | type.extensionASTNodes = type.extensionASTNodes.concat((_f = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.extensionASTNodes) !== null && _f !== void 0 ? _f : []);
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104 | }
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105 | else if (fieldName === 'extensions' &&
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106 | type.extensions != null &&
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107 | resolverValue.extensions != null) {
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108 | type.extensions = Object.assign(Object.create(null), type.extensions, resolverValue.extensions);
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109 | }
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110 | else {
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111 | type[fieldName] = resolverValue[fieldName];
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112 | }
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113 | }
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114 | }
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115 | else if (isEnumType(type)) {
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116 | const config = type.toConfig();
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117 | const enumValueConfigMap = config.values;
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118 | for (const fieldName in resolverValue) {
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119 | if (fieldName.startsWith('__')) {
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120 | config[fieldName.substring(2)] = resolverValue[fieldName];
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121 | }
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122 | else if (fieldName === 'astNode' && config.astNode != null) {
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123 | config.astNode = {
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124 | ...config.astNode,
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125 | description: (_h = (_g = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.astNode) === null || _g === void 0 ? void 0 : _g.description) !== null && _h !== void 0 ? _h : config.astNode.description,
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126 | directives: ((_j = config.astNode.directives) !== null && _j !== void 0 ? _j : []).concat((_l = (_k = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.astNode) === null || _k === void 0 ? void 0 : _k.directives) !== null && _l !== void 0 ? _l : []),
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127 | };
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128 | }
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129 | else if (fieldName === 'extensionASTNodes' && config.extensionASTNodes != null) {
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130 | config.extensionASTNodes = config.extensionASTNodes.concat((_m = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.extensionASTNodes) !== null && _m !== void 0 ? _m : []);
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131 | }
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132 | else if (fieldName === 'extensions' &&
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133 | type.extensions != null &&
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134 | resolverValue.extensions != null) {
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135 | type.extensions = Object.assign(Object.create(null), type.extensions, resolverValue.extensions);
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136 | }
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137 | else if (enumValueConfigMap[fieldName]) {
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138 | enumValueConfigMap[fieldName].value = resolverValue[fieldName];
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139 | }
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140 | }
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141 | typeMap[typeName] = new GraphQLEnumType(config);
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142 | }
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143 | else if (isUnionType(type)) {
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144 | for (const fieldName in resolverValue) {
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145 | if (fieldName.startsWith('__')) {
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146 | type[fieldName.substring(2)] = resolverValue[fieldName];
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147 | }
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148 | }
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149 | }
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150 | else if (isObjectType(type) || isInterfaceType(type)) {
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151 | for (const fieldName in resolverValue) {
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152 | if (fieldName.startsWith('__')) {
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153 |
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154 | type[fieldName.substring(2)] = resolverValue[fieldName];
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155 | continue;
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156 | }
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157 | const fields = type.getFields();
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158 | const field = fields[fieldName];
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159 | if (field != null) {
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160 | const fieldResolve = resolverValue[fieldName];
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161 | if (typeof fieldResolve === 'function') {
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162 |
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163 | field.resolve = fieldResolve.bind(resolverValue);
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164 | }
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165 | else {
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166 | setFieldProperties(field, fieldResolve);
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167 | }
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168 | }
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169 | }
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170 | }
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171 | }
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172 |
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173 | forEachDefaultValue(schema, serializeInputValue);
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174 |
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175 | healSchema(schema);
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176 |
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177 | forEachDefaultValue(schema, parseInputValue);
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178 | if (defaultFieldResolver != null) {
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179 | forEachField(schema, field => {
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180 | if (!field.resolve) {
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181 | field.resolve = defaultFieldResolver;
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182 | }
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183 | });
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184 | }
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185 | return schema;
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186 | }
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187 | function createNewSchemaWithResolvers(schema, resolvers, defaultFieldResolver) {
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188 | schema = mapSchema(schema, {
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189 | [MapperKind.SCALAR_TYPE]: type => {
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190 | var _a, _b, _c, _d, _e, _f;
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191 | const config = type.toConfig();
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192 | const resolverValue = resolvers[type.name];
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193 | if (!isSpecifiedScalarType(type) && resolverValue != null) {
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194 | for (const fieldName in resolverValue) {
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195 | if (fieldName.startsWith('__')) {
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196 | config[fieldName.substring(2)] = resolverValue[fieldName];
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197 | }
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198 | else if (fieldName === 'astNode' && config.astNode != null) {
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199 | config.astNode = {
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200 | ...config.astNode,
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201 | description: (_b = (_a = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.astNode) === null || _a === void 0 ? void 0 : _a.description) !== null && _b !== void 0 ? _b : config.astNode.description,
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202 | directives: ((_c = config.astNode.directives) !== null && _c !== void 0 ? _c : []).concat((_e = (_d = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.astNode) === null || _d === void 0 ? void 0 : _d.directives) !== null && _e !== void 0 ? _e : []),
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203 | };
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204 | }
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205 | else if (fieldName === 'extensionASTNodes' && config.extensionASTNodes != null) {
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206 | config.extensionASTNodes = config.extensionASTNodes.concat((_f = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.extensionASTNodes) !== null && _f !== void 0 ? _f : []);
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207 | }
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208 | else if (fieldName === 'extensions' &&
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209 | config.extensions != null &&
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210 | resolverValue.extensions != null) {
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211 | config.extensions = Object.assign(Object.create(null), type.extensions, resolverValue.extensions);
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212 | }
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213 | else {
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214 | config[fieldName] = resolverValue[fieldName];
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215 | }
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216 | }
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217 | return new GraphQLScalarType(config);
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218 | }
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219 | },
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220 | [MapperKind.ENUM_TYPE]: type => {
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221 | var _a, _b, _c, _d, _e, _f;
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222 | const resolverValue = resolvers[type.name];
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223 | const config = type.toConfig();
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224 | const enumValueConfigMap = config.values;
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225 | if (resolverValue != null) {
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226 | for (const fieldName in resolverValue) {
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227 | if (fieldName.startsWith('__')) {
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228 | config[fieldName.substring(2)] = resolverValue[fieldName];
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229 | }
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230 | else if (fieldName === 'astNode' && config.astNode != null) {
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231 | config.astNode = {
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232 | ...config.astNode,
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233 | description: (_b = (_a = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.astNode) === null || _a === void 0 ? void 0 : _a.description) !== null && _b !== void 0 ? _b : config.astNode.description,
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234 | directives: ((_c = config.astNode.directives) !== null && _c !== void 0 ? _c : []).concat((_e = (_d = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.astNode) === null || _d === void 0 ? void 0 : _d.directives) !== null && _e !== void 0 ? _e : []),
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235 | };
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236 | }
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237 | else if (fieldName === 'extensionASTNodes' && config.extensionASTNodes != null) {
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238 | config.extensionASTNodes = config.extensionASTNodes.concat((_f = resolverValue === null || resolverValue === void 0 ? void 0 : resolverValue.extensionASTNodes) !== null && _f !== void 0 ? _f : []);
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239 | }
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240 | else if (fieldName === 'extensions' &&
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241 | config.extensions != null &&
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242 | resolverValue.extensions != null) {
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243 | config.extensions = Object.assign(Object.create(null), type.extensions, resolverValue.extensions);
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244 | }
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245 | else if (enumValueConfigMap[fieldName]) {
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246 | enumValueConfigMap[fieldName].value = resolverValue[fieldName];
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247 | }
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248 | }
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249 | return new GraphQLEnumType(config);
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250 | }
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251 | },
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252 | [MapperKind.UNION_TYPE]: type => {
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253 | const resolverValue = resolvers[type.name];
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254 | if (resolverValue != null) {
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255 | const config = type.toConfig();
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256 | if (resolverValue['__resolveType']) {
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257 | config.resolveType = resolverValue['__resolveType'];
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258 | }
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259 | return new GraphQLUnionType(config);
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260 | }
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261 | },
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262 | [MapperKind.OBJECT_TYPE]: type => {
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263 | const resolverValue = resolvers[type.name];
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264 | if (resolverValue != null) {
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265 | const config = type.toConfig();
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266 | if (resolverValue['__isTypeOf']) {
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267 | config.isTypeOf = resolverValue['__isTypeOf'];
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268 | }
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269 | return new GraphQLObjectType(config);
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270 | }
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271 | },
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272 | [MapperKind.INTERFACE_TYPE]: type => {
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273 | const resolverValue = resolvers[type.name];
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274 | if (resolverValue != null) {
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275 | const config = type.toConfig();
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276 | if (resolverValue['__resolveType']) {
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277 | config.resolveType = resolverValue['__resolveType'];
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278 | }
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279 | return new GraphQLInterfaceType(config);
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280 | }
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281 | },
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282 | [MapperKind.COMPOSITE_FIELD]: (fieldConfig, fieldName, typeName) => {
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283 | const resolverValue = resolvers[typeName];
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284 | if (resolverValue != null) {
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285 | const fieldResolve = resolverValue[fieldName];
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286 | if (fieldResolve != null) {
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287 | const newFieldConfig = { ...fieldConfig };
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288 | if (typeof fieldResolve === 'function') {
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289 |
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290 | newFieldConfig.resolve = fieldResolve.bind(resolverValue);
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291 | }
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292 | else {
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293 | setFieldProperties(newFieldConfig, fieldResolve);
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294 | }
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295 | return newFieldConfig;
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296 | }
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297 | }
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298 | },
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299 | });
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300 | if (defaultFieldResolver != null) {
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301 | schema = mapSchema(schema, {
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302 | [MapperKind.OBJECT_FIELD]: fieldConfig => ({
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303 | ...fieldConfig,
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304 | resolve: fieldConfig.resolve != null ? fieldConfig.resolve : defaultFieldResolver,
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305 | }),
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306 | });
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307 | }
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308 | return schema;
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309 | }
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310 | function setFieldProperties(field, propertiesObj) {
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311 | for (const propertyName in propertiesObj) {
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312 | field[propertyName] = propertiesObj[propertyName];
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313 | }
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314 | }
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