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Add support for walking IndexTypes, IndexedAccessTypes, and MappedTypes.

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This commit is contained in:
Andrew Casey
2017-08-17 13:23:11 -07:00
parent d7ace2086f
commit 1a20b6a7c3
1 changed files with 26 additions and 0 deletions
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26
src/compiler/symbolWalker.ts
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@@ -53,6 +53,9 @@ namespace ts {
if (objectFlags & ObjectFlags.Reference) {
visitTypeReference(type as TypeReference);
}
if (objectFlags & ObjectFlags.Mapped) {
visitMappedType(type as MappedType);
}
if (objectFlags & (ObjectFlags.Class | ObjectFlags.Interface)) {
visitInterfaceType(type as InterfaceType);
}
@@ -66,6 +69,12 @@ namespace ts {
if (type.flags & TypeFlags.UnionOrIntersection) {
visitUnionOrIntersectionType(type as UnionOrIntersectionType);
}
if (type.flags & TypeFlags.Index) {
visitIndexType(type as IndexType);
}
if (type.flags & TypeFlags.IndexedAccess) {
visitIndexedAccessType(type as IndexedAccessType);
}
}
function visitTypeList(types: Type[]): void {
@@ -90,6 +99,23 @@ namespace ts {
visitTypeList(type.types);
}
function visitIndexType(type: IndexType): void {
visitType(type.type);
}
function visitIndexedAccessType(type: IndexedAccessType): void {
visitType(type.objectType);
visitType(type.indexType);
visitType(type.constraint);
}
function visitMappedType(type: MappedType): void {
visitType(type.typeParameter);
visitType(type.constraintType);
visitType(type.templateType);
visitType(type.modifiersType);
}
function visitSignature(signature: Signature): void {
if (signature.typePredicate) {
visitType(signature.typePredicate.type);