Different method result after minification

[riccardocarbone77]

We use the last version of package (v1.20)

Describe the bug After minify a ES5 javascript transpliller file, the code not working corretly. test.zip

To Reproduce

• From typescript source code file test,ts, we transplile to ES5 javascript with tsc; (test.js)
• We minified the test.js file as in the example file (testMinification.linq)

• if we execute the following test we have different result

  let mytest = new myTest(); mytest.RefreshData(['test']); console.log(mytest.AnyDetail: ${mytest.AnyDetail});

  • in the case of original file the result is true
  • in the case of minify file the result is false

Minified output or stack trace var MyTest=function(){function MyTest(){}return Object.defineProperty(MyTest.prototype,"AnyDetail",{get:function(){var _b;return!0&&_b!==void 0?_b:!1},enumerable:!1,configurable:!0}),MyTest.prototype.RefreshData=function(data){this.myArray=data},MyTest}();

We tried we another minification tool and the result of the test was true

var MyTestNPMUglify = (function () {
  function t() {}
  return (
    Object.defineProperty(t.prototype, 'AnyDetail', {
      get: function () {
        var t;
        return null !== (t = 0 < (null == (t = this.myArray) ? void 0 : t.length)) && t;
      },
      enumerable: !1,
      configurable: !0
    }),
    (t.prototype.RefreshData = function (t) {
      this.myArray = t;
    }),
    t
  );
})();

[Seresam]

hi, is this issue being investigated?

[riccardocarbone77]

Hi, not again. 

[riccardocarbone77]

Hi, do you have news about the problem? Thanks

[trullock]

I'm afraid I have very little time to work on this.

Submitting a PR with a bare minimum test case that replicates the issue would help get this moving