automated converting between gif and mp4 with single image convertion separated

gifToMp4.js

@@ -0,0 +1,9 @@
+const { exec } = require("child_process");
+
+module.exports = function gifToMp4(inputFile = __dirname + '/input.gif', outputFile = __dirname + '/output.gif', callback) {
+    console.log('converting gif to mp4');
+    exec(`ffmpeg -i ${inputFile} ${outputFile} -y`, () => {
+        callback(outputFile);
+    });
+
+}