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/**
* Some “list” response that can be paginated have a different response structure
*
* They have a `total_count` key in the response (search also has `incomplete_results`,
* /installation/repositories also has `repository_selection`), as well as a key with
* the list of the items which name varies from endpoint to endpoint.
*
* Octokit normalizes these responses so that paginated results are always returned following
* the same structure. One challenge is that if the list response has only one page, no Link
* header is provided, so this header alone is not sufficient to check wether a response is
* paginated or not.
*
* We check if a "total_count" key is present in the response data, but also make sure that
* a "url" property is not, as the "Get the combined status for a specific ref" endpoint would
* otherwise match: https://developer.github.com/v3/repos/statuses/#get-the-combined-status-for-a-specific-ref
*/
export function normalizePaginatedListResponse(response) {
// endpoints can respond with 204 if repository is empty
if (!response.data) {
return {
...response,
data: [],
};
}
const responseNeedsNormalization = "total_count" in response.data && !("url" in response.data);
if (!responseNeedsNormalization)
return response;
// keep the additional properties intact as there is currently no other way
// to retrieve the same information.
const incompleteResults = response.data.incomplete_results;
const repositorySelection = response.data.repository_selection;
const totalCount = response.data.total_count;
delete response.data.incomplete_results;
delete response.data.repository_selection;
delete response.data.total_count;
const namespaceKey = Object.keys(response.data)[0];
const data = response.data[namespaceKey];
response.data = data;
if (typeof incompleteResults !== "undefined") {
response.data.incomplete_results = incompleteResults;
}
if (typeof repositorySelection !== "undefined") {
response.data.repository_selection = repositorySelection;
}
response.data.total_count = totalCount;
return response;
}