constErrorColor=Enum({OK:"green",ERROR:"red"});typeErrorColor=Enum<typeofErrorColor>;constErrorLevel=Enum.ofKeys(ErrorColor);consterrorLevel=getErrorLevel();if(errorLevel===ErrorLevel.ERROR){    ...}

constColor=Enum("RED","GREEN","BLUE","PUCE");typeColor=Enum<typeofColor>;letselectedColor:Color;constcolorString=getUserInputString();// Unsanitized string.if(Enum.isType(Color,colorString)){// Allowed because within type guard.selectedColor=colorString;}else{thrownewError(`${colorString} is not a valid color`);}

constFileType=Enum({PDF:"application/pdf",Text:"text/plain",JPEG:"image/jpeg",});typeFileType=Enum<typeofFileType>;constkeys=Enum.keys(FileType);// Inferred type: ("PDF" | "Text" | "JPEG")[]// Return value: ["PDF", "Text", "JPEG"] (not necessarily in that order)constvalues=Enum.values(FileType);// Inferred type: ("application/pdf" | "text/plain" | "image/jpeg")[]// Return value: ["application/pdf", "text/plain", "image/jpeg"] (not necessarily in that order)

exportconstStatus=Enum({/**     * Everything is fine.     *     * Hovering over Status.RUNNING in an IDE will show this comment.     */RUNNING:"running",/**     * All is lost.     */STOPPED:"stopped",});exporttypeStatus=Enum<typeofStatus>;console.log(Status.RUNNING);// -> "running"