File: conditionalOperatorWithIdenticalBCT.js

package info (click to toggle)
node-typescript 3.3.3333-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 324,548 kB
  • sloc: makefile: 6; sh: 3
file content (119 lines) | stat: -rw-r--r-- 3,812 bytes parent folder | download
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
//// [conditionalOperatorWithIdenticalBCT.ts]
//Cond ? Expr1 : Expr2,  Expr1 and Expr2 have identical best common type
class X { propertyX: any; propertyX1: number; propertyX2: string };
class A extends X { propertyA: number };
class B extends X { propertyB: string };

var x: X;
var a: A;
var b: B;

//Cond ? Expr1 : Expr2,  Expr1 is supertype
//Be Not contextually typed
true ? x : a;
var result1 = true ? x : a;

//Expr1 and Expr2 are literals
true ? {} : 1;
true ? { a: 1 } : { a: 2, b: 'string' };
var result2 = true ? {} : 1;
var result3 = true ? { a: 1 } : { a: 2, b: 'string' };

//Contextually typed
var resultIsX1: X = true ? x : a;
var result4: (t: A) => any = true ? (m) => m.propertyX : (n) => n.propertyA;

//Cond ? Expr1 : Expr2,  Expr2 is supertype
//Be Not contextually typed
true ? a : x;
var result5 = true ? a : x;

//Expr1 and Expr2 are literals
true ? 1 : {};
true ? { a: 2, b: 'string' } : { a: 1 };
var result6 = true ? 1 : {};
var result7 = true ? { a: 2, b: 'string' } : { a: 1 };

//Contextually typed
var resultIsX2: X = true ? x : a;
var result8: (t: A) => any = true ? (m) => m.propertyA : (n) => n.propertyX;

//Result = Cond ? Expr1 : Expr2,  Result is supertype
//Contextually typed
var resultIsX3: X = true ? a : b;
var result10: (t: X) => any = true ? (m) => m.propertyX1 : (n) => n.propertyX2;

//Expr1 and Expr2 are literals
var result11: any = true ? 1 : 'string';


//// [conditionalOperatorWithIdenticalBCT.js]
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
//Cond ? Expr1 : Expr2,  Expr1 and Expr2 have identical best common type
var X = /** @class */ (function () {
    function X() {
    }
    return X;
}());
;
var A = /** @class */ (function (_super) {
    __extends(A, _super);
    function A() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return A;
}(X));
;
var B = /** @class */ (function (_super) {
    __extends(B, _super);
    function B() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return B;
}(X));
;
var x;
var a;
var b;
//Cond ? Expr1 : Expr2,  Expr1 is supertype
//Be Not contextually typed
true ? x : a;
var result1 = true ? x : a;
//Expr1 and Expr2 are literals
true ? {} : 1;
true ? { a: 1 } : { a: 2, b: 'string' };
var result2 = true ? {} : 1;
var result3 = true ? { a: 1 } : { a: 2, b: 'string' };
//Contextually typed
var resultIsX1 = true ? x : a;
var result4 = true ? function (m) { return m.propertyX; } : function (n) { return n.propertyA; };
//Cond ? Expr1 : Expr2,  Expr2 is supertype
//Be Not contextually typed
true ? a : x;
var result5 = true ? a : x;
//Expr1 and Expr2 are literals
true ? 1 : {};
true ? { a: 2, b: 'string' } : { a: 1 };
var result6 = true ? 1 : {};
var result7 = true ? { a: 2, b: 'string' } : { a: 1 };
//Contextually typed
var resultIsX2 = true ? x : a;
var result8 = true ? function (m) { return m.propertyA; } : function (n) { return n.propertyX; };
//Result = Cond ? Expr1 : Expr2,  Result is supertype
//Contextually typed
var resultIsX3 = true ? a : b;
var result10 = true ? function (m) { return m.propertyX1; } : function (n) { return n.propertyX2; };
//Expr1 and Expr2 are literals
var result11 = true ? 1 : 'string';