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Improve error message spans when object literals have excess properties.

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This commit is contained in:
Daniel Rosenwasser
2015-08-31 01:07:30 -07:00
parent d0281f0e0e
commit 41f37f5890
1 changed files with 12 additions and 1 deletions
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13
src/compiler/checker.ts
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@@ -4593,6 +4593,16 @@ namespace ts {
}
return result !== Ternary.False;
function reportErrorAndTryImproveErrorNode(
newErrorNode: Node,
message: DiagnosticMessage,
arg0?: string,
arg1?: string,
arg2?: string) {
errorNode = newErrorNode || errorNode;
reportError(message, arg0, arg1, arg2);
}
function reportError(message: DiagnosticMessage, arg0?: string, arg1?: string, arg2?: string): void {
errorInfo = chainDiagnosticMessages(errorInfo, message, arg0, arg1, arg2);
}
@@ -4767,7 +4777,8 @@ namespace ts {
for (let prop of getPropertiesOfObjectType(source)) {
if (!isKnownProperty(target, prop.name)) {
if (reportErrors) {
reportError(Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target));
reportErrorAndTryImproveErrorNode(prop.valueDeclaration,
Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target));
}
return true;
}