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
|
tests/cases/compiler/unionPropertyExistence.ts(27,3): error TS2339: Property 'nope' does not exist on type '"foo" | "bar"'.
Property 'nope' does not exist on type '"foo"'.
tests/cases/compiler/unionPropertyExistence.ts(28,6): error TS2339: Property 'onlyInB' does not exist on type 'B | "foo"'.
Property 'onlyInB' does not exist on type '"foo"'.
tests/cases/compiler/unionPropertyExistence.ts(30,6): error TS2339: Property 'length' does not exist on type 'B | "foo"'.
Property 'length' does not exist on type 'B'.
tests/cases/compiler/unionPropertyExistence.ts(32,4): error TS2339: Property 'onlyInB' does not exist on type 'AB'.
Property 'onlyInB' does not exist on type 'A'.
tests/cases/compiler/unionPropertyExistence.ts(35,5): error TS2339: Property 'notInC' does not exist on type 'ABC'.
Property 'notInC' does not exist on type 'C'.
tests/cases/compiler/unionPropertyExistence.ts(36,4): error TS2551: Property 'notInB' does not exist on type 'AB'. Did you mean 'notInC'?
Property 'notInB' does not exist on type 'B'.
tests/cases/compiler/unionPropertyExistence.ts(37,5): error TS2339: Property 'notInB' does not exist on type 'ABC'.
Property 'notInB' does not exist on type 'B'.
tests/cases/compiler/unionPropertyExistence.ts(40,5): error TS2339: Property 'inNone' does not exist on type 'ABC'.
Property 'inNone' does not exist on type 'A'.
==== tests/cases/compiler/unionPropertyExistence.ts (8 errors) ====
interface A {
inAll: string;
notInB: string;
notInC: string;
}
interface B {
inAll: boolean;
onlyInB: number;
notInC: string;
}
interface C {
inAll: number;
notInB: string;
}
type AB = A | B;
type ABC = C | AB;
var ab: AB;
var abc: ABC;
declare const x: "foo" | "bar";
declare const bFoo: B | "foo";
x.nope();
~~~~
!!! error TS2339: Property 'nope' does not exist on type '"foo" | "bar"'.
!!! error TS2339: Property 'nope' does not exist on type '"foo"'.
bFoo.onlyInB;
~~~~~~~
!!! error TS2339: Property 'onlyInB' does not exist on type 'B | "foo"'.
!!! error TS2339: Property 'onlyInB' does not exist on type '"foo"'.
x.length; // Ok
bFoo.length;
~~~~~~
!!! error TS2339: Property 'length' does not exist on type 'B | "foo"'.
!!! error TS2339: Property 'length' does not exist on type 'B'.
ab.onlyInB;
~~~~~~~
!!! error TS2339: Property 'onlyInB' does not exist on type 'AB'.
!!! error TS2339: Property 'onlyInB' does not exist on type 'A'.
ab.notInC; // Ok
abc.notInC;
~~~~~~
!!! error TS2339: Property 'notInC' does not exist on type 'ABC'.
!!! error TS2339: Property 'notInC' does not exist on type 'C'.
ab.notInB;
~~~~~~
!!! error TS2551: Property 'notInB' does not exist on type 'AB'. Did you mean 'notInC'?
!!! error TS2551: Property 'notInB' does not exist on type 'B'.
abc.notInB;
~~~~~~
!!! error TS2339: Property 'notInB' does not exist on type 'ABC'.
!!! error TS2339: Property 'notInB' does not exist on type 'B'.
abc.inAll; // Ok
abc.inNone;
~~~~~~
!!! error TS2339: Property 'inNone' does not exist on type 'ABC'.
!!! error TS2339: Property 'inNone' does not exist on type 'A'.
|
