Get the caller context for any function after arguments.callee.caller deprecation

caller.js

/**
 * Usage:
 * import callerProp from "./caller.js";
 * Object.defineProperty(global, "__caller", callerProp);
 * 
 * function A() {
 *     return B();
 * }
 * function B() {
 *     console.log(__caller.name); // A
 *     console.log(typeof __caller); // Function
 * }
 */
export default {
    configurable: true,
    enumerable: false,
    get: function() {
        const _prepareStackTrace = Error.prepareStackTrace;
        try {
            let result = null;
            Error.prepareStackTrace = (_, callSites) => {
                // Ignores this property (0) and the callee (1)
                result = callSites[2] ?? null;
                return callSites;
            };

            new Error().stack; // eslint-disable-line unicorn/error-message, no-unused-expressions

            if (!result) {
                return null;
            }

            return result.getFunction();
        } finally {
            Error.prepareStackTrace = _prepareStackTrace;
        }
    }
};