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I asked a question in SO: http://stackoverflow.com/questions/33710856/is-the-value-of-this-in-switch-statement-in-typescript-1-6-2-and-atom-typescri
The issue doesn't seem to occur in VSCode on my system or in WebStorm on somebody else's, so I guess it is looking like an atom-typescript issue. Here is a copy of the SO post:
I have some Typescript code that looks something like this:
class Test {
private userId: string
constructor() {
this.userId = 'test'
}
test() {
return new Promise((resolve, reject) => {
let sharing = 'private'
console.log("before switch this.userId", this.userId);
switch (sharing) {
case "private":
resolve(this.userId);
break;
}
})
}
}
If I edit it in the Typescript playground the following Javascript code is emitted as I expect:
var Test = (function () {
function Test() {
this.userId = 'test';
}
Test.prototype.test = function () {
var _this = this;
return new Promise(function (resolve, reject) {
var sharing = 'private';
console.log("before switch this.userId", _this.userId);
switch (sharing) {
case "private":
resolve(_this.userId);
break;
}
});
};
return Test;
})();
However, if I edit the same code in my installed Atom editor, what is emitted is:
var Test = (function () {
function Test() {
this.userId = 'test';
}
Test.prototype.test = function () {
var _this = this;
return new Promise(function (resolve, reject) {
var sharing = 'private';
console.log("before switch this.userId", _this.userId);
switch (sharing) {
case "private":
resolve(this.userId); // This resolve is missing a _
break;
}
});
};
return Test;
})();
The difference is in the resolve statement 12 lines down. What is being resolved is this.userId instead of _this.userId.
I am running a new installation with:
- Atom 1.1.0
- atom-typescript 7.8.0
- Ubuntu 15.10
- typescript 1.6.2 installed with npm
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