Expand FileUploadHandler interface to support Blob

mjackson · mjackson · commit deabbade0c41 · 2025-01-21T13:34:32.000-08:00
diff --git a/packages/form-data-parser/CHANGELOG.md b/packages/form-data-parser/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 This is the changelog for [`form-data-parser`](https://github.com/mjackson/remix-the-web/tree/main/packages/form-data-parser). It follows [semantic versioning](https://semver.org/).
 
+## HEAD
+
+- Expand `FileUploadHandler` interface to support returning `Blob` from the upload handler, which is the superclass of `File`
+
 ## v0.6.0 (2025-01-15)
 
 - Allow upload handlers to run in parallel. Fixes #44
diff --git a/packages/form-data-parser/src/lib/form-data.ts b/packages/form-data-parser/src/lib/form-data.ts
@@ -67,7 +67,7 @@ export class FileUpload implements File {
  * A function used for handling file uploads.
  */
 export interface FileUploadHandler {
-  (file: FileUpload): void | null | string | File | Promise<void | null | string | File>;
+  (file: FileUpload): void | null | string | Blob | Promise<void | null | string | Blob>;
 }
 
 async function defaultFileUploadHandler(file: FileUpload): Promise<File> {

Original file line number	Diff line number	Diff line change
`@@ -67,7 +67,7 @@ export class FileUpload implements File {`
`67`	`67`	`* A function used for handling file uploads.`
`68`	`68`	`*/`
`69`	`69`	`export interface FileUploadHandler {`
`70`		`- (file: FileUpload): void \| null \| string \| File \| Promise<void \| null \| string \| File>;`
	`70`	`+ (file: FileUpload): void \| null \| string \| Blob \| Promise<void \| null \| string \| Blob>;`
`71`	`71`	`}`
`72`	`72`
`73`	`73`	`async function defaultFileUploadHandler(file: FileUpload): Promise<File> {`