Function filenameFormat

scripts/insta_injectDownloadBtn.js:844–862

(
          template,
          id,
          datetime,
          medianame,
          postId = +new Date(),
          mediaIndex = "0"
        )

        }

        function filenameFormat(
          template,
          id,
          datetime,
          medianame,
          postId = +new Date(),
          mediaIndex = "0"
        ) {
          let filename = template;
          filename = filename.replace(/%id%/g, id);
          filename = filename.replace(
            /%datetime%/g,
            datetimeFormat(datetimeTemplate, datetime)
          );
          filename = filename.replace(/%medianame%/g, medianame);
          filename = filename.replace(/%postId%/g, postId);
          filename = filename.replace(/%mediaIndex%/g, mediaIndex);
          return filename;
        }

        function datetimeFormat(template, datetime) {
          let datetimeStr = template;