Fix `undefined` not allowed for `configFile` in ts-load
Fix `undefined` not allowed for `configFile` in ts-load

Seems like the presense of  `configFile` causes problems if it is not a string

eamodio/vscode,eamodio/vscode,microsoft/vscode,microsoft/vscode,eamodio/vscode,eamodio/vscode,Microsoft/vscode,eamodio/vscode,microsoft/vscode,microsoft/vscode,Microsoft/vscode,Microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,eamodio/vscode,eamodio/vscode,Microsoft/vscode,Microsoft/vscode,Microsoft/vscode,eamodio/vscode,eamodio/vscode,eamodio/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,Microsoft/vscode,Microsoft/vscode,eamodio/vscode,Microsoft/vscode,Microsoft/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,microsoft/vscode,microsoft/vscode,microsoft/vscode,eamodio/vscode,microsoft/vscode,microsoft/vscode,Microsoft/vscode,microsoft/vscode,microsoft/vscode,eamodio/vscode,Microsoft/vscode,eamodio/vscode,microsoft/vscode,Microsoft/vscode,eamodio/vscode,Microsoft/vscode,Microsoft/vscode