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NaridaLNaridaL
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Allow export default const enum, export default enum, export default declare class
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+322
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lines changed

‎src/compiler/parser.ts‎

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@@ -1310,7 +1310,11 @@ namespace ts {
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nextToken();
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return token() === SyntaxKind.ClassKeyword || token() === SyntaxKind.FunctionKeyword ||
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token() === SyntaxKind.InterfaceKeyword ||
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token() === SyntaxKind.EnumKeyword ||
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token() === SyntaxKind.NamespaceKeyword ||
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(token() === SyntaxKind.ConstKeyword && lookAhead(() => nextToken() === SyntaxKind.EnumKeyword)) ||
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(token() === SyntaxKind.AbstractKeyword && lookAhead(nextTokenIsClassKeywordOnSameLine)) ||
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(token() === SyntaxKind.DeclareKeyword && lookAhead(nextTokenIsClassKeywordOnSameLine)) ||
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(token() === SyntaxKind.AsyncKeyword && lookAhead(nextTokenIsFunctionKeywordOnSameLine));
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}
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‎tests/baselines/reference/exportDefaultConstEnum.js‎

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//// [tests/cases/compiler/exportDefaultConstEnum.ts] ////
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//// [a.ts]
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// https://github.com/Microsoft/TypeScript/issues/3792
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export
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default
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const
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enum
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A
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{ FOO }
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//// [b.ts]
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import A from './a';
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const x = A.FOO;
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//// [a.js]
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"use strict";
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exports.__esModule = true;
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//// [b.js]
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"use strict";
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exports.__esModule = true;
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var x = 0 /* FOO */;

‎tests/baselines/reference/exportDefaultConstEnum.symbols‎

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=== tests/cases/compiler/a.ts ===
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// https://github.com/Microsoft/TypeScript/issues/3792
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export
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default
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const
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enum
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A
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>A : Symbol(A, Decl(a.ts, 0, 0))
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{ FOO }
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>FOO : Symbol(A.FOO, Decl(a.ts, 6, 1))
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=== tests/cases/compiler/b.ts ===
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import A from './a';
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>A : Symbol(A, Decl(b.ts, 0, 6))
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const x = A.FOO;
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>x : Symbol(x, Decl(b.ts, 2, 5))
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>A.FOO : Symbol(A.FOO, Decl(a.ts, 6, 1))
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>A : Symbol(A, Decl(b.ts, 0, 6))
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>FOO : Symbol(A.FOO, Decl(a.ts, 6, 1))
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‎tests/baselines/reference/exportDefaultConstEnum.types‎

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=== tests/cases/compiler/a.ts ===
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// https://github.com/Microsoft/TypeScript/issues/3792
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export
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default
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const
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enum
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A
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>A : A
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{ FOO }
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>FOO : A
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=== tests/cases/compiler/b.ts ===
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import A from './a';
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>A : typeof A
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const x = A.FOO;
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>x : A
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>A.FOO : A
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>A : typeof A
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>FOO : A
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‎tests/baselines/reference/exportDefaultDeclareClass.js‎

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//// [tests/cases/compiler/exportDefaultDeclareClass.ts] ////
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//// [a.ts]
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// https://github.com/Microsoft/TypeScript/issues/3792
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export default declare class A {
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foo(): number
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}
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//// [b.ts]
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import A from './a';
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const x = new A().foo();
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//// [a.js]
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"use strict";
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exports.__esModule = true;
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//// [b.js]
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"use strict";
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exports.__esModule = true;
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var a_1 = require("./a");
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var x = new a_1["default"]().foo();

‎tests/baselines/reference/exportDefaultDeclareClass.symbols‎

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=== tests/cases/compiler/a.ts ===
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// https://github.com/Microsoft/TypeScript/issues/3792
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export default declare class A {
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>A : Symbol(A, Decl(a.ts, 0, 0))
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foo(): number
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>foo : Symbol(A.foo, Decl(a.ts, 1, 32))
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}
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=== tests/cases/compiler/b.ts ===
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import A from './a';
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>A : Symbol(A, Decl(b.ts, 0, 6))
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const x = new A().foo();
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>x : Symbol(x, Decl(b.ts, 2, 5))
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>new A().foo : Symbol(A.foo, Decl(a.ts, 1, 32))
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>A : Symbol(A, Decl(b.ts, 0, 6))
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>foo : Symbol(A.foo, Decl(a.ts, 1, 32))
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‎tests/baselines/reference/exportDefaultDeclareClass.types‎

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=== tests/cases/compiler/a.ts ===
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// https://github.com/Microsoft/TypeScript/issues/3792
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export default declare class A {
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>A : A
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foo(): number
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>foo : () => number
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}
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=== tests/cases/compiler/b.ts ===
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import A from './a';
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>A : typeof A
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const x = new A().foo();
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>x : number
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>new A().foo() : number
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>new A().foo : () => number
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>new A() : A
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>A : typeof A
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>foo : () => number
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‎tests/baselines/reference/exportDefaultEnum.js‎

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//// [tests/cases/compiler/exportDefaultEnum.ts] ////
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//// [a.ts]
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// https://github.com/Microsoft/TypeScript/issues/3792
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export default enum A { FOO }
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//// [b.ts]
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import A from './a';
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const x = A.FOO;
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const y = A[x];
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//// [a.js]
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"use strict";
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exports.__esModule = true;
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// https://github.com/Microsoft/TypeScript/issues/3792
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var A;
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(function (A) {
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A[A["FOO"] = 0] = "FOO";
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})(A = exports.A || (exports.A = {}));
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//// [b.js]
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"use strict";
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exports.__esModule = true;
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var a_1 = require("./a");
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var x = a_1["default"].FOO;
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var y = a_1["default"][x];

‎tests/baselines/reference/exportDefaultEnum.symbols‎

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=== tests/cases/compiler/a.ts ===
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// https://github.com/Microsoft/TypeScript/issues/3792
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export default enum A { FOO }
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>A : Symbol(A, Decl(a.ts, 0, 0))
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>FOO : Symbol(A.FOO, Decl(a.ts, 1, 23))
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=== tests/cases/compiler/b.ts ===
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import A from './a';
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>A : Symbol(A, Decl(b.ts, 0, 6))
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const x = A.FOO;
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>x : Symbol(x, Decl(b.ts, 2, 5))
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>A.FOO : Symbol(A.FOO, Decl(a.ts, 1, 23))
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>A : Symbol(A, Decl(b.ts, 0, 6))
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>FOO : Symbol(A.FOO, Decl(a.ts, 1, 23))
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const y = A[x];
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>y : Symbol(y, Decl(b.ts, 3, 5))
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>A : Symbol(A, Decl(b.ts, 0, 6))
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>x : Symbol(x, Decl(b.ts, 2, 5))
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‎tests/baselines/reference/exportDefaultEnum.types‎

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=== tests/cases/compiler/a.ts ===
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// https://github.com/Microsoft/TypeScript/issues/3792
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export default enum A { FOO }
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>A : A
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>FOO : A
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=== tests/cases/compiler/b.ts ===
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import A from './a';
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>A : typeof A
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const x = A.FOO;
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>x : A
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>A.FOO : A
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>A : typeof A
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>FOO : A
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const y = A[x];
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>y : string
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>A[x] : string
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>A : typeof A
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>x : A
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