'toISOString is not a function' when using 'redux-devtools-extension'

[kuncevic]

Here is the thread ngrx/platform#61 with detailed issue.

Basically there is something is going on when using https://github.com/gaearon/redux-devtools chrome extension, the issue is taking place only when extension is enabled.

I debug the issue for some time and discovered that it is related to import 'core-js/es6/date'; polyfil.

Seems like that is the piece of code which is causing an error:

$export($export.P + $export.F * __webpack_require__("../../../../core-js/modules/_fails.js")(function(){
  return new Date(NaN).toJSON() !== null || Date.prototype.toJSON.call({toISOString: function(){ return 1; }}) !== 1;
}), 'Date', {
  toJSON: function toJSON(key){
    var O  = toObject(this)
      , pv = toPrimitive(O);
    return typeof pv == 'number' && !isFinite(pv) ? null : O.toISOString();
  }
});

So if I comment the import 'core-js/es6/date'; in my polyfils.ts - all good, then I can use redux-devtools

Not sure if this one is related #326

[zloirock]

It's completely correct step by step implementation of Date.prototype.toJSON and it's not be polyfilled in modern engines. Could you add more info about your environment and provide a simple reproducible example? Your problem could be the same like in #326.

[kuncevic]

Could you add more info about your environment and provide a simple reproducible example?

@zloirock I will come back on that

[richinator38]

Using Angular 4.3 I could get this by lazy loading modules...it didn't occur before that change.

[zloirock]

Closed as can't reproduce.