create image resizer

tools/imageResizer.js

@@ -0,0 +1,34 @@
+const fs = require('fs');
+const path = require('path');
+const jimp = require('jimp')
+
+
+module.exports = function (image){
+    return new Promise ((resolve, reject)=>{
+        let imageAddress = path.join(__dirname + "/../public/images/" + image)
+        let imageNameWithOutExtn = image.slice(0 , image.indexOf('.') )
+        jimp.read(imageAddress)
+  .then(lenna => {
+    return lenna
+      .resize(157, 142) // resize
+      .quality(90) // set JPEG quality
+      .write(`./public/images/resized/${imageNameWithOutExtn}.png`); // save
+  })
+  .then((res)=>{
+    try {
+
+        fs.unlinkSync(__dirname + '/../public/images/' + image)
+        console.log('original picture is deleted .....')
+        console.log('----------------------------')
+      } catch (err) {
+        console.log(err);
+        console.log('original picture not deleted .....')
+      }
+      resolve(res)
+  })
+  .catch(err => {
+    reject(err)
+  });
+    })
+
+}