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Flotsam and jetsam

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master
Sven Slootweg 3 years ago
parent 3ed16ea1eb
commit 2d04141d07
3 changed files with 47 additions and 31 deletions
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4
README.md
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@ -10,3 +10,7 @@ __Why does Promistreams not have Duplex streams?__ Because they're surprisingly
Aside from that, they are also just difficult to work with. Developers routinely get tripped up by the difference between a Duplex and a Transform stream, and it's much simpler to reason about your streams code when a separate readable and writable stream don't pretend to be a single stream when they're really not.
--
Things to document:
- "Cannot read from a partial pipeline; maybe you forgot to specify a source stream?" means that the stream you thought was readable/writable is actually a transform stream that's internally wired up to something else, and you should use the explicit fromReadable/fromWritable methods in that case. The adapter library cannot (currently) detect it, and wiring this up wrong can result in strange behaviour and phantom values.

1
index.js
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@ -137,6 +137,7 @@ function fromTransform(stream) {
if (endHandled) {
// NOTE: This logic exists at the start, not in the upstream EndOfStream handling code, because any number of buffer reads may be required before the wrapped Node stream can be closed
// NOTE: The push-buffer will automatically produce EndOfStream markers once the buffer has run out and the underlying stream has closed, so long as we're using the wireUpReadableInterface function
// FIXME: Refactor this design to request-matcher instead?
return Promise.try(() => {
return readable.request();
}).then((result) => {

73
yarn.lock
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@ -71,9 +71,9 @@
bluebird "^3.5.4"
"@promistream/pipe@^0.1.1", "@promistream/pipe@^0.1.4":
version "0.1.4"
resolved "https://registry.yarnpkg.com/@promistream/pipe/-/pipe-0.1.4.tgz#ef05fe582a33768c7eb56ad20635e1b7b48ac95b"
integrity sha512-4js6lhu/aTNEMosIBFcCz8Rkxc1S2V4zzI2QvZp9HqglhL5UTuxnv5VbU2ZlPFAFVID1aJOurZ8KdiVagHfOCw==
version "0.1.6"
resolved "https://registry.yarnpkg.com/@promistream/pipe/-/pipe-0.1.6.tgz#fb7d930fd7011a9542502904049023fdaa87b82d"
integrity sha512-B/n4WPJ/goXALCWJYgZV0M/lLMIF5OuaqvxezJq/lcSCo9RuV82wmdJBZd+IEmc6Ykn/EYTFtUHCnRjkl56+3w==
dependencies:
"@validatem/allow-extra-properties" "^0.1.0"
"@validatem/anything" "^0.1.0"
@ -85,9 +85,9 @@
"@validatem/wrap-error" "^0.3.0"
"@promistream/propagate-abort@^0.1.2", "@promistream/propagate-abort@^0.1.3", "@promistream/propagate-abort@^0.1.6":
version "0.1.6"
resolved "https://registry.yarnpkg.com/@promistream/propagate-abort/-/propagate-abort-0.1.6.tgz#dfc3c78c2e22662b9e5d548afce2180c40584ef5"
integrity sha512-Ap4eDFiIcLb4yuJdin2tQM1+2ZJZm78sYWkKVdqECJY0UGkwNsbaMMeYyfZpFRpJGmW8mCCuOkWs0fQl5H9DGA==
version "0.1.7"
resolved "https://registry.yarnpkg.com/@promistream/propagate-abort/-/propagate-abort-0.1.7.tgz#06a5af16adb433ae27b25bb38b957b01619bf9e8"
integrity sha512-BR0XZMirAjO1IRpyTtOG4n0fGuuvRGJsO8Hmn4HOJXhi10onX3GlfCNZN2tqe4Mq/5fEDgRNGNUHjCY7naDYUA==
"@promistream/propagate-peek@^0.1.0", "@promistream/propagate-peek@^0.1.1":
version "0.1.1"
@ -119,9 +119,9 @@
bluebird "^3.5.4"
"@promistream/simple-sink@^0.2.0":
version "0.2.0"
resolved "https://registry.yarnpkg.com/@promistream/simple-sink/-/simple-sink-0.2.0.tgz#74cf5fadbd98dc3dd7b237f7816ea5a1fdc2147d"
integrity sha512-QEFpCoZRbTqVzicetUxImQQKgzJ2gfOxyFcAs/LudSxU7TXzsPkYKqLnXteNWk8UZ6gZkmCW80jLW7DfjqVnbQ==
version "0.2.1"
resolved "https://registry.yarnpkg.com/@promistream/simple-sink/-/simple-sink-0.2.1.tgz#bc3360dfe1a3bb687e68f7c8e43d598242e2b4ae"
integrity sha512-g0KXsofGw+a0+p9WaDbZfeU5KlkNt1x2HDbXw65ZDJ6ZjsMA2MkcwVws19EeyHZ0zIGbHD9F8qjFknTHdkUe9Q==
dependencies:
"@promistream/is-aborted" "^0.1.1"
"@promistream/is-end-of-stream" "^0.1.1"
@ -135,9 +135,9 @@
result-buffer "^0.1.0"
"@promistream/simple-source@^0.1.0", "@promistream/simple-source@^0.1.1":
version "0.1.3"
resolved "https://registry.yarnpkg.com/@promistream/simple-source/-/simple-source-0.1.3.tgz#8139ed088f8249eb9a93287fc04213008325cf06"
integrity sha512-rmpEW0Ec/9Ajrgnx0FHV+mYk4uZ+X3tRhACexUjeal6Jxgzp1oITES59+y2FZA86/a7VPCaadXBA6sWuRfcc3w==
version "0.1.4"
resolved "https://registry.yarnpkg.com/@promistream/simple-source/-/simple-source-0.1.4.tgz#a0029040660cd577e51eede1978b49b04b1e5ed0"
integrity sha512-dMAVpcX2WC40IVMA6zvSAcgwxXjDVj4QIQzOyDdXgOnKjCRnGPhtUvK2ST5Jiw8/lVpEYx0bviqgezttU3IaFg==
dependencies:
"@joepie91/unreachable" "^1.0.0"
"@promistream/aborted" "^0.1.1"
@ -445,7 +445,7 @@ bluebird@^3.5.4, bluebird@^3.7.2:
resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
call-bind@^1.0.0:
call-bind@^1.0.2:
version "1.0.2"
resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
integrity sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==
@ -487,9 +487,9 @@ create-error@^0.3.1:
integrity sha1-aYECRaYp5lRDK/BDdzYAA6U1GiM=
debug@^4.3.1:
version "4.3.1"
resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.1.tgz#f0d229c505e0c6d8c49ac553d1b13dc183f6b2ee"
integrity sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==
version "4.3.2"
resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.2.tgz#f0a49c18ac8779e31d4a0c6029dfb76873c7428b"
integrity sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==
dependencies:
ms "2.1.2"
@ -574,11 +574,18 @@ has-flag@^4.0.0:
resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-4.0.0.tgz#944771fd9c81c81265c4d6941860da06bb59479b"
integrity sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==
has-symbols@^1.0.1:
has-symbols@^1.0.1, has-symbols@^1.0.2:
version "1.0.2"
resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.2.tgz#165d3070c00309752a1236a479331e3ac56f1423"
integrity sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==
has-tostringtag@^1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/has-tostringtag/-/has-tostringtag-1.0.0.tgz#7e133818a7d394734f941e73c3d3f9291e658b25"
integrity sha512-kFjcSNhnlGV1kyoGk7OXKSawH5JOb/LzUc5w9B02hOTO0dfFRjbHQKvg1d6cf3HbeUmtU9VbbV3qzZ2Teh97WQ==
dependencies:
has-symbols "^1.0.2"
has@^1.0.3:
version "1.0.3"
resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
@ -592,23 +599,25 @@ indent-string@^4.0.0:
integrity sha512-EdDDZu4A2OyIK7Lr/2zG+w5jmbuk1DVBnEwREQvBzspBJkCEbRa8GxU1lghYcaGJCnRWibjDXlq779X1/y5xwg==
is-arguments@^1.0.4:
version "1.1.0"
resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.1.0.tgz#62353031dfbee07ceb34656a6bde59efecae8dd9"
integrity sha512-1Ij4lOMPl/xB5kBDn7I+b2ttPMKa8szhEIrXDuXQD/oe3HJLTLhqhgGspwgyGd6MOywBUqVvYicF72lkgDnIHg==
version "1.1.1"
resolved "https://registry.yarnpkg.com/is-arguments/-/is-arguments-1.1.1.tgz#15b3f88fda01f2a97fec84ca761a560f123efa9b"
integrity sha512-8Q7EARjzEnKpt/PCD7e1cgUS0a6X8u5tdSiMqXhojOdoV9TsMsiO+9VLC5vAmO8N7/GmXn7yjR8qnA6bVAEzfA==
dependencies:
call-bind "^1.0.0"
call-bind "^1.0.2"
has-tostringtag "^1.0.0"
is-boolean-object@^1.0.1:
version "1.1.0"
resolved "https://registry.yarnpkg.com/is-boolean-object/-/is-boolean-object-1.1.0.tgz#e2aaad3a3a8fca34c28f6eee135b156ed2587ff0"
integrity sha512-a7Uprx8UtD+HWdyYwnD1+ExtTgqQtD2k/1yJgtXP6wnMm8byhkoTZRl+95LLThpzNZJ5aEvi46cdH+ayMFRwmA==
version "1.1.2"
resolved "https://registry.yarnpkg.com/is-boolean-object/-/is-boolean-object-1.1.2.tgz#5c6dc200246dd9321ae4b885a114bb1f75f63719"
integrity sha512-gDYaKHJmnj4aWxyj6YHyXVpdQawtVLHU5cb+eztPGczf6cjuTdwve5ZIEfgXqH4e57An1D1AKf8CZ3kYrQRqYA==
dependencies:
call-bind "^1.0.0"
call-bind "^1.0.2"
has-tostringtag "^1.0.0"
is-callable@^1.1.5:
version "1.2.3"
resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.3.tgz#8b1e0500b73a1d76c70487636f368e519de8db8e"
integrity sha512-J1DcMe8UYTBSrKezuIUTUwjXsho29693unXM2YhJUTR2txK/eG47bvNa/wipPFmZFgr/N6f1GA66dv0mEyTIyQ==
version "1.2.4"
resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.4.tgz#47301d58dd0259407865547853df6d61fe471945"
integrity sha512-nsuwtxZfMX67Oryl9LCQ+upnC0Z0BgpwntpS89m1H/TLF0zNfzfLMV/9Wa/6MZsj0acpEjAO0KF1xT6ZdLl95w==
is-plain-obj@^2.1.0:
version "2.1.0"
@ -621,9 +630,11 @@ is-regexp@^2.0.0:
integrity sha512-OZ4IlER3zmRIoB9AqNhEggVxqIH4ofDns5nRrPS6yQxXE1TPCUpFznBfRQmQa8uC+pXqjMnukiJBxCisIxiLGA==
is-string@^1.0.5:
version "1.0.5"
resolved "https://registry.yarnpkg.com/is-string/-/is-string-1.0.5.tgz#40493ed198ef3ff477b8c7f92f644ec82a5cd3a6"
integrity sha512-buY6VNRjhQMiF1qWDouloZlQbRhDPCebwxSjxMjxgemYT46YMd2NR0/H+fBhEfWX4A/w9TBJ+ol+okqJKFE6vQ==
version "1.0.7"
resolved "https://registry.yarnpkg.com/is-string/-/is-string-1.0.7.tgz#0dd12bf2006f255bb58f695110eff7491eebc0fd"
integrity sha512-tE2UXzivje6ofPW7l23cjDOMa09gb7xlAqG6jG5ej6uPV32TlWP3NKPigtaGeHNu9fohccRYvIiZMfOOnOYUtg==
dependencies:
has-tostringtag "^1.0.0"
is.object@^1.0.0:
version "1.0.0"

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