feat(types): add typings for ecommerce

vue-analytics.d.ts

@@ -51,6 +51,138 @@ declare module 'vue-analytics' {
     }): void;
   }
 
+  interface EcommerceItem {
+    id: string;
+    name: string;
+    sku?: string;
+    category?: string;
+    price?: string;
+    quantity?: number;
+  }
+
+  interface EcommerceTransaction {
+    id: string;
+    affiliation?: string;
+    revenue?: string;
+    shipping?: string;
+    tax?: string;
+  }
+
+  interface EcommerceImpressionBase {
+    list?: string;
+    brand?: string;
+    category?: string;
+    variant?: string;
+    position?: number;
+    price?: string;
+  }
+
+  interface EcommerceImpressionWithId extends EcommerceImpressionBase {
+    id: string;
+  }
+
+  interface EcommerceImpressionWithName extends EcommerceImpressionBase {
+    name: string;
+  }
+
+  type EcommerceImpression = EcommerceImpressionWithId | EcommerceImpressionWithName;
+
+  interface EcommerceProductBase {
+    brand?: string;
+    category?: string;
+    variant?: string;
+    price?: string;
+    quantity?: number;
+    coupon?: string;
+    position?: number;
+  }
+
+  interface EcommerceProductWithId extends EcommerceProductBase {
+    id: string;
+  }
+
+  interface EcommerceProductWithName extends EcommerceProductBase {
+    name: string;
+  }
+
+  type EcommerceProduct = EcommerceImpressionWithId | EcommerceImpressionWithName;
+
+  type EcommerceAction = 
+    | 'click' 
+    | 'detail' 
+    | 'add' 
+    | 'remove' 
+    | 'checkout'
+    | 'checkout_option'
+    | 'purchase'
+    | 'refund'
+    | 'promo_click'
+
+  interface EcommerceActionData {
+    id?: string;
+    affiliation?: string;
+    revenue?: number;
+    tax?: number;
+    shipping?: number;
+    coupon?: string;
+    list?: string;
+    step?: number;
+    option?: string;
+  }
+
+  interface EcommercePromoBase {
+    creative?: string;
+    position?: string;
+  }
+
+  interface EcommercePromoWithId extends EcommercePromoBase {
+    id: string;
+  }
+
+  interface EcommercePromoWithName extends EcommercePromoBase {
+    name: string;
+  }
+
+  type EcommercePromo = EcommercePromoWithId | EcommercePromoWithName;
+
+  interface Ecommerce {
+    addItem(item: EcommerceItem): void;
+    addTransaction(transaction: EcommerceTransaction): void;
+    addProduct(product: EcommerceProduct): void;
+    addImpression(impression: EcommerceImpression): void;
+    setAction(action: EcommerceAction, data: EcommerceActionData): void;
+    addPromo(product: EcommercePromo): void;
+    send(): void;
+  }
+
+  interface screenviewFn {
+    (screen: string) :void;
+    (option: {
+      screenName: string;
+      [otherProperties: string]: any;
+    }): void;
+  }
+
+  interface requireFn {
+    (pluginName: string, options?: any): void
+  }
+
+  interface exceptionFn {
+    (exception: Error | string): void;
+  }
+
+  interface queryFn {
+    (...args: any[]): any;
+  }
+
+  interface analyticsMiddlewareFn {
+    <T>(store: Store<T>): void;
+  }
+
+  interface onAnalyticsReadyFn {
+    (): Promise<void>;
+  }
+
   export interface InstallOptions {
     id: string | string[] | (() => string) | (() => Promise<string>) | Promise<string>,
     router?: VueRouter,
@@ -107,7 +239,7 @@ declare module 'vue-analytics' {
     analyticsMiddleware: any;
     onAnalyticsReady: () => Promise<void>;
     event: eventFn;
-    ecommerce: any;
+    ecommerce: Ecommerce;
     set: setFn;
     page: pageFn;
     query: any;