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author | Rebecca Turner <me@re-becca.org> | 2018-04-20 18:26:37 -0700 |
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committer | Rebecca Turner <me@re-becca.org> | 2018-05-24 23:24:45 -0700 |
commit | 468ab4519e1b92473acefb22801497a1af6aebae (patch) | |
tree | bdac1d062cd4b094bde3a21147bab5d82c792ece /deps/npm/node_modules/npm-profile/node_modules/mississippi/node_modules/pump/index.js | |
parent | ac8226115e2192a7a46ba07789fa5136f74223e1 (diff) | |
download | android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.tar.gz android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.tar.bz2 android-node-v8-468ab4519e1b92473acefb22801497a1af6aebae.zip |
deps: upgrade npm to 6.1.0
PR-URL: https://github.com/nodejs/node/pull/20190
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Michaƫl Zasso <targos@protonmail.com>
Diffstat (limited to 'deps/npm/node_modules/npm-profile/node_modules/mississippi/node_modules/pump/index.js')
-rw-r--r-- | deps/npm/node_modules/npm-profile/node_modules/mississippi/node_modules/pump/index.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/deps/npm/node_modules/npm-profile/node_modules/mississippi/node_modules/pump/index.js b/deps/npm/node_modules/npm-profile/node_modules/mississippi/node_modules/pump/index.js new file mode 100644 index 0000000000..f0c639a8c8 --- /dev/null +++ b/deps/npm/node_modules/npm-profile/node_modules/mississippi/node_modules/pump/index.js @@ -0,0 +1,80 @@ +var once = require('once') +var eos = require('end-of-stream') +var fs = require('fs') // we only need fs to get the ReadStream and WriteStream prototypes + +var noop = function () {} + +var isFn = function (fn) { + return typeof fn === 'function' +} + +var isFS = function (stream) { + if (!fs) return false // browser + return (stream instanceof (fs.ReadStream || noop) || stream instanceof (fs.WriteStream || noop)) && isFn(stream.close) +} + +var isRequest = function (stream) { + return stream.setHeader && isFn(stream.abort) +} + +var destroyer = function (stream, reading, writing, callback) { + callback = once(callback) + + var closed = false + stream.on('close', function () { + closed = true + }) + + eos(stream, {readable: reading, writable: writing}, function (err) { + if (err) return callback(err) + closed = true + callback() + }) + + var destroyed = false + return function (err) { + if (closed) return + if (destroyed) return + destroyed = true + + if (isFS(stream)) return stream.close(noop) // use close for fs streams to avoid fd leaks + if (isRequest(stream)) return stream.abort() // request.destroy just do .end - .abort is what we want + + if (isFn(stream.destroy)) return stream.destroy() + + callback(err || new Error('stream was destroyed')) + } +} + +var call = function (fn) { + fn() +} + +var pipe = function (from, to) { + return from.pipe(to) +} + +var pump = function () { + var streams = Array.prototype.slice.call(arguments) + var callback = isFn(streams[streams.length - 1] || noop) && streams.pop() || noop + + if (Array.isArray(streams[0])) streams = streams[0] + if (streams.length < 2) throw new Error('pump requires two streams per minimum') + + var error + var destroys = streams.map(function (stream, i) { + var reading = i < streams.length - 1 + var writing = i > 0 + return destroyer(stream, reading, writing, function (err) { + if (!error) error = err + if (err) destroys.forEach(call) + if (reading) return + destroys.forEach(call) + callback(error) + }) + }) + + return streams.reduce(pipe) +} + +module.exports = pump |