fets/esm/utils.js

TypeScript HTTP Framework focusing on e2e type-safety, easy setup, performance & great developer experience

import { isPromise } from '@whatwg-node/server';
export function asyncIterationUntilReturn(iterable, callback) {
    const iterator = iterable[Symbol.iterator]();
    function iterate() {
        const { value, done } = iterator.next();
        if (done) {
            return;
        }
        if (value) {
            const callbackResult$ = callback(value);
            if (isPromise(callbackResult$)) {
                return callbackResult$.then(callbackResult => {
                    if (callbackResult) {
                        return callbackResult;
                    }
                    return iterate();
                });
            }
            if (callbackResult$) {
                return callbackResult$;
            }
            return iterate();
        }
    }
    return iterate();
}
export function isBlob(value) {
    return value.arrayBuffer !== undefined;
}