diff --git a/node_modules/readable-stream/README.md b/node_modules/readable-stream/README.md index 08aca9c421fc1..28ccae1616582 100644 --- a/node_modules/readable-stream/README.md +++ b/node_modules/readable-stream/README.md @@ -15,7 +15,7 @@ npm install --save readable-stream This package is a mirror of the streams implementations in Node.js. -Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v10.15.2/docs/api/stream.html). +Full documentation may be found on the [Node.js website](https://nodejs.org/dist/v10.15.3/docs/api/stream.html). If you want to guarantee a stable streams base, regardless of what version of Node you, or the users of your libraries are using, use **readable-stream** *only* and avoid the *"stream"* module in Node-core, for background see [this blogpost](http://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html). diff --git a/node_modules/readable-stream/lib/_stream_readable.js b/node_modules/readable-stream/lib/_stream_readable.js index 42e16bc8b2b83..33f478d7e8c25 100644 --- a/node_modules/readable-stream/lib/_stream_readable.js +++ b/node_modules/readable-stream/lib/_stream_readable.js @@ -544,13 +544,35 @@ function maybeReadMore(stream, state) { } function maybeReadMore_(stream, state) { - var len = state.length; - - while (!state.reading && !state.ended && state.length < state.highWaterMark) { + // Attempt to read more data if we should. + // + // The conditions for reading more data are (one of): + // - Not enough data buffered (state.length < state.highWaterMark). The loop + // is responsible for filling the buffer with enough data if such data + // is available. If highWaterMark is 0 and we are not in the flowing mode + // we should _not_ attempt to buffer any extra data. We'll get more data + // when the stream consumer calls read() instead. + // - No data in the buffer, and the stream is in flowing mode. In this mode + // the loop below is responsible for ensuring read() is called. Failing to + // call read here would abort the flow and there's no other mechanism for + // continuing the flow if the stream consumer has just subscribed to the + // 'data' event. + // + // In addition to the above conditions to keep reading data, the following + // conditions prevent the data from being read: + // - The stream has ended (state.ended). + // - There is already a pending 'read' operation (state.reading). This is a + // case where the the stream has called the implementation defined _read() + // method, but they are processing the call asynchronously and have _not_ + // called push() with new data. In this case we skip performing more + // read()s. The execution ends in this method again after the _read() ends + // up calling push() with more data. + while (!state.reading && !state.ended && (state.length < state.highWaterMark || state.flowing && state.length === 0)) { + var len = state.length; debug('maybeReadMore read 0'); stream.read(0); if (len === state.length) // didn't get any data, stop spinning. - break;else len = state.length; + break; } state.readingMore = false; diff --git a/node_modules/readable-stream/lib/internal/streams/async_iterator.js b/node_modules/readable-stream/lib/internal/streams/async_iterator.js index 79a6e1e11e010..9fb615a2f3bc4 100644 --- a/node_modules/readable-stream/lib/internal/streams/async_iterator.js +++ b/node_modules/readable-stream/lib/internal/streams/async_iterator.js @@ -47,6 +47,11 @@ function onReadable(iter) { function wrapForNext(lastPromise, iter) { return function (resolve, reject) { lastPromise.then(function () { + if (iter[kEnded]) { + resolve(createIterResult(undefined, true)); + return; + } + iter[kHandlePromise](resolve, reject); }, reject); }; @@ -70,7 +75,7 @@ var ReadableStreamAsyncIteratorPrototype = Object.setPrototypeOf((_Object$setPro } if (this[kEnded]) { - return Promise.resolve(createIterResult(null, true)); + return Promise.resolve(createIterResult(undefined, true)); } if (this[kStream].destroyed) { @@ -83,7 +88,7 @@ var ReadableStreamAsyncIteratorPrototype = Object.setPrototypeOf((_Object$setPro if (_this[kError]) { reject(_this[kError]); } else { - resolve(createIterResult(null, true)); + resolve(createIterResult(undefined, true)); } }); }); @@ -128,7 +133,7 @@ var ReadableStreamAsyncIteratorPrototype = Object.setPrototypeOf((_Object$setPro return; } - resolve(createIterResult(null, true)); + resolve(createIterResult(undefined, true)); }); }); }), _Object$setPrototypeO), AsyncIteratorPrototype); @@ -151,9 +156,6 @@ var createReadableStreamAsyncIterator = function createReadableStreamAsyncIterat }), _defineProperty(_Object$create, kEnded, { value: stream._readableState.endEmitted, writable: true - }), _defineProperty(_Object$create, kLastPromise, { - value: null, - writable: true }), _defineProperty(_Object$create, kHandlePromise, { value: function value(resolve, reject) { var data = iterator[kStream].read(); @@ -170,6 +172,7 @@ var createReadableStreamAsyncIterator = function createReadableStreamAsyncIterat }, writable: true }), _Object$create)); + iterator[kLastPromise] = null; finished(stream, function (err) { if (err && err.code !== 'ERR_STREAM_PREMATURE_CLOSE') { var reject = iterator[kLastReject]; // reject if we are waiting for data in the Promise @@ -192,7 +195,7 @@ var createReadableStreamAsyncIterator = function createReadableStreamAsyncIterat iterator[kLastPromise] = null; iterator[kLastResolve] = null; iterator[kLastReject] = null; - resolve(createIterResult(null, true)); + resolve(createIterResult(undefined, true)); } iterator[kEnded] = true; diff --git a/node_modules/readable-stream/lib/internal/streams/end-of-stream.js b/node_modules/readable-stream/lib/internal/streams/end-of-stream.js index cf23d53b5af3a..831f286d98fa9 100644 --- a/node_modules/readable-stream/lib/internal/streams/end-of-stream.js +++ b/node_modules/readable-stream/lib/internal/streams/end-of-stream.js @@ -4,27 +4,30 @@ var ERR_STREAM_PREMATURE_CLOSE = require('../../../errors').codes.ERR_STREAM_PREMATURE_CLOSE; -function noop() {} - -function isRequest(stream) { - return stream.setHeader && typeof stream.abort === 'function'; -} - function once(callback) { var called = false; - return function (err) { + return function () { if (called) return; called = true; - callback.call(this, err); + + for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + callback.apply(this, args); }; } +function noop() {} + +function isRequest(stream) { + return stream.setHeader && typeof stream.abort === 'function'; +} + function eos(stream, opts, callback) { if (typeof opts === 'function') return eos(stream, null, opts); if (!opts) opts = {}; callback = once(callback || noop); - var ws = stream._writableState; - var rs = stream._readableState; var readable = opts.readable || opts.readable !== false && stream.readable; var writable = opts.writable || opts.writable !== false && stream.writable; @@ -32,13 +35,19 @@ function eos(stream, opts, callback) { if (!stream.writable) onfinish(); }; + var writableEnded = stream._writableState && stream._writableState.finished; + var onfinish = function onfinish() { writable = false; + writableEnded = true; if (!readable) callback.call(stream); }; + var readableEnded = stream._readableState && stream._readableState.endEmitted; + var onend = function onend() { readable = false; + readableEnded = true; if (!writable) callback.call(stream); }; @@ -47,12 +56,16 @@ function eos(stream, opts, callback) { }; var onclose = function onclose() { - if (readable && !(rs && rs.ended)) { - return callback.call(stream, new ERR_STREAM_PREMATURE_CLOSE()); + var err; + + if (readable && !readableEnded) { + if (!stream._readableState || !stream._readableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE(); + return callback.call(stream, err); } - if (writable && !(ws && ws.ended)) { - return callback.call(stream, new ERR_STREAM_PREMATURE_CLOSE()); + if (writable && !writableEnded) { + if (!stream._writableState || !stream._writableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE(); + return callback.call(stream, err); } }; @@ -64,7 +77,7 @@ function eos(stream, opts, callback) { stream.on('complete', onfinish); stream.on('abort', onclose); if (stream.req) onrequest();else stream.on('request', onrequest); - } else if (writable && !ws) { + } else if (writable && !stream._writableState) { // legacy streams stream.on('end', onlegacyfinish); stream.on('close', onlegacyfinish); diff --git a/node_modules/readable-stream/package.json b/node_modules/readable-stream/package.json index 5b9bab6b7c16b..e2cd943594977 100644 --- a/node_modules/readable-stream/package.json +++ b/node_modules/readable-stream/package.json @@ -1,29 +1,30 @@ { - "_from": "readable-stream@3.2.0", - "_id": "readable-stream@3.2.0", + "_from": "readable-stream@3.3.0", + "_id": "readable-stream@3.3.0", "_inBundle": false, - "_integrity": "sha512-RV20kLjdmpZuTF1INEb9IA3L68Nmi+Ri7ppZqo78wj//Pn62fCoJyV9zalccNzDD/OuJpMG4f+pfMl8+L6QdGw==", + "_integrity": "sha512-EsI+s3k3XsW+fU8fQACLN59ky34AZ14LoeVZpYwmZvldCFo0r0gnelwF2TcMjLor/BTL5aDJVBMkss0dthToPw==", "_location": "/readable-stream", "_phantomChildren": {}, "_requested": { "type": "version", "registry": true, - "raw": "readable-stream@3.2.0", + "raw": "readable-stream@3.3.0", "name": "readable-stream", "escapedName": "readable-stream", - "rawSpec": "3.2.0", + "rawSpec": "3.3.0", "saveSpec": null, - "fetchSpec": "3.2.0" + "fetchSpec": "3.3.0" }, "_requiredBy": [ "#USER", "/", + "/bl", "/tar-stream" ], - "_resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.2.0.tgz", - "_shasum": "de17f229864c120a9f56945756e4f32c4045245d", - "_spec": "readable-stream@3.2.0", - "_where": "/Users/aeschright/code/cli", + "_resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.3.0.tgz", + "_shasum": "cb8011aad002eb717bf040291feba8569c986fb9", + "_spec": "readable-stream@3.3.0", + "_where": "/Users/isaacs/dev/npm/cli", "browser": { "util": false, "worker_threads": false, @@ -93,5 +94,5 @@ "test-browsers": "airtap --sauce-connect --loopback airtap.local -- test/browser.js", "update-browser-errors": "babel -o errors-browser.js errors.js" }, - "version": "3.2.0" + "version": "3.3.0" } diff --git a/package-lock.json b/package-lock.json index ce03c33d14822..29397d8480f2d 100644 --- a/package-lock.json +++ b/package-lock.json @@ -5261,9 +5261,9 @@ } }, "readable-stream": { - "version": "3.2.0", - "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.2.0.tgz", - "integrity": "sha512-RV20kLjdmpZuTF1INEb9IA3L68Nmi+Ri7ppZqo78wj//Pn62fCoJyV9zalccNzDD/OuJpMG4f+pfMl8+L6QdGw==", + "version": "3.3.0", + "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.3.0.tgz", + "integrity": "sha512-EsI+s3k3XsW+fU8fQACLN59ky34AZ14LoeVZpYwmZvldCFo0r0gnelwF2TcMjLor/BTL5aDJVBMkss0dthToPw==", "requires": { "inherits": "^2.0.3", "string_decoder": "^1.1.1", diff --git a/package.json b/package.json index 9bdf85d14c784..5511952037ff4 100644 --- a/package.json +++ b/package.json @@ -115,7 +115,7 @@ "read-installed": "~4.0.3", "read-package-json": "^2.0.13", "read-package-tree": "^5.2.2", - "readable-stream": "^3.2.0", + "readable-stream": "^3.3.0", "request": "^2.88.0", "retry": "^0.12.0", "rimraf": "^2.6.3",