File: contextualTypeWithUnionTypeMembers.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 (208 lines) | stat: -rw-r--r-- 6,494 bytes parent folder | download | duplicates (6)
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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
//// [contextualTypeWithUnionTypeMembers.ts]
//When used as a contextual type, a union type U has those members that are present in any of 
// its constituent types, with types that are unions of the respective members in the constituent types. 
interface I1<T> {
    commonMethodType(a: string): string;
    commonPropertyType: string;
    commonMethodWithTypeParameter(a: T): T;

    methodOnlyInI1(a: string): string;
    propertyOnlyInI1: string;
}
interface I2<T> {
    commonMethodType(a: string): string;
    commonPropertyType: string;
    commonMethodWithTypeParameter(a: T): T;

    methodOnlyInI2(a: string): string;
    propertyOnlyInI2: string;
}

// Let S be the set of types in U that has a property P.
// If S is not empty, U has a property P of a union type of the types of P from each type in S.
var i1: I1<number>;
var i2: I2<number>;
var i1Ori2: I1<number> | I2<number> = i1;
var i1Ori2: I1<number> | I2<number> = i2;
var i1Ori2: I1<number> | I2<number> = { // Like i1
    commonPropertyType: "hello",
    commonMethodType: a=> a,
    commonMethodWithTypeParameter: a => a,

    methodOnlyInI1: a => a,
    propertyOnlyInI1: "Hello",
};
var i1Ori2: I1<number> | I2<number> = { // Like i2
    commonPropertyType: "hello",
    commonMethodType: a=> a,
    commonMethodWithTypeParameter: a => a,

    methodOnlyInI2: a => a,
    propertyOnlyInI2: "Hello",
};
var i1Ori2: I1<number> | I2<number> = { // Like i1 and i2 both
    commonPropertyType: "hello",
    commonMethodType: a=> a,
    commonMethodWithTypeParameter: a => a,
    methodOnlyInI1: a => a,
    propertyOnlyInI1: "Hello",
    methodOnlyInI2: a => a,
    propertyOnlyInI2: "Hello",
};

var arrayI1OrI2: Array<I1<number> | I2<number>> = [i1, i2, { // Like i1
        commonPropertyType: "hello",
        commonMethodType: a=> a,
        commonMethodWithTypeParameter: a => a,

        methodOnlyInI1: a => a,
        propertyOnlyInI1: "Hello",
    },
    { // Like i2
        commonPropertyType: "hello",
        commonMethodType: a=> a,
        commonMethodWithTypeParameter: a => a,

        methodOnlyInI2: a => a,
        propertyOnlyInI2: "Hello",
    }, { // Like i1 and i2 both
        commonPropertyType: "hello",
        commonMethodType: a=> a,
        commonMethodWithTypeParameter: a => a,
        methodOnlyInI1: a => a,
        propertyOnlyInI1: "Hello",
        methodOnlyInI2: a => a,
        propertyOnlyInI2: "Hello",
    }];

interface I11 {
    commonMethodDifferentReturnType(a: string, b: number): string;
    commonPropertyDifferentType: string;
}
interface I21 {
    commonMethodDifferentReturnType(a: string, b: number): number;
    commonPropertyDifferentType: number;
}
var i11: I11;
var i21: I21;
var i11Ori21: I11 | I21 = i11;
var i11Ori21: I11 | I21 = i21;
var i11Ori21: I11 | I21 = { 
    // Like i1
    commonMethodDifferentReturnType: (a, b) => {
        var z = a.charAt(b);
        return z;  
    },
    commonPropertyDifferentType: "hello",  
};
var i11Ori21: I11 | I21 = { 
    // Like i2
    commonMethodDifferentReturnType: (a, b) => {
        var z = a.charCodeAt(b);
        return z;
    },
    commonPropertyDifferentType: 10,
};
var arrayOrI11OrI21: Array<I11 | I21> = [i11, i21, i11 || i21, { 
        // Like i1
        commonMethodDifferentReturnType: (a, b) => {
            var z = a.charAt(b);
            return z;
        },
        commonPropertyDifferentType: "hello",
    }, { 
        // Like i2
        commonMethodDifferentReturnType: (a, b) => {
            var z = a.charCodeAt(b);
            return z;
        },
        commonPropertyDifferentType: 10,
    }];

//// [contextualTypeWithUnionTypeMembers.js]
// Let S be the set of types in U that has a property P.
// If S is not empty, U has a property P of a union type of the types of P from each type in S.
var i1;
var i2;
var i1Ori2 = i1;
var i1Ori2 = i2;
var i1Ori2 = {
    commonPropertyType: "hello",
    commonMethodType: function (a) { return a; },
    commonMethodWithTypeParameter: function (a) { return a; },
    methodOnlyInI1: function (a) { return a; },
    propertyOnlyInI1: "Hello"
};
var i1Ori2 = {
    commonPropertyType: "hello",
    commonMethodType: function (a) { return a; },
    commonMethodWithTypeParameter: function (a) { return a; },
    methodOnlyInI2: function (a) { return a; },
    propertyOnlyInI2: "Hello"
};
var i1Ori2 = {
    commonPropertyType: "hello",
    commonMethodType: function (a) { return a; },
    commonMethodWithTypeParameter: function (a) { return a; },
    methodOnlyInI1: function (a) { return a; },
    propertyOnlyInI1: "Hello",
    methodOnlyInI2: function (a) { return a; },
    propertyOnlyInI2: "Hello"
};
var arrayI1OrI2 = [i1, i2, {
        commonPropertyType: "hello",
        commonMethodType: function (a) { return a; },
        commonMethodWithTypeParameter: function (a) { return a; },
        methodOnlyInI1: function (a) { return a; },
        propertyOnlyInI1: "Hello"
    },
    {
        commonPropertyType: "hello",
        commonMethodType: function (a) { return a; },
        commonMethodWithTypeParameter: function (a) { return a; },
        methodOnlyInI2: function (a) { return a; },
        propertyOnlyInI2: "Hello"
    }, {
        commonPropertyType: "hello",
        commonMethodType: function (a) { return a; },
        commonMethodWithTypeParameter: function (a) { return a; },
        methodOnlyInI1: function (a) { return a; },
        propertyOnlyInI1: "Hello",
        methodOnlyInI2: function (a) { return a; },
        propertyOnlyInI2: "Hello"
    }];
var i11;
var i21;
var i11Ori21 = i11;
var i11Ori21 = i21;
var i11Ori21 = {
    // Like i1
    commonMethodDifferentReturnType: function (a, b) {
        var z = a.charAt(b);
        return z;
    },
    commonPropertyDifferentType: "hello"
};
var i11Ori21 = {
    // Like i2
    commonMethodDifferentReturnType: function (a, b) {
        var z = a.charCodeAt(b);
        return z;
    },
    commonPropertyDifferentType: 10
};
var arrayOrI11OrI21 = [i11, i21, i11 || i21, {
        // Like i1
        commonMethodDifferentReturnType: function (a, b) {
            var z = a.charAt(b);
            return z;
        },
        commonPropertyDifferentType: "hello"
    }, {
        // Like i2
        commonMethodDifferentReturnType: function (a, b) {
            var z = a.charCodeAt(b);
            return z;
        },
        commonPropertyDifferentType: 10
    }];