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Fake up a namespace enclosing declaration when generating expando namespace members (#31971)

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* Fake up a namespace enclosing declaration when generating expando namespace members

* Fix #31676
This commit is contained in:
Wesley Wigham
2019-06-20 12:58:16 -07:00
committed by GitHub
parent c39a877a92
commit f2735b5a06
5 changed files with 303 additions and 3 deletions
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src/compiler/transformers/declarations.ts
+9 -3
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@@ -1036,19 +1036,25 @@ namespace ts {
/*body*/ undefined
));
if (clean && resolver.isExpandoFunctionDeclaration(input)) {
const declarations = mapDefined(resolver.getPropertiesOfContainerFunction(input), p => {
const props = resolver.getPropertiesOfContainerFunction(input);
const fakespace = createModuleDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, clean.name || createIdentifier("_default"), createModuleBlock([]), NodeFlags.Namespace);
fakespace.flags ^= NodeFlags.Synthesized; // unset synthesized so it is usable as an enclosing declaration
fakespace.parent = enclosingDeclaration as SourceFile | NamespaceDeclaration;
fakespace.locals = createSymbolTable(props);
fakespace.symbol = props[0].parent!;
const declarations = mapDefined(props, p => {
if (!isPropertyAccessExpression(p.valueDeclaration)) {
return undefined;
}
getSymbolAccessibilityDiagnostic = createGetSymbolAccessibilityDiagnosticForNode(p.valueDeclaration);
const type = resolver.createTypeOfDeclaration(p.valueDeclaration, enclosingDeclaration, declarationEmitNodeBuilderFlags, symbolTracker);
const type = resolver.createTypeOfDeclaration(p.valueDeclaration, fakespace, declarationEmitNodeBuilderFlags, symbolTracker);
getSymbolAccessibilityDiagnostic = oldDiag;
const varDecl = createVariableDeclaration(unescapeLeadingUnderscores(p.escapedName), type, /*initializer*/ undefined);
return createVariableStatement(/*modifiers*/ undefined, createVariableDeclarationList([varDecl]));
});
const namespaceDecl = createModuleDeclaration(/*decorators*/ undefined, ensureModifiers(input, isPrivate), input.name!, createModuleBlock(declarations), NodeFlags.Namespace);
if (!hasModifier(clean, ModifierFlags.ExportDefault)) {
if (!hasModifier(clean, ModifierFlags.Default)) {
return [clean, namespaceDecl];
}