zlib.js | compact zlib , deflate , inflate , zip library in JavaScript | Compression library
kandi X-RAY | zlib.js Summary
kandi X-RAY | zlib.js Summary
zlib.js は ZLIB(RFC1950), DEFLATE(RFC1951), GZIP(RFC1952), PKZIP の JavaScript 実装です。. ブラウザでは Karma, Node.js では mocha を使ってテストを行います。.
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Trending Discussions on zlib.js
QUESTION
In JavaScript project, I want to decompress an object compressed by zlib(Zopfli.js) and I'm trying it with pako.min.js.
However, the example at the official site of pako uses require
function which does not exist in JavaScript. Maybe Node.js
has this but I'm afraid it would take a lot of time and pains to combine this JavaScript project with Node.js
, because I know nothing about Node.js
.
Is it any way to get through with this, or another way to decompress the object?
Any information would be appreciated.
What I've already triedI've already tried zlib.js library for decomressing, but the result is catching the error below which I couldn't find any solution:
...ANSWER
Answered 2021-Apr-11 at 08:54You may use pako.js from here for client side javascript and import it as -
QUESTION
Currently i'm implementing a webhook which states that the request sent to the configured endpoint will be gzipped, and i'm experiencing a weird bug with that.
I created a middleware to handle de gunzip of the request data:
...ANSWER
Answered 2020-Sep-11 at 22:29I just got an answer from the Azure team, they recommend me to set a proxy inside proxies.json
as a workaround, so if anyone is having the same issue you can just set a new proxy to override the Content-Type
.
In my case i was always expecting a gzipped json, so maybe if you don't know beforehand which type is this wouldn't work for you.
QUESTION
In my server(CentOS 7.2) I install the dependencies:
...ANSWER
Answered 2018-Feb-12 at 07:53As suggested in npm GitHub
Node 8.9.0+ (and 9+) fix an issue where streams are terminated early in some scenarios. If you're getting this error upgrade to 8.9.
So you can just try to update your node and npm
QUESTION
I have created a zip file of a .txt file using node.js zlib and while trying to unzip the file i used the same node_module zlib but its throwing error.Please check my code snippet and please feel free to edit code.I also checked the file location its same as the
Error :
Error: unexpected end of file at Unzip.zlibOnError (zlib.js:153:15)
Code :
...ANSWER
Answered 2020-Mar-10 at 13:38I was getting an error because the file got corrupted while trying the zip-unzip. There was no error in the code. So after deleting and recreating zip file, i was able to unzip it.
Note:
Whenever you try something like this,if you get such error, then always check file size it should not be zero. If it is zero,then recreate the zip and try again.
QUESTION
I'm trying to write compress and decompress a JSON string, but the decompression always fails with:
...ANSWER
Answered 2019-Dec-03 at 10:21I think you'll have to use base64 for sending data over the wire in any case, this will result is a size penalty of ~37%. This might actually be more efficient than sending UTF8 since many of the bytes will require a multi-byte encoding (when sending binary data).
In any case, compression and decompression work when we pass our compressed data as base64.
I believe the reason it was not working with UTF8 is that converting a buffer to utf8 and back again is not always reversible, that is you don't necessarily get the same result back (try encoding random data to utf8 and back again!)
QUESTION
ANSWER
Answered 2019-Apr-04 at 10:10I found the answer.
Angular isn't showing an error when compiling but shows an error in the browser. It's because the browser doesn't have 'node' libraries integrated so it can't start the 'zlib' library. Installing the 'zlib' library in 'node_modules' doesn't help since it's deprecated.
Using the 'browserify-zlib' library and changing the ...require('browserify-zlib') in all my dependencies has fixed the issue.
QUESTION
Browse Files, Upload and GZIP compression all work fine, but the GZIP'ed NewFile
is ignored and the original file[i] is sent.
Instead of passing the file[i] object to Upload()
, I create a new File object
with the GZIP'ed data which is then passed to Upload()
, that's the "<<< HERE <<<" comment below in the code:
ANSWER
Answered 2019-Aug-03 at 07:31readAsText(file)
:
Output:
- before read: EMPTY
- after read : LOADING
- onloadend : DONE <<<<<<
onload[END]
QUESTION
I want to send compressed data (gzip) to some URL that will trigger a (proxy) lambda function, that will decompress the data.
The lambda function (NodeJS 8):
...ANSWER
Answered 2019-Apr-10 at 12:091/ First you need to build your gzip correctly, ensure that gzip file header is not present : curl command a gzipped POST body to an apache server
Wrong way :
QUESTION
I'm trying to install Sunbird on my laptop by referring document.
But getting error on npm install
step
gyp WARN install got an error, rolling back install gyp ERR! configure error gyp ERR! stack Error: unexpected end of file gyp ERR! stack at Zlib.zlibOnError [as onerror] (zlib.js:134:17) gyp ERR! System Linux 4.13.0-37-generic gyp ERR! command "/usr/local/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild" "--release" gyp ERR! cwd /home/ttpllt23/GIT/snd-setup/sunbird-portal/src/node_modules/fibers gyp ERR! node -v v9.3.0 gyp ERR! node-gyp -v v3.6.2 gyp ERR! not ok node-gyp exited with code:
And
npm ERR! file sh npm ERR! code ELIFECYCLE npm ERR! errno ENOENT npm ERR! syscall spawn npm ERR! fibers@1.0.15 install:
node build.js || nodejs build.jsnpm ERR! spawn ENOENT npm ERR! npm ERR! Failed at the fibers@1.0.15 install script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
I'm using ubuntu v16.04 node v9.3.0
...ANSWER
Answered 2018-Mar-28 at 13:36There was an issue with node version. It should be 6.x.x only
QUESTION
I have made an online multiplayer game where the backend is nodejs, and sometimes when people test it, they spam bullets or use a script to create lots of players, I get an error. I have limits for this, so there can only be 500 bullets and 20 players in the game, and they all disappear eventually, but even when it doesn't let people create too many bullets/players, when they try to, I get this error:
...ANSWER
Answered 2019-Mar-15 at 17:47We have had the same issue within same time frame. We did a full look through our dependencies for all uses of the core node library zlib... and found that the only one that changed in our dep list since seeing issue was the "ws" node module. This a dependency of engine.io, which in turn is a dependency of socket.io. https://github.com/socketio/engine.io/pull/564/commits/6a47059eb8164cdf4c6537a7fef6829c90a398f7 ^ boom, engine.io bumped ws up 3 major versions and only released a minor version. So you picked this up if you bumped from socket.io 2.1.1 -> 2.2.0. That is because in between those versions they bumped their engine.io dep to point to the latest minor version: https://github.com/socketio/socket.io/commit/190d22b46e3c2ed18413458a2106322f8bac99f5
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