The following guidelines should be followed when writing a loader. They are ordered in terms of importance, and some only apply in certain scenarios:

• Simplifying the purpose of the loader
• Utilizing chaining
• Modular outputting
• Ensuring statelessness
• Employing loader utilities
• Marking loader dependencies
• Resolving module dependencies
• Extracting common code
• Avoiding absolute paths at all costs!
• Using peer dependencies

Let's go through each one in more detail, starting with simplification.