microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-15 21:36:50 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Merge pull request #21328 from Lazarus535/master

Browse Source 
Fixes #17080
This commit is contained in:
Nathan Shively-Sanders
2018-01-22 14:08:21 -08:00
committed by GitHub
parent 3735bb6fe7 7b449a5e62
commit a3387cc41f
6 changed files with 701 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/compiler/checker.ts
View File

@@ -13048,7 +13048,7 @@ namespace ts {
node.parent.kind === SyntaxKind.NonNullExpression ||
declaration.kind === SyntaxKind.VariableDeclaration && (<VariableDeclaration>declaration).exclamationToken ||
declaration.flags & NodeFlags.Ambient;
const initialType = assumeInitialized ? (isParameter ? removeOptionalityFromDeclaredType(type, getRootDeclaration(declaration) as VariableLikeDeclaration) : type) :
const initialType = assumeInitialized ? (isParameter ? removeOptionalityFromDeclaredType(type, declaration as VariableLikeDeclaration) : type) :
type === autoType || type === autoArrayType ? undefinedType :
getOptionalType(type);
const flowType = getFlowTypeOfReference(node, type, initialType, flowContainer, !assumeInitialized);