Fix anyOf transformation (openapi-ts#895)

Author: MunifTanjim

src/transform/schema.ts

@@ -78,7 +78,7 @@ export function transformAnyOf(anyOf: any, options: TransformSchemaObjOptions):
   if (schemas.length === 0) {
     return "";
   }
-  return tsIntersectionOf(schemas.map((s: any) => tsPartial(transformSchemaObj(s, options))));
+  return tsUnionOf(schemas.map((s: any) => transformSchemaObj(s, options)));
 }
 
 /** transform oneOf */

test/core/schema.test.js

@@ -304,7 +304,7 @@ describe("SchemaObject", () => {
           { ...defaults }
         )
       ).to.equal(
-        `(Partial<components["schemas"]["StringType"]>) & (Partial<components["schemas"]["NumberType"]>) & (Partial<components["schemas"]["BooleanType"]>)`
+        `(components["schemas"]["StringType"]) | (components["schemas"]["NumberType"]) | (components["schemas"]["BooleanType"])`
       );
     });
 
@@ -374,13 +374,13 @@ describe("SchemaObject", () => {
           },
           { ...defaults }
         )
-      ).to.equal(`((Partial<{
+      ).to.equal(`(({
 "b": string;
 
-}>) & (Partial<{
+}) | ({
 "c": string;
 
-}>)) & ({
+})) & ({
 "a"?: string;
 
 })`);

test/v3/expected/any-of.additional.ts

@@ -0,0 +1,34 @@
+/**
+ * This file was auto-generated by openapi-typescript.
+ * Do not make direct changes to the file.
+ */
+
+export interface paths {
+  '/cats': {
+    post: {
+      responses: {
+        200: {
+          content: {
+            'application/json': {
+              id: string
+              name: string
+              colors: (
+                | string[]
+                | {
+                    id: string
+                    name: string
+                  }[]
+              ) & { [key: string]: unknown }
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+export interface components {}
+
+export interface operations {}
+
+export interface external {}

test/v3/expected/any-of.exported-type.ts

@@ -0,0 +1,33 @@
+/**
+ * This file was auto-generated by openapi-typescript.
+ * Do not make direct changes to the file.
+ */
+
+export type paths = {
+  '/cats': {
+    post: {
+      responses: {
+        200: {
+          content: {
+            'application/json': {
+              id: string
+              name: string
+              colors:
+                | string[]
+                | {
+                    id: string
+                    name: string
+                  }[]
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+export type components = {}
+
+export type operations = {}
+
+export type external = {}

test/v3/expected/any-of.immutable.ts

@@ -0,0 +1,33 @@
+/**
+ * This file was auto-generated by openapi-typescript.
+ * Do not make direct changes to the file.
+ */
+
+export interface paths {
+  readonly '/cats': {
+    readonly post: {
+      readonly responses: {
+        readonly 200: {
+          readonly content: {
+            readonly 'application/json': {
+              readonly id: string
+              readonly name: string
+              readonly colors:
+                | readonly string[]
+                | readonly {
+                    readonly id: string
+                    readonly name: string
+                  }[]
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+export interface components {}
+
+export interface operations {}
+
+export interface external {}

test/v3/expected/any-of.support-array-length.ts

@@ -0,0 +1,33 @@
+/**
+ * This file was auto-generated by openapi-typescript.
+ * Do not make direct changes to the file.
+ */
+
+export interface paths {
+  '/cats': {
+    post: {
+      responses: {
+        200: {
+          content: {
+            'application/json': {
+              id: string
+              name: string
+              colors:
+                | string[]
+                | {
+                    id: string
+                    name: string
+                  }[]
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+export interface components {}
+
+export interface operations {}
+
+export interface external {}

test/v3/expected/any-of.ts

@@ -0,0 +1,33 @@
+/**
+ * This file was auto-generated by openapi-typescript.
+ * Do not make direct changes to the file.
+ */
+
+export interface paths {
+  '/cats': {
+    post: {
+      responses: {
+        200: {
+          content: {
+            'application/json': {
+              id: string
+              name: string
+              colors:
+                | string[]
+                | {
+                    id: string
+                    name: string
+                  }[]
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+export interface components {}
+
+export interface operations {}
+
+export interface external {}