fix(mp-weixin): scroll-view with drag event (#3921)

packages/uni-mp-weixin/__tests__/component.spec.ts

@@ -188,6 +188,43 @@ describe('mp-weixin: transform component', () => {
       `<canvas wx:if="{{a}}" canvas-id="{{b}}"/><canvas wx:elif="{{c}}"/><block wx:else><canvas wx:if="{{r0}}" canvas-id="{{d}}"/></block>`,
       `(_ctx, _cache) => {
   return _e({ a: _ctx.ok1 }, _ctx.ok1 ? { b: _ctx.id } : _ctx.ok2 ? {} : { d: _ctx.id }, { c: _ctx.ok2 })
+}`
+    )
+  })
+  test('lazy element: scroll-view', () => {
+    assert(
+      `<scroll-view/>`,
+      `<scroll-view/>`,
+      `(_ctx, _cache) => {
+  return {}
+}`
+    )
+    assert(
+      `<scroll-view @dragstart="d"/>`,
+      `<block wx:if="{{r0}}"><scroll-view binddragstart="{{a}}"/></block>`,
+      `(_ctx, _cache) => {
+  return { a: _o(_ctx.d) }
+}`
+    )
+    assert(
+      `<scroll-view @dragging="d"/>`,
+      `<block wx:if="{{r0}}"><scroll-view binddragging="{{a}}"/></block>`,
+      `(_ctx, _cache) => {
+  return { a: _o(_ctx.d) }
+}`
+    )
+    assert(
+      `<scroll-view @dragend="d"/>`,
+      `<block wx:if="{{r0}}"><scroll-view binddragend="{{a}}"/></block>`,
+      `(_ctx, _cache) => {
+  return { a: _o(_ctx.d) }
+}`
+    )
+    assert(
+      `<scroll-view @dragstart="d" @dragging="d" @dragend="d"/>`,
+      `<block wx:if="{{r0}}"><scroll-view binddragstart="{{a}}" binddragging="{{b}}" binddragend="{{c}}"/></block>`,
+      `(_ctx, _cache) => {
+  return { a: _o(_ctx.d), b: _o(_ctx.d), c: _o(_ctx.d) }
 }`
     )
   })

packages/uni-mp-weixin/src/compiler/options.ts

@@ -52,6 +52,12 @@ export const miniProgram: MiniProgramCompilerOptions = {
         arg: ['ready'],
       },
     ],
+    'scroll-view': [
+      {
+        name: 'on',
+        arg: ['dragstart', 'dragging', 'dragend'],
+      },
+    ],
     // iOS 平台需要延迟
     input: [{ name: 'bind', arg: ['type'] }],
     textarea: [{ name: 'on', arg: ['input'] }],