/// @description Takes in a JSON string and return a prettified version.
/// @param string The JSON input string.
var jsonOutput = "", tabWidth = 4, tabCount = 0, inString = false, inEscape = false;
for(var i = 1; i < string_length(argument[0]) + 1; i++) {
	var charGet = string_char_at(argument[0], i);
	switch (charGet) {
		case "}": case "]": {
			if (inString == false) {
				jsonOutput += "\n" + string_repeat(chr($20), --tabCount * tabWidth);
			}
		break;}
	}
		
	if (inString == true) {
		jsonOutput += charGet;
	} else {
		if (charGet != chr($20)) {
			jsonOutput += charGet;
		}
	}
		
	switch (charGet) {
		case "{": case "[": {
			if (inString == false) {
				jsonOutput += "\n" + string_repeat(chr($20), ++tabCount * tabWidth);
			}
		break};
			
		case ":": {
			if (inString == false) {
				jsonOutput += " ";
			}
		break;}
			
		case ",": {
			if (inString == false) {
				jsonOutput += "\n" + string_repeat(chr($20), tabCount * tabWidth);
			}
		break;}
			
		case "\"": {
			if (inEscape == false) {
				inString = !inString;
			}
		break;}
	}
	
	if (inEscape == true) {
		inEscape = false;
	} else if (charGet == "\\") {
		inEscape = true;
	}
}

return jsonOutput;