// Don't need to handle these special control characters
// Slash (/)  \/
// Backspace \b
// Form feed \f
// New line \n
// Carriage return\r
// Horizontal tab \t


// Input:
// {"key1":"val1","key2":["item1",{"item2key":1.2}]}

// Output:
// {
//   "key1": "val1",
//   "key2": [
//     "item1",
//     {
//       "item2key": 1.2
//     }
//   ]


// }

const input = "{\"key1\":\"val1\",\"key2\":[\"item1\",{\"item2key\":1.2}]}";
const input2 = "{\"key,1\":\"val1\",\"key2\":[\"item1\",{\"item2key\":1.2}]}";

const solution = (somestr) => {
    let indentCount = 0;
    
    let finalStr = "";
    
    let isOpen = false;
    
    for(let i = 0; i < somestr.length; i++) {
        const char = somestr[i];
        if(char === "{") {
            finalStr += char;
            finalStr += "\n";
            indentCount++;
            finalStr += "\t".repeat(indentCount);
        }
        else if(char === "}") {
            finalStr += "\n";
            indentCount--;
            finalStr += "\t".repeat(indentCount);
            finalStr += char;
        }
        else if (char === "[") {
            finalStr += char;
            finalStr += "\n";
            indentCount++;
            finalStr += "\t".repeat(indentCount);
        }
        else if (char === "]") {
            finalStr += "\n";
            indentCount--;
            finalStr += "\t".repeat(indentCount);
            finalStr += "]";
        }
        else if (char === ",") {
            finalStr += char;
            finalStr += "\n"
            finalStr += "\t".repeat(indentCount);
        }
        else {
            if(char === '"') {
                isOpen = true
            }
            finalStr += char;
            i++;
            while(isOpen) {
                const newChar = somestr[i];
                
                finalStr += newChar;

                if(newChar === '"') {
                    isOpen = false;
                }
                i++;
            }
            i--;
        }
    }
    
    console.log(finalStr)
}
solution(input2)