This is an awful project. Someone took his own preferences for code style and tries to make it look like some "standard". The parts that I don't like the most

This is an awful project. Someone took his own preferences for code style and tries to make it look like some "standard". The parts that I don't like the most are 2 spaces for indentation (why so small? who else is using such small indentation?) and "no semicolons" rule. It would be better to adopt some style guide from Java, because JS has similar syntax and because Java has been in use in large projects for a long time.