rxjs-interop/dist/esm/to-observer.js

Observable interop helpers for RxJS

const noop = () => { };
const rethrow = (error) => {
    throw error;
};
export function toObserver(observer) {
    if (observer) {
        if (observer.next && observer.error && observer.complete) {
            return observer;
        }
        return {
            complete: (observer.complete ?? noop).bind(observer),
            error: (observer.error ?? rethrow).bind(observer),
            next: (observer.next ?? noop).bind(observer),
        };
    }
    return {
        complete: noop,
        error: rethrow,
        next: noop,
    };
}
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