[Question] How to create a filter which only uploads different size or non existing files?

[nealoke]

I've tried creating this but I'm really not familiar with fs or other native node modules. I've tried something like this but it is not working.

gulp.task('deploy:test', () => {
    const conn = ftp.create(ftpConfig);
    return gulp.src(`${paths.dist}**/*`, { base: './dist/', buffer: false }).pipe(conn.filter(domains.test, (local, remote, cb) => {

        if (!remote) {
            cb(null, local);
        }

        else if (local.stat.mtime > remote.ftp.date || local.stat.size !== remote.ftp.size) {
            cb(null, local);
        }
    }));
});

[phated]

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