Id

A library for consistently representing identifiers, usually in a code generation setting.

Purpose

The purpose of the library is to have a standard way of generating an object, an Id, that can be used in any of a variety of casing contexts.

Examples

For example, suppose you are writing a code generator that has a need for a single id with multiple representations. The following representations are covered:

• snake case: words are all lower case with underscores (how_now_brown_cow)
• emacs: words are all lower with hyphens (how-now-brown-cow)
• shout: words are all upper case with underscores (HOW_NOW_BROWN_COW)
• camel: words are joined with each word capitalized excluding the first (howNowBrownCow)
• capCamel: words are joined with all words capitalized (HowNowBrownCow)
• title: All words capitalized and joined with spaces (How Now Brown Cow)
• squish: Lower case with no hypens or underscores (hownowbrowncow)
• abbrev: The abbreviation in lower case (hnbc)

The default constructor requires the identifier to be snake case:

var id = new Id('how_now_brown_cow');
print(id);                   // => howNowBrownCow        
print(id.snake);             // => how_now_brown_cow     
print(id.emacs);             // => how-now-brown-cow     
print(id.shout);             // => HOW_NOW_BROWN_COW     
print(id.camel);             // => howNowBrownCow        
print(id.capCamel);          // => HowNowBrownCow        
print(id.title);             // => How Now Brown Cow     
print(id.squish);            // => hownowbrowncow        
print(id.abbrev);            // => hnbc                  

An library function accepts either snake or any camel and returns a new Id:

var id = idFromString('testName');