feat: use egg v4

https://eggjs.org/basics/httpcontroller#httpcontext

Author: fengmk2

hello-tegg/app/biz/HelloService.ts

@@ -1,7 +1,7 @@
 import {
   AccessLevel,
   SingletonProto,
-} from '@eggjs/tegg';
+} from 'egg';
 
 @SingletonProto({
   accessLevel: AccessLevel.PUBLIC,

hello-tegg/app/controller/HelloController.ts

@@ -3,12 +3,12 @@ import {
   HTTPMethod,
   HTTPMethodEnum,
   Context,
-  type EggContext,
+  HTTPContext,
   HTTPQuery,
   Middleware,
   Inject,
-} from '@eggjs/tegg';
-import type { EggLogger } from 'egg';
+  type Logger,
+} from 'egg';
 
 import { traceMethod } from '../middleware/trace_method.ts';
 import { HelloService } from '../biz/HelloService.ts';
@@ -20,13 +20,13 @@ export class HelloController {
   private readonly helloService: HelloService;
 
   @Inject()
-  private readonly logger: EggLogger;
+  private readonly logger: Logger;
 
   @HTTPMethod({
     method: HTTPMethodEnum.GET,
     path: '/hello',
   })
-  async hello(@Context() ctx: EggContext, @HTTPQuery() name: string) {
+  async hello(@HTTPContext() ctx: Context, @HTTPQuery() name: string) {
     this.logger.info('access url: %s', ctx.url);
 
     const message = await this.helloService.hello(name);

hello-tegg/app/middleware/trace_method.ts

@@ -1,6 +1,6 @@
-import type { EggContext, Next } from '@eggjs/tegg';
+import type { Context, Next } from 'egg';
 
-export async function traceMethod(ctx: EggContext, next: Next) {
+export async function traceMethod(ctx: Context, next: Next) {
   await next();
   ctx.body.data.message += ` (${ctx.method})`;
 }

hello-tegg/config/plugin.ts

@@ -1,18 +1,6 @@
 import type { EggPlugin } from 'egg';
 
 const plugin: EggPlugin = {
-  tegg: {
-    enable: true,
-    package: '@eggjs/tegg-plugin',
-  },
-  teggConfig: {
-    enable: true,
-    package: '@eggjs/tegg-config',
-  },
-  teggController: {
-    enable: true,
-    package: '@eggjs/tegg-controller-plugin',
-  },
 };
 
 export default plugin;

hello-tegg/package.json

@@ -23,10 +23,6 @@
   "license": "MIT",
   "dependencies": {
     "@eggjs/scripts": "beta",
-    "@eggjs/tegg": "beta",
-    "@eggjs/tegg-config": "beta",
-    "@eggjs/tegg-controller-plugin": "beta",
-    "@eggjs/tegg-plugin": "beta",
     "egg": "beta"
   },
   "devDependencies": {
@@ -37,8 +33,7 @@
     "@eggjs/mock": "beta",
     "eslint": "8",
     "eslint-config-egg": "14",
-    "typescript": "5",
-    "koa-compose": "4.1.0"
+    "typescript": "5"
   },
   "repository": "git@github.com:eggjs/examples.git",
   "engines": {