View source for Item:OSW6df03625b42e4b44bd9f2dfa77387887

=== Compare operator ===
<syntaxhighlight lang="javascript">
// register compare operator 
// e.g. {{#when <operand1> 'eq' <operand2>}} {{/when}}
// {{#when var1 'eq' var2}}equal{{else when var1 'gt' var2}}gt{{else}}lt{{/when}}
Handlebars.registerHelper("when", (operand_1, operator, operand_2, options) => {
	let operators = {
		'eq': (l, r) => l == r,
		'==': (l, r) => l == r,
		'===': (l, r) => l === r,
		'noteq': (l, r) => l != r,
		'!=': (l, r) => l != r,
		'!==': (l, r) => l !== r,
		'gt': (l, r) => (+l) > (+r),
		'>': (l, r) => (+l) > (+r),
		'gteq': (l, r) => ((+l) > (+r)) || (l == r),
		'>=': (l, r) => ((+l) > (+r)) || (l == r),
		'lt': (l, r) => (+l) < (+r),
		'<': (l, r) => (+l) < (+r),
		'lteq': (l, r) => ((+l) < (+r)) || (l == r),
		'<=': (l, r) => ((+l) < (+r)) || (l == r),
		'or': (l, r) => l || r,
		'||': (l, r) => l || r,
		'and': (l, r) => l && r,
		'&&': (l, r) => l && r,
		'mod': (l, r) => (l % r) === 0,
		'%': (l, r) => (l % r) === 0
	};
	let result = operators[operator](operand_1, operand_2);
	if (result) return options.fn(this);
	return options.inverse(this);
});
</syntaxhighlight>