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Add depth limit to recursive type reference id generation

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4 is the limit.
This commit is contained in:
Nathan Shively-Sanders
2017-09-01 14:19:12 -07:00
parent c9d081eed4
commit 520d7fff49
1 changed files with 3 additions and 3 deletions
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6
src/compiler/checker.ts
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@@ -9790,7 +9790,7 @@ namespace ts {
* getTypeReferenceId(A<T, number, U>) returns "111=0-12=1"
* where A.id=111 and number.id=12
*/
function getTypeReferenceId(type: TypeReference, typeParameters: Type[]) {
function getTypeReferenceId(type: TypeReference, typeParameters: Type[], depth = 0) {
let result = "" + type.target.id;
for (const t of type.typeArguments) {
if (isUnconstrainedTypeParameter(t)) {
@@ -9801,8 +9801,8 @@ namespace ts {
}
result += "=" + index;
}
else if (isTypeReferenceWithGenericArguments(t)) {
result += "<" + getTypeReferenceId(t, typeParameters) + ">";
else if (depth < 4 && isTypeReferenceWithGenericArguments(t)) {
result += "<" + getTypeReferenceId(t, typeParameters, depth + 1) + ">";
}
else {
result += "-" + t.id;