diff options
Diffstat (limited to 'node_modules/first-chunk-stream')
| -rw-r--r-- | node_modules/first-chunk-stream/index.js | 93 | ||||
| -rw-r--r-- | node_modules/first-chunk-stream/package.json | 36 | ||||
| -rw-r--r-- | node_modules/first-chunk-stream/readme.md | 62 |
3 files changed, 0 insertions, 191 deletions
diff --git a/node_modules/first-chunk-stream/index.js b/node_modules/first-chunk-stream/index.js deleted file mode 100644 index 24815508a..000000000 --- a/node_modules/first-chunk-stream/index.js +++ /dev/null @@ -1,93 +0,0 @@ -'use strict'; -var util = require('util'); -var Transform = require('stream').Transform; - -function ctor(options, transform) { - util.inherits(FirstChunk, Transform); - - if (typeof options === 'function') { - transform = options; - options = {}; - } - - if (typeof transform !== 'function') { - throw new Error('transform function required'); - } - - function FirstChunk(options2) { - if (!(this instanceof FirstChunk)) { - return new FirstChunk(options2); - } - - Transform.call(this, options2); - - this._firstChunk = true; - this._transformCalled = false; - this._minSize = options.minSize; - } - - FirstChunk.prototype._transform = function (chunk, enc, cb) { - this._enc = enc; - - if (this._firstChunk) { - this._firstChunk = false; - - if (this._minSize == null) { - transform.call(this, chunk, enc, cb); - this._transformCalled = true; - return; - } - - this._buffer = chunk; - cb(); - return; - } - - if (this._minSize == null) { - this.push(chunk); - cb(); - return; - } - - if (this._buffer.length < this._minSize) { - this._buffer = Buffer.concat([this._buffer, chunk]); - cb(); - return; - } - - if (this._buffer.length >= this._minSize) { - transform.call(this, this._buffer.slice(), enc, function () { - this.push(chunk); - cb(); - }.bind(this)); - this._transformCalled = true; - this._buffer = false; - return; - } - - this.push(chunk); - cb(); - }; - - FirstChunk.prototype._flush = function (cb) { - if (!this._buffer) { - cb(); - return; - } - - if (this._transformCalled) { - this.push(this._buffer); - cb(); - } else { - transform.call(this, this._buffer.slice(), this._enc, cb); - } - }; - - return FirstChunk; -} - -module.exports = function () { - return ctor.apply(ctor, arguments)(); -}; - -module.exports.ctor = ctor; diff --git a/node_modules/first-chunk-stream/package.json b/node_modules/first-chunk-stream/package.json deleted file mode 100644 index dd1f8770a..000000000 --- a/node_modules/first-chunk-stream/package.json +++ /dev/null @@ -1,36 +0,0 @@ -{ - "name": "first-chunk-stream", - "version": "1.0.0", - "description": "Transform the first chunk in a stream", - "license": "MIT", - "repository": "sindresorhus/first-chunk-stream", - "author": { - "name": "Sindre Sorhus", - "email": "sindresorhus@gmail.com", - "url": "http://sindresorhus.com" - }, - "engines": { - "node": ">=0.10.0" - }, - "scripts": { - "test": "mocha" - }, - "files": [ - "index.js" - ], - "keywords": [ - "buffer", - "stream", - "streams", - "transform", - "first", - "chunk", - "size", - "min", - "minimum" - ], - "devDependencies": { - "concat-stream": "^1.4.5", - "mocha": "*" - } -} diff --git a/node_modules/first-chunk-stream/readme.md b/node_modules/first-chunk-stream/readme.md deleted file mode 100644 index f8909c8f7..000000000 --- a/node_modules/first-chunk-stream/readme.md +++ /dev/null @@ -1,62 +0,0 @@ -# first-chunk-stream [](https://travis-ci.org/sindresorhus/first-chunk-stream) - -> Transform the first chunk in a stream - -Useful if you want to do something to the first chunk. - -You can also set the minimum size of that chunk. - - -## Install - -```sh -$ npm install --save first-chunk-stream -``` - - -## Usage - -```js -var fs = require('fs'); -var concat = require('concat-stream'); -var firstChunk = require('first-chunk-stream'); - -// unicorn.txt => unicorn rainbow -// `highWaterMark: 1` means it will only read 1 byte at the time -fs.createReadStream('unicorn.txt', {highWaterMark: 1}) - .pipe(firstChunk({minSize: 7}, function (chunk, enc, cb) { - this.push(chunk.toUpperCase()); - cb(); - })) - .pipe(concat(function (data) { - console.log(data); - //=> UNICORN rainbow - })); -``` - - -## API - -### firstChunk([options], transform) - -#### options.minSize - -Type: `number` - -The minimum size of the first chunk. - -#### transform(chunk, encoding, callback) - -*Required* -Type: `function` - -The [function](http://nodejs.org/docs/latest/api/stream.html#stream_transform_transform_chunk_encoding_callback) that gets the first chunk. - -### firstChunk.ctor() - -Instead of returning a [stream.Transform](http://nodejs.org/docs/latest/api/stream.html#stream_class_stream_transform_1) instance, `firstChunk.ctor()` returns a constructor for a custom Transform. This is useful when you want to use the same transform logic in multiple instances. - - -## License - -MIT © [Sindre Sorhus](http://sindresorhus.com) |