match curly brackets

backets.js

function getBrackets(str) {
    // Initialize the stack to keep track of open braces
    const stack = [];

    // Initialize the result string
    let result = "";

    // Iterate over each character in the input string
    for (let i = 0; i < str.length; i++) {
        const char = str[i];

        // If the character is an open brace, push it to the stack
        if (char === "{") {
            stack.push(i);
        }

        // If the character is a close brace, pop the last open brace from the stack
        // and extract the substring between the open and close braces
        if (char === "}") {
            const start = stack.pop();
            result = str.substring(start, i + 1);
        }
    }

    // Return the result string
    return result;
}