setup-node/node_modules/@octokit/request/dist-src/fetch-wrapper.js
2019-08-05 15:18:52 -04:00

89 lines
2.8 KiB
JavaScript

import isPlainObject from "is-plain-object";
import nodeFetch from "node-fetch";
import { RequestError } from "@octokit/request-error";
import getBuffer from "./get-buffer-response";
export default function fetchWrapper(requestOptions) {
if (isPlainObject(requestOptions.body) ||
Array.isArray(requestOptions.body)) {
requestOptions.body = JSON.stringify(requestOptions.body);
}
let headers = {};
let status;
let url;
const fetch = (requestOptions.request && requestOptions.request.fetch) || nodeFetch;
return fetch(requestOptions.url, Object.assign({
method: requestOptions.method,
body: requestOptions.body,
headers: requestOptions.headers,
redirect: requestOptions.redirect
}, requestOptions.request))
.then(response => {
url = response.url;
status = response.status;
for (const keyAndValue of response.headers) {
headers[keyAndValue[0]] = keyAndValue[1];
}
if (status === 204 || status === 205) {
return;
}
// GitHub API returns 200 for HEAD requsets
if (requestOptions.method === "HEAD") {
if (status < 400) {
return;
}
throw new RequestError(response.statusText, status, {
headers,
request: requestOptions
});
}
if (status === 304) {
throw new RequestError("Not modified", status, {
headers,
request: requestOptions
});
}
if (status >= 400) {
return response
.text()
.then(message => {
const error = new RequestError(message, status, {
headers,
request: requestOptions
});
try {
Object.assign(error, JSON.parse(error.message));
}
catch (e) {
// ignore, see octokit/rest.js#684
}
throw error;
});
}
const contentType = response.headers.get("content-type");
if (/application\/json/.test(contentType)) {
return response.json();
}
if (!contentType || /^text\/|charset=utf-8$/.test(contentType)) {
return response.text();
}
return getBuffer(response);
})
.then(data => {
return {
status,
url,
headers,
data
};
})
.catch(error => {
if (error instanceof RequestError) {
throw error;
}
throw new RequestError(error.message, 500, {
headers,
request: requestOptions
});
});
}