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