106 lines
3.6 KiB
TypeScript
106 lines
3.6 KiB
TypeScript
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/// <reference types="node"/>
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import {Stream} from 'stream';
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declare class MaxBufferErrorClass extends Error {
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readonly name: 'MaxBufferError';
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constructor();
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}
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declare namespace getStream {
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interface Options {
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/**
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Maximum length of the returned string. If it exceeds this value before the stream ends, the promise will be rejected with a `MaxBufferError` error.
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@default Infinity
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*/
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readonly maxBuffer?: number;
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}
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interface OptionsWithEncoding<EncodingType = BufferEncoding> extends Options {
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/**
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[Encoding](https://nodejs.org/api/buffer.html#buffer_buffer) of the incoming stream.
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@default 'utf8'
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*/
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readonly encoding?: EncodingType;
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}
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type MaxBufferError = MaxBufferErrorClass;
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}
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declare const getStream: {
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/**
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Get the `stream` as a string.
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@returns A promise that resolves when the end event fires on the stream, indicating that there is no more data to be read. The stream is switched to flowing mode.
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@example
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```
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import * as fs from 'fs';
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import getStream = require('get-stream');
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(async () => {
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const stream = fs.createReadStream('unicorn.txt');
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console.log(await getStream(stream));
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// ,,))))))));,
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// __)))))))))))))),
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// \|/ -\(((((''''((((((((.
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// -*-==//////(('' . `)))))),
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// /|\ ))| o ;-. '((((( ,(,
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// ( `| / ) ;))))' ,_))^;(~
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// | | | ,))((((_ _____------~~~-. %,;(;(>';'~
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// o_); ; )))(((` ~---~ `:: \ %%~~)(v;(`('~
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// ; ''''```` `: `:::|\,__,%% );`'; ~
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// | _ ) / `:|`----' `-'
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// ______/\/~ | / /
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// /~;;.____/;;' / ___--,-( `;;;/
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// / // _;______;'------~~~~~ /;;/\ /
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// // | | / ; \;;,\
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// (<_ | ; /',/-----' _>
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// \_| ||_ //~;~~~~~~~~~
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// `\_| (,~~
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// \~\
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// ~~
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})();
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```
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*/
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(stream: Stream, options?: getStream.OptionsWithEncoding): Promise<string>;
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/**
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Get the `stream` as a buffer.
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It honors the `maxBuffer` option as above, but it refers to byte length rather than string length.
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*/
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buffer(
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stream: Stream,
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options?: getStream.Options
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): Promise<Buffer>;
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/**
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Get the `stream` as an array of values.
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It honors both the `maxBuffer` and `encoding` options. The behavior changes slightly based on the encoding chosen:
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- When `encoding` is unset, it assumes an [object mode stream](https://nodesource.com/blog/understanding-object-streams/) and collects values emitted from `stream` unmodified. In this case `maxBuffer` refers to the number of items in the array (not the sum of their sizes).
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- When `encoding` is set to `buffer`, it collects an array of buffers. `maxBuffer` refers to the summed byte lengths of every buffer in the array.
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- When `encoding` is set to anything else, it collects an array of strings. `maxBuffer` refers to the summed character lengths of every string in the array.
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*/
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array<StreamObjectModeType>(
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stream: Stream,
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options?: getStream.Options
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): Promise<StreamObjectModeType[]>;
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array(
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stream: Stream,
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options: getStream.OptionsWithEncoding<'buffer'>
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): Promise<Buffer[]>;
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array(
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stream: Stream,
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options: getStream.OptionsWithEncoding<BufferEncoding>
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): Promise<string[]>;
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MaxBufferError: typeof MaxBufferErrorClass;
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};
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export = getStream;
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