feat: add config files to override settings defined in framework

Author: waitingsong

framework-ts/app/config/config.default.ts

@@ -0,0 +1,29 @@
+import { EggAppConfig, PowerPartial } from 'egg';
+
+// for config.{env}.ts
+export type DefaultConfig = PowerPartial<EggAppConfig & BizConfig>;
+
+// app special config scheme
+export interface BizConfig {
+  sourceUrl: string;
+  news: {
+    pageSize: number;
+    serverUrl: string;
+  };
+}
+
+export default (appInfo: EggAppConfig) => {
+  const config = <PowerPartial<EggAppConfig> & BizConfig> {};
+
+  // app special config
+  config.sourceUrl = `https://github.com/eggjs/examples/tree/master/${appInfo.name}`;
+  config.news = {
+    pageSize: 30,
+    serverUrl: 'https://hacker-news.firebaseio.com/v0',
+  };
+
+  // override config from framework / plugin
+  config.keys = appInfo.name + '123456';
+
+  return config;
+};

framework-ts/app/config/config.local.ts

@@ -0,0 +1,9 @@
+import { DefaultConfig } from './config.default';
+
+export default () => {
+  const config: DefaultConfig = {};
+  config.news = {
+    pageSize: 20,
+  };
+  return config;
+};

framework-ts/app/config/config.prod.ts

@@ -0,0 +1,9 @@
+import { DefaultConfig } from './config.default';
+
+export default () => {
+  const config: DefaultConfig = {};
+  config.news = {
+    pageSize: 30,
+  };
+  return config;
+};

framework-ts/app/config/plugin.ts

@@ -0,0 +1,3 @@
+
+export default {
+};