fixup

Author: ronag

lib/fetch/formdata.js

@@ -25,10 +25,11 @@ class FormData {
       throw new TypeError('Failed to execute \'append\' on \'FormData\': parameter 2 is not of type \'Blob\'')
     }
     const name = String(args[0])
-    const value = args[1] instanceof Blob ? args[1] : String(args[1])
     const filename = args.length === 3 ? String(args[2]) : undefined
 
     // 1. Let value be value if given; otherwise blobValue.
+    const value = args[1] instanceof Blob ? args[1] : String(args[1])
+
     // 2. Let entry be the result of creating an entry with
     // name, value, and filename if given.
     const entry = makeEntry(name, value, filename)
@@ -122,13 +123,14 @@ class FormData {
       throw new TypeError('Failed to execute \'set\' on \'FormData\': parameter 2 is not of type \'Blob\'')
     }
     const name = String(args[0])
-    const value = args[1] instanceof Blob ? args[1] : String(args[1])
     const filename = args.length === 3 ? String(args[2]) : undefined
 
     // The set(name, value) and set(name, blobValue, filename) method steps
     // are:
 
     // 1. Let value be value if given; otherwise blobValue.
+    const value = args[1] instanceof Blob ? args[1] : String(args[1])
+
     // 2. Let entry be the result of creating an entry with name, value, and
     // filename if given.
     const entry = makeEntry(name, value, filename)