/* IMPORT */ import {SYMBOL_OBSERVABLE_BOOLEAN} from '~/symbols'; import {isFunction} from '~/utils'; import type {ObservableReadonly} from '~/types'; /* MAIN */ const isObservableBoolean = ( value: unknown ): value is ObservableReadonly => { return isFunction ( value ) && ( SYMBOL_OBSERVABLE_BOOLEAN in value ); }; /* EXPORT */ export default isObservableBoolean;