Resize / Rename

index.js

const rootImageFolder = './images/';

function cleanNaming(directory) {
    return directory.replace(/\d{1,}\s/g, '').replaceAll(/-\s/g, '').replaceAll(/\s/g, '-').toLowerCase();
}

function renameImage(source, exportName) {
    fs.rename(source, exportName, function(err) {
        if ( err ) console.log('ERROR: ' + err);
        log(clc.blue("Rename cover"))
    });
}

function resizePicture(source, exportName, width, height, type='') {
    source
    .resize(width, height, type)
    .autoOrient()
    .write(exportName, function (err) {
        if(err) console.log(err);
        log(clc.blue("Resize and rename"))
        log(clc.green(exportName))
    })
}

app.get("/", (req, res) => {
    
    const directories = getDirectories(rootImageFolder);
    
    directories.forEach((directory, index) => {
        const currentImageDirectory = `${rootImageFolder}${directory}`;
        fs.readdir(currentImageDirectory, (err, files) => {
            const folderName = cleanNaming(directory);
            files.forEach((file, index) => {
                // Export name + Export name square
                const exportName = `${currentImageDirectory}/${folderName}-${index}.jpg`
                const exportCover = `${currentImageDirectory}/cover-${folderName}.jpg`
                const currentFileName = `${currentImageDirectory}/${file}`
                
                // Resize or change name
                gm(currentFileName)
                .size(function (err, size) {
                    if (err){
                        return false;
                    }
                    const width = size.width;
                    if (width > 2000) {
                        resizePicture(this, exportName, 40, 40, '%');
                    } else {
                        renameImage(currentFileName, exportCover)
                    }
                })
            });
        });
        
    });
    res.send('Finished!');
})