feat(tsd): add ctx.logger and logger.error support Error object (#1108)

index.d.ts

@@ -35,9 +35,11 @@ export interface Logger {
  info(info: string, ...args: string[]): void;
  warn(info: string, ...args: string[]): void;
  debug(info: string, ...args: string[]): void;
- error(info: string, ...args: string[]): void;
+ error(info: string | Error, ...args: string[]): void;
 }
 
+export type RequestArrayBody = any[];
+export type RequestObjectBody = { [key: string]: any };
 interface Request extends KoaApplication.Request { // tslint:disable-line
  /**
  * detect if response should be json
@@ -116,6 +118,8 @@ interface Request extends KoaApplication.Request { // tslint:disable-line
  * ```
  */
  query: { [key: string]: string };
+
+ body: RequestArrayBody | RequestObjectBody;
 }
 
 interface Response extends KoaApplication.Response { // tslint:disable-line
@@ -724,6 +728,11 @@ export interface Context extends KoaApplication.Context {
  */
  curl(url: string, opt: any): Promise<any>;
 
+ /**
+ * Get logger by name, it's equal to app.loggers['name'], but you can extend it with your own logical
+ */
+ getLogger(name: string): Logger;
+
  /**
  * Render a file by view engine
  * @param {String} name - the file path based on root

test/fixtures/apps/app-ts/app/controller/foo.ts

@@ -1,4 +1,4 @@
-import { Controller } from 'egg';
+import { Controller, RequestObjectBody } from 'egg';
 
 // add user controller and service
 declare module 'egg' {
@@ -10,9 +10,18 @@ declare module 'egg' {
 // controller
 export default class FooController extends Controller {
  async getData() {
- this.ctx.body = await this.ctx.service.foo.bar();
+ try {
+ this.ctx.body = await this.ctx.service.foo.bar();
+ } catch (e) {
+ const body: RequestObjectBody = this.ctx.request.body;
+ this.app.logger.info(e.name, body.foo);
+ }
  }
  async getBar() {
- this.ctx.body = await this.service.foo.bar();
+ try {
+ this.ctx.body = await this.service.foo.bar();
+ } catch (e) {
+ this.ctx.logger.error(e);
+ }
  }
 }