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Merge pull request #6797 from Microsoft/weReallyNeedANewSyntaxKindForTheseExports

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Allow 'export default's in JS files without incorrect error
This commit is contained in:
Daniel Rosenwasser
2016-02-01 14:34:24 -08:00
parent a4af38a622 abf9239915
commit 3865e71df3
6 changed files with 32 additions and 6 deletions
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7
src/compiler/program.ts
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@@ -734,8 +734,11 @@ namespace ts {
diagnostics.push(createDiagnosticForNode(node, Diagnostics.import_can_only_be_used_in_a_ts_file));
return true;
case SyntaxKind.ExportAssignment:
diagnostics.push(createDiagnosticForNode(node, Diagnostics.export_can_only_be_used_in_a_ts_file));
return true;
if ((<ExportAssignment>node).isExportEquals) {
diagnostics.push(createDiagnosticForNode(node, Diagnostics.export_can_only_be_used_in_a_ts_file));
return true;
}
break;
case SyntaxKind.ClassDeclaration:
let classDeclaration = <ClassDeclaration>node;
if (checkModifiers(classDeclaration.modifiers) ||

7
tests/baselines/reference/exportDefaultInJsFile01.errors.txt Normal file
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@@ -0,0 +1,7 @@
error TS5055: Cannot write file 'tests/cases/conformance/salsa/myFile01.js' because it would overwrite input file.
!!! error TS5055: Cannot write file 'tests/cases/conformance/salsa/myFile01.js' because it would overwrite input file.
==== tests/cases/conformance/salsa/myFile01.js (0 errors) ====
export default "hello";

7
tests/baselines/reference/exportDefaultInJsFile02.errors.txt Normal file
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@@ -0,0 +1,7 @@
error TS5055: Cannot write file 'tests/cases/conformance/salsa/myFile02.js' because it would overwrite input file.
!!! error TS5055: Cannot write file 'tests/cases/conformance/salsa/myFile02.js' because it would overwrite input file.
==== tests/cases/conformance/salsa/myFile02.js (0 errors) ====
export default "hello";

5
tests/baselines/reference/jsFileCompilationBindMultipleDefaultExports.errors.txt
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@@ -1,10 +1,9 @@
tests/cases/compiler/a.js(1,22): error TS2528: A module cannot have multiple default exports.
tests/cases/compiler/a.js(3,1): error TS2528: A module cannot have multiple default exports.
tests/cases/compiler/a.js(3,1): error TS8003: 'export=' can only be used in a .ts file.
tests/cases/compiler/a.js(3,16): error TS1109: Expression expected.
==== tests/cases/compiler/a.js (4 errors) ====
==== tests/cases/compiler/a.js (3 errors) ====
export default class a {
~
!!! error TS2528: A module cannot have multiple default exports.
@@ -12,7 +11,5 @@ tests/cases/compiler/a.js(3,16): error TS1109: Expression expected.
export default var a = 10;
~~~~~~~~~~~~~~
!!! error TS2528: A module cannot have multiple default exports.
~~~~~~~~~~~~~~
!!! error TS8003: 'export=' can only be used in a .ts file.
~~~
!!! error TS1109: Expression expected.

6
tests/cases/conformance/salsa/exportDefaultInJsFile01.ts Normal file
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@@ -0,0 +1,6 @@
// @allowJS: true
// @target: es3
// @module: commonjs
// @filename: myFile01.js
export default "hello";

6
tests/cases/conformance/salsa/exportDefaultInJsFile02.ts Normal file
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@@ -0,0 +1,6 @@
// @allowJS: true
// @target: es2015
// @module: es2015
// @filename: myFile02.js
export default "hello";