universal-hex: Update error wording to be more precise.

Author: microbit-carlos

src/__tests__/universal-hex.spec.ts

@@ -1159,16 +1159,16 @@ describe('Test createUniversalHex()', () => {
     };
 
     expect(failFirstBlocks).toThrow(
-      'EoF record found at line 10 of 14 in Board ID 39168'
+      'EoF record found at record 10 of 14 in Board ID 39168 hex'
     );
     expect(failFirstSections).toThrow(
-      'EoF record found at line 10 of 14 in Board ID 39168'
+      'EoF record found at record 10 of 14 in Board ID 39168 hex'
     );
     expect(failSecondBlocks).toThrow(
-      'EoF record found at line 12 of 14 in Board ID 39171'
+      'EoF record found at record 12 of 14 in Board ID 39171 hex'
     );
     expect(failSecondSections).toThrow(
-      'EoF record found at line 12 of 14 in Board ID 39171'
+      'EoF record found at record 12 of 14 in Board ID 39171 hex'
     );
   });
 });

src/universal-hex.ts

@@ -92,7 +92,7 @@ function iHexToCustomFormatBlocks(iHexStr: string, boardId: number): string {
       // Error if we encounter an EoF record and it's not the end of the file
       if (ih !== hexRecords.length) {
         throw new Error(
-          `EoF record found at line ${ih} of ${hexRecords.length} in Board ID ${boardId}`
+          `EoF record found at record ${ih} of ${hexRecords.length} in Board ID ${boardId} hex`
         );
       }
       // The EoF record goes after the Block End Record, it won't break 512-byte
@@ -188,7 +188,7 @@ function iHexToCustomFormatSection(iHexStr: string, boardId: number): string {
   }
   if (ih !== hexRecords.length) {
     throw new Error(
-      `EoF record found at line ${ih} of ${hexRecords.length} in Board ID ${boardId}`
+      `EoF record found at record ${ih} of ${hexRecords.length} in Board ID ${boardId} hex `
     );
   }