Fix: test for presence, not absence

This commit is contained in:
Andy Hanson 2016-10-27 08:43:22 -07:00
parent ed82fddb8c
commit 4e20882ac0

View File

@ -333,7 +333,7 @@ namespace ts {
if (host.resolveModuleNames) {
resolveModuleNamesWorker = (moduleNames, containingFile) => host.resolveModuleNames(moduleNames, containingFile).map(resolved => {
// An older host may have omitted extension, in which case we should infer it from the file extension of resolvedFileName.
if (!resolved || resolved.extension === undefined) {
if (!resolved || resolved.extension !== undefined) {
return resolved;
}
resolved = clone(resolved);