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packages/loaders/json-schema/src/directives.ts

@@ -87,27 +87,20 @@ export const DiscriminatorDirective = new GraphQLDirective({
  field: {
  type: GraphQLString,
  },
- },
-});
-
-export const DiscriminatorMappingDirective = new GraphQLDirective({
- name: 'discriminatorMapping',
- locations: [DirectiveLocation.INTERFACE, DirectiveLocation.UNION],
- args: {
- value: {
- type: GraphQLString,
- },
- schema: {
- type: GraphQLString,
+ mapping: {
+ type: ObjMapScalar,
  },
  },
 });
 
-export function processDiscriminatorAnnotations(
- interfaceType: GraphQLInterfaceType,
- fieldName: string,
-) {
- interfaceType.resolveType = root => root[fieldName];
+export function processDiscriminatorAnnotations({
+ interfaceType,
+ discriminatorFieldName,
+}: {
+ interfaceType: GraphQLInterfaceType;
+ discriminatorFieldName: string;
+}) {
+ interfaceType.resolveType = root => root[discriminatorFieldName];
 }
 
 export const ResolveRootDirective = new GraphQLDirective({
@@ -570,7 +563,10 @@ export function processDirectives({
  for (const directiveAnnotation of directiveAnnotations) {
  switch (directiveAnnotation.name) {
  case 'discriminator':
- processDiscriminatorAnnotations(type, directiveAnnotation.args.field);
+ processDiscriminatorAnnotations({
+ interfaceType: type,
+ discriminatorFieldName: directiveAnnotation.args.field,
+ });
  break;
  }
  }
@@ -579,6 +575,7 @@ export function processDirectives({
  const directiveAnnotations = getDirectives(schema, type);
  let statusCodeTypeNameIndexMap: Record<number, string>;
  let discriminatorField: string;
+ let discriminatorMapping: Record<string, string>;
  for (const directiveAnnotation of directiveAnnotations) {
  switch (directiveAnnotation.name) {
  case 'statusCodeTypeName':
@@ -588,14 +585,16 @@ export function processDirectives({
  break;
  case 'discriminator':
  discriminatorField = directiveAnnotation.args.field;
+ discriminatorMapping = directiveAnnotation.args.mapping;
  break;
  }
  }
- type.resolveType = getTypeResolverFromOutputTCs(
- type.getTypes(),
+ type.resolveType = getTypeResolverFromOutputTCs({
+ possibleTypes: type.getTypes(),
  discriminatorField,
- statusCodeTypeNameIndexMap,
- );
+ discriminatorMapping,
+ statusCodeTypeNameMap: statusCodeTypeNameIndexMap,
+ });
  }
  if (isEnumType(type)) {
  const directiveAnnotations = getDirectives(schema, type);

packages/loaders/json-schema/src/getComposerFromJSONSchema.ts

@@ -54,7 +54,6 @@ import { sanitizeNameForGraphQL } from '@graphql-mesh/utils';
 import {
  DictionaryDirective,
  DiscriminatorDirective,
- DiscriminatorMappingDirective,
  EnumDirective,
  ExampleDirective,
  LengthDirective,
@@ -738,26 +737,19 @@ export function getComposerFromJSONSchema(
  }
  if (subSchema.discriminator?.propertyName) {
  schemaComposer.addDirective(DiscriminatorDirective);
+ const mappingByName: Record<string, string> = {};
+ for (const discriminatorValue in subSchema.discriminator.mapping) {
+ const ref = subSchema.discriminator.mapping[discriminatorValue];
+ const typeName = ref.replace('#/components/schemas/', '');
+ mappingByName[discriminatorValue] = typeName;
+ }
  directives.push({
  name: 'discriminator',
  args: {
  field: subSchema.discriminator.propertyName,
+ mapping: mappingByName,
  },
  });
-
- if (subSchema.discriminator.mapping) {
- schemaComposer.addDirective(DiscriminatorMappingDirective);
- Object.keys(subSchema.discriminator.mapping).forEach(value => {
- const mappedSchema = subSchema.discriminator.mapping[value].split('schemas/')[1];
- directives.push({
- name: 'discriminatorMapping',
- args: {
- value,
- schema: mappedSchema,
- },
- });
- });
- }
  }
  const output = schemaComposer.createUnionTC({
  name: getValidTypeName({

packages/loaders/json-schema/src/getTypeResolverFromOutputTCs.ts

@@ -1,17 +1,23 @@
 import { GraphQLObjectType, GraphQLTypeResolver } from 'graphql';
 import { createGraphQLError } from '@graphql-tools/utils';
 
-export function getTypeResolverFromOutputTCs(
- possibleTypes: readonly GraphQLObjectType[],
- discriminatorField?: string,
- discriminatorMapping?: Record<string, string>,
- statusCodeTypeNameMap?: Record<string, string>,
-): GraphQLTypeResolver<any, any> {
+export function getTypeResolverFromOutputTCs({
+ possibleTypes,
+ discriminatorField,
+ discriminatorMapping,
+ statusCodeTypeNameMap,
+}: {
+ possibleTypes: readonly GraphQLObjectType[];
+ discriminatorField?: string;
+ discriminatorMapping?: Record<string, string>;
+ statusCodeTypeNameMap?: Record<string, string>;
+}): GraphQLTypeResolver<any, any> {
  return function resolveType(data: any) {
  if (data.__typename) {
  return data.__typename;
  } else if (discriminatorField != null && data[discriminatorField]) {
- return discriminatorMapping[data[discriminatorField]] || data[discriminatorField];
+ const discriminatorValue = data[discriminatorField];
+ return discriminatorMapping?.[discriminatorValue] || discriminatorValue;
  }
  if (data.$statusCode && statusCodeTypeNameMap) {
  const typeName =

packages/loaders/openapi/package.json

@@ -44,6 +44,7 @@
  },
  "devDependencies": {
  "@graphql-tools/utils": "9.2.1",
+ "@whatwg-node/fetch": "0.8.4",
  "@whatwg-node/router": "0.3.0",
  "graphql-yoga": "3.8.0",
  "json-bigint-patch": "0.0.8"

packages/loaders/openapi/tests/__snapshots__/discriminator.test.ts.snap

@@ -0,0 +1,45 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Discriminator Mapping should generate correct schema: discriminator-mapping 1`] = `
+"schema {
+ query: Query
+}
+
+directive @oneOf on OBJECT | INTERFACE
+
+directive @discriminator(field: String, mapping: ObjMap) on INTERFACE | UNION
+
+directive @globalOptions(sourceName: String, endpoint: String, operationHeaders: ObjMap, queryStringOptions: ObjMap, queryParams: ObjMap) on OBJECT
+
+directive @httpOperation(path: String, operationSpecificHeaders: ObjMap, httpMethod: HTTPMethod, isBinary: Boolean, requestBaseBody: ObjMap, queryParamArgMap: ObjMap, queryStringOptionsByParam: ObjMap) on FIELD_DEFINITION
+
+type Query @globalOptions(sourceName: "test") {
+ pets_by_id(id: String!): Pet @httpOperation(path: "/pets/{args.id}", operationSpecificHeaders: "{\\"accept\\":\\"application/json\\"}", httpMethod: GET)
+}
+
+union Pet @discriminator(field: "petType", mapping: "{\\"Dog\\":\\"DogDifferent\\",\\"Cat\\":\\"Cat\\"}") = Cat | DogDifferent
+
+type Cat {
+ petType: String
+ cat_exclusive: String
+}
+
+type DogDifferent {
+ petType: String
+ dog_exclusive: String
+}
+
+scalar ObjMap
+
+enum HTTPMethod {
+ GET
+ HEAD
+ POST
+ PUT
+ DELETE
+ CONNECT
+ OPTIONS
+ TRACE
+ PATCH
+}"
+`;

packages/loaders/openapi/tests/__snapshots__/schemas.test.ts.snap

@@ -41929,52 +41929,6 @@ enum HTTPMethod {
 }"
 `;
 
-exports[`Schemas DiscriminatorMapping should generate the correct schema: DiscriminatorMapping 1`] = `
-"schema {
- query: Query
-}
-
-directive @oneOf on OBJECT | INTERFACE
-
-directive @discriminator(field: String) on INTERFACE | UNION
-
-directive @discriminatorMapping(value: String, schema: String) on INTERFACE | UNION
-
-directive @globalOptions(sourceName: String, endpoint: String, operationHeaders: ObjMap, queryStringOptions: ObjMap, queryParams: ObjMap) on OBJECT
-
-directive @httpOperation(path: String, operationSpecificHeaders: ObjMap, httpMethod: HTTPMethod, isBinary: Boolean, requestBaseBody: ObjMap, queryParamArgMap: ObjMap, queryStringOptionsByParam: ObjMap) on FIELD_DEFINITION
-
-type Query @globalOptions(sourceName: "DiscriminatorMapping") {
- pets_by_id(id: String!): Pet @httpOperation(path: "/pets/{args.id}", operationSpecificHeaders: "{\\"accept\\":\\"application/json\\"}", httpMethod: GET)
-}
-
-union Pet @discriminator(field: "petType") @discriminatorMapping(value: "Dog", schema: "DogDifferent") @discriminatorMapping(value: "Cat", schema: "Cat") = Cat | DogDifferent
-
-type Cat {
- petType: String
- cat_exclusive: String
-}
-
-type DogDifferent {
- petType: String
- dog_exclusive: String
-}
-
-scalar ObjMap
-
-enum HTTPMethod {
- GET
- HEAD
- POST
- PUT
- DELETE
- CONNECT
- OPTIONS
- TRACE
- PATCH
-}"
-`;
-
 exports[`Schemas GitHub should generate the correct schema: GitHub 1`] = `
 "schema {
  query: Query
@@ -49695,9 +49649,7 @@ directive @example(value: ObjMap) repeatable on FIELD_DEFINITION | OBJECT | INPU
 
 directive @oneOf on OBJECT | INTERFACE
 
-directive @discriminator(field: String) on INTERFACE | UNION
-
-directive @discriminatorMapping(value: String, schema: String) on INTERFACE | UNION
+directive @discriminator(field: String, mapping: ObjMap) on INTERFACE | UNION
 
 directive @globalOptions(sourceName: String, endpoint: String, operationHeaders: ObjMap, queryStringOptions: ObjMap, queryParams: ObjMap) on OBJECT
 
@@ -49740,7 +49692,7 @@ type TicketMessageGet {
  Author: PersonGet @link(defaultRootType: "Mutation", defaultField: "TicketMessagesUpdateTicketMessage")
 }
 
-union PersonGet @discriminator(field: "_resolveType") @discriminatorMapping(value: "user", schema: "UserGet") @discriminatorMapping(value: "company", schema: "CompanyGet") = CompanyGet | UserGet
+union PersonGet @discriminator(field: "_resolveType", mapping: "{\\"user\\":\\"UserGet\\",\\"company\\":\\"CompanyGet\\"}") = CompanyGet | UserGet
 
 type CompanyGet {
  _resolveType: company_const!
@@ -50388,9 +50340,7 @@ directive @resolveRoot on FIELD_DEFINITION
 
 directive @example(value: ObjMap) repeatable on FIELD_DEFINITION | OBJECT | INPUT_OBJECT | ENUM | SCALAR
 
-directive @discriminator(field: String) on INTERFACE | UNION
-
-directive @discriminatorMapping(value: String, schema: String) on INTERFACE | UNION
+directive @discriminator(field: String, mapping: ObjMap) on INTERFACE | UNION
 
 directive @dictionary on FIELD_DEFINITION
 
@@ -53410,7 +53360,7 @@ type PageBeanCustomFieldContextDefaultValue {
  values: [CustomFieldContextDefaultValue]
 }
 
-union CustomFieldContextDefaultValue @discriminator(field: "type") @discriminatorMapping(value: "option.cascading", schema: "CustomFieldContextDefaultValueCascadingOption") @discriminatorMapping(value: "option.multiple", schema: "CustomFieldContextDefaultValueMultipleOption") @discriminatorMapping(value: "option.single", schema: "CustomFieldContextDefaultValueSingleOption") @discriminatorMapping(value: "single.user.select", schema: "CustomFieldContextSingleUserPickerDefaults") @discriminatorMapping(value: "multi.user.select", schema: "CustomFieldContextDefaultValueMultiUserPicker") @discriminatorMapping(value: "grouppicker.single", schema: "CustomFieldContextDefaultValueSingleGroupPicker") @discriminatorMapping(value: "grouppicker.multiple", schema: "CustomFieldContextDefaultValueMultipleGroupPicker") @discriminatorMapping(value: "datepicker", schema: "CustomFieldContextDefaultValueDate") @discriminatorMapping(value: "datetimepicker", schema: "CustomFieldContextDefaultValueDateTime") @discriminatorMapping(value: "url", schema: "CustomFieldContextDefaultValueURL") @discriminatorMapping(value: "project", schema: "CustomFieldContextDefaultValueProject") @discriminatorMapping(value: "float", schema: "CustomFieldContextDefaultValueFloat") @discriminatorMapping(value: "labels", schema: "CustomFieldContextDefaultValueLabels") @discriminatorMapping(value: "textfield", schema: "CustomFieldContextDefaultValueTextField") @discriminatorMapping(value: "textarea", schema: "CustomFieldContextDefaultValueTextArea") @discriminatorMapping(value: "readonly", schema: "CustomFieldContextDefaultValueReadOnly") @discriminatorMapping(value: "version.single", schema: "CustomFieldContextDefaultValueSingleVersionPicker") @discriminatorMapping(value: "version.multiple", schema: "CustomFieldContextDefaultValueMultipleVersionPicker") @discriminatorMapping(value: "forge.string", schema: "CustomFieldContextDefaultValueForgeStringField") @discriminatorMapping(value: "forge.string.list", schema: "CustomFieldContextDefaultValueForgeMultiStringField") @discriminatorMapping(value: "forge.object", schema: "CustomFieldContextDefaultValueForgeObjectField") @discriminatorMapping(value: "forge.datetime", schema: "CustomFieldContextDefaultValueForgeDateTimeField") @discriminatorMapping(value: "forge.group", schema: "CustomFieldContextDefaultValueForgeGroupField") @discriminatorMapping(value: "forge.group.list", schema: "CustomFieldContextDefaultValueForgeMultiGroupField") @discriminatorMapping(value: "forge.number", schema: "CustomFieldContextDefaultValueForgeNumberField") @discriminatorMapping(value: "forge.user", schema: "CustomFieldContextDefaultValueForgeUserField") @discriminatorMapping(value: "forge.user.list", schema: "CustomFieldContextDefaultValueForgeMultiUserField") = CustomFieldContextDefaultValueCascadingOption | CustomFieldContextDefaultValueMultipleOption | CustomFieldContextDefaultValueSingleOption | CustomFieldContextSingleUserPickerDefaults | CustomFieldContextDefaultValueMultiUserPicker | CustomFieldContextDefaultValueSingleGroupPicker | CustomFieldContextDefaultValueMultipleGroupPicker | CustomFieldContextDefaultValueDate | CustomFieldContextDefaultValueDateTime | CustomFieldContextDefaultValueURL | CustomFieldContextDefaultValueProject | CustomFieldContextDefaultValueFloat | CustomFieldContextDefaultValueLabels | CustomFieldContextDefaultValueTextField | CustomFieldContextDefaultValueTextArea | CustomFieldContextDefaultValueReadOnly | CustomFieldContextDefaultValueSingleVersionPicker | CustomFieldContextDefaultValueMultipleVersionPicker | CustomFieldContextDefaultValueForgeStringField | CustomFieldContextDefaultValueForgeMultiStringField | CustomFieldContextDefaultValueForgeObjectField | CustomFieldContextDefaultValueForgeDateTimeField | CustomFieldContextDefaultValueForgeGroupField | CustomFieldContextDefaultValueForgeMultiGroupField | CustomFieldContextDefaultValueForgeNumberField | CustomFieldContextDefaultValueForgeUserField | CustomFieldContextDefaultValueForgeMultiUserField
+union CustomFieldContextDefaultValue @discriminator(field: "type", mapping: "{\\"option.cascading\\":\\"CustomFieldContextDefaultValueCascadingOption\\",\\"option.multiple\\":\\"CustomFieldContextDefaultValueMultipleOption\\",\\"option.single\\":\\"CustomFieldContextDefaultValueSingleOption\\",\\"single.user.select\\":\\"CustomFieldContextSingleUserPickerDefaults\\",\\"multi.user.select\\":\\"CustomFieldContextDefaultValueMultiUserPicker\\",\\"grouppicker.single\\":\\"CustomFieldContextDefaultValueSingleGroupPicker\\",\\"grouppicker.multiple\\":\\"CustomFieldContextDefaultValueMultipleGroupPicker\\",\\"datepicker\\":\\"CustomFieldContextDefaultValueDate\\",\\"datetimepicker\\":\\"CustomFieldContextDefaultValueDateTime\\",\\"url\\":\\"CustomFieldContextDefaultValueURL\\",\\"project\\":\\"CustomFieldContextDefaultValueProject\\",\\"float\\":\\"CustomFieldContextDefaultValueFloat\\",\\"labels\\":\\"CustomFieldContextDefaultValueLabels\\",\\"textfield\\":\\"CustomFieldContextDefaultValueTextField\\",\\"textarea\\":\\"CustomFieldContextDefaultValueTextArea\\",\\"readonly\\":\\"CustomFieldContextDefaultValueReadOnly\\",\\"version.single\\":\\"CustomFieldContextDefaultValueSingleVersionPicker\\",\\"version.multiple\\":\\"CustomFieldContextDefaultValueMultipleVersionPicker\\",\\"forge.string\\":\\"CustomFieldContextDefaultValueForgeStringField\\",\\"forge.string.list\\":\\"CustomFieldContextDefaultValueForgeMultiStringField\\",\\"forge.object\\":\\"CustomFieldContextDefaultValueForgeObjectField\\",\\"forge.datetime\\":\\"CustomFieldContextDefaultValueForgeDateTimeField\\",\\"forge.group\\":\\"CustomFieldContextDefaultValueForgeGroupField\\",\\"forge.group.list\\":\\"CustomFieldContextDefaultValueForgeMultiGroupField\\",\\"forge.number\\":\\"CustomFieldContextDefaultValueForgeNumberField\\",\\"forge.user\\":\\"CustomFieldContextDefaultValueForgeUserField\\",\\"forge.user.list\\":\\"CustomFieldContextDefaultValueForgeMultiUserField\\"}") = CustomFieldContextDefaultValueCascadingOption | CustomFieldContextDefaultValueMultipleOption | CustomFieldContextDefaultValueSingleOption | CustomFieldContextSingleUserPickerDefaults | CustomFieldContextDefaultValueMultiUserPicker | CustomFieldContextDefaultValueSingleGroupPicker | CustomFieldContextDefaultValueMultipleGroupPicker | CustomFieldContextDefaultValueDate | CustomFieldContextDefaultValueDateTime | CustomFieldContextDefaultValueURL | CustomFieldContextDefaultValueProject | CustomFieldContextDefaultValueFloat | CustomFieldContextDefaultValueLabels | CustomFieldContextDefaultValueTextField | CustomFieldContextDefaultValueTextArea | CustomFieldContextDefaultValueReadOnly | CustomFieldContextDefaultValueSingleVersionPicker | CustomFieldContextDefaultValueMultipleVersionPicker | CustomFieldContextDefaultValueForgeStringField | CustomFieldContextDefaultValueForgeMultiStringField | CustomFieldContextDefaultValueForgeObjectField | CustomFieldContextDefaultValueForgeDateTimeField | CustomFieldContextDefaultValueForgeGroupField | CustomFieldContextDefaultValueForgeMultiGroupField | CustomFieldContextDefaultValueForgeNumberField | CustomFieldContextDefaultValueForgeUserField | CustomFieldContextDefaultValueForgeMultiUserField
 
 "The default value for a cascading select custom field."
 type CustomFieldContextDefaultValueCascadingOption {
@@ -56867,7 +56817,7 @@ type WorkflowRules {
 }
 
 "The workflow transition rule conditions tree."
-union WorkflowCondition @discriminator(field: "nodeType") @discriminatorMapping(value: "simple", schema: "WorkflowSimpleCondition") @discriminatorMapping(value: "compound", schema: "WorkflowCompoundCondition") = WorkflowSimpleCondition | WorkflowCompoundCondition
+union WorkflowCondition @discriminator(field: "nodeType", mapping: "{\\"simple\\":\\"WorkflowSimpleCondition\\",\\"compound\\":\\"WorkflowCompoundCondition\\"}") = WorkflowSimpleCondition | WorkflowCompoundCondition
 
 "A workflow transition rule condition. This object returns \`nodeType\` as \`simple\`."
 type WorkflowSimpleCondition {
@@ -90579,7 +90529,7 @@ exports[`Schemas Pet should generate the correct schema: Pet 1`] = `
  query: Query
 }
 
-directive @discriminator(field: String) on INTERFACE | UNION
+directive @discriminator(field: String, mapping: ObjMap) on INTERFACE | UNION
 
 directive @globalOptions(sourceName: String, endpoint: String, operationHeaders: ObjMap, queryStringOptions: ObjMap, queryParams: ObjMap) on OBJECT