javascript-microsoft-typescript-small-change-2

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Before…lines 1–12 unchanged (12 lines)
13declare const a: Foo<Date>;
14declare const b: Foo<Date | null>;
15
16//Expected 0, Actual 1
17type ShouldBe0 = Equals<typeof a, typeof b>;
18
19//// [conditionalEqualityTestingNullability.js]
20"use strict";
21Object.defineProperty(exports, "__esModule", { value: true });
22

After…lines 1–12 unchanged (12 lines)
13declare const a: Foo<Date>;
14declare const b: Foo<Date | null>;
15
16//Expected 0, Actual 1
17type ShouldBe0 = Equals<typeof a, typeof b>;
18
19//// [conditionalEqualityTestingNullability.js]
20export {};
21

Before…lines 1–12 unchanged (12 lines)
13declare const a: Foo<Date>;
14declare const b: Foo<Date | null>;
15
16//Expected 0, Actual 1
17type ShouldBe0 = Equals<typeof a, typeof b>;
18
19//// [conditionalEqualityTestingNullability.js]
20"use strict";
21Object.defineProperty(exports, "__esModule", { value: true });
22

After…lines 1–12 unchanged (12 lines)
13declare const a: Foo<Date>;
14declare const b: Foo<Date | null>;
15
16//Expected 0, Actual 1
17type ShouldBe0 = Equals<typeof a, typeof b>;
18
19//// [conditionalEqualityTestingNullability.js]
20export {};
21

Before

program

comment "//// [tests/cases/compiler/conditionalEqualityTestingNullabi"...

comment "//// [conditionalEqualityTestingNullability.ts]"

ERROR (+65 nodes collapsed)

expression_statement

binary_expression

identifier "Foo"

< "<"

identifier "T"

> ">"

object

{ "{"

pair

property_identifier "x"

: ":"

arrow_function

formal_parameters

( "("

) ")"

=> "=>"

identifier "T"

} "}"

ERROR

identifier "declare"

identifier "const"

labeled_statement (+47 nodes collapsed)

comment "//// [conditionalEqualityTestingNullability.js]"

expression_statement

string

" "\""

string_fragment "use strict"

" "\""

; ";"

expression_statement

call_expression

member_expression

identifier "Object"

. "."

property_identifier "defineProperty"

arguments

( "("

identifier "exports"

, ","

string

" "\""

string_fragment "__esModule"

" "\""

, ","

object

{ "{"

pair

property_identifier "value"

: ":"

true "true"

} "}"

) ")"

; ";"

After

program

comment "//// [tests/cases/compiler/conditionalEqualityTestingNullabi"...

comment "//// [conditionalEqualityTestingNullability.ts]"

ERROR (+65 nodes collapsed)

expression_statement

binary_expression

identifier "Foo"

< "<"

identifier "T"

> ">"

object

{ "{"

pair

property_identifier "x"

: ":"

arrow_function

formal_parameters

( "("

) ")"

=> "=>"

identifier "T"

} "}"

ERROR

identifier "declare"

identifier "const"

labeled_statement (+47 nodes collapsed)

comment "//// [conditionalEqualityTestingNullability.js]"

export_statement

export "export"

export_clause

{ "{"

} "}"

; ";"

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