123 lines
4.2 KiB
JavaScript
123 lines
4.2 KiB
JavaScript
import { isPlainObject } from "is-plain-object";
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import nodeFetch from "node-fetch";
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import { RequestError } from "@octokit/request-error";
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import getBuffer from "./get-buffer-response";
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export default function fetchWrapper(requestOptions) {
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const log = requestOptions.request && requestOptions.request.log
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? requestOptions.request.log
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: console;
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if (isPlainObject(requestOptions.body) ||
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Array.isArray(requestOptions.body)) {
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requestOptions.body = JSON.stringify(requestOptions.body);
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}
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let headers = {};
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let status;
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let url;
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const fetch = (requestOptions.request && requestOptions.request.fetch) ||
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globalThis.fetch ||
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/* istanbul ignore next */ nodeFetch;
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return fetch(requestOptions.url, Object.assign({
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method: requestOptions.method,
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body: requestOptions.body,
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headers: requestOptions.headers,
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redirect: requestOptions.redirect,
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},
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// `requestOptions.request.agent` type is incompatible
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// see https://github.com/octokit/types.ts/pull/264
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requestOptions.request))
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.then(async (response) => {
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url = response.url;
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status = response.status;
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for (const keyAndValue of response.headers) {
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headers[keyAndValue[0]] = keyAndValue[1];
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}
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if ("deprecation" in headers) {
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const matches = headers.link && headers.link.match(/<([^>]+)>; rel="deprecation"/);
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const deprecationLink = matches && matches.pop();
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log.warn(`[@octokit/request] "${requestOptions.method} ${requestOptions.url}" is deprecated. It is scheduled to be removed on ${headers.sunset}${deprecationLink ? `. See ${deprecationLink}` : ""}`);
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}
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if (status === 204 || status === 205) {
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return;
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}
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// GitHub API returns 200 for HEAD requests
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if (requestOptions.method === "HEAD") {
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if (status < 400) {
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return;
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}
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throw new RequestError(response.statusText, status, {
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response: {
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url,
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status,
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headers,
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data: undefined,
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},
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request: requestOptions,
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});
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}
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if (status === 304) {
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throw new RequestError("Not modified", status, {
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response: {
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url,
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status,
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headers,
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data: await getResponseData(response),
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},
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request: requestOptions,
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});
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}
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if (status >= 400) {
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const data = await getResponseData(response);
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const error = new RequestError(toErrorMessage(data), status, {
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response: {
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url,
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status,
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headers,
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data,
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},
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request: requestOptions,
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});
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throw error;
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}
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return getResponseData(response);
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})
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.then((data) => {
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return {
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status,
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url,
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headers,
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data,
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};
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})
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.catch((error) => {
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if (error instanceof RequestError)
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throw error;
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else if (error.name === "AbortError")
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throw error;
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throw new RequestError(error.message, 500, {
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request: requestOptions,
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});
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});
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}
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async function getResponseData(response) {
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const contentType = response.headers.get("content-type");
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if (/application\/json/.test(contentType)) {
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return response.json();
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}
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if (!contentType || /^text\/|charset=utf-8$/.test(contentType)) {
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return response.text();
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}
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return getBuffer(response);
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}
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function toErrorMessage(data) {
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if (typeof data === "string")
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return data;
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// istanbul ignore else - just in case
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if ("message" in data) {
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if (Array.isArray(data.errors)) {
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return `${data.message}: ${data.errors.map(JSON.stringify).join(", ")}`;
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}
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return data.message;
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}
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// istanbul ignore next - just in case
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return `Unknown error: ${JSON.stringify(data)}`;
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}
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