Parses XML into JSON

xml-parse.ts

// INPUT XML
const xml =
    `<Person>
    <FirstName>John</FirstName>
    <LastName>Smith</LastName>
    <Contact>
        <Address>
            <Street>1000 East St</Street>
            <City>Atlanta</City>
            <Zip>30330</Zip>
            <Phone>
                <Home>12345678990</Home>
                <Work>1234567890</Work>
            </Phone>
        </Address>
    </Contact>
</Person>`;

let tags: string[] = [];
let res = '';
let currentDepth = 0;
// replace tag markers
xml.replace(/>(.*)<\/(.*)>/g, '/>')
    .replace(/</g, '')
    .replace(/>/g, '')
    .split('\n')
    .map(val => {
        val = val.replace(/\s/g, '');
        if (val.indexOf('/') == 0) {
            return 'CLOSING_TAG';
        };
        return val;
    }).forEach((item) => {
        if (item == 'CLOSING_TAG') {
            currentDepth--;
        } else {
            res = res + item.replace('/', '') + ' ' + currentDepth + '\n';
        }
        if (item.indexOf('/') < 0) {
            currentDepth++;
        }
    })

// OUTPUT result
console.log(res);