print_r WIP :P

print_r.js

const printR = (obj, stringify = true) => {
    let ret;
    switch (true) {
        case typeof obj === 'string':
        case Number.isFinite(obj):
        case Number.isNaN(obj):
        case obj === null:
        case typeof obj === 'undefined':
        case typeof obj === 'boolean':
            ret = obj;
            break;
        case typeof obj === 'function':
            ret = obj.toString();
            break;
        case Array.isArray(obj):
            ret = obj.map(item => printR(item, false));
            break;
        case /(Typed|Float\d+|(Big)?U?[iI]nt\d+)(Clamped)?Array/.test(obj.constructor.name):
            ret = `[${obj.constructor.name}]`;
            break;
        case obj instanceof Map:
        case obj instanceof Set:
            ret = Array.from(obj);
            break;
        default:
            ret = {};
            Object.keys(obj).forEach(key => {
                ret[key] = printR(obj[key], false);
            });
    }
    return stringify ? JSON.stringify(ret) : ret;
};