feat: support version option (#23)

* feat: support version option

* docs(README): added version option

README.md

@@ -384,6 +384,10 @@ wx.chooseImage({
 
 ```[不建议使用]``` 设置用户票据的值
 
+### .version
+
+获取 weRequest 版本号
+
 ## FAQ
 
 ### 我希望在请求时候，页面能出现最简单的loading状态，该怎么办？

build/interface.d.ts

@@ -72,4 +72,5 @@ export interface weRequest {
     getConfig?: () => IGetConfigResult;
     login?: (callback: Function) => void;
     setSession?: (x: string) => void;
+    version?: string;
 }

build/version.d.ts

@@ -0,0 +1,2 @@
+declare const version: string;
+export { version };

src/index.ts

@@ -6,6 +6,7 @@ import login from "./api/login"
 import getSession from "./api/getSession"
 import getConfig from "./api/getConfig"
 import { weRequest } from "./interface"
+import { version } from './version'
 
 const weRequestObject: weRequest = {
   init,
@@ -14,7 +15,8 @@ const weRequestObject: weRequest = {
   setSession,
   login,
   getSession,
-  getConfig
+  getConfig,
+  version
 };
 
 export default weRequestObject;

src/interface.ts

@@ -152,4 +152,6 @@ export interface weRequest {
     login?: (callback: Function) => void;
     /* [不建议使用] 设置用户票据的值 */
     setSession?: (x: string) => void;
+    /* 获取weRequest版本 */
+    version?: string;
 }

src/version.ts

@@ -0,0 +1,5 @@
+declare const __VERSION__: string;
+
+const version = __VERSION__;
+
+export { version };

webpack.config.js

@@ -26,6 +26,9 @@ module.exports = [
             libraryExport: "default"
         },
         plugins: [
+            new webpack.DefinePlugin({
+                __VERSION__: JSON.stringify(pk.version)
+            }),
             new webpack.BannerPlugin({
                 banner: `weRequest ${pk.version}\n${pk.homepage}`
             }) 
@@ -55,6 +58,9 @@ module.exports = [
         },
         devtool: "inline-source-map",
         plugins: [
+            new webpack.DefinePlugin({
+                __VERSION__: JSON.stringify(pk.version)
+            }),
             new webpack.BannerPlugin({
                 banner: `weRequest ${pk.version}\n${pk.homepage}`
             })