fixed a bug & replicated all changes to docker version

docker/src/shared/config.js

@@ -0,0 +1,71 @@
+import fs from 'fs';
+import path from 'path';
+import os from 'os';
+import yaml from 'js-yaml';
+
+const BASE_DIR = path.join(os.homedir(), 'WaifuBoards');
+const CONFIG_PATH = path.join(BASE_DIR, 'config.yaml');
+
+const DEFAULT_CONFIG = {
+    library: {
+        anime: null,
+        manga: null,
+        novels: null
+    }
+};
+
+function ensureConfigFile() {
+    if (!fs.existsSync(BASE_DIR)) {
+        fs.mkdirSync(BASE_DIR, { recursive: true });
+    }
+
+    if (!fs.existsSync(CONFIG_PATH)) {
+        fs.writeFileSync(
+            CONFIG_PATH,
+            yaml.dump(DEFAULT_CONFIG),
+            'utf8'
+        );
+    }
+}
+
+export function getConfig() {
+    ensureConfigFile();
+    const raw = fs.readFileSync(CONFIG_PATH, 'utf8');
+    return yaml.load(raw) || DEFAULT_CONFIG;
+}
+
+export function setConfig(partialConfig) {
+    ensureConfigFile();
+
+    const current = getConfig();
+    const next = deepMerge(current, partialConfig);
+
+    fs.writeFileSync(
+        CONFIG_PATH,
+        yaml.dump(next),
+        'utf8'
+    );
+
+    return next;
+}
+
+function deepMerge(target, source) {
+    for (const key in source) {
+        if (
+            source[key] &&
+            typeof source[key] === 'object' &&
+            !Array.isArray(source[key])
+        ) {
+            target[key] = deepMerge(target[key] || {}, source[key]);
+        } else {
+            target[key] = source[key];
+        }
+    }
+    return target;
+}
+
+module.exports = {
+    ensureConfigFile,
+    getConfig,
+    setConfig,
+};