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Change name of the function

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This commit is contained in:
Mohamed Hegazy 2016-11-29 10:36:55 -08:00
parent 5c10764d9b
commit 5c4f145d6a
1 changed files with 13 additions and 6 deletions
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19
src/compiler/checker.ts
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@ -3098,7 +3098,7 @@ namespace ts {
let type: Type;
if (pattern.kind === SyntaxKind.ObjectBindingPattern) {
if (declaration.dotDotDotToken) {
if (isInvalidSpreadType(parentType)) {
if (!isValidSpreadType(parentType)) {
error(declaration, Diagnostics.Rest_types_may_only_be_created_from_object_types);
return unknownType;
}
@ -11449,7 +11449,7 @@ namespace ts {
typeFlags = 0;
}
const type = checkExpression((memberDecl as SpreadAssignment).expression);
if (!(type.flags & TypeFlags.Any) && isInvalidSpreadType(type)) {
if (!isValidSpreadType(type)) {
error(memberDecl, Diagnostics.Spread_types_may_only_be_created_from_object_types);
return unknownType;
}
@ -11527,14 +11527,21 @@ namespace ts {
}
}
function isInvalidSpreadType(type: Type): boolean {
function isValidSpreadType(type: Type): boolean {
if (type.flags & TypeFlags.Any) {
return true;
}
if (type.flags & TypeFlags.Object) {
return isGenericMappedType(type);
return !isGenericMappedType(type);
}
else if (type.flags & TypeFlags.UnionOrIntersection) {
return forEach((<UnionOrIntersectionType>type).types, isInvalidSpreadType);
for (const t of (<UnionOrIntersectionType>type).types) {
if (!isValidSpreadType(t)) {
return false;
}
}
}
return true;
return false;
}
function checkJsxSelfClosingElement(node: JsxSelfClosingElement) {