feat(mp-jd): preprocess

packages/shims-uni-app.d.ts

@@ -176,6 +176,7 @@ declare namespace UniApp {
     'mp-weixin'?: PagesJsonPageStyle
     'mp-kuaishou'?: PagesJsonPageStyle
     'mp-lark'?: PagesJsonPageStyle
+    'mp-jd'?: PagesJsonPageStyle
     'quickapp-webview'?: PagesJsonPageStyle
     'quickapp-webview-huawei'?: PagesJsonPageStyle
     'quickapp-webview-union'?: PagesJsonPageStyle

packages/uni-cli-shared/src/preprocess/context.ts

@@ -15,6 +15,7 @@ const DEFAULT_KEYS = [
   'MP_TOUTIAO',
   'MP_WEIXIN',
   'MP_KUAISHOU',
+  'MP_JD',
   'QUICKAPP_NATIVE',
   'QUICKAPP_WEBVIEW',
   'QUICKAPP_WEBVIEW_HUAWEI',

packages/uni-mp-core/src/runtime/componentInstance/index.ts

@@ -28,7 +28,12 @@ function createEmitFn(oldEmit: Function, ctx: Record<string, any>) {
       if (__PLATFORM__ === 'mp-baidu' || __PLATFORM__ === 'mp-kuaishou') {
         detail.__ins__ = scope
       }
-      scope.triggerEvent(event, detail)
+      // 京东小程序 triggerEvent 只读
+      if (__PLATFORM__ === 'mp-jd') {
+        ;(scope._triggerEvent || scope.triggerEvent)(event, detail)
+      } else {
+        scope.triggerEvent(event, detail)
+      }
     }
     if (__PLATFORM__ === 'mp-alipay') {
       const vnode = this.$.vnode