Balance Brackets

Function Name: balanceBrackets

Description

Write a function 'balanceBrackets' that takes a string containing only brackets ('{', '}', '(', ')', '[', ']') and determines if the string contains a valid sequence of brackets. A bracket sequence is considered valid if every opening bracket has a corresponding closing bracket and the brackets are properly nested.

Requirements

• The function must return a boolean indicating whether the input string is balanced.
• The function should handle an empty string as input and return true, as an empty string is trivially balanced.
• If the string contains characters other than the aforementioned brackets, the function should return false.
• You must not use any external libraries or packages.
• Optimize the function for readability and efficiency.

Examples

balanceBrackets('()[]{}') // returns truebalanceBrackets('([)]') // returns falsebalanceBrackets('{[()]}') // returns truebalanceBrackets('') // returns truebalanceBrackets('[(])') // returns falsebalanceBrackets('{[(])}') // returns falsebalanceBrackets('{[]}()') // returns true