Skip to content

Move DOM.Iterable contents to DOM, make DOM reference ES6/ES2015 #62111

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
wants to merge 2 commits into
base: main
Choose a base branch
from
+23,323 −4,758
Draft

Move DOM.Iterable contents to DOM, make DOM reference ES6/ES2015 #62111

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c0120b0
Move DOM.Iterable contents to DOM, make DOM reference ES6/ES2015
jakebailey Jul 23, 2025
c05d405
Accept baselines
jakebailey Jul 23, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
The table of contents is too big for display.
Diff view
Diff view
  •  
  •  
  •  
556 changes: 556 additions & 0 deletions src/lib/dom.generated.d.ts
View file
Open in desktop

Large diffs are not rendered by default.

555 changes: 3 additions & 552 deletions src/lib/dom.iterable.generated.d.ts
View file
Open in desktop

Large diffs are not rendered by default.

9 changes: 3 additions & 6 deletions tests/baselines/reference/ES5For-ofTypeCheck10.errors.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,8 +1,7 @@
ES5For-ofTypeCheck10.ts(9,6): error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
ES5For-ofTypeCheck10.ts(14,15): error TS2495: Type 'MyStringIterator' is not an array type or a string type.
ES5For-ofTypeCheck10.ts(14,15): error TS2802: Type 'MyStringIterator' can only be iterated through when using the '--downlevelIteration' flag or with a '--target' of 'es2015' or higher.


==== ES5For-ofTypeCheck10.ts (2 errors) ====
==== ES5For-ofTypeCheck10.ts (1 errors) ====
// In ES3/5, you cannot for...of over an arbitrary iterable.
class MyStringIterator {
next() {
Expand All @@ -12,12 +11,10 @@ ES5For-ofTypeCheck10.ts(14,15): error TS2495: Type 'MyStringIterator' is not an
};
}
[Symbol.iterator]() {
~~~~~~
!!! error TS2585: 'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.
return this;
}
}

for (var v of new MyStringIterator) { }
~~~~~~~~~~~~~~~~~~~~
!!! error TS2495: Type 'MyStringIterator' is not an array type or a string type.
!!! error TS2802: Type 'MyStringIterator' can only be iterated through when using the '--downlevelIteration' flag or with a '--target' of 'es2015' or higher.
3 changes: 3 additions & 0 deletions tests/baselines/reference/ES5For-ofTypeCheck10.symbols
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,9 @@ class MyStringIterator {
}
[Symbol.iterator]() {
>[Symbol.iterator] : Symbol(MyStringIterator[Symbol.iterator], Decl(ES5For-ofTypeCheck10.ts, 7, 5))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))

return this;
>this : Symbol(MyStringIterator, Decl(ES5For-ofTypeCheck10.ts, 0, 0))
Expand Down
12 changes: 6 additions & 6 deletions tests/baselines/reference/ES5For-ofTypeCheck10.types
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,12 +31,12 @@ class MyStringIterator {
[Symbol.iterator]() {
>[Symbol.iterator] : () => this
> : ^^^^^^^^^^
>Symbol.iterator : any
> : ^^^
>Symbol : any
> : ^^^
>iterator : any
> : ^^^
>Symbol.iterator : unique symbol
> : ^^^^^^^^^^^^^
>Symbol : SymbolConstructor
> : ^^^^^^^^^^^^^^^^^
>iterator : unique symbol
> : ^^^^^^^^^^^^^

return this;
>this : this
Expand Down
10 changes: 5 additions & 5 deletions tests/baselines/reference/ES5SymbolProperty1.symbols
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,28 +2,28 @@

=== ES5SymbolProperty1.ts ===
interface SymbolConstructor {
>SymbolConstructor : Symbol(SymbolConstructor, Decl(ES5SymbolProperty1.ts, 0, 0))
>SymbolConstructor : Symbol(SymbolConstructor, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty1.ts, 0, 0))

foo: string;
>foo : Symbol(SymbolConstructor.foo, Decl(ES5SymbolProperty1.ts, 0, 29))
}
var Symbol: SymbolConstructor;
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty1.ts, 3, 3))
>SymbolConstructor : Symbol(SymbolConstructor, Decl(ES5SymbolProperty1.ts, 0, 0))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty1.ts, 3, 3))
>SymbolConstructor : Symbol(SymbolConstructor, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty1.ts, 0, 0))

var obj = {
>obj : Symbol(obj, Decl(ES5SymbolProperty1.ts, 5, 3))

[Symbol.foo]: 0
>[Symbol.foo] : Symbol([Symbol.foo], Decl(ES5SymbolProperty1.ts, 5, 11))
>Symbol.foo : Symbol(SymbolConstructor.foo, Decl(ES5SymbolProperty1.ts, 0, 29))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty1.ts, 3, 3))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty1.ts, 3, 3))
>foo : Symbol(SymbolConstructor.foo, Decl(ES5SymbolProperty1.ts, 0, 29))
}

obj[Symbol.foo];
>obj : Symbol(obj, Decl(ES5SymbolProperty1.ts, 5, 3))
>Symbol.foo : Symbol(SymbolConstructor.foo, Decl(ES5SymbolProperty1.ts, 0, 29))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty1.ts, 3, 3))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty1.ts, 3, 3))
>foo : Symbol(SymbolConstructor.foo, Decl(ES5SymbolProperty1.ts, 0, 29))

16 changes: 0 additions & 16 deletions tests/baselines/reference/ES5SymbolProperty2.errors.txt
View file
Open in desktop

This file was deleted.

3 changes: 3 additions & 0 deletions tests/baselines/reference/ES5SymbolProperty2.symbols
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,4 +23,7 @@ module M {
>M.C : Symbol(M.C, Decl(ES5SymbolProperty2.ts, 1, 20))
>M : Symbol(M, Decl(ES5SymbolProperty2.ts, 0, 0))
>C : Symbol(M.C, Decl(ES5SymbolProperty2.ts, 1, 20))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))

18 changes: 7 additions & 11 deletions tests/baselines/reference/ES5SymbolProperty2.types
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@ module M {

var Symbol: any;
>Symbol : any
> : ^^^

export class C {
>C : C
Expand All @@ -17,7 +16,6 @@ module M {
>[Symbol.iterator] : () => void
> : ^^^^^^^^^^
>Symbol.iterator : any
> : ^^^
>Symbol : any
> : ^^^
>iterator : any
Expand All @@ -33,16 +31,14 @@ module M {
>C : typeof C
> : ^^^^^^^^
>Symbol.iterator : any
> : ^^^
>Symbol : any
> : ^^^
>iterator : any
> : ^^^
}

(new M.C)[Symbol.iterator];
>(new M.C)[Symbol.iterator] : () => void
> : ^^^^^^^^^^
>(new M.C)[Symbol.iterator] : error
>(new M.C) : M.C
> : ^^^
>new M.C : M.C
Expand All @@ -53,10 +49,10 @@ module M {
> : ^^^^^^^^
>C : typeof M.C
> : ^^^^^^^^^^
>Symbol.iterator : any
> : ^^^
>Symbol : any
> : ^^^
>iterator : any
> : ^^^
>Symbol.iterator : unique symbol
> : ^^^^^^^^^^^^^
>Symbol : SymbolConstructor
> : ^^^^^^^^^^^^^^^^^
>iterator : unique symbol
> : ^^^^^^^^^^^^^

14 changes: 14 additions & 0 deletions tests/baselines/reference/ES5SymbolProperty3.errors.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
ES5SymbolProperty3.ts(1,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'Symbol' must be of type 'SymbolConstructor', but here has type 'any'.


==== ES5SymbolProperty3.ts (1 errors) ====
var Symbol: any;
~~~~~~
!!! error TS2403: Subsequent variable declarations must have the same type. Variable 'Symbol' must be of type 'SymbolConstructor', but here has type 'any'.
!!! related TS6203 lib.es2015.symbol.d.ts:--:--: 'Symbol' was also declared here.

class C {
[Symbol.iterator]() { }
}

(new C)[Symbol.iterator]
10 changes: 7 additions & 3 deletions tests/baselines/reference/ES5SymbolProperty3.symbols
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,17 +2,21 @@

=== ES5SymbolProperty3.ts ===
var Symbol: any;
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty3.ts, 0, 3))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty3.ts, 0, 3))

class C {
>C : Symbol(C, Decl(ES5SymbolProperty3.ts, 0, 16))

[Symbol.iterator]() { }
>[Symbol.iterator] : Symbol(C[Symbol.iterator], Decl(ES5SymbolProperty3.ts, 2, 9))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty3.ts, 0, 3))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty3.ts, 0, 3))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
}

(new C)[Symbol.iterator]
>C : Symbol(C, Decl(ES5SymbolProperty3.ts, 0, 16))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty3.ts, 0, 3))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty3.ts, 0, 3))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))

25 changes: 14 additions & 11 deletions tests/baselines/reference/ES5SymbolProperty3.types
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,8 @@

=== ES5SymbolProperty3.ts ===
var Symbol: any;
>Symbol : any
>Symbol : SymbolConstructor
> : ^^^^^^^^^^^^^^^^^

class C {
>C : C
Expand All @@ -11,11 +12,12 @@ class C {
[Symbol.iterator]() { }
>[Symbol.iterator] : () => void
> : ^^^^^^^^^^
>Symbol.iterator : any
>Symbol : any
> : ^^^
>iterator : any
> : ^^^
>Symbol.iterator : unique symbol
> : ^^^^^^^^^^^^^
>Symbol : SymbolConstructor
> : ^^^^^^^^^^^^^^^^^
>iterator : unique symbol
> : ^^^^^^^^^^^^^
}

(new C)[Symbol.iterator]
Expand All @@ -27,9 +29,10 @@ class C {
> : ^
>C : typeof C
> : ^^^^^^^^
>Symbol.iterator : any
>Symbol : any
> : ^^^
>iterator : any
> : ^^^
>Symbol.iterator : unique symbol
> : ^^^^^^^^^^^^^
>Symbol : SymbolConstructor
> : ^^^^^^^^^^^^^^^^^
>iterator : unique symbol
> : ^^^^^^^^^^^^^

14 changes: 14 additions & 0 deletions tests/baselines/reference/ES5SymbolProperty4.errors.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
ES5SymbolProperty4.ts(1,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'Symbol' must be of type 'SymbolConstructor', but here has type '{ iterator: string; }'.


==== ES5SymbolProperty4.ts (1 errors) ====
var Symbol: { iterator: string };
~~~~~~
!!! error TS2403: Subsequent variable declarations must have the same type. Variable 'Symbol' must be of type 'SymbolConstructor', but here has type '{ iterator: string; }'.
!!! related TS6203 lib.es2015.symbol.d.ts:--:--: 'Symbol' was also declared here.

class C {
[Symbol.iterator]() { }
}

(new C)[Symbol.iterator]
14 changes: 7 additions & 7 deletions tests/baselines/reference/ES5SymbolProperty4.symbols
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,22 +2,22 @@

=== ES5SymbolProperty4.ts ===
var Symbol: { iterator: string };
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty4.ts, 0, 3))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty4.ts, 0, 3))
>iterator : Symbol(iterator, Decl(ES5SymbolProperty4.ts, 0, 13))

class C {
>C : Symbol(C, Decl(ES5SymbolProperty4.ts, 0, 33))

[Symbol.iterator]() { }
>[Symbol.iterator] : Symbol(C[Symbol.iterator], Decl(ES5SymbolProperty4.ts, 2, 9))
>Symbol.iterator : Symbol(iterator, Decl(ES5SymbolProperty4.ts, 0, 13))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty4.ts, 0, 3))
>iterator : Symbol(iterator, Decl(ES5SymbolProperty4.ts, 0, 13))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty4.ts, 0, 3))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
}

(new C)[Symbol.iterator]
>C : Symbol(C, Decl(ES5SymbolProperty4.ts, 0, 33))
>Symbol.iterator : Symbol(iterator, Decl(ES5SymbolProperty4.ts, 0, 13))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty4.ts, 0, 3))
>iterator : Symbol(iterator, Decl(ES5SymbolProperty4.ts, 0, 13))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty4.ts, 0, 3))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))

28 changes: 14 additions & 14 deletions tests/baselines/reference/ES5SymbolProperty4.types
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,8 @@

=== ES5SymbolProperty4.ts ===
var Symbol: { iterator: string };
>Symbol : { iterator: string; }
> : ^^^^^^^^^^^^ ^^^
>Symbol : SymbolConstructor
> : ^^^^^^^^^^^^^^^^^
>iterator : string
> : ^^^^^^

Expand All @@ -14,12 +14,12 @@ class C {
[Symbol.iterator]() { }
>[Symbol.iterator] : () => void
> : ^^^^^^^^^^
>Symbol.iterator : string
> : ^^^^^^
>Symbol : { iterator: string; }
> : ^^^^^^^^^^^^ ^^^
>iterator : string
> : ^^^^^^
>Symbol.iterator : unique symbol
> : ^^^^^^^^^^^^^
>Symbol : SymbolConstructor
> : ^^^^^^^^^^^^^^^^^
>iterator : unique symbol
> : ^^^^^^^^^^^^^
}

(new C)[Symbol.iterator]
Expand All @@ -31,10 +31,10 @@ class C {
> : ^
>C : typeof C
> : ^^^^^^^^
>Symbol.iterator : string
> : ^^^^^^
>Symbol : { iterator: string; }
> : ^^^^^^^^^^^^ ^^^
>iterator : string
> : ^^^^^^
>Symbol.iterator : unique symbol
> : ^^^^^^^^^^^^^
>Symbol : SymbolConstructor
> : ^^^^^^^^^^^^^^^^^
>iterator : unique symbol
> : ^^^^^^^^^^^^^

6 changes: 5 additions & 1 deletion tests/baselines/reference/ES5SymbolProperty5.errors.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,8 +1,12 @@
ES5SymbolProperty5.ts(1,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'Symbol' must be of type 'SymbolConstructor', but here has type '{ iterator: symbol; }'.
ES5SymbolProperty5.ts(7,26): error TS2554: Expected 0 arguments, but got 1.


==== ES5SymbolProperty5.ts (1 errors) ====
==== ES5SymbolProperty5.ts (2 errors) ====
var Symbol: { iterator: symbol };
~~~~~~
!!! error TS2403: Subsequent variable declarations must have the same type. Variable 'Symbol' must be of type 'SymbolConstructor', but here has type '{ iterator: symbol; }'.
!!! related TS6203 lib.es2015.symbol.d.ts:--:--: 'Symbol' was also declared here.

class C {
[Symbol.iterator]() { }
Expand Down
14 changes: 7 additions & 7 deletions tests/baselines/reference/ES5SymbolProperty5.symbols
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,22 +2,22 @@

=== ES5SymbolProperty5.ts ===
var Symbol: { iterator: symbol };
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty5.ts, 0, 3))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty5.ts, 0, 3))
>iterator : Symbol(iterator, Decl(ES5SymbolProperty5.ts, 0, 13))

class C {
>C : Symbol(C, Decl(ES5SymbolProperty5.ts, 0, 33))

[Symbol.iterator]() { }
>[Symbol.iterator] : Symbol(C[Symbol.iterator], Decl(ES5SymbolProperty5.ts, 2, 9))
>Symbol.iterator : Symbol(iterator, Decl(ES5SymbolProperty5.ts, 0, 13))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty5.ts, 0, 3))
>iterator : Symbol(iterator, Decl(ES5SymbolProperty5.ts, 0, 13))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty5.ts, 0, 3))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
}

(new C)[Symbol.iterator](0) // Should error
>C : Symbol(C, Decl(ES5SymbolProperty5.ts, 0, 33))
>Symbol.iterator : Symbol(iterator, Decl(ES5SymbolProperty5.ts, 0, 13))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(ES5SymbolProperty5.ts, 0, 3))
>iterator : Symbol(iterator, Decl(ES5SymbolProperty5.ts, 0, 13))
>Symbol.iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))
>Symbol : Symbol(Symbol, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.symbol.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(ES5SymbolProperty5.ts, 0, 3))
>iterator : Symbol(SymbolConstructor.iterator, Decl(lib.es2015.iterable.d.ts, --, --))

Loading
Loading