Should Gulp split files into libraries and scripts (e.g. libs.min.js, scripts.min.js)?

Question

gulp.js

Hello. Please tell me what you think about splitting Gulp files into libraries and scripts (for example, libs.min.js, app.min.js, libs.min.css, app.min.css) or all into one file ( app.min.js,app.min.css)? But this is rather inconvenient (without breakdown), although the point is to load faster.