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- #Npm install a specific version how to#
- #Npm install a specific version Patch#
- #Npm install a specific version upgrade#
- #Npm install a specific version software#
This is why some packages don't show updates even though newer packages are available. "npm outdated" will show which packages can be updated according to your package.json version rules. If you're looking to play it safe and stay as backwards compatible as possible, these are the commands to use. They take a safe route to updating and follow the version rules outlined above. NPM has a couple of built in CLI commands to work with the packages in your solution. Keep it in source control, make a local copy somewhere else, etc. This is important! Know that you can restore your package.json file in the event that you make some changes that you need to back out. For more advanced syntax and special edge cases you can consult the official NPM version documentation. This covers the basic syntax, and under normal use these are all you should run across when making use of NPM in a typical project.
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"1.0.0-alpha.1" would only allow installations of that specific version.
#Npm install a specific version upgrade#
These are treated as part of the 1.0.0 version range so "~1.0.0-alpha.1" could upgrade to anything in the 1.0.X range and "^1.0.0-alpha.1" could upgrade to anything in the 1.X.X range.
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This could be specified as 1.0.0-alpha.1, 1.0.0-alpha.2, etc. A version of ^0.0.1 will only allow 0.0.1.įinally, prerelease tags are also sometimes used when releasing an alpha or beta version of a package.
#Npm install a specific version Patch#
A version of ^0.1.1 will allow that version and any higher patch versions in 0.1.X. There is some special treatment for packages with major versions less than 1 because revisions to these packages are assumed to have a lot of breaking changes. * *, x, or X are used as wildcards in specifying versions. * This version and any higher minor and patch revisions in the 2.1.X version range can be installed. * This version and any higher patch revisions in the 2.22.X version range can be installed. * This version and this version only should be installed. The four main types of versions you'll likely come across are strict versions, tilde (~) versions, carat (^) versions, and wildcards. You can mostly treat this as a hands off file and let NPM and other tools manage it for you, but it can also help to understand the syntax so you can understand what is going on-and why-when performing upgrades with the various tooling. It includes version information to determine which versions of a package are compatible with your project. NPM stores dependency information in a package.json file for each project. More information can be found at the official semver web page. In any case, semver uses the following basic format: I say "idea" because not all package maintainers follow these rules closely or correctly, sometimes mistakes are made, and sometimes the rules must be broken. The idea behind semver is that all packages in the registry will follow the same versioning rules so that users can reason about what is included in each new package version that gets released. NPM uses what's called semantic versioning, or semver.
#Npm install a specific version how to#
The first step to understanding how to properly manage package upgrades is to understand how they are versioned. Here is a collection of tips for managing these dependencies throughout an application lifecycle and for eliminating some of the hassle involved in working with a project's NPM packages.
#Npm install a specific version software#
However, as a software solution ages it can be difficult to keep NPM dependencies up to date and consistent across all development and build environments. Node Package Manager (NPM) is a great tool that brings order to the world of open source JavaScript software, and its CLI is an excellent extension to our software development toolset.
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