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34 lines
1.4 KiB
34 lines
1.4 KiB
/// <reference types="node" />
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import { Readable } from 'stream';
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import { UrlWithStringQuery } from 'url';
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/**
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* Async function that returns a `stream.Readable` instance to the
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* callback function that will output the contents of the given URI.
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*
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* For caching purposes, you can pass in a `stream` instance from a previous
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* `getUri()` call as a `cache: stream` option, and if the destination has
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* not changed since the last time the endpoint was retreived then the callback
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* will be invoked with an Error object with `code` set to "ENOTMODIFIED" and
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* `null` for the "stream" instance argument. In this case, you can skip
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* retreiving the file again and continue to use the previous payload.
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*
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* @param {String} uri URI to retrieve
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* @param {Object} opts optional "options" object
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* @param {Function} fn callback function
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* @api public
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*/
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declare function getUri(uri: string, fn: getUri.GetUriCallback): void;
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declare function getUri(uri: string, opts: getUri.GetUriOptions, fn: getUri.GetUriCallback): void;
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declare function getUri(uri: string, opts?: getUri.GetUriOptions): Promise<Readable>;
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declare namespace getUri {
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interface GetUriOptions {
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cache?: Readable;
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}
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type GetUriCallback = (err?: Error | null, res?: Readable) => void;
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type GetUriProtocol = (parsed: UrlWithStringQuery, opts: getUri.GetUriOptions) => Promise<Readable>;
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const protocols: {
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[key: string]: getUri.GetUriProtocol;
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};
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}
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export = getUri;
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