feat: support ts

README.md

@@ -192,7 +192,7 @@ Environment list https://github.com/eggjs/egg-core/blob/master/lib/loader/egg_lo
 Mock level that print to stdout/stderr
 
 ```js
-// 不输出到终端
+// DON'T log to terminal
 mm.consoleLevel('NONE');
 ```
 
@@ -265,6 +265,12 @@ Clean all logs directory, default is true.
 
 If you are using `ava`, disable it.
 
+#### typescript {Boolean}
+
+Enable Typescript support, default is false.
+
+Support read from `process.env.EGG_TYPESCRIPT`.
+
 ### app.httpRequest()
 
 Request current app http server.
@@ -349,7 +355,7 @@ it('should mock user name', function* () {
   app.mockService('user', 'getName', function* (ctx, methodName, args) {
     return 'popomore';
   });
-  const ctx = app.mockContext();  
+  const ctx = app.mockContext();
   yield ctx.service.user.getName();
 });
 ```

README.zh_CN.md

@@ -276,6 +276,12 @@ mm.app({
 
 如果是通过 ava 等并行测试框架进行测试，需要手动在执行测试前进行统一的日志清理，不能通过 mm 来处理，设置 `clean` 为 `false`。
 
+#### typescript {Boolean}
+
+开启 TypeScript 支持，默认关闭。
+
+支持读取环境变量 `process.env.EGG_TYPESCRIPT`。
+
 ### app.httpRequest()
 
 请求当前应用 http 服务的辅助工具。
@@ -361,7 +367,7 @@ it('should mock user name', function* () {
   app.mockService('user', 'getName', function* (ctx, methodName, args) {
     return 'popomore';
   });
-  const ctx = app.mockContext();  
+  const ctx = app.mockContext();
   yield ctx.service.user.getName();
 });
 ```

bootstrap.js

@@ -5,6 +5,7 @@ const mock = require('./index').default;
 
 const options = {};
 if (process.env.EGG_BASE_DIR) options.baseDir = process.env.EGG_BASE_DIR;
+if (process.env.EGG_TYPESCRIPT) options.typescript = process.env.EGG_TYPESCRIPT;
 const app = mock.app(options);
 
 before(() => app.ready());

index.d.ts

@@ -82,6 +82,11 @@ export interface MockOption {
    * Remove $baseDir/logs
    */
   clean?: boolean;
+
+  /**
+   * Enable typescript support
+   */
+  typescript: boolean;
 }
 
 type EnvType = 'default' | 'test' | 'prod' | 'local' | 'unittest';

lib/cluster.js

@@ -51,6 +51,7 @@ class ClusterApplication extends Coffee {
    * - {String} baseDir - The directory of the application
    * - {Object} plugins - Tustom you plugins
    * - {String} framework - The directory of the egg framework
+   * - {Boolean} [typescript]  - Enable TypeScript support
    * - {Boolean} [cache=true]  - Cache application based on baseDir
    * - {Boolean} [coverage=true]  - Swtich on process coverage, but it'll be slower
    * - {Boolean} [clean=true]  - Remove $baseDir/logs