improv: support union/intersection in schema name

Author: vmarchaud

src/resolve.ts

@@ -160,6 +160,14 @@ export function resolve (
       const subjectType = type.getTypeArguments()[0] ?? type.getAliasTypeArguments()[0]
       const name = type.getSymbol()?.getEscapedName() !== '__type' ? type.getSymbol()?.getEscapedName() : helperName
       typeName = `${name}_${retrieveTypeName(subjectType)}`
+    } else if ((type.getAliasTypeArguments().length === 1 || type.getTypeArguments().length === 1) && (type.getTypeArguments()[0] ?? type.getAliasTypeArguments()[0])?.isUnion() === true) { // i.e. Serialized<WorkerDatasource | ProxyDatasource> -> Serialized_Union_WorkerDatasource_ProxyDatasource
+      const subjectType = type.getTypeArguments()[0] ?? type.getAliasTypeArguments()[0]
+      const name = type.getSymbol()?.getEscapedName() !== '__type' ? type.getSymbol()?.getEscapedName() : helperName
+      typeName = `${name}_Union_${subjectType.getUnionTypes().map(t => retrieveTypeName(t)).join('_')}`
+    } else if ((type.getAliasTypeArguments().length === 1 || type.getTypeArguments().length === 1) && (type.getTypeArguments()[0] ?? type.getAliasTypeArguments()[0])?.isIntersection() === true) { // i.e. Serialized<WorkerDatasource & ProxyDatasource> -> Serialized_Intersection_WorkerDatasource_ProxyDatasource
+      const subjectType = type.getTypeArguments()[0] ?? type.getAliasTypeArguments()[0]
+      const name = type.getSymbol()?.getEscapedName() !== '__type' ? type.getSymbol()?.getEscapedName() : helperName
+      typeName = `${name}_Intersection_${subjectType.getIntersectionTypes().map(t => retrieveTypeName(t)).join('_')}`
     } else if (isTypeIdentifier(type) === false) { // For other and anonymous types, don't use ref
       return resolveObjectType(type, spec)
     }

tests/fixture/response-object.ts

@@ -5,6 +5,9 @@ type SuccessResponse<T extends any> = { data: T }
 type Entity = {
   name: string
 }
+type Entity2 = {
+  name: number
+}
 
 @Route('/my-3nd-controller/')
 @Security({ company: [] })
@@ -13,6 +16,14 @@ export class My3ndController {
   public async list (): Promise<SuccessResponse<Entity[]>> {
     return { data: [{ name: 'foo' }] }
   }
+  @Get('/example')
+  public async getIntersection (): Promise<SuccessResponse<Entity & { example: string }>> {
+    return { data: { name: 'foo', example: '' } }
+  }
+  @Get('/union')
+  public async getUnion (): Promise<SuccessResponse<Entity| Entity2>> {
+    return { data: { name: 'foo' } }
+  }
   @Post('/')
   public async create (): Promise<SuccessResponse<Entity>> {
     return { data: { name: 'foo' } }

tests/snapshots/openapi.test.ts.md

@@ -82,6 +82,54 @@ Generated by [AVA](https://avajs.dev).
     				],␊
     				"operationId": "Update"␊
     			}␊
+    		},␊
+    		"/my-3nd-controller/example": {␊
+    			"get": {␊
+    				"parameters": [],␊
+    				"responses": {␊
+    					"200": {␊
+    						"description": "Ok",␊
+    						"content": {␊
+    							"application/json": {␊
+    								"schema": {␊
+    									"$ref": "#/components/schemas/SuccessResponse_Intersection_Entity_example-string"␊
+    								}␊
+    							}␊
+    						}␊
+    					}␊
+    				},␊
+    				"tags": [],␊
+    				"security": [␊
+    					{␊
+    						"company": []␊
+    					}␊
+    				],␊
+    				"operationId": "GetIntersection"␊
+    			}␊
+    		},␊
+    		"/my-3nd-controller/union": {␊
+    			"get": {␊
+    				"parameters": [],␊
+    				"responses": {␊
+    					"200": {␊
+    						"description": "Ok",␊
+    						"content": {␊
+    							"application/json": {␊
+    								"schema": {␊
+    									"$ref": "#/components/schemas/SuccessResponse_Union_Entity_Entity2"␊
+    								}␊
+    							}␊
+    						}␊
+    					}␊
+    				},␊
+    				"tags": [],␊
+    				"security": [␊
+    					{␊
+    						"company": []␊
+    					}␊
+    				],␊
+    				"operationId": "GetUnion"␊
+    			}␊
     		}␊
     	},␊
     	"components": {␊
@@ -111,6 +159,61 @@ Generated by [AVA](https://avajs.dev).
     					"data"␊
     				]␊
     			},␊
+    			"SuccessResponse_Intersection_Entity_example-string": {␊
+    				"type": "object",␊
+    				"properties": {␊
+    					"data": {␊
+    						"allOf": [␊
+    							{␊
+    								"$ref": "#/components/schemas/Entity"␊
+    							},␊
+    							{␊
+    								"type": "object",␊
+    								"properties": {␊
+    									"example": {␊
+    										"type": "string"␊
+    									}␊
+    								},␊
+    								"required": [␊
+    									"example"␊
+    								]␊
+    							}␊
+    						]␊
+    					}␊
+    				},␊
+    				"required": [␊
+    					"data"␊
+    				]␊
+    			},␊
+    			"Entity2": {␊
+    				"type": "object",␊
+    				"properties": {␊
+    					"name": {␊
+    						"type": "number"␊
+    					}␊
+    				},␊
+    				"required": [␊
+    					"name"␊
+    				]␊
+    			},␊
+    			"SuccessResponse_Union_Entity_Entity2": {␊
+    				"type": "object",␊
+    				"properties": {␊
+    					"data": {␊
+    						"oneOf": [␊
+    							{␊
+    								"$ref": "#/components/schemas/Entity"␊
+    							},␊
+    							{␊
+    								"$ref": "#/components/schemas/Entity2"␊
+    							}␊
+    						]␊
+    					}␊
+    				},␊
+    				"required": [␊
+    					"data"␊
+    				]␊
+    			},␊
     			"SuccessResponse_Entity": {␊
     				"type": "object",␊
     				"properties": {␊