first commit

miniprogram_npm/tdesign-miniprogram/swiper/index.wxs

@@ -0,0 +1,25 @@
+function isPrev(current, index, list) {
+  return (current - 1 + list.length) % list.length === index;
+}
+
+function isNext(current, index, list) {
+  return (current + 1 + list.length) % list.length === index;
+}
+
+function getImageClass(prefix, current, index, list) {
+  var arr = [prefix + '-swiper__image-host', prefix + '-swiper__image', prefix + '-class-image'];
+
+  if (isPrev(current, index, list)) {
+    arr.push(prefix + '-class-prev-image');
+  }
+
+  if (isNext(current, index, list)) {
+    arr.push(prefix + '-class-next-image');
+  }
+
+  return arr.join(' ');
+}
+
+module.exports.isPrev = isPrev;
+module.exports.isNext = isNext;
+module.exports.getImageClass = getImageClass;