Is it possible to automatically access the most recent Beta build through package.json and npm?

We are currently working on a project that has a specific dependency requirement for the latest beta build from an npm library. However, there are also -dev builds within the library.

For instance, in the "x-library" there might be versions like:

"1.2.3-dev.294   // released today
"1.2.3-beta.123" // <--- preferred version released yesterday
"1.2.3-dev.293"  // released a week ago
"1.2.3-beta.122" // released a month ago

Is there a way to automatically fetch and use the latest 'beta' build in the package.json file, like this:

devDependencies: {
  ...
  "x-library": "latest-beta"  // just for clarity
}
javascriptnpmnpm-installpackage.json

Answer №1

It seems like the functionality you're looking for is not currently supported by npm. Using regex to define your dependency version is also not an option at the moment.

If you want to find a workaround, you could create a bash script named update-and-install.sh and include these steps:

  • Retrieve JSON containing all available versions using 

    npm show my-package versions --json

  • Filter the JSON to only get beta versions

  • Utilize the package semver-parser along with its compareSemVer method to identify the latest beta version

  • Use sed to modify your package.json file and set the dependency to the desired version

  • Execute npm install

If this information proves useful, you can give it a try as a potential solution for your project needs. Best of luck!

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