142 lines
5.1 KiB
JavaScript
142 lines
5.1 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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const VERSION = "1.1.2";
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/**
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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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* - https://developer.github.com/v3/search/#example (key `items`)
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* - https://developer.github.com/v3/checks/runs/#response-3 (key: `check_runs`)
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* - https://developer.github.com/v3/checks/suites/#response-1 (key: `check_suites`)
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* - https://developer.github.com/v3/apps/installations/#list-repositories (key: `repositories`)
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* - https://developer.github.com/v3/apps/installations/#list-installations-for-a-user (key `installations`)
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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. For the exceptions with the namespace, a fallback check for the route
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* paths has to be added in order to normalize the response. We cannot check for the total_count
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* property because it also exists in the response of Get the combined status for a specific ref.
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*/
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const REGEX = [/^\/search\//, /^\/repos\/[^/]+\/[^/]+\/commits\/[^/]+\/(check-runs|check-suites)([^/]|$)/, /^\/installation\/repositories([^/]|$)/, /^\/user\/installations([^/]|$)/, /^\/repos\/[^/]+\/[^/]+\/actions\/secrets([^/]|$)/, /^\/repos\/[^/]+\/[^/]+\/actions\/workflows(\/[^/]+\/runs)?([^/]|$)/, /^\/repos\/[^/]+\/[^/]+\/actions\/runs(\/[^/]+\/(artifacts|jobs))?([^/]|$)/];
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function normalizePaginatedListResponse(octokit, url, response) {
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const path = url.replace(octokit.request.endpoint.DEFAULTS.baseUrl, "");
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const responseNeedsNormalization = REGEX.find(regex => regex.test(path));
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if (!responseNeedsNormalization) return; // 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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Object.defineProperty(response.data, namespaceKey, {
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get() {
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octokit.log.warn(`[@octokit/paginate-rest] "response.data.${namespaceKey}" is deprecated for "GET ${path}". Get the results directly from "response.data"`);
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return Array.from(data);
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}
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});
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}
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function iterator(octokit, route, parameters) {
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const options = octokit.request.endpoint(route, parameters);
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const method = options.method;
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const headers = options.headers;
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let url = options.url;
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return {
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[Symbol.asyncIterator]: () => ({
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next() {
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if (!url) {
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return Promise.resolve({
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done: true
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});
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}
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return octokit.request({
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method,
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url,
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headers
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}).then(response => {
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normalizePaginatedListResponse(octokit, url, response); // `response.headers.link` format:
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// '<https://api.github.com/users/aseemk/followers?page=2>; rel="next", <https://api.github.com/users/aseemk/followers?page=2>; rel="last"'
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// sets `url` to undefined if "next" URL is not present or `link` header is not set
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url = ((response.headers.link || "").match(/<([^>]+)>;\s*rel="next"/) || [])[1];
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return {
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value: response
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};
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});
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}
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})
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};
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}
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function paginate(octokit, route, parameters, mapFn) {
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if (typeof parameters === "function") {
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mapFn = parameters;
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parameters = undefined;
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}
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return gather(octokit, [], iterator(octokit, route, parameters)[Symbol.asyncIterator](), mapFn);
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}
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function gather(octokit, results, iterator, mapFn) {
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return iterator.next().then(result => {
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if (result.done) {
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return results;
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}
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let earlyExit = false;
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function done() {
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earlyExit = true;
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}
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results = results.concat(mapFn ? mapFn(result.value, done) : result.value.data);
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if (earlyExit) {
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return results;
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}
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return gather(octokit, results, iterator, mapFn);
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});
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}
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/**
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* @param octokit Octokit instance
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* @param options Options passed to Octokit constructor
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*/
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function paginateRest(octokit) {
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return {
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paginate: Object.assign(paginate.bind(null, octokit), {
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iterator: iterator.bind(null, octokit)
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})
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};
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}
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paginateRest.VERSION = VERSION;
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exports.paginateRest = paginateRest;
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//# sourceMappingURL=index.js.map
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