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README.md

 # koishi-plugin-picsource-localfs
 
-Koishi 的本地图源插件
+Koishi 的本地图源插件。
\ No newline at end of file
+
+## 安装
+
+### npm
+
+```bash
+npm install koishi-plugin-picsource-localfs
+```
+
+## 配置
+
+* `sources` 图源实例列表。共通实例属性见 [`koishi-plugin-pics`](https://code.mycard.moe/3rdeye/koishi-plugin-pics) 的 `PicSourceInfo` 定义。
+  * `name` 实例名称。
+  * `path` 图片路径。必填。
+  * `patterns` 允许的文件后缀。使用 `*` 表示当前目录，`**` 表示递归所有子目录。
+  * `exclude` 排除的路径。
+  * `displayFilename` 是否显示文件名。默认 `true` 。
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package.json

@@ -26,11 +26,12 @@
   },
   "homepage": "https://code.mycard.moe/3rdeye/koishi-plugin-picsource-localfs",
   "dependencies": {
+    "koishi-utils-schemagen": "^1.1.7",
     "source-map-support": "^0.5.20"
   },
   "peerDependencies": {
     "koishi": "^4.0.0-alpha.11",
-    "koishi-plugin-pics": "^1.0.0"
+    "koishi-plugin-pics": "^1.0.2"
   },
   "devDependencies": {
     "@types/node": "^16.11.4",
@@ -40,8 +41,7 @@
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^3.4.1",
     "koishi": "^4.0.0-alpha.11",
-    "koishi-plugin-pics": "^1.0.0",
-    "koishi-utils-schemagen": "^1.1.5",
+    "koishi-plugin-pics": "^1.0.4",
     "prettier": "^2.4.1",
     "raw-loader": "^4.0.2",
     "read-dir-deep": "^7.0.1",

src/LocalSource.ts

@@ -13,12 +13,14 @@ export class LocalSource extends PicSource {
 
   async randomPic(picTags: string[]): Promise<PicResult> {
     const absolutePath = path.resolve(process.cwd(), this.config.path);
-    const files = await readDirDeep(absolutePath, {
+    const files = (
+      await readDirDeep(absolutePath, {
         absolute: true,
         patterns: this.config.patterns,
         gitignore: false,
         ignore: this.config.exclude,
-    });
+      })
+    ).filter((f) => picTags.every((t) => f.includes(t)));
     if (!files.length) {
       return null;
     }

src/config.ts

 import 'source-map-support/register';
-import { DefineSchema } from 'koishi-utils-schemagen';
-import {
-  PicResult,
-  PicSource,
-  PicSourceConfig,
-  PicSourceInfo,
-} from 'koishi-plugin-pics';
+import { DefineSchema, schemaFromClass } from 'koishi-utils-schemagen';
+import { PicSourceConfig, PicSourceInfo } from 'koishi-plugin-pics';
 import { Context } from 'koishi';
 import { LocalSource } from './LocalSource';
 
@@ -45,8 +40,15 @@ export class LocalSourceConfig
 
   registerInstance(ctx: Context) {
     const instance = new LocalSource(ctx, this);
+    ctx
+      .logger('picsource-localfs')
+      .info(`Registered localfs pic source ${instance.name}.`);
+    if (ctx.pics) {
+      ctx.pics.addSource(instance, ctx);
+    }
     ctx.on('service/pics', () => {
       if (!ctx.pics) {
+        ctx.logger('picsource-localfs').warn(`Pics container not found.`);
         return;
       }
       ctx.pics.addSource(instance, ctx);

webpack.config.js

@@ -28,5 +28,6 @@ module.exports = {
   externals: {
     koishi: 'koishi',
     'koishi-plugin-pics': 'koishi-plugin-pics',
+    'koishi-utils-schemagen': 'koishi-utils-schemagen',
   },
 };