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add transformer for emit add property to default export

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This commit is contained in:
王文璐
2019-01-03 11:19:02 +08:00
parent 799656a037
commit 34b1384152
6 changed files with 99 additions and 2 deletions
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40
src/compiler/transformers/declarations.ts
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@@ -1008,7 +1008,43 @@ namespace ts {
return createVariableStatement(/*modifiers*/ undefined, createVariableDeclarationList([varDecl]));
});
const namespaceDecl = createModuleDeclaration(/*decorators*/ undefined, ensureModifiers(input, isPrivate), input.name!, createModuleBlock(declarations), NodeFlags.Namespace);
return [clean, namespaceDecl];
if (!hasModifier(clean, ModifierFlags.ExportDefault)) {
return [clean, namespaceDecl];
}
const modifierFlags = (getModifierFlags(clean) & ~ModifierFlags.ExportDefault) | ModifierFlags.Ambient;
const cleanDeclaration = updateFunctionDeclaration(
clean,
/*decorators*/ undefined,
createModifiersFromModifierFlags(modifierFlags),
/*asteriskToken*/ undefined,
clean.name,
clean.typeParameters,
clean.parameters,
clean.type,
/*body*/ undefined
);
const namespaceDeclaration = updateModuleDeclaration(
namespaceDecl,
/*decorators*/ undefined,
createModifiersFromModifierFlags(modifierFlags),
input.name!,
createModuleBlock(declarations)
);
const exportDefaultDeclaration = createExportAssignment(
/*decorators*/ undefined,
/*modifiers*/undefined,
/*isExportEquals*/false,
clean.name!
);
resultHasExternalModuleIndicator = true;
resultHasScopeMarker = true;
return [cleanDeclaration, namespaceDeclaration, exportDefaultDeclaration];
}
else {
return clean;
@@ -1153,6 +1189,8 @@ namespace ts {
return preserveJsDoc(updateEnumMember(m, m.name, constValue !== undefined ? createLiteral(constValue) : undefined), m);
}))));
}
case SyntaxKind.ExportAssignment:
return;
}
// Anything left unhandled is an error, so this should be unreachable
return Debug.assertNever(input, `Unhandled top-level node in declaration emit: ${(ts as any).SyntaxKind[(input as any).kind]}`);

3
src/compiler/types.ts
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@@ -3435,7 +3435,8 @@ namespace ts {
| ModuleDeclaration
| TypeAliasDeclaration
| InterfaceDeclaration
| EnumDeclaration;
| EnumDeclaration
| ExportAssignment;
/* @internal */
export interface SymbolVisibilityResult {

24
tests/baselines/reference/exportDefaultNamespace.js Normal file
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@@ -0,0 +1,24 @@
//// [exportDefaultNamespace.ts]
export default function someFunc() {
return 'hello!';
}
someFunc.someProp = 'yo';
//// [exportDefaultNamespace.js]
"use strict";
exports.__esModule = true;
function someFunc() {
return 'hello!';
}
exports["default"] = someFunc;
someFunc.someProp = 'yo';
//// [exportDefaultNamespace.d.ts]
declare function someFunc(): string;
declare namespace someFunc {
var someProp: string;
}
export default someFunc;

12
tests/baselines/reference/exportDefaultNamespace.symbols Normal file
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@@ -0,0 +1,12 @@
=== tests/cases/conformance/declarationEmit/exportDefaultNamespace.ts ===
export default function someFunc() {
>someFunc : Symbol(someFunc, Decl(exportDefaultNamespace.ts, 0, 0), Decl(exportDefaultNamespace.ts, 2, 1))
return 'hello!';
}
someFunc.someProp = 'yo';
>someFunc.someProp : Symbol(someFunc.someProp, Decl(exportDefaultNamespace.ts, 2, 1))
>someFunc : Symbol(someFunc, Decl(exportDefaultNamespace.ts, 0, 0), Decl(exportDefaultNamespace.ts, 2, 1))
>someProp : Symbol(someFunc.someProp, Decl(exportDefaultNamespace.ts, 2, 1))

15
tests/baselines/reference/exportDefaultNamespace.types Normal file
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@@ -0,0 +1,15 @@
=== tests/cases/conformance/declarationEmit/exportDefaultNamespace.ts ===
export default function someFunc() {
>someFunc : typeof someFunc
return 'hello!';
>'hello!' : "hello!"
}
someFunc.someProp = 'yo';
>someFunc.someProp = 'yo' : "yo"
>someFunc.someProp : string
>someFunc : typeof someFunc
>someProp : string
>'yo' : "yo"

7
tests/cases/conformance/declarationEmit/exportDefaultNamespace.ts Normal file
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@@ -0,0 +1,7 @@
// @declaration: true
export default function someFunc() {
return 'hello!';
}
someFunc.someProp = 'yo';