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

Fixes #17080

Browse Source 
Changes are in src/compiler.checker.ts only
The second arguments to the function "removeOptionalityFromDeclaredType" has been changed from "getRootDeclaration(declaration)" to "declaration".
This commit is contained in:
Stephan Ginthör
2018-01-22 09:52:58 +01:00
parent 92bde084c1
commit 18e1ac0306
7 changed files with 539 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/compiler/checker.ts
View File

@@ -13046,7 +13046,7 @@ 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);