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421 lines
12 KiB
Markdown
421 lines
12 KiB
Markdown
# endpoint.js
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> Turns GitHub REST API endpoints into generic request options
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[](https://www.npmjs.com/package/@octokit/endpoint)
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[](https://travis-ci.org/octokit/endpoint.js)
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[](https://greenkeeper.io/)
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`@octokit/endpoint` combines [GitHub REST API routes](https://developer.github.com/v3/) with your parameters and turns them into generic request options that can be used in any request library.
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<!-- update table of contents by running `npx markdown-toc README.md -i` -->
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<!-- toc -->
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- [Usage](#usage)
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- [API](#api)
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- [endpoint()](#endpoint)
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- [endpoint.defaults()](#endpointdefaults)
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- [endpoint.DEFAULTS](#endpointdefaults)
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- [endpoint.merge()](#endpointmerge)
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- [endpoint.parse()](#endpointparse)
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- [Special cases](#special-cases)
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- [The `data` parameter – set request body directly](#the-data-parameter-%E2%80%93-set-request-body-directly)
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- [Set parameters for both the URL/query and the request body](#set-parameters-for-both-the-urlquery-and-the-request-body)
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- [LICENSE](#license)
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<!-- tocstop -->
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## Usage
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<table>
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<tbody valign=top align=left>
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<tr><th>
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Browsers
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</th><td width=100%>
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Load <code>@octokit/endpoint</code> directly from <a href="https://cdn.pika.dev">cdn.pika.dev</a>
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```html
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<script type="module">
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import { endpoint } from "https://cdn.pika.dev/@octokit/endpoint";
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</script>
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```
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</td></tr>
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<tr><th>
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Node
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</th><td>
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Install with <code>npm install @octokit/endpoint</code>
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```js
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const { endpoint } = require("@octokit/endpoint");
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// or: import { endpoint } from "@octokit/endpoint";
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```
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</td></tr>
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</tbody>
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</table>
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Example for [List organization repositories](https://developer.github.com/v3/repos/#list-organization-repositories)
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```js
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const requestOptions = endpoint("GET /orgs/:org/repos", {
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headers: {
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authorization: "token 0000000000000000000000000000000000000001"
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},
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org: "octokit",
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type: "private"
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});
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```
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The resulting `requestOptions` looks as follows
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```json
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{
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"method": "GET",
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"url": "https://api.github.com/orgs/octokit/repos?type=private",
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"headers": {
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"accept": "application/vnd.github.v3+json",
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"authorization": "token 0000000000000000000000000000000000000001",
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"user-agent": "octokit/endpoint.js v1.2.3"
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}
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}
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```
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You can pass `requestOptions` to commen request libraries
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```js
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const { url, ...options } = requestOptions;
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// using with fetch (https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API)
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fetch(url, options);
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// using with request (https://github.com/request/request)
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request(requestOptions);
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// using with got (https://github.com/sindresorhus/got)
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got[options.method](url, options);
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// using with axios
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axios(requestOptions);
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```
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## API
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### `endpoint(route, options)` or `endpoint(options)`
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<table>
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<thead align=left>
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<tr>
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<th>
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name
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</th>
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<th>
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type
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</th>
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<th width=100%>
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description
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</th>
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</tr>
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</thead>
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<tbody align=left valign=top>
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<tr>
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<th>
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<code>route</code>
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</th>
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<td>
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String
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</td>
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<td>
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If set, it has to be a string consisting of URL and the request method, e.g., <code>GET /orgs/:org</code>. If it’s set to a URL, only the method defaults to <code>GET</code>.
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</td>
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</tr>
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<tr>
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<th>
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<code>options.method</code>
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</th>
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<td>
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String
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</td>
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<td>
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<strong>Required unless <code>route</code> is set.</strong> Any supported <a href="https://developer.github.com/v3/#http-verbs">http verb</a>. <em>Defaults to <code>GET</code></em>.
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</td>
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</tr>
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<tr>
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<th>
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<code>options.url</code>
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</th>
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<td>
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String
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</td>
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<td>
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<strong>Required unless <code>route</code> is set.</strong> A path or full URL which may contain <code>:variable</code> or <code>{variable}</code> placeholders,
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e.g., <code>/orgs/:org/repos</code>. The <code>url</code> is parsed using <a href="https://github.com/bramstein/url-template">url-template</a>.
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</td>
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</tr>
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<tr>
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<th>
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<code>options.baseUrl</code>
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</th>
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<td>
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String
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</td>
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<td>
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<em>Defaults to <code>https://api.github.com</code></em>.
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</td>
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</tr>
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<tr>
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<th>
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<code>options.headers</code>
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</th>
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<td>
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Object
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</td>
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<td>
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Custom headers. Passed headers are merged with defaults:<br>
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<em><code>headers['user-agent']</code> defaults to <code>octokit-endpoint.js/1.2.3</code> (where <code>1.2.3</code> is the released version)</em>.<br>
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<em><code>headers['accept']</code> defaults to <code>application/vnd.github.v3+json</code></em>.<br>
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</td>
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</tr>
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<tr>
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<th>
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<code>options.mediaType.format</code>
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</th>
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<td>
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String
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</td>
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<td>
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Media type param, such as <code>raw</code>, <code>diff</code>, or <code>text+json</code>. See <a href="https://developer.github.com/v3/media/">Media Types</a>. Setting <code>options.mediaType.format</code> will amend the <code>headers.accept</code> value.
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</td>
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</tr>
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<tr>
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<th>
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<code>options.mediaType.previews</code>
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</th>
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<td>
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Array of Strings
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</td>
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<td>
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Name of previews, such as <code>mercy</code>, <code>symmetra</code>, or <code>scarlet-witch</code>. See <a href="https://developer.github.com/v3/previews/">API Previews</a>. If <code>options.mediaType.previews</code> was set as default, the new previews will be merged into the default ones. Setting <code>options.mediaType.previews</code> will amend the <code>headers.accept</code> value. <code>options.mediaType.previews</code> will be merged with an existing array set using <code>.defaults()</code>.
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</td>
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</tr>
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<tr>
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<th>
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<code>options.data</code>
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</th>
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<td>
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Any
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</td>
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<td>
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Set request body directly instead of setting it to JSON based on additional parameters. See <a href="#data-parameter">"The <code>data</code> parameter"</a> below.
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</td>
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</tr>
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<tr>
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<th>
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<code>options.request</code>
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</th>
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<td>
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Object
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</td>
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<td>
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Pass custom meta information for the request. The <code>request</code> object will be returned as is.
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</td>
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</tr>
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</tbody>
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</table>
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All other options will be passed depending on the `method` and `url` options.
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1. If the option key has a placeholder in the `url`, it will be used as the replacement. For example, if the passed options are `{url: '/orgs/:org/repos', org: 'foo'}` the returned `options.url` is `https://api.github.com/orgs/foo/repos`.
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2. If the `method` is `GET` or `HEAD`, the option is passed as a query parameter.
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3. Otherwise, the parameter is passed in the request body as a JSON key.
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**Result**
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`endpoint()` is a synchronous method and returns an object with the following keys:
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<table>
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<thead align=left>
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<tr>
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<th>
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key
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</th>
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<th>
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type
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</th>
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<th width=100%>
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description
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</th>
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</tr>
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</thead>
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<tbody align=left valign=top>
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<tr>
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<th><code>method</code></th>
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<td>String</td>
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<td>The http method. Always lowercase.</td>
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</tr>
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<tr>
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<th><code>url</code></th>
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<td>String</td>
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<td>The url with placeholders replaced with passed parameters.</td>
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</tr>
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<tr>
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<th><code>headers</code></th>
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<td>Object</td>
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<td>All header names are lowercased.</td>
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</tr>
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<tr>
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<th><code>body</code></th>
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<td>Any</td>
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<td>The request body if one is present. Only for <code>PATCH</code>, <code>POST</code>, <code>PUT</code>, <code>DELETE</code> requests.</td>
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</tr>
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<tr>
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<th><code>request</code></th>
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<td>Object</td>
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<td>Request meta option, it will be returned as it was passed into <code>endpoint()</code></td>
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</tr>
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</tbody>
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</table>
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### `endpoint.defaults()`
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Override or set default options. Example:
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```js
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const request = require("request");
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const myEndpoint = require("@octokit/endpoint").defaults({
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baseUrl: "https://github-enterprise.acme-inc.com/api/v3",
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headers: {
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"user-agent": "myApp/1.2.3",
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authorization: `token 0000000000000000000000000000000000000001`
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},
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org: "my-project",
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per_page: 100
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});
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request(myEndpoint(`GET /orgs/:org/repos`));
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```
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You can call `.defaults()` again on the returned method, the defaults will cascade.
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```js
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const myProjectEndpoint = endpoint.defaults({
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baseUrl: "https://github-enterprise.acme-inc.com/api/v3",
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headers: {
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"user-agent": "myApp/1.2.3"
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},
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org: "my-project"
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});
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const myProjectEndpointWithAuth = myProjectEndpoint.defaults({
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headers: {
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authorization: `token 0000000000000000000000000000000000000001`
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}
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});
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```
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`myProjectEndpointWithAuth` now defaults the `baseUrl`, `headers['user-agent']`,
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`org` and `headers['authorization']` on top of `headers['accept']` that is set
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by the global default.
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### `endpoint.DEFAULTS`
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The current default options.
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```js
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endpoint.DEFAULTS.baseUrl; // https://api.github.com
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const myEndpoint = endpoint.defaults({
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baseUrl: "https://github-enterprise.acme-inc.com/api/v3"
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});
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myEndpoint.DEFAULTS.baseUrl; // https://github-enterprise.acme-inc.com/api/v3
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```
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### `endpoint.merge(route, options)` or `endpoint.merge(options)`
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Get the defaulted endpoint options, but without parsing them into request options:
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```js
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const myProjectEndpoint = endpoint.defaults({
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baseUrl: "https://github-enterprise.acme-inc.com/api/v3",
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headers: {
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"user-agent": "myApp/1.2.3"
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},
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org: "my-project"
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});
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myProjectEndpoint.merge("GET /orgs/:org/repos", {
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headers: {
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authorization: `token 0000000000000000000000000000000000000001`
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},
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org: "my-secret-project",
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type: "private"
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});
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// {
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// baseUrl: 'https://github-enterprise.acme-inc.com/api/v3',
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// method: 'GET',
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// url: '/orgs/:org/repos',
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// headers: {
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// accept: 'application/vnd.github.v3+json',
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// authorization: `token 0000000000000000000000000000000000000001`,
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// 'user-agent': 'myApp/1.2.3'
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// },
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// org: 'my-secret-project',
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// type: 'private'
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// }
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```
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### `endpoint.parse()`
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Stateless method to turn endpoint options into request options. Calling
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`endpoint(options)` is the same as calling `endpoint.parse(endpoint.merge(options))`.
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## Special cases
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<a name="data-parameter"></a>
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### The `data` parameter – set request body directly
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Some endpoints such as [Render a Markdown document in raw mode](https://developer.github.com/v3/markdown/#render-a-markdown-document-in-raw-mode) don’t have parameters that are sent as request body keys, instead, the request body needs to be set directly. In these cases, set the `data` parameter.
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```js
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const options = endpoint("POST /markdown/raw", {
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data: "Hello world github/linguist#1 **cool**, and #1!",
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headers: {
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accept: "text/html;charset=utf-8",
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"content-type": "text/plain"
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}
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});
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// options is
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// {
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// method: 'post',
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// url: 'https://api.github.com/markdown/raw',
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// headers: {
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// accept: 'text/html;charset=utf-8',
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// 'content-type': 'text/plain',
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// 'user-agent': userAgent
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// },
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// body: 'Hello world github/linguist#1 **cool**, and #1!'
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// }
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```
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### Set parameters for both the URL/query and the request body
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There are API endpoints that accept both query parameters as well as a body. In that case, you need to add the query parameters as templates to `options.url`, as defined in the [RFC 6570 URI Template specification](https://tools.ietf.org/html/rfc6570).
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Example
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```js
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endpoint(
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"POST https://uploads.github.com/repos/octocat/Hello-World/releases/1/assets{?name,label}",
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{
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name: "example.zip",
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label: "short description",
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headers: {
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"content-type": "text/plain",
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"content-length": 14,
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authorization: `token 0000000000000000000000000000000000000001`
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},
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data: "Hello, world!"
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}
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);
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```
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## LICENSE
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[MIT](LICENSE)
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