Javascript and tooling from https://www.youtube.com/watch?v=xkBheRZTkaw starting at 6:55 - 8:04

• npm is company and package manager
• npm is commandline tool
• yarn is alternative for npm (package manager) using npm packages
• rollup is module bundler. Alternatives webpack / parcel

package manager repository tool

module manager uses local packages

Guidelines (un)named exports

• Default exports give other name to imports. This can be confusing.
• Best practice always use named exports.