microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-15 12:51:30 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Elt access assignment uses declared, not narrowed type (#27574)

Browse Source 
I forgot to do this in #26424.

Fixes #27557
Fixes #27412
This commit is contained in:
Nathan Shively-Sanders
2018-10-05 11:30:10 -07:00
committed by GitHub
parent e1d346ea53
commit c080324974
8 changed files with 108 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/compiler/checker.ts
View File

@@ -9305,7 +9305,9 @@ namespace ts {
}
}
const propType = getTypeOfSymbol(prop);
return accessExpression ? getFlowTypeOfReference(accessExpression, propType) : propType;
return accessExpression && getAssignmentTargetKind(accessExpression) !== AssignmentKind.Definite ?
getFlowTypeOfReference(accessExpression, propType) :
propType;
}
if (isTupleType(objectType)) {
const restType = getRestTypeOfTupleType(objectType);