refactor(tpl/upload): extract files param

Author: marjune163

src/tpl/asset/main.js

@@ -570,9 +570,8 @@
 				}
 			}
 
-			function uploadProgressively() {
-				var files = Array.prototype.slice.call(fileInput.files);
-				if (!files.length) {
+			function uploadProgressively(files) {
+				if (!files || !files.length) {
 					return;
 				}
 
@@ -605,10 +604,14 @@
 				e.stopPropagation();
 				e.preventDefault();
 
-				uploadProgressively();
+				var files = Array.prototype.slice.call(fileInput.files);
+				uploadProgressively(files);
 			});
 
-			fileInput.addEventListener('change', uploadProgressively);
+			fileInput.addEventListener('change', function () {
+				var files = Array.prototype.slice.call(fileInput.files);
+				uploadProgressively(files);
+			});
 			return uploadProgressively;
 		}
 
@@ -652,7 +655,8 @@
 
 				fileInput.files = e.dataTransfer.files;
 				if (uploadProgressively) {
-					uploadProgressively();
+					var files = Array.prototype.slice.call(e.dataTransfer.files);
+					uploadProgressively(files);
 				} else {
 					form.submit();
 				}

src/tpl/asset/main.js.go

@@ -504,9 +504,8 @@ var percent = 100 * e.loaded / e.total;
 elProgress.style.width = percent + '%';
 }
 }
-function uploadProgressively() {
-var files = Array.prototype.slice.call(fileInput.files);
-if (!files.length) {
+function uploadProgressively(files) {
+if (!files || !files.length) {
 return;
 }
 var formName = fileInput.name;
@@ -534,9 +533,13 @@ btnSubmit.disabled = true;
 form.addEventListener('submit', function (e) {
 e.stopPropagation();
 e.preventDefault();
-uploadProgressively();
+var files = Array.prototype.slice.call(fileInput.files);
+uploadProgressively(files);
+});
+fileInput.addEventListener('change', function () {
+var files = Array.prototype.slice.call(fileInput.files);
+uploadProgressively(files);
 });
-fileInput.addEventListener('change', uploadProgressively);
 return uploadProgressively;
 }
 function enableAddDragDrop(uploadProgressively) {
@@ -573,7 +576,8 @@ optFile.click();
 }
 fileInput.files = e.dataTransfer.files;
 if (uploadProgressively) {
-uploadProgressively();
+var files = Array.prototype.slice.call(e.dataTransfer.files);
+uploadProgressively(files);
 } else {
 form.submit();
 }