functionCallerName.js

const getCallerName = () => {
    const stackTrace: any = new Error().stack || '';
    let callerName = stackTrace.replace(/^Error\s+/, ''); // Sanitize Chrome
    callerName = callerName.split('\n')[2]; // 1st item is this, 2nd item is caller
    callerName = callerName.replace(/^\s+at Object./, ''); // Sanitize Chrome
    callerName = callerName.replace(/ \(.+\)$/, ''); // Sanitize Chrome
    return callerName.replace('at ', '');
};