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author | Florian Dold <florian.dold@gmail.com> | 2017-05-28 00:38:50 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-28 00:40:43 +0200 |
commit | 7fff4499fd915bcea3fa93b1aa8b35f4fe7a6027 (patch) | |
tree | 6de9a1aebd150a23b7f8c273ec657a5d0a18fe3e /node_modules/get-stream | |
parent | 963b7a41feb29cc4be090a2446bdfe0c1f1bcd81 (diff) | |
download | wallet-core-7fff4499fd915bcea3fa93b1aa8b35f4fe7a6027.tar.xz |
add linting (and some initial fixes)
Diffstat (limited to 'node_modules/get-stream')
-rw-r--r-- | node_modules/get-stream/buffer-stream.js | 54 | ||||
-rw-r--r-- | node_modules/get-stream/index.js | 59 | ||||
-rw-r--r-- | node_modules/get-stream/license | 21 | ||||
-rw-r--r-- | node_modules/get-stream/package.json | 49 | ||||
-rw-r--r-- | node_modules/get-stream/readme.md | 115 |
5 files changed, 298 insertions, 0 deletions
diff --git a/node_modules/get-stream/buffer-stream.js b/node_modules/get-stream/buffer-stream.js new file mode 100644 index 000000000..cc834c4dc --- /dev/null +++ b/node_modules/get-stream/buffer-stream.js @@ -0,0 +1,54 @@ +var PassThrough = require('stream').PassThrough; +var objectAssign = require('object-assign'); + +module.exports = function (opts) { + opts = objectAssign({}, opts); + + var array = opts.array; + var encoding = opts.encoding; + + var buffer = encoding === 'buffer'; + var objectMode = false; + + if (array) { + objectMode = !(encoding || buffer); + } else { + encoding = encoding || 'utf8'; + } + + if (buffer) { + encoding = null; + } + + var len = 0; + var ret = []; + + var stream = new PassThrough({objectMode: objectMode}); + + if (encoding) { + stream.setEncoding(encoding); + } + + stream.on('data', function (chunk) { + ret.push(chunk); + + if (objectMode) { + len = ret.length; + } else { + len += chunk.length; + } + }); + + stream.getBufferedValue = function () { + if (array) { + return ret; + } + return buffer ? Buffer.concat(ret, len) : ret.join(''); + }; + + stream.getBufferedLength = function () { + return len; + }; + + return stream; +}; diff --git a/node_modules/get-stream/index.js b/node_modules/get-stream/index.js new file mode 100644 index 000000000..aa60cf038 --- /dev/null +++ b/node_modules/get-stream/index.js @@ -0,0 +1,59 @@ +'use strict'; +var Promise = require('pinkie-promise'); +var objectAssign = require('object-assign'); +var bufferStream = require('./buffer-stream'); + +function getStream(inputStream, opts) { + if (!inputStream) { + return Promise.reject(new Error('Expected a stream')); + } + + opts = objectAssign({maxBuffer: Infinity}, opts); + var maxBuffer = opts.maxBuffer; + var stream; + var clean; + + var p = new Promise(function (resolve, reject) { + stream = bufferStream(opts); + inputStream.once('error', error); + inputStream.pipe(stream); + + stream.on('data', function () { + if (stream.getBufferedLength() > maxBuffer) { + reject(new Error('maxBuffer exceeded')); + } + }); + stream.once('error', error); + stream.on('end', resolve); + + clean = function () { + // some streams doesn't implement the stream.Readable interface correctly + if (inputStream.unpipe) { + inputStream.unpipe(stream); + } + }; + + function error(err) { + if (err) { // null check + err.bufferedData = stream.getBufferedValue(); + } + reject(err); + } + }); + + p.then(clean, clean); + + return p.then(function () { + return stream.getBufferedValue(); + }); +} + +module.exports = getStream; + +module.exports.buffer = function (stream, opts) { + return getStream(stream, objectAssign({}, opts, {encoding: 'buffer'})); +}; + +module.exports.array = function (stream, opts) { + return getStream(stream, objectAssign({}, opts, {array: true})); +}; diff --git a/node_modules/get-stream/license b/node_modules/get-stream/license new file mode 100644 index 000000000..654d0bfe9 --- /dev/null +++ b/node_modules/get-stream/license @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/node_modules/get-stream/package.json b/node_modules/get-stream/package.json new file mode 100644 index 000000000..e23737dd5 --- /dev/null +++ b/node_modules/get-stream/package.json @@ -0,0 +1,49 @@ +{ + "name": "get-stream", + "version": "2.3.1", + "description": "Get a stream as a string, buffer, or array", + "license": "MIT", + "repository": "sindresorhus/get-stream", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=0.10.0" + }, + "scripts": { + "test": "xo && ava" + }, + "files": [ + "index.js", + "buffer-stream.js" + ], + "keywords": [ + "get", + "stream", + "promise", + "concat", + "string", + "str", + "text", + "buffer", + "read", + "data", + "readable", + "readablestream", + "array", + "object", + "obj" + ], + "dependencies": { + "object-assign": "^4.0.1", + "pinkie-promise": "^2.0.0" + }, + "devDependencies": { + "ava": "*", + "buffer-equals": "^1.0.3", + "into-stream": "^2.0.1", + "xo": "*" + } +} diff --git a/node_modules/get-stream/readme.md b/node_modules/get-stream/readme.md new file mode 100644 index 000000000..a74866bb2 --- /dev/null +++ b/node_modules/get-stream/readme.md @@ -0,0 +1,115 @@ +# get-stream [![Build Status](https://travis-ci.org/sindresorhus/get-stream.svg?branch=master)](https://travis-ci.org/sindresorhus/get-stream) + +> Get a stream as a string, buffer, or array + + +## Install + +``` +$ npm install --save get-stream +``` + + +## Usage + +```js +const fs = require('fs'); +const getStream = require('get-stream'); +const stream = fs.createReadStream('unicorn.txt'); + +getStream(stream).then(str => { + console.log(str); + /* + ,,))))))));, + __)))))))))))))), + \|/ -\(((((''''((((((((. + -*-==//////(('' . `)))))), + /|\ ))| o ;-. '((((( ,(, + ( `| / ) ;))))' ,_))^;(~ + | | | ,))((((_ _____------~~~-. %,;(;(>';'~ + o_); ; )))(((` ~---~ `:: \ %%~~)(v;(`('~ + ; ''''```` `: `:::|\,__,%% );`'; ~ + | _ ) / `:|`----' `-' + ______/\/~ | / / + /~;;.____/;;' / ___--,-( `;;;/ + / // _;______;'------~~~~~ /;;/\ / + // | | / ; \;;,\ + (<_ | ; /',/-----' _> + \_| ||_ //~;~~~~~~~~~ + `\_| (,~~ + \~\ + ~~ + */ +}); +``` + + +## API + +The methods returns a promise that is resolved 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. + +### getStream(stream, [options]) + +Get the `stream` as a string. + +#### options + +##### encoding + +Type: `string`<br> +Default: `utf8` + +[Encoding](https://nodejs.org/api/buffer.html#buffer_buffer) of the incoming stream. + +##### maxBuffer + +Type: `number`<br> +Default: `Infinity` + +Maximum length of the returned string. If it exceeds this value before the stream ends, the promise will be rejected. + +### getStream.buffer(stream, [options]) + +Get the `stream` as a buffer. + +It honors the `maxBuffer` option as above, but it refers to byte length rather than string length. + +### getStream.array(stream, [options]) + +Get the `stream` as an array of values. + +It honors both the `maxBuffer` and `encoding` options. The behavior changes slightly based on the encoding chosen: + +- 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). + +- 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. + +- 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. + + +## Errors + +If the input stream emits an `error` event, the promise will be rejected with the error. The buffered data will be attached to the `bufferedData` property of the error. + +```js +getStream(streamThatErrorsAtTheEnd('unicorn')) + .catch(err => console.log(err.bufferedData)); +// unicorn +``` + + +## FAQ + +### How is this different from [`concat-stream`](https://github.com/maxogden/concat-stream)? + +This module accepts a stream instead of being one and returns a promise instead of using a callback. The API is simpler and it only supports returning a string, buffer, or array. It doesn't have a fragile type inference. You explicitly choose what you want. And it doesn't depend on the huge `readable-stream` package. + + +## Related + +- [get-stdin](https://github.com/sindresorhus/get-stdin) - Get stdin as a string or buffer + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) |