microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-16 07:13:45 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Fix crash in elaborateElementwise when the target property is known but

Browse Source 
it doesn't have a declaration (e.g., in a mapped type).

Fixes #25498.
This commit is contained in:
Matt McCutchen
2018-07-07 16:27:23 -04:00
parent 10b174abc1
commit d5fd17bf0b
6 changed files with 53 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/compiler/checker.ts
View File

@@ -10367,9 +10367,9 @@ namespace ts {
}
}
if (!issuedElaboration && (length(targetProp && targetProp.declarations) || length(target.symbol && target.symbol.declarations))) {
if (!issuedElaboration && (targetProp && length(targetProp.declarations) || target.symbol && length(target.symbol.declarations))) {
addRelatedInfo(reportedDiag, createDiagnosticForNode(
targetProp ? targetProp.declarations[0] : target.symbol.declarations[0],
targetProp && length(targetProp.declarations) ? targetProp.declarations[0] : target.symbol.declarations[0],
Diagnostics.The_expected_type_comes_from_property_0_which_is_declared_here_on_type_1,
propertyName && !(nameType.flags & TypeFlags.UniqueESSymbol) ? unescapeLeadingUnderscores(propertyName) : typeToString(nameType),
typeToString(target)