Function handleThingChange

src/ui-solid-dom/common/components.tsx:181–188

(
    thing: Thing,
    setTypedThing: (thing: Thing) => void,
  )

  });

  const handleThingChange = <Thing extends Cell | Value>(
    thing: Thing,
    setTypedThing: (thing: Thing) => void,
  ) => {
    setTypedThing(thing);
    setCurrentThing(() => thing);
    props.onThingChange(thing);
  };

  const handleJsonThingChange = (
    value: string,