fix: File-support for node versions < 20

Author: sagold

dist/jsonSchemaLibrary.js

@@ -8,6 +8,7 @@ import { isObject } from "../../utils/isObject";
 import { isSchemaNode } from "../../types";
 import { mergeNode } from "../../mergeNode";
 import { reduceOneOfFuzzy } from "../../keywords/oneOf";
+import { isFile } from "../../utils/isFile";
 function safeResolveRef(node, options) {
     var _a, _b;
     if (node.$ref == null) {
@@ -65,7 +66,7 @@ export function getData(node, data, opts) {
         return data;
     }
     // @attention - very special case to support file instances
-    if (data instanceof File) {
+    if (isFile(data)) {
         return data;
     }
     if (((_a = node.schema) === null || _a === void 0 ? void 0 : _a.const) !== undefined) {

dist/module/src/draft2019-09/methods/getData.js

@@ -8,6 +8,7 @@ import { isObject } from "../utils/isObject";
 import { isSchemaNode } from "../types";
 import { mergeNode } from "../mergeNode";
 import { reduceOneOfFuzzy } from "../keywords/oneOf";
+import { isFile } from "../utils/isFile";
 function safeResolveRef(node, options) {
     var _a, _b;
     if (node.$ref == null) {
@@ -65,7 +66,7 @@ export function getData(node, data, opts) {
         return data;
     }
     // @attention - very special case to support file instances
-    if (data instanceof File) {
+    if (isFile(data)) {
         return data;
     }
     if (((_a = node.schema) === null || _a === void 0 ? void 0 : _a.const) !== undefined) {

dist/module/src/methods/getData.js

@@ -0,0 +1,10 @@
+let isFile;
+// @ts-expect-error forced types
+isFile = () => false;
+try {
+    if (typeof File === "function") {
+        isFile = (value) => value instanceof File;
+    }
+}
+catch (e) { } // eslint-disable-line
+export { isFile };

dist/module/src/utils/isFile.js

@@ -0,0 +1,2 @@
+declare let isFile: (value: unknown) => value is File;
+export { isFile };

dist/src/utils/isFile.d.ts

@@ -8,6 +8,7 @@ import { isObject } from "../../utils/isObject";
 import { isSchemaNode, SchemaNode } from "../../types";
 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 */
@@ -92,7 +93,7 @@ export function getData(node: SchemaNode, data?: unknown, opts?: TemplateOptions
         return data;
     }
     // @attention - very special case to support file instances
-    if (data instanceof File) {
+    if (isFile(data)) {
         return data;
     }
 

src/draft2019-09/methods/getData.ts

@@ -8,6 +8,9 @@ import { isObject } from "../utils/isObject";
 import { isSchemaNode, SchemaNode } from "../types";
 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 */
@@ -92,7 +95,7 @@ export function getData(node: SchemaNode, data?: unknown, opts?: TemplateOptions
         return data;
     }
     // @attention - very special case to support file instances
-    if (data instanceof File) {
+    if (isFile(data)) {
         return data;
     }
 

src/methods/getData.ts

@@ -0,0 +1,11 @@
+let isFile: (value: unknown) => value is File;
+// @ts-expect-error forced types
+isFile = () => false;
+
+try {
+    if (typeof File === "function") {
+        isFile = (value: unknown) => value instanceof File;
+    }
+} catch (e) {} // eslint-disable-line
+
+export { isFile };