updates

datasets/assetData/curves/index.js

@@ -25,7 +25,11 @@ class AssetLoader {
    */
   loadAsset(datasetType, assetId) {
     //const cacheKey = `${datasetType}/${assetId}`;
-    const cacheKey = `${assetId}`;
+    const normalizedAssetId = String(assetId || '').trim();
+    if (!normalizedAssetId) {
+      return null;
+    }
+    const cacheKey = normalizedAssetId.toLowerCase();
 
     
     // Check cache first
@@ -34,11 +38,11 @@ class AssetLoader {
     }
 
     try {
-      const filePath = path.join(this.baseDir, `${assetId}.json`);
+      const filePath = this._resolveAssetPath(normalizedAssetId);
 
       // Check if file exists
-      if (!fs.existsSync(filePath)) {
-        console.warn(`Asset not found: ${filePath}`);
+      if (!filePath || !fs.existsSync(filePath)) {
+        console.warn(`Asset not found for id '${normalizedAssetId}' in ${this.baseDir}`);
         return null;
       }
 
@@ -56,6 +60,21 @@ class AssetLoader {
     }
   }
 
+  _resolveAssetPath(assetId) {
+    const exactPath = path.join(this.baseDir, `${assetId}.json`);
+    if (fs.existsSync(exactPath)) {
+      return exactPath;
+    }
+
+    const target = `${assetId}.json`.toLowerCase();
+    const files = fs.readdirSync(this.baseDir);
+    const matched = files.find((file) => file.toLowerCase() === target);
+    if (!matched) {
+      return null;
+    }
+    return path.join(this.baseDir, matched);
+  }
+
   /**
    * Get all available assets in a dataset
    * @param {string} datasetType - The dataset folder name
@@ -121,4 +140,4 @@ console.log('Available curves:', availableCurves);
 const { AssetLoader } = require('./index.js');
 const customLoader = new AssetLoader();
 const data = customLoader.loadCurve('hidrostal-H05K-S03R');
-*/
+*/