Object with zero-length string key results in TypeError

[paulcyr]

Version: 2.0.2

Steps To Reproduce

const realisticStructuredClone = require("realistic-structured-clone");
const sample = {
    "": new Map(),
};
realisticStructuredClone(sample);

The current behavior

The following error is thrown:

TypeError: #<Object> is not iterable
    at new Map (<anonymous>)
    at Object.revive (<redacted>/node_modules/realistic-structured-clone/dist/index.js:1436:16)
    at <redacted>/node_modules/realistic-structured-clone/dist/index.js:1784:156
    at Array.reduce (<anonymous>)
    at _revive (<redacted>/node_modules/realistic-structured-clone/dist/index.js:1783:43)
    at Typeson.c.revive (<redacted>/node_modules/realistic-structure…s/release/async.js:93:12)
    at _drainQueue (<redacted>/node_modules/bluebird/js/release/async.js:86:9)
    at Async.Object.<anonymous>.Async._drainQueues (<redacted>/node_modules/bluebird/js/release/async.js:102:5)
    at Immediate.Async.drainQueues [as _onImmediate] (<redacted>/node_modules/bluebird/js/release/async.js:15:14)
    at runCallback (timers.js:705:18)
    at tryOnImmediate (timers.js:676:5)
    at processImmediate (timers.js:658:5)

The expected behavior

realisticStructuredClone should return an object that with a key of "" and a value that is an empty Map.