add StarterPlugin for even easier starter

package-lock.json

@@ -15,7 +15,7 @@
         "koishi-decorators": "^2.0.1",
         "lodash": "^4.17.21",
         "reflect-metadata": "^0.1.13",
-        "schemastery-gen": "^3.1.10",
+        "schemastery-gen": "^3.1.13",
         "typed-reflector": "^1.0.10"
       },
       "devDependencies": {
@@ -5853,9 +5853,9 @@
       }
     },
     "node_modules/schemastery-gen": {
-      "version": "3.1.10",
-      "resolved": "https://registry.npmjs.org/schemastery-gen/-/schemastery-gen-3.1.10.tgz",
-      "integrity": "sha512-hwCLOICGEodCcQt+eLoEEvNhm7iSEwJB37JQ+27cHbggTry/Rq07ivXVsPw63Et74EobEaOGDVOTzJ4kIQa01w==",
+      "version": "3.1.13",
+      "resolved": "https://registry.npmjs.org/schemastery-gen/-/schemastery-gen-3.1.13.tgz",
+      "integrity": "sha512-KXkjV9AuKWBlkJ8yEhLYDh7wRcM8p/M+s30Ig6g5eYlGfv7KVUGmpSVVtcH+fUZG+zS/7/UfCreMqqqFJBPdNw==",
       "dependencies": {
         "lodash": "^4.17.21",
         "reflect-metadata": "^0.1.13",
@@ -11324,9 +11324,9 @@
       }
     },
     "schemastery-gen": {
-      "version": "3.1.10",
-      "resolved": "https://registry.npmjs.org/schemastery-gen/-/schemastery-gen-3.1.10.tgz",
-      "integrity": "sha512-hwCLOICGEodCcQt+eLoEEvNhm7iSEwJB37JQ+27cHbggTry/Rq07ivXVsPw63Et74EobEaOGDVOTzJ4kIQa01w==",
+      "version": "3.1.13",
+      "resolved": "https://registry.npmjs.org/schemastery-gen/-/schemastery-gen-3.1.13.tgz",
+      "integrity": "sha512-KXkjV9AuKWBlkJ8yEhLYDh7wRcM8p/M+s30Ig6g5eYlGfv7KVUGmpSVVtcH+fUZG+zS/7/UfCreMqqqFJBPdNw==",
       "requires": {
         "lodash": "^4.17.21",
         "reflect-metadata": "^0.1.13",

package.json

@@ -54,7 +54,7 @@
     "koishi-decorators": "^2.0.1",
     "lodash": "^4.17.21",
     "reflect-metadata": "^0.1.13",
-    "schemastery-gen": "^3.1.10",
+    "schemastery-gen": "^3.1.13",
     "typed-reflector": "^1.0.10"
   },
   "jest": {

src/base-plugin.ts

 import { Context } from 'koishi';
-import { InjectConfig } from './decorators';
+import { ClassType } from 'schemastery-gen';
+import { InjectConfig, PluginSchema } from './decorators';
 
 export type PartialDeep<T> = T extends
   | string
@@ -38,3 +39,9 @@ export class BasePlugin<C, PC = PartialDeep<C>> {
   @InjectConfig()
   config: C;
 }
+
+export function StarterPlugin<C>(config: ClassType<C>) {
+  const plugin = class StarterPluginBase extends BasePlugin<C> {};
+  PluginSchema(config)(plugin);
+  return plugin;
+}