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You're free to use this package it's MIT-licensedbut if it makes it to your production environment you are required to send us a postcard from your hometown, mentioning which of our package s you are using. If you discover any security related issues, please email freek spatie. Spatie is a webdesign agency in Antwerp, Belgium. You'll find an overview of all our open source projects on our website.
Please see License File for more information. Git github. This can be useful when developing modules. Postcardware You're free to use this package it's MIT-licensedbut if it makes it to your production environment you are required to send us a postcard from your hometown, mentioning which of our package s you are using. The best postcards will get published on the open source page on our website. Keywords npm peerdependencies peers peerdeps.
Install npm i npm-install-peers Downloads Weekly Downloads 3, Version 1. License MIT. Homepage github. Repository Git github. Last publish 2 years ago. Try on RunKit. Report a vulnerability.Starting with NPM v3. The install-peerdeps tool makes the process fast and easy. It's true that on Linux you can run something like this to automatically install peerDeps taken from AirBnb's eslint config repo :. However, the above solution is hard to remember, and doesn't work on Windows. This tool aims to solve both of these problems.
Only core Yarn and NPM arguments relating to package installation are officially provided by install-peerdeps. However, if you'd like to pass through additional arguments, you may do so with --extra-args. Here's how you'd install a package into a Yarn-workspace-enabled repository:. Here's what you'd do to install them all:. If you are, it'll prompt you as to whether you want to use Yarn or npm to install the packages.
If you'd like to install a different version of a package than the latest the defaultsimply specify the version like so:. The tool will automatically install the version corresponding to the tag, as well as its peer dependencies:. To install a private npm package either from npm or from a registry that uses an authorization headeruse the auth option:.
Under the hood, this package uses the request module to get package information from the registry and it spawns an NPM or Yarn child process for the actual installation. Nonetheless, proxy support is a new addition to this tool added in v1. Git github. Need private packages and team management tools? Disclaimer: Airbnb is not affiliated with, and does not endorse, this CLI tool A command-line interface to install an NPM package and its peer dependencies automatically. Also works with Yarn.
Here's what you'd do to install them all: install-peerdeps eslint-config-airbnb --dev install-peerdeps will automatically detect whether you're using Yarn. Keywords install peerdeps automatically yarn npm airbnb eslint. Install npm i install-peerdeps Downloads Weekly Downloads 9, Version 2. License MIT. Unpacked Size kB. Total Files Homepage github. Repository Git github. Last publish 4 months ago. Try on RunKit. Report a vulnerability.It has to do with npm link and peer dependencies.
Before I talk about the issue let me briefly explain what both of those things are for the uninitiated. Npm contains a command called link that is extremely convenient for developing modules you intend to use in other projects and testing them within those projects. Say you have a project called Foo and Foo depends on a module you're building called Bar.
To do this you simply navigate to Bar's directory on your machine and run npm link by itself. Global CLI modules aren't the only things this is useful for though. You can then navigate to Foo's directory and run npm link Bar. After that you can happily develop on Bar where you normally do your work and Foo will see the changes right away without you having to copy anything.
You probably know about dependencies and dev dependencies in package. Peer dependencies can be added to your package's package. The difference here is that npm will not try to install these. Instead you are telling node that this module expects to be installed side by side alongside another module in a parent project. To demonstrate let's go back to our Foo example which depends on a module called Bar. Now let's say that Foo also depends on another module you're developing called Baz. Finally, let's say Bar also depends on Baz.
In the Foo project we require Baz and setup a bunch of configuration for it. Bar also depends on Baz but we don't want to have to setup configuration for Baz all over again when we require it from Bar so we need the module to be the same instance of the module that was required by Foo. Utilizing peer dependencies helps us solve this situation. By listing Baz as a peer dependency in Bar's package. Foo in our example case. This peer dependency functionality is very useful for plugin system architectures.
For instance Gulp is a module for creating build tasks. There are lots of plugins for Gulp that have been published to the npm registry. Most Gulp plugin modules list Gulp as a peer dependency in their package. Now that you know about npm link and peer dependencies, what do you suppose happens project Foo tries to npm link Bar who has a peer dependency on Baz? The link seems to work fine until you try to run Foo.
Foo will successfully require both Bar and Baz dependencies like normal, but when it gets to the line in Bar where it tries to require Baz your program will crash and tell you that it was unable to find module Baz. When node tries to walk the directory tree and find Baz it will fail to find it because it's only walking the directory tree for Bar wherever it is actually located on your machine.
Node can't find the peer module because it doesn't keep track of the fact that it required Bar via a symlink and that any requires from Bar should travel back to the directory on the other end of the symlink. This has caused us issues at work because we are in this exact situation.
Since we actually copied the files there it has no problem walking the directory tree to require peer dependencies.Node JS Tutorial for Beginners #21 - The uxw.gumerglencoe.pw File
It works fine doing it this way but it's a huge pain sometimes. This blows away the modifications I made to the module in question and overwrites it with the module from the registry. If only npm link worked with peer dependencies properly. A fix was proposed in the node repository and a PR was submitted. It was about to make it into node v6 when suddenly a comment battle on the pull request broke out because apparently fixing this quirk of node broke a bunch of 3rd party module loaders taking advantage of some edge case caused by this bug.
If you ask me I would say it should up to the 3rd party module loaders to adapt to these changes, but I digress.In some cases, you want to express the compatibility of your package with a host tool or library, while not necessarily doing a require of this host.
This is usually referred to as a plugin. Notably, your module may be exposing a specific interface, expected and specified by the host documentation.
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This ensures your package tea-latte can be installed along with the second major version of the host package tea only. NOTE: npm versions 1 and 2 will automatically install peerDependencies if they are not explicitly depended upon higher in the dependency tree.
In the next major version of npm npm 3this will no longer be the case. You will receive a warning that the peerDependency is not installed instead. Trying to install another plugin with a conflicting requirement will cause an error. For this reason, make sure your plugin requirement is as broad as possible, and not to lock it down to specific patch versions.
Assuming the host complies with semveronly changes in the host package's major version will break your plugin. Thus, if you've worked with every 1. If you depend on features introduced in 1.
The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Should I install them manually? It does not seem very cool Actually, I installed Angularbut Angular needs compiler-clr and the latest needs typescript. When I saw this warning, I installed npm install typescript it installed me the version typescript 3. Should I analyse what version of typescript were out before 3.
Check out this StackOverflow question for full info on the difference between peerDependencies and dependencies. If you still have any questions or if you don't understand a thing, please comment with your queries on this answer.
I'll try to help by responding as soon as possible. Hope this answer helps. Learn more. Should I install all the peer-dependencies manually to remove npm warnings? Ask Question. Asked 1 year, 1 month ago. Active 1 year, 1 month ago. Viewed 7k times. You must install peer dependencies yourself.
Serge Serge 6, 11 11 gold badges 65 65 silver badges bronze badges. You could always install a specific version of typescript e. Sustain, I don't know what version to install.
You can finally "npm link" packages that contain peer dependencies!
The dark mode beta is finally here. Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Is there a magic flag that I can pass to npm that will install the peer dependencies as well?
I haven't been able to find one It's tedious to manually copy and paste the peer dependencies and make sure I have the correct versions. The automatic install of peer dependencies was explicitly removed with npm 3, as it cause more problems than it tried to solve. You can read about it here for example:. The project npm-install-peers will detect peers and install them. As of v1. I experienced these errors when I was developing an npm package that had peerDependencies.
I had to ensure that any peerDependencies were also listed as devDependencies. The project would not automatically use the globally installed packages. Learn more. How to install npm peer dependencies automatically?
Ask Question. Asked 4 years, 2 months ago. Active 4 months ago. Viewed k times. For example, when I install Angular2: npm install --save angular2 temp 1. In other words, I'd rather not have to do: npm install --save angular2 2.
Douglas Ludlow Douglas Ludlow 9, 5 5 gold badges 26 26 silver badges 51 51 bronze badges. Have you already solved that problem? I have the same issue installing angular2. You don't want to install them globally with the -g flag. You want to install them locally -S flagbut as I said, they need to be the exact versions ie: angular2 2. DouglasLudlow what version of NPM are you using?
I have the same issue, and I havn't found solution yield Active Oldest Votes. Yeah, I saw this: github. I was just hoping that you could still optionally install them with a flag or something. Guess I'll have to open an issue or something. How do you deal with this sort of problem? I'm not an npm expert so when I read "x requires a peer of y but none was found", I ask myself, "which peer?
Do you dig into the code of x and y until you find out what's missing?GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Let me take angular2 package as example I know it's not final, but it's good for demonstrating the current issue.
Arguably at least some of these are rightfully peer dependencies In the sense that they need to be top-level dependencies to be used by consuming project, in other words, flat dependencies. Of course when I install it I get the messages about missing peer dependencies. I have read about this in and that's alright.
Is it possible to add a flag to npm install command that installs peer dependencies as well? Seems like a good idea to me.
I actually really like the idea of peerDependencies and npm 3 was a nice improvement to how they work. But it would definitely be nice to have a flag to say "install and save the latest of any missing peerDependencies.
I think it's probably safe to assume that if you install the package in devDependenciesyou could put it's peers into devDependencies also and similarly with dependencies.
Any peer dependency for a package, would be itself a dependency of the consumer of that package, so would be saved in dependencies if saving is asked. I'd call for putting as little magic into it, and making it explicit. Going with that, I think using devDependencies when asked to --save-dev is absolutely correct.
Thanks for the discussion! The team spent a while discussing this, and while we agree that something like this would be useful, the CLI team isn't going to have the time to work on it in the next months, so I'm going to close this feature request.
However, this seems like it might be useful enough that if somebody wanted to put it together as a patch, we'd be happy to land it. We even have some thoughts about what it might look like! It would also be pretty easy to create a small wrapper script to migrate packages as a one-off, and that wouldn't require any changes to npm at all.
In any case, if you want to work on this, please do, and feel free to ask us questions or to open a pull request pretty early in the process if you want more support from the team. Our time is limited, but we have lots of it for the community! The CLI team is going to have the wherewithal to get to maybe in the next year.
What are peer dependencies in a Node module?
The CLI team's current policy is to leave open only those feature requests we intend to ship, so that it's clearer to users what the team is actually working on, and is planning to work on soon. We put patch-welcome on closed feature requests where we'd be happy to land community contributions, but have no plans to work on those features ourselves.
If anyone comes across this, I wrote a cli program to do this as well:. It works cross-platform and with both Yarn and NPM - if you have any problems with it feel free to open an issue on the repo! Skip to content. This repository has been archived by the owner. It is now read-only. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.
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