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Merged
merged 1 commit into from
Oct 13, 2020
Merged

Add test again #5

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22 changes: 21 additions & 1 deletion src/compiler/checker.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3471,8 +3471,28 @@ namespace ts {
: getPropertyOfType(type, memberName);
}

function isLateBindingContainer(symbol: Symbol): boolean {
if (!(symbol.flags & (SymbolFlags.LateBindingContainer | SymbolFlags.Enum))) {
return false;
}

if (symbol.flags & SymbolFlags.Enum) {
const links = getSymbolLinks(symbol);
if (links.enumHasLateBoundMember === undefined) {
for (const declaration of symbol.declarations) {
if (isEnumDeclaration(declaration) && some(declaration.members, isSpreadEnumMember)) {
return links.enumHasLateBoundMember = true;
}
}
return links.enumHasLateBoundMember = false;
}
return links.enumHasLateBoundMember;
}
return true;
}

function getExportsOfSymbol(symbol: Symbol): SymbolTable {
return symbol.flags & SymbolFlags.LateBindingContainer ? getResolvedMembersOrExportsOfSymbol(symbol, MembersOrExportsResolutionKind.resolvedExports) :
return isLateBindingContainer(symbol) ? getResolvedMembersOrExportsOfSymbol(symbol, MembersOrExportsResolutionKind.resolvedExports) :
symbol.flags & SymbolFlags.Module ? getExportsOfModule(symbol) :
symbol.exports || emptySymbols;
}
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3 changes: 2 additions & 1 deletion src/compiler/types.ts
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Expand Up @@ -4642,7 +4642,7 @@ namespace ts {
Classifiable = Class | Enum | TypeAlias | Interface | TypeParameter | Module | Alias,

/* @internal */
LateBindingContainer = Class | Interface | TypeLiteral | ObjectLiteral | Function | Enum,
LateBindingContainer = Class | Interface | TypeLiteral | ObjectLiteral | Function,
}

/* @internal */
Expand Down Expand Up @@ -4707,6 +4707,7 @@ namespace ts {
typeOnlyDeclaration?: TypeOnlyCompatibleAliasDeclaration | false; // First resolved alias declaration that makes the symbol only usable in type constructs
isConstructorDeclaredProperty?: boolean; // Property declared through 'this.x = ...' assignment in constructor
tupleLabelDeclaration?: NamedTupleMember | ParameterDeclaration; // Declaration associated with the tuple's label
enumHasLateBoundMember?: boolean // True if enum declaration contains spread enum member
}

/* @internal */
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