in src/handlers/parameterValidator.ts [185:199]
private validateFields(state: StateConstant): void {
// app-name
if (this._appName === undefined || this._appName.trim() === "") {
throw new ValidationError(state, ConfigurationConstant.ParamInAppName, "should not be empty");
}
// package
if (this._packagePath === undefined || this._packagePath.trim() === "") {
throw new ValidationError(state, ConfigurationConstant.ParamInPackagePath, "should not be empty");
}
if (!exist(this._packagePath)) {
throw new ValidationError(state, ConfigurationConstant.ParamInPackagePath, `cannot find '${this._packagePath}'`);
}
}