feat: customize load in agent or in app

agent.js

@@ -1,5 +1,7 @@
 'use strict';
 
 module.exports = agent => {
-  require('./lib/loader')(agent);
+  if (agent.config.sequelize.agent) {
+    require('./lib/loader')(agent);
+  }
 };

app.js

@@ -1,6 +1,7 @@
 'use strict';
 
 module.exports = app => {
-  require('./lib/loader')(app);
+  if (app.config.sequelize.app) {
+    require('./lib/loader')(app);
+  }
 };
-

config/config.default.js

@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  agent: true,
+  app: true,
   dialect: 'mysql',
   database: '',
   host: 'localhost',

index.d.ts

@@ -22,6 +22,18 @@ interface EggSequelizeOptions extends sequelize.Options {
    * `connectionUri:"mysql://localhost:3306/database"`
    */
   connectionUri?: string;
+
+  /**
+   * Load sequelize in worker
+   * @default true
+   */
+  app?: boolean;
+
+  /**
+   * Load sequelize in agent
+   * @default true
+   */
+  agent?: boolean;
 }
 
 interface DataSources {

test/fixtures/apps/connection-uri/config/config.default.ts

@@ -7,6 +7,8 @@ export default (appInfo: EggAppInfo) => {
   config.keys = '123123';
 
   config.sequelize = {
+    app: true,
+    agent: true,
   }
 
   return config;

test/fixtures/apps/datasources-same-dir/config/config.js

@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  app: true,
+  agent: true,
   datasources: [
     {
       delegate: 'model',

test/fixtures/apps/datasources/config/config.js

@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  app: true,
+  agent: true,
   datasources: [
     {
       delegate: 'model',

test/fixtures/apps/model-app/config/config.js

@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  app: true,
+  agent: true,
   port: '3306',
   host: '127.0.0.1',
   username: 'root',

test/fixtures/apps/sub-model/config/config.js

@@ -1,6 +1,8 @@
 'use strict';
 
 exports.sequelize = {
+  app: true,
+  agent: true,
   port: '3306',
   host: '127.0.0.1',
   username: 'root',

test/fixtures/apps/ts/config/config.default.ts

@@ -7,6 +7,8 @@ export default (appInfo: EggAppInfo) => {
   config.keys = '123123';
 
   config.sequelize = {
+    app: true,
+    agent: true,
     datasources: [
       {
         delegate: 'model',