forked from microsoft/TypeScript
/
destructuringParameterDeclaration2.errors.txt
152 lines (133 loc) · 11 KB
/
destructuringParameterDeclaration2.errors.txt
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
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(7,8): error TS2322: Type 'string' is not assignable to type 'number'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(7,29): error TS1005: ',' expected.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(8,4): error TS2345: Argument of type '[number, number, string[][], string]' is not assignable to parameter of type '[number, number, string[][]]'.
Source has 4 element(s) but target allows only 3.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(16,8): error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(16,16): error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(23,16): error TS2322: Type 'string' is not assignable to type 'number'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(30,14): error TS2300: Duplicate identifier 'z'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(30,18): error TS2300: Duplicate identifier 'z'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(34,6): error TS2322: Type 'number' is not assignable to type '{ x: any; y: { j: any; }; }'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(35,4): error TS2345: Argument of type '{}' is not assignable to parameter of type '{ z: number; }'.
Property 'z' is missing in type '{}' but required in type '{ z: number; }'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(36,6): error TS2322: Type 'boolean' is not assignable to type 'number'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(37,6): error TS2322: Type 'boolean' is not assignable to type 'number'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(38,6): error TS2322: Type 'boolean' is not assignable to type 'string | number'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(39,11): error TS2322: Type 'boolean' is not assignable to type '[[any]]'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(40,13): error TS2322: Type 'string' is not assignable to type 'number'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(46,13): error TS2463: A binding pattern parameter cannot be optional in an implementation signature.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(47,13): error TS2463: A binding pattern parameter cannot be optional in an implementation signature.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(56,8): error TS2463: A binding pattern parameter cannot be optional in an implementation signature.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(57,5): error TS2416: Property 'd4' in type 'C4' is not assignable to the same property in base type 'F2'.
Type '({ x, y, c }: { x: any; y: any; c: any; }) => void' is not assignable to type '({ x, y, z }?: { x: any; y: any; z: any; }) => any'.
Types of parameters '__0' and '__0' are incompatible.
Property 'c' is missing in type '{ x: any; y: any; z: any; }' but required in type '{ x: any; y: any; c: any; }'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(65,18): error TS2300: Duplicate identifier 'number'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(65,26): error TS2300: Duplicate identifier 'number'.
tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts(65,34): error TS2300: Duplicate identifier 'number'.
==== tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts (22 errors) ====
// A parameter declaration may specify either an identifier or a binding pattern.
// The identifiers specified in parameter declarations and binding patterns
// in a parameter list must be unique within that parameter list.
// If the declaration includes a type annotation, the parameter is of that type
function a0([a, b, [[c]]]: [number, number, string[][]]) { }
a0([1, "string", [["world"]]); // Error
~~~~~~~~
!!! error TS2322: Type 'string' is not assignable to type 'number'.
~
!!! error TS1005: ',' expected.
!!! related TS1007 tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts:7:4: The parser expected to find a ']' to match the '[' token here.
a0([1, 2, [["world"]], "string"]); // Error
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2345: Argument of type '[number, number, string[][], string]' is not assignable to parameter of type '[number, number, string[][]]'.
!!! error TS2345: Source has 4 element(s) but target allows only 3.
// If the declaration includes an initializer expression (which is permitted only
// when the parameter list occurs in conjunction with a function body),
// the parameter type is the widened form (section 3.11) of the type of the initializer expression.
interface F1 {
b0(z = 10, [[a, b], d, {u}] = [[1, 2], "string", { u: false }]); // Error, no function body
~~~~~~
!!! error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2371: A parameter initializer is only allowed in a function or constructor implementation.
}
function b1(z = null, o = { x: 0, y: undefined }) { }
function b2([a, z, y] = [undefined, null, undefined]) { }
function b3([[a], b, [[c, d]]] = [[undefined], undefined, [[undefined, undefined]]]) { }
b1("string", { x: "string", y: true }); // Error
~
!!! error TS2322: Type 'string' is not assignable to type 'number'.
!!! related TS6500 tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts:19:29: The expected type comes from property 'x' which is declared here on type '{ x: number; y: any; }'
// If the declaration specifies a binding pattern, the parameter type is the implied type of that binding pattern (section 5.1.3)
function c0({z: {x, y: {j}}}) { }
function c1({z} = { z: 10 }) { }
function c2({z = 10}) { }
function c3({b}: { b: number|string } = { b: "hello" }) { }
function c4([z], z: number) { } // Error Duplicate identifier
~
!!! error TS2300: Duplicate identifier 'z'.
~
!!! error TS2300: Duplicate identifier 'z'.
function c5([a, b, [[c]]]) { }
function c6([a, b, [[c = 1]]]) { }
c0({ z: 1 }); // Error, implied type is { z: {x: any, y: {j: any}} }
~
!!! error TS2322: Type 'number' is not assignable to type '{ x: any; y: { j: any; }; }'.
c1({}); // Error, implied type is {z:number}?
~~
!!! error TS2345: Argument of type '{}' is not assignable to parameter of type '{ z: number; }'.
!!! error TS2345: Property 'z' is missing in type '{}' but required in type '{ z: number; }'.
!!! related TS2728 tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts:27:21: 'z' is declared here.
c1({ z: true }); // Error, implied type is {z:number}?
~
!!! error TS2322: Type 'boolean' is not assignable to type 'number'.
!!! related TS6500 tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts:27:21: The expected type comes from property 'z' which is declared here on type '{ z: number; }'
c2({ z: false }); // Error, implied type is {z?: number}
~
!!! error TS2322: Type 'boolean' is not assignable to type 'number'.
c3({ b: true }); // Error, implied type is { b: number|string }.
~
!!! error TS2322: Type 'boolean' is not assignable to type 'string | number'.
!!! related TS6500 tests/cases/conformance/es6/destructuring/destructuringParameterDeclaration2.ts:29:20: The expected type comes from property 'b' which is declared here on type '{ b: string | number; }'
c5([1, 2, false, true]); // Error, implied type is [any, any, [[any]]]
~~~~~
!!! error TS2322: Type 'boolean' is not assignable to type '[[any]]'.
c6([1, 2, [["string"]]]); // Error, implied type is [any, any, [[number]]] // Use initializer
~~~~~~~~
!!! error TS2322: Type 'string' is not assignable to type 'number'.
// A parameter can be marked optional by following its name or binding pattern with a question mark (?)
// or by including an initializer. Initializers (including binding property or element initializers) are
// permitted only when the parameter list occurs in conjunction with a function body
function d1([a, b, c]?) { } // Error, binding pattern can't be optional in implementation signature
~~~~~~~~~~
!!! error TS2463: A binding pattern parameter cannot be optional in an implementation signature.
function d2({x, y, z}?) { } // Error, binding pattern can't be optional in implementation signature
~~~~~~~~~~
!!! error TS2463: A binding pattern parameter cannot be optional in an implementation signature.
interface F2 {
d3([a, b, c]?);
d4({x, y, z}?);
e0([a, b, c]);
}
class C4 implements F2 {
d3([a, b, c]?) { } // Error, binding pattern can't be optional in implementation signature
~~~~~~~~~~
!!! error TS2463: A binding pattern parameter cannot be optional in an implementation signature.
d4({x, y, c}) { }
~~
!!! error TS2416: Property 'd4' in type 'C4' is not assignable to the same property in base type 'F2'.
!!! error TS2416: Type '({ x, y, c }: { x: any; y: any; c: any; }) => void' is not assignable to type '({ x, y, z }?: { x: any; y: any; z: any; }) => any'.
!!! error TS2416: Types of parameters '__0' and '__0' are incompatible.
!!! error TS2416: Property 'c' is missing in type '{ x: any; y: any; z: any; }' but required in type '{ x: any; y: any; c: any; }'.
e0([a, b, q]) { }
}
// Destructuring parameter declarations do not permit type annotations on the individual binding patterns,
// as such annotations would conflict with the already established meaning of colons in object literals.
// Type annotations must instead be written on the top- level parameter declaration
function e0({x: [number, number, number]}) { } // error, duplicate identifier;
~~~~~~
!!! error TS2300: Duplicate identifier 'number'.
~~~~~~
!!! error TS2300: Duplicate identifier 'number'.
~~~~~~
!!! error TS2300: Duplicate identifier 'number'.