File: propertyAccessOnTypeParameterWithConstraints.js

package info (click to toggle)
node-typescript 4.9.5%2Bds1-2
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 533,908 kB
  • sloc: javascript: 2,018,330; makefile: 7; sh: 1
file content (63 lines) | stat: -rw-r--r-- 1,395 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
//// [propertyAccessOnTypeParameterWithConstraints.ts]
// generic types should behave as if they have properties of their constraint type
// no errors expected 

class C<T extends Date> {
    f() {
        var x: T;
        var a = x['getDate'](); // number
        return a + x.getDate();
    }
}

var r = (new C<Date>()).f();

interface I<T extends Date> {
    foo: T;
}
var i: I<Date>;
var r2 = i.foo.getDate();
var r2b = i.foo['getDate']();

var a: {
    <T extends Date>(): T;
}
var r3 = a<Date>().getDate();
var r3b = a()['getDate']();

var b = {
    foo: <T extends Date>(x: T) => {
        var a = x['getDate'](); // number
        return a + x.getDate();
    }
}

var r4 = b.foo(new Date());

//// [propertyAccessOnTypeParameterWithConstraints.js]
// generic types should behave as if they have properties of their constraint type
// no errors expected 
var C = /** @class */ (function () {
    function C() {
    }
    C.prototype.f = function () {
        var x;
        var a = x['getDate'](); // number
        return a + x.getDate();
    };
    return C;
}());
var r = (new C()).f();
var i;
var r2 = i.foo.getDate();
var r2b = i.foo['getDate']();
var a;
var r3 = a().getDate();
var r3b = a()['getDate']();
var b = {
    foo: function (x) {
        var a = x['getDate'](); // number
        return a + x.getDate();
    }
};
var r4 = b.foo(new Date());