File: mappedTypes4.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 (151 lines) | stat: -rw-r--r-- 3,384 bytes parent folder | download | duplicates (2)
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
//// [mappedTypes4.ts]
type Box<T> = {
};

type Boxified<T> = {
    [P in keyof T]: Box<T[P]>;
};

function boxify<T>(obj: T): Boxified<T> {
    if (typeof obj === "object") {
        let result = {} as Boxified<T>;
        for (let k in obj) {
            result[k] = { value: obj[k] };
        }
        return result;
    }
    return <any>obj;
}

type A = { a: string };
type B = { b: string };
type C = { c: string };

function f1(x: A | B | C | undefined) {
    return boxify(x);
}

type T00 = Partial<A | B | C>;
type T01 = Readonly<A | B | C | null | undefined>;
type T02 = Boxified<A | B[] | C | string>
type T03 = Readonly<string | number | boolean | null | undefined | void>;
type T04 = Boxified<string | number | boolean | null | undefined | void>;
type T05 = Partial<"hello" | "world" | 42>;

type BoxifiedWithSentinel<T, U> = {
    [P in keyof T]: Box<T[P]> | U;
}

type T10 = BoxifiedWithSentinel<A | B | C, null>;
type T11 = BoxifiedWithSentinel<A | B | C, undefined>;
type T12 = BoxifiedWithSentinel<string, undefined>;

type DeepReadonly<T> = {
    readonly [P in keyof T]: DeepReadonly<T[P]>;
};

type Foo = {
    x: number;
    y: { a: string, b: number };
    z: boolean;
};

type DeepReadonlyFoo = {
    readonly x: number;
    readonly y: { readonly a: string, readonly b: number };
    readonly z: boolean;
};

var x1: DeepReadonly<Foo>;
var x1: DeepReadonlyFoo;

// Repro from #13232

type Z = { a: number };
type Clone<T> = {
  [P in keyof (T & {})]: (T & {})[P];
};
type M = Clone<Z>; // M should be { a: number }

var z1: Z;
var z1: Clone<Z>;


//// [mappedTypes4.js]
function boxify(obj) {
    if (typeof obj === "object") {
        var result = {};
        for (var k in obj) {
            result[k] = { value: obj[k] };
        }
        return result;
    }
    return obj;
}
function f1(x) {
    return boxify(x);
}
var x1;
var x1;
var z1;
var z1;


//// [mappedTypes4.d.ts]
type Box<T> = {};
type Boxified<T> = {
    [P in keyof T]: Box<T[P]>;
};
declare function boxify<T>(obj: T): Boxified<T>;
type A = {
    a: string;
};
type B = {
    b: string;
};
type C = {
    c: string;
};
declare function f1(x: A | B | C | undefined): Boxified<A | B | C | undefined>;
type T00 = Partial<A | B | C>;
type T01 = Readonly<A | B | C | null | undefined>;
type T02 = Boxified<A | B[] | C | string>;
type T03 = Readonly<string | number | boolean | null | undefined | void>;
type T04 = Boxified<string | number | boolean | null | undefined | void>;
type T05 = Partial<"hello" | "world" | 42>;
type BoxifiedWithSentinel<T, U> = {
    [P in keyof T]: Box<T[P]> | U;
};
type T10 = BoxifiedWithSentinel<A | B | C, null>;
type T11 = BoxifiedWithSentinel<A | B | C, undefined>;
type T12 = BoxifiedWithSentinel<string, undefined>;
type DeepReadonly<T> = {
    readonly [P in keyof T]: DeepReadonly<T[P]>;
};
type Foo = {
    x: number;
    y: {
        a: string;
        b: number;
    };
    z: boolean;
};
type DeepReadonlyFoo = {
    readonly x: number;
    readonly y: {
        readonly a: string;
        readonly b: number;
    };
    readonly z: boolean;
};
declare var x1: DeepReadonly<Foo>;
declare var x1: DeepReadonlyFoo;
type Z = {
    a: number;
};
type Clone<T> = {
    [P in keyof (T & {})]: (T & {})[P];
};
type M = Clone<Z>;
declare var z1: Z;
declare var z1: Clone<Z>;