Retrieve the package.json file for a specific package by making an HTTP request to public repositories

I’ve been searching online but haven’t found a satisfying answer to my question yet.

My main objective is to generate a dependency tree for a particular npmjs library of a specific version, like retrieving the dependency tree for the angular library version 1.5.3.

Instead of relying on server-side execution with npm or using JavaScript libraries, I prefer utilizing HTTP requests as much as possible.

Here's what I have discovered so far:

  1. You can fetch all metadata for a specific package and view available versions by querying http://registry.npmjs.org/package-name, such as http://registry.npmjs.org/angular
  2. To obtain metadata for a specific package version, you can access http://registry.npmjs.org/package-name/package-version. For example, http://registry.npmjs.org/angular/1.5.3

However, I’m having trouble figuring out how to retrieve the package.json for a specific library at a certain version since http://registry.npmjs.org/angular/1.5.3/package.json doesn’t seem to provide any useful information.

Any help or insights would be greatly appreciated!

javascriptnpmrepository

Answer №1

Upon further investigation, it appears that the list of dependencies is actually stored within the metadata file for the entire package (accessible at http://registry.npmjs.org/package-name).

You can find this information under the 

versions -> [version-id] -> dependencies
, devDependencies, and optionalDependencies properties.

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