if (value.trim() !== "") {
                                    // check geo data                            
                                    if (b && key.startsWith('GPS')) {
                                        // TODO ???
                                        // if (key == "GPSLatitude")
                                        //     value = Number.parseFloat(Math.abs(value).toFixed(5));
                                        // if (key == "GPSLongitude")
                                        //     value = Number.parseFloat(Math.abs(value).toFixed(5));
                                        // console.log(key, value);
                                        _geoDat[key.toLowerCase()] = value;
                                    }
                                    s = decamelize(key, " ");
                                    _this.addPhotodata(s, value);

                                // check geo data                            
                                if (b && key.startsWith('GPS')) {
                                    // TODO ???
                                    // if (key == "GPSLatitude")
                                    //     value = Number.parseFloat(Math.abs(value).toFixed(5));
                                    // if (key == "GPSLongitude")
                                    //     value = Number.parseFloat(Math.abs(value).toFixed(5));
                                    // console.log(key, value);
                                    _geoDat[key.toLowerCase()] = value;

                                s = decamelize(key, " ");
                                _this.addPhotodata(s, value);

               <div id="media-id{{this.id}}" {{{photoMeta meta}}} {{~#if isVideo~}} data-html="#media{{id}}" {{~else~}} data-src="{{relative urls.large}}" {{~/if~}} data-exthumbimage="{{relative urls.thumbnail}}" data-filename="{{filename}}">

               <div id="media-id{{this.id}}" {{{photoMeta meta @root.gallery.settings}}} {{~#if isVideo~}} data-html="#media{{id}}" {{~else~}} data-src="{{relative urls.large}}" {{~/if~}} data-exthumbimage="{{relative urls.thumbnail}}" data-filename="{{filename}}">

const path = require('path')
const fs = require('fs-extra')

module.exports = meta => {

module.exports = (meta, config) => {

            // prepare the data sections

            // try to copy the exif file
            if (meta.all.SourceFile && config.folders.input) {
                var metafile = copyMetaFiles(meta, config);
                if (metafile)
                    checkMeta('data-metadata', metafile);
            }

}
function copyMetaFiles(meta, config) {
    const filename = meta.all.SourceFile.replace(".", "-") + ".json";
    const sourceFile = config.folders.input + '/' + filename;
    const targetFile = config.folders.output + '/media/large/' + filename;
    try {
        fs.copySync(sourceFile, targetFile)
        return 'media/large/' + filename;
    } catch (err) {
        return null;
    }
}
function writeMetadata(data) {
    const filename = data.filename.replace('.', '_') + '.json';
    var content = JSON.stringify(data);
    try {
        console.log("writedata:", filename)
        fs.mkdirsSync(path.dirname(filename))
        fs.writeFileSync(filename, content);
    } catch (e) {
        console.log("Cannot write file ", filename, e);
    }

        "concat": "^1.0.3",
        "node-exiftool": "^2.3.0"

        "concat": "^1.0.3"

        "fs-extra": "^8.0.1",

        "node-exiftool": "^2.3.0",

- OPTIONAL 

- **OPTIONAL** 

- **Node Modules**
  + npm install --save-dev fs-extra del node-exiftool
  + others optional see package.json

- New lightgallery plugin metadata 
- Deploy json files from album folders