80 lines
1.9 KiB
JavaScript
80 lines
1.9 KiB
JavaScript
'use strict';
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const assert = require('assert');
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class HTTPResponseError extends Error {
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constructor(response, responseText, ...args) {
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super(
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`HTTP Error Response: ${response.status} ${response.statusText}: ${responseText}\n URL=${response.url}`,
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...args
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);
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this.response = response;
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}
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}
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const checkResponseStatus = async (response) => {
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if (response.ok) {
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// response.status >= 200 && response.status < 300
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return response;
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} else {
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const responseText = await response.text();
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throw new HTTPResponseError(response, responseText);
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}
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};
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async function fetchEndpoint(endpoint, options = {}) {
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// We chose `abortSignal` just because it's a less ambiguous name and obvious what
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// it's used for.
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assert(!options.signal, 'Use `options.abortSignal` instead of `options.signal`');
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const { method, accessToken } = options;
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const headers = options.headers || {};
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if (accessToken) {
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headers.Authorization = `Bearer ${accessToken}`;
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}
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const res = await fetch(endpoint, {
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method,
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headers,
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body: options.body,
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// Abort signal to cancel the request
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signal: options.abortSignal,
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});
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await checkResponseStatus(res);
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return res;
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}
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async function fetchEndpointAsText(endpoint, options) {
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const res = await fetchEndpoint(endpoint, options);
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const data = await res.text();
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return { data, res };
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}
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async function fetchEndpointAsJson(endpoint, options) {
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const opts = {
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...(options || {}),
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headers: {
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Accept: 'application/json',
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'Content-Type': 'application/json',
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...(options?.headers || {}),
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},
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};
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if (options?.body) {
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opts.body = JSON.stringify(options.body);
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}
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const res = await fetchEndpoint(endpoint, opts);
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const data = await res.json();
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return { data, res };
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}
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module.exports = {
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HTTPResponseError,
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fetchEndpoint,
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fetchEndpointAsText,
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fetchEndpointAsJson,
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};
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