add all frontend files

node_modules/rc-slider/es/util.js

@@ -0,0 +1,31 @@
+export function getOffset(value, min, max) {
+  return (value - min) / (max - min);
+}
+export function getDirectionStyle(direction, value, min, max) {
+  var offset = getOffset(value, min, max);
+  var positionStyle = {};
+  switch (direction) {
+    case 'rtl':
+      positionStyle.right = "".concat(offset * 100, "%");
+      positionStyle.transform = 'translateX(50%)';
+      break;
+    case 'btt':
+      positionStyle.bottom = "".concat(offset * 100, "%");
+      positionStyle.transform = 'translateY(50%)';
+      break;
+    case 'ttb':
+      positionStyle.top = "".concat(offset * 100, "%");
+      positionStyle.transform = 'translateY(-50%)';
+      break;
+    default:
+      positionStyle.left = "".concat(offset * 100, "%");
+      positionStyle.transform = 'translateX(-50%)';
+      break;
+  }
+  return positionStyle;
+}
+
+/** Return index value if is list or return value directly */
+export function getIndex(value, index) {
+  return Array.isArray(value) ? value[index] : value;
+}