@scaleway/sdk-client
Version:
Scaleway SDK Client
37 lines (36 loc) • 1.43 kB
JavaScript
;
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const extract = (key) => (result) => result[key];
function* pages(key, fetcher, request, firstPage) {
if (!Array.isArray(firstPage[key])) {
throw new Error(`Property ${key} is not a list in paginated result`);
}
const getList = extract(key);
let page = request.page || 1;
if (page === 1) {
yield Promise.resolve(getList(firstPage));
page += 1;
}
const { length } = firstPage[key];
if (!length) return;
const { totalCount } = firstPage;
while (page <= Math.floor((totalCount + length - 1) / length)) {
yield fetcher({ ...request, page }).then(getList);
page += 1;
}
}
async function* fetchPaginated(key, fetcher, request, initial = fetcher(request)) {
yield* pages(key, fetcher, request, await initial);
}
const fetchAll = async (key, fetcher, request, initial = fetcher(request)) => (await Promise.all(Array.from(pages(key, fetcher, request, await initial)))).flat();
const enrichForPagination = (key, fetcher, request) => {
const firstPage = fetcher(request);
return Object.assign(firstPage, {
all: () => fetchAll(key, fetcher, request, firstPage),
[Symbol.asyncIterator]: () => fetchPaginated(key, fetcher, request, firstPage)
});
};
exports.enrichForPagination = enrichForPagination;
exports.extract = extract;
exports.fetchAll = fetchAll;
exports.fetchPaginated = fetchPaginated;