fix: return defined default value for enums

Author: sagold

src/draft2019-09/methods/getData.test.ts

@@ -174,6 +174,15 @@ describe("getData (2019)", () => {
                 const data = compileSchema({ $schema: "draft-2019-09", enum: ["first", "second"] }).getData();
                 assert.deepEqual(data, "first");
             });
+
+            it("should use default value in any case", () => {
+                const data = compileSchema({
+                    $schema: "draft-2019-09",
+                    enum: ["first", "second"],
+                    default: ""
+                }).getData();
+                assert.deepEqual(data, "");
+            });
         });
 
         describe("file", () => {

src/draft2019-09/methods/getData.ts

@@ -106,7 +106,7 @@ export function getData(node: SchemaNode, data?: unknown, opts?: TemplateOptions
 
     if (Array.isArray(node.schema.enum) && node.schema.enum.length > 0) {
         if (data === undefined) {
-            return node.schema.enum[0];
+            return node.schema.default ?? node.schema.enum[0];
         }
     }
 

src/methods/getData.test.ts

@@ -168,6 +168,11 @@ describe("getData", () => {
                 const data = compileSchema({ enum: ["first", "second"] }).getData();
                 assert.deepEqual(data, "first");
             });
+
+            it("should use default value in any case", () => {
+                const data = compileSchema({ enum: ["first", "second"], default: "" }).getData();
+                assert.deepEqual(data, "");
+            });
         });
 
         describe("file", () => {

src/methods/getData.ts

@@ -10,8 +10,6 @@ import { mergeNode } from "../mergeNode";
 import { reduceOneOfFuzzy } from "../keywords/oneOf";
 import { isFile } from "../utils/isFile";
 
-
-
 export type TemplateOptions = {
     /** Add all properties (required and optional) to the generated data */
     addOptionalProps?: boolean;
@@ -108,7 +106,7 @@ export function getData(node: SchemaNode, data?: unknown, opts?: TemplateOptions
 
     if (Array.isArray(node.schema.enum) && node.schema.enum.length > 0) {
         if (data === undefined) {
-            return node.schema.enum[0];
+            return node.schema.default ?? node.schema.enum[0];
         }
     }