var fs = require('fs'); fs.access( './server/rev-manifest.json', function(err) { if (err) { console.log('\n\ncreating manifest\n\n'); return fs.writeFileSync('server/rev-manifest.json', '{}'); } console.log('\n\nrev-manifest present\n\n'); return null; } ); fs.access( './server/resources/pathMigration.json', err => { if (err) { console.log('\n\ncreating pathMigration\n\n'); return fs.writeFileSync('server/resources/pathMigration.json', '{}'); } console.log('\n\npathMigration present\n\n'); return null; } );