Merge pull request #72 from shebinleo/replace-gm-lib-with-sharp

replaced gm package with sharp. fixes #71

Author: shebinleo

lib/ImageProcessor.js

@@ -1,22 +1,20 @@
 // lib/ImageProcessor.js
-const gm = require('gm').subClass({ imageMagick: true });
+const sharp = require('sharp');
 
 /**
  * Image processing utilities
  */
 class ImageProcessor {
     static async resize(sourceFilepath, targetFilepath, options) {
-        return new Promise((resolve, reject) => {
-            gm(sourceFilepath)
-                .resize(options.width, options.height, '!')
-                .write(targetFilepath, (err) => {
-                    if (err) {
-                        reject(new Error(`Image resize failed: ${err.message}`));
-                        return;
-                    }
-                    resolve();
-                });
-        });
+        try {
+            await sharp(sourceFilepath)
+                .resize(options.width, options.height, {
+                    fit: 'fill', // equivalent to gm's '!' option for exact dimensions
+                })
+                .toFile(targetFilepath);
+        } catch (err) {
+            throw new Error(`Image resize failed: ${err.message}`);
+        }
     }
 }