- const fileArrayMainFile = ((input as FileArrayCommandInputParameter).value || []);
- const fileArraySecondaryFiles = fileArrayMainFile.map((file) => (
- ((file as unknown) as FileWithSecondaryFiles)?.secondaryFiles || []
- )).reduce((acc: File[], params: File[]) => (acc.concat(params)), []);
-
- const fileArrayFiles = [
- ...fileArrayMainFile,
- ...fileArraySecondaryFiles
- ];
-
- return fileArrayFiles.length ?
- fileArrayFiles.map(file => fileToProcessIOValue(file, auth, pdh)) :
+ const fileArrayMainFiles = ((input as FileArrayCommandInputParameter).value || []);
+ const firstMainFilePdh = (fileArrayMainFiles.length > 0 && fileArrayMainFiles[0]) ? getResourcePdhUrl(fileArrayMainFiles[0], pdh) : "";
+
+ // Convert each main file into separate arrays of ProcessIOValue to preserve secondaryFile grouping
+ const fileArrayValues = fileArrayMainFiles.map((mainFile: File, i): ProcessIOValue[] => {
+ const secondaryFiles = ((mainFile as unknown) as FileWithSecondaryFiles)?.secondaryFiles || [];
+ return [
+ // Pass firstMainFilePdh to secondary files and every main file besides the first to hide pdh if equal
+ ...(mainFile ? [fileToProcessIOValue(mainFile, false, auth, pdh, i > 0 ? firstMainFilePdh : "")] : []),
+ ...(secondaryFiles.map(file => fileToProcessIOValue(file, true, auth, pdh, firstMainFilePdh)))
+ ];
+ // Reduce each mainFile/secondaryFile group into single array preserving ordering
+ }).reduce((acc: ProcessIOValue[], mainFile: ProcessIOValue[]) => (acc.concat(mainFile)), []);
+
+ return fileArrayValues.length ?
+ fileArrayValues :