All CSS used are prefixed with afus-, uuid v4 for each upload group

Set uuid v4 for each upload group as ".uploadQueueUid"
Add max upload files as ".uploadQueueMax"
Change to upload files to ".uploadQueueOpen" (from ".uploadQueueMax")

Extract retrun message from two types for messages that could come
from the server

jsconfig.json

@@ -0,0 +1,15 @@
+{
+	"compilerOptions": {
+		"module": "ESNext",
+		"moduleResolution": "Bundler",
+		"target": "ES2020",
+		"jsx": "react",
+		"allowImportingTsExtensions": true,
+		"strictNullChecks": true,
+		"strictFunctionTypes": true
+	},
+	"exclude": [
+		"node_modules",
+		"**/node_modules/*"
+	]
+}

src/ajaxFileUploadSimple.js

@@ -2,7 +2,7 @@
 
 // 'use strict';
 
-/* jshint esversion: 6 */
+/* jshint esversion: 11 */
 
 /**
  * CUSTOM SUB CALL FUNCTIONS as passsd on in init call
@@ -49,6 +49,16 @@ if (!String.prototype.format) {
 	};
 }
 
+/**
+ * A very simple uuidv4 for grouping same uploads together
+ * @returns uuidv4
+ */
+function afusUuidv4() {
+	return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, c =>
+		(+c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> +c / 4).toString(16)
+	);
+}
+
 /**
  * [from edit.js]
  * checks if a key exists in a given object
@@ -691,16 +701,19 @@ function afusPassThroughEvent(target_file, max_files, target_router, auto_submit
 			// add to upload status list
 			el = document.createElement('div');
 			el.id = target_file + '-status-' + i;
+			el.classList.add('afus-status-row');
 			// file pos in queue? would need pos update on delete
 			// file name
 			el_sub = document.createElement('span');
 			el_sub.id = target_file + '-status-name-' + i;
+			el_sub.classList.add('afus-status-name');
 			el_sub.innerHTML = input_files.files[i].name;
 			el.appendChild(el_sub);
 			// progress info (just text)
 			el_sub = document.createElement('span');
 			el_sub.id = target_file + '-status-progress-' + i;
 			el_sub.setAttribute('style', 'display:none;margin-left:5px;');
+			el_sub.classList.add('afus-status-progress');
 			el.appendChild(el_sub);
 			// Toptional progress info as visual bar
 			el_sub = document.createElement('span');
@@ -709,6 +722,7 @@ function afusPassThroughEvent(target_file, max_files, target_router, auto_submit
 			// attach progress element into it
 			el_sub_sub = document.createElement('progress');
 			el_sub_sub.id = target_file + '-status-progress-bar-' + i;
+			el_sub_sub.classList.add('afus-status-progress-bar');
 			el_sub_sub.max = 100;
 			el_sub_sub.value = 0;
 			el_sub.appendChild(el_sub_sub);
@@ -719,7 +733,7 @@ function afusPassThroughEvent(target_file, max_files, target_router, auto_submit
 			// if invalid types, show error
 			if (valid_type === false || valid_size === false) {
 				el_sub.setAttribute('style', 'margin-left:5px;');
-				el_sub.classList.add('SubError');
+				el_sub.classList.add('afus-status-error');
 				let error_list = [];
 				if (valid_type === false) {
 					error_list.push(AFUS_strings[target_file].invalid_type || 'Invalid file type');
@@ -731,6 +745,7 @@ function afusPassThroughEvent(target_file, max_files, target_router, auto_submit
 			} else {
 				// else show remove
 				el_sub.setAttribute('style', 'margin-left:5px;');
+				el_sub.classList.add('afus-status-delete');
 				// -W083
 				el_sub.addEventListener('click', function() { // jshint ignore:line
 					AFUS_file_list[target_file].splice(i, 1);
@@ -754,6 +769,7 @@ function afusPassThroughEvent(target_file, max_files, target_router, auto_submit
 			el_sub = document.createElement('span');
 			el_sub.id = target_file + '-status-abort-' + i;
 			el_sub.setAttribute('style', 'margin-left:5px;display:none;');
+			el_sub.classList.add('afus-status-abort');
 			el_sub.innerHTML = AFUS_strings[target_file].cancel || 'Cancel';
 			el.appendChild(el_sub);
 			// hidden info
@@ -929,6 +945,8 @@ class afusAsyncUploader
 				this.form_append[key] = value;
 			}
 		}
+		this.form_append.uploadQueueUid = afusUuidv4();
+		this.form_append.uploadQueueMax = AFUS_file_list[target_file].length;
 		// the function call (afusSendFile) with promise
 		this.functionCall = function_call;
 		// error flag for upload error
@@ -1024,7 +1042,7 @@ function afusSendFile(target_file, file, form_append)
 		}
 		formData.append('action', AFUS_config[target_file].target_router);
 		formData.append('uploadQueuePos', file_pos);
-		formData.append('uploadQueueMax', AFUS_file_list[target_file].length);
+		formData.append('uploadQueueOpen', AFUS_file_list[target_file].length);
 		formData.append('uploadName', target_file + '-file');
 		// add file only (first file found) with target file name
 		formData.append(target_file + '-file', file);
@@ -1206,8 +1224,18 @@ function afusOnReadyStateChangeHandler(target_file, file_pos, target_router, evt
 		afusRunningStop(target_file);
 		// must set dynamic
 		console.log('[AJAX Uploader ORSC: %s/%s] Running: %s, Uploader response: %s -> %o', target_file, file_pos, afusRunningGet(target_file), responseData.status, responseData);
+		// the return msg is normally on base level, but it can be in content too
+		msg = [];
+		if (afusKeyInObject('msg', responseData.content)) {
+			msg = responseData.content.msg;
+		} else if (afusKeyInObject('msg', responseData)) {
+			// we need to prep this one, these are default error mssages objects
+			for (let __message in responseData.msg) {
+				msg.append(__message.str);
+			}
+		}
 		// then run status output
-		afusUploadError(target_file, file_pos, responseData.content.msg, responseData.status == 'success' ? false : true);
+		afusUploadError(target_file, file_pos, msg, responseData.status == 'success' ? false : true);
 		// run post uploader
 		if (responseData.status == 'success') {
 			afusPostUpload(target_file, file_pos, target_router, {

test/backend.php

@@ -243,6 +243,7 @@ if (isset($_POST['action'])) {
 				$ajax_data = [
 					'msg' => [],
 					'file_uid' => null,
+					'file_crc' => null,
 					'file_url' => null,
 					'file_name' => null,
 					'file_size' => null,
@@ -263,6 +264,7 @@ if (isset($_POST['action'])) {
 				if ($status == 'success') {
 					// basic file id data
 					$file_uid = null;
+					$file_crc = null;
 					$file_url = null;
 					$file_name = null;
 					$file_size = null;
@@ -279,6 +281,7 @@ if (isset($_POST['action'])) {
 					$file_name = $_FILES[$upload_name]['name'];
 					$file_size = humanReadableByteFormat($_FILES[$upload_name]['size']);
 					$file_size_raw = $_FILES[$upload_name]['size'];
+					$file_crc = hash('sha256', file_get_contents($folder . $file_uid) ?: '');
 					// correct the image rotation
 					// $this->correctImageOrientation(BASE.TMP.$file_uid);
 					// make a copy to layout/cache/images for file url
@@ -289,6 +292,7 @@ if (isset($_POST['action'])) {
 					$ajax_data = [
 						'msg' => $file_upload_message,
 						'file_uid' => $file_uid,
+						'file_crc' => $file_crc,
 						'file_url' => $file_url,
 						'file_name' => $file_name,
 						'file_size' => $file_size,

test/other.css

@@ -45,6 +45,28 @@ CSS Other
 .uploaded { margin-top: 20px; }
 .title { font-size: 1.5em; font-weight: bold; margin-bottom: 10px; }
 
+.afus-status-delete {
+	color: orange;
+	font-weight: bold;
+}
+.afus-status-progress {
+	color: rgb(37, 140, 191);
+}
+.afus-status-progress-bar {
+	height: 10px;
+}
+.afus-status-progress-bar::slider-fill {
+	background-color: orange;
+}
+.afus-status-abort {
+	color: red;
+}
+.afus-status-error {
+	color: red;
+	font-weight: bold;
+	font-size: 1.2em;
+}
+
 .file-upload label div {
 	text-align: center;
 	color: #e60012;

test/other.js

@@ -93,6 +93,16 @@ function ajaxWrapper(call_id, queryString = {}, control = {}, url = 'backend.php
 	});
 }
 
+/**
+ * uuid4 creator
+ * @returns {String} uuid4
+ */
+function uuidv4() {
+	return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, c =>
+		(+c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> +c / 4).toString(16)
+	);
+}
+
 /**
  * FILE CHANGE:
  * helper call for ajax file upload on file selected
@@ -331,6 +341,9 @@ $(document).ready(function () {
 		form_parameters: {'parameter_a': 'Value 123'},
 		auto_submit: false,
 		function_options: {action_box_id: 'actionBox-alt', 'other': 'free'},
+		translation: {
+			remove: "REMOVE"
+		},
 		fileChange: fileChangeFunction,
 		fileChangeAll: fileChangeFunctionAll,
 		fileRemove: fileRemoveFunction,