generate-id.js

// generative id function
function id(type, identifier) {
	
	// ensure identifier is a string
	identifier = String(identifier);
	
	// set placeholder
	if (!identifier) {
		
		// set identifier to 'PLACEHOLDER'
		identifier = 'PLACEHOLDER';
		
		// log warning
		console.warn('identifier is empty, using PLACEHOLDER');
		
	}
	
	// convert string to camelCase function
	function camel(identifier) {

		// split the identifier into an array of words by spaces
		identifier = identifier.split(' ');

		// convert the array of words into camelCase format
		return identifier.map((word, index) => {

			// ensure each word is in lowercase
			const lowerCasedWord = word.toLowerCase();

			// capitalize the first letter of all words (except the first word)
			return index === 0 ? lowerCasedWord : lowerCasedWord.charAt(0).toUpperCase() + lowerCasedWord.slice(1);
			
		// join the array of words back into a string	
		}).join('');
		
	}
	
	// concatenate the type and identifier with camelCase
	const identifierCamel = camel(identifier);
	
	// set fallback type
	type = type || 'Thing';
	
	// construct & return id
	return 'id#' + type + '-' + identifierCamel;
	
}