`loadFromString`, `loadFromDataURI` so known when ready and set
- Docs (Refactoring): Formally specify `Promise` resolve type;
add `typedef` for dialog result object; add an
`ArbitraryCallbackResult` type
`loadFromString`, `loadFromDataURI` so known when ready and set
- Docs (Refactoring): Formally specify `Promise` resolve type;
add `typedef` for dialog result object; add an
`ArbitraryCallbackResult` type