ipaddr.js | IP address manipulation library in JavaScript | TCP library
kandi X-RAY | ipaddr.js Summary
kandi X-RAY | ipaddr.js Summary
ipaddr.js is a small (1.9K minified and gzipped) library for manipulating IP addresses in JavaScript environments. It runs on both CommonJS runtimes (e.g. nodejs) and in a web browser. ipaddr.js allows you to verify and parse string representation of an IP address, match it against a CIDR range or range list, determine if it falls into some reserved ranges (examples include loopback and private ranges), and convert between IPv4 and IPv4-mapped IPv6 addresses.
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Trending Discussions on ipaddr.js
QUESTION
"npm list" returns this, in which there are no "unmet"s. But when I restart my server, it errors out and the error logs show "Error: Cannot find module 'async/each'" and other similar errors. I have been going through and installing each unfound module individually, but that is very tedious. What should I be doing instead?
EDIT: Also, doing "npm prune" doesn't seem to do anything ("npm list" still gives a lot of ERR-extraneous type things.)
EDIT 2: It's not a very sophisticated server, it's just meant to serve an HTML file and connect to a MongoDB. So the basic dependencies are Express, Socket.io, and MongoDB.
...ANSWER
Answered 2020-Oct-08 at 19:27To solve this, I deleted the "node_modules" folder in my build folder, did "npm install [module] --save" for each of the packages found in require statements in my server.js file, wiped my server clean and resynced my build files to it, then did "npm install" on the server.
QUESTION
ANSWER
Answered 2020-Jul-21 at 21:57So in classic fashion, I've found the solution right after posting.
I removed "node": "^14.4.0"
from my package.json
and it successfully built.
QUESTION
I cannot use npm to do anything on my Windows 10 machine. I always get: npm ERR! Cannot read property 'resolve' of undefined.
I am using VSCode if that matters.
npm install npm -g
gives me the same message as does "npm i". I have uninstalled Node and reinstalled it twice and it doesn't help. I removed the node-modules directory in my only development directory. I have no other ideas. Please help
This is what the now complete log looks like:
...ANSWER
Answered 2019-Jun-23 at 03:12We do not have much information to work with (as the console output given by Node isn't very useful in this case), but it looks like NPM/Node messed something up while installing.
You stated that you've already tried to re-install Node. You should definitely also re-install NPM (This is a great tutorial to remove both completely: https://stackoverflow.com/a/20711410/10588376).
If you just forgot to mention that you also re-installed NPM and you already did it, I would recommend downgrading Node. You are running v12.4.0 which is the latest (not so stable) version of Node. You could download Node v10.16.0 (https://nodejs.org/en/), which is the LTS (Long Term Support) version of Node (LTS is the recommended version by Node).
As it seems downgrading solved the problem here: https://stackoverflow.com/a/56512076/10588376 (this is for Linux tho, but it could be worth a try on windows too)
QUESTION
https://www.youtube.com/watch?v=Fa4cRMaTDUI I am watching this lesson and trying to recreate everything author does. At 19:00 he sets vue.js-express.js project. He creates folder called 'server'. In 'server/' he runs 'npm init -f'. Then 'npm install --save nodemon eslint', then he inits eslint. Then in package.json file he writes:
...ANSWER
Answered 2018-Jul-04 at 09:02In a Mac I fixed it just changing the following line
Previous
"lint": ""lint": "./node_modules/.bin/eslint **/*.js""
After
"lint": "./node_modules/.bin/eslint src/*.js"
QUESTION
I am collecting URLs from visitors of my site that I then (on-demand) request from my backend. However, I have gotten stuck on the validation of the URL.
A URL is safe to request when:
- It is a valid URL
- It is unambiguous (in RFC 1918 terms, it is public)
What I have found so far:
- The URL interface (validates URLs)
- The ipaddr.js library (validates IPs)
- The is-valid-domain library (Looks to be broken, since it returns true for 256.256.256.256)
However, none of these seems to do what I need it to - not even a combination of them does.
Is there anything I have overlooked?
...ANSWER
Answered 2019-Feb-15 at 13:05I solved my own problem. I used:
- The URL interface for URL validation
- The hostname-is-private NPM module
First, I validate the input with new URL(input)
, and then I use require('hostname-is-private').isPrivate
(this is an async function) on that URL.hostname. This also works on IP addresses (even if the name does not suggest that).
The code looks something like this:
QUESTION
I'm having trouble understanding how to use a getter with a mongoose schema I'm using for an API. I'm using the ipaddr.js module for the ipaddr methods.
I have this field defined in my schema:
...ANSWER
Answered 2018-Nov-30 at 05:36The getter function is passed the current field value, so you don't need to pull it out of this
, and you can avoid the recursion:
QUESTION
I am trying to deploy my Express Node.Js app to Heroku, but am running into issues with OpenCV in the build phase. I am using opencv4nodejs.
I have the same issue with this thread at Heroku NodeJS app using OpenCV, and after also trying several different types of OpenCV Heroku buildpacks, and going through that answer's instructions, I still can't seem to get it to work.
Here is my package.json
:
ANSWER
Answered 2018-Jul-15 at 19:26After a lot of persistence, finally found the solution so answering my own question:
If your stack is heroku-16
, these are the Heroku buildpacks you want to add (in this particular order!):
QUESTION
I'm getting (0,redux.applymiddleware) error for my react-redux App
Here's my code for the store part :
...ANSWER
Answered 2018-Jul-03 at 04:23Apparently, it was a server issue! Everything else was fine
QUESTION
Below is the log when I deploy/push to Heroku. I'm very new to this and have tried extensive research on what could be the root error but alas, I must ask. I've had a running app on Heroku before, but I've made some changes locally and then deleted the Heroku app and decided to change the remote. Here is a link to my Github: https://github.com/tomtam6/tom-tam.git
...ANSWER
Answered 2018-Feb-01 at 01:15When you check out your heroku desktop, in the "overview" tab for your app, does it show that your last build succeeded or failed?
And when you check out the logs, does it show the app is up and running?
--edit based on comment discussion--
Add this to app.js, before module.exports = app;
const PORT = process.env.PORT || 8000; app.listen(PORT, () => { console.log(`App listening on port ${PORT}!`); });
QUESTION
In our database, IP address is stored as Binary(16), and it is a ipv6 On the client side I'm getting it as string, which is a hybrid of octal codes and printable ASCII characters. A byte in the range of printable ASCII characters (the range [0x20, 0x7e]) is represented by the corresponding ASCII character, with the exception of the backslash ('\'), which is escaped as '\'. All other byte values are represented by their corresponding octal values. For example, the bytes {97,92,98,99}, which in ASCII are {a,\,b,c}, are translated to text as 'a\bc'.
" \001\015\270\000\000\000\000\000\010\010\000\014Az\000"
The problem is I would like to show it like a human readable IPv6. I tried some libraries but they require a byte arrays as an input.
I think I can solve my problem by converting the hybrid octal to a byte array and then use https://www.npmjs.com/package/ipaddr.js to convert to IPv6.
The string above translate to byte array in decimal values as: [32, 1, 13, 184, 0, 0, 0, 0, 0, 8, 8, 0, 12, 65, 122, 0] the blank space is 32 ascii, A=65 and z=122
Im working in a function to parse the hybrid octal to byte array. I will share when ready.
...ANSWER
Answered 2017-Nov-03 at 20:50Check if IPv6
decoded first from Binary(16)
, looks like it store with inet6_pton() function but return without decoding it.
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