hex-package-demo.exs

defmodule PackageTest do
  def main() do
    Hex.start()

    [package, _] = System.argv()

    package(nil, package)
    |> :json.encode()
    |> IO.iodata_to_binary()
    |> IO.puts()
  end

  defp package(organization, package) do
    auth = organization && Mix.Tasks.Hex.auth_info(:read)

    case Hex.API.Package.get(organization, package, auth) do
      {:ok, {code, body, _}} when code in 200..299 ->
        body

      {:ok, {404, _, _}} ->
        Hex.Shell.error("No package with name #{package}")
        Mix.Tasks.Hex.set_exit_code(1)

      other ->
        Hex.Shell.error("Failed to retrieve package information")
        Hex.Utils.print_error_result(other)
        Mix.Tasks.Hex.set_exit_code(1)
    end
  end
end

PackageTest.main()

# `mix run hex-package-demo.exs jason --no-mix-exs`

response.json

{
  "configs": {
    "erlang.mk": "dep_jason = hex 1.4.1",
    "mix.exs": "{:jason, \"~> 1.4\"}",
    "rebar.config": "{jason, \"1.4.1\"}"
  },
  "docs_html_url": "https://hexdocs.pm/jason/",
  "downloads": { "all": 159921943, "day": 70521, "recent": 5040609, "week": 378615 },
  "html_url": "https://hex.pm/packages/jason",
  "inserted_at": "2017-12-22T09:32:40Z",
  "latest_stable_version": "1.4.1",
  "latest_version": "1.5.0-alpha.2",
  "meta": {
    "description": "A blazing fast JSON parser and generator in pure Elixir.",
    "licenses": ["Apache-2.0"],
    "links": { "GitHub": "https://github.com/michalmuskala/jason" },
    "maintainers": []
  },
  "name": "jason",
  "owners": [
    {
      "email": "michal@muskala.eu",
      "url": "https://hex.pm/api/users/michalmuskala",
      "username": "michalmuskala"
    }
  ],
  "releases": [
    {
      "has_docs": true,
      "inserted_at": "2023-07-07T10:11:17Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.5.0-alpha.2",
      "version": "1.5.0-alpha.2"
    },
    {
      "has_docs": true,
      "inserted_at": "2022-10-16T20:11:41Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.5.0-alpha.1",
      "version": "1.5.0-alpha.1"
    },
    {
      "has_docs": true,
      "inserted_at": "2023-07-07T09:28:26Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.4.1",
      "version": "1.4.1"
    },
    {
      "has_docs": true,
      "inserted_at": "2022-09-12T19:53:18Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.4.0",
      "version": "1.4.0"
    },
    {
      "has_docs": true,
      "inserted_at": "2021-12-21T14:22:24Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.3.0",
      "version": "1.3.0"
    },
    {
      "has_docs": true,
      "inserted_at": "2020-09-08T20:01:45Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.2.2",
      "version": "1.2.2"
    },
    {
      "has_docs": true,
      "inserted_at": "2020-05-04T19:46:36Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.2.1",
      "version": "1.2.1"
    },
    {
      "has_docs": true,
      "inserted_at": "2020-03-17T21:22:55Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.2.0",
      "version": "1.2.0"
    },
    {
      "has_docs": true,
      "inserted_at": "2018-10-19T18:01:19Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.1.2",
      "version": "1.1.2"
    },
    {
      "has_docs": true,
      "inserted_at": "2018-07-10T20:14:17Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.1.1",
      "version": "1.1.1"
    },
    {
      "has_docs": true,
      "inserted_at": "2018-07-02T18:18:58Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.1.0",
      "version": "1.1.0"
    },
    {
      "has_docs": true,
      "inserted_at": "2018-07-02T10:08:56Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.0.1",
      "version": "1.0.1"
    },
    {
      "has_docs": true,
      "inserted_at": "2018-01-26T09:58:27Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.0.0",
      "version": "1.0.0"
    },
    {
      "has_docs": true,
      "inserted_at": "2018-01-26T09:40:44Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.0.0-rc.3",
      "version": "1.0.0-rc.3"
    },
    {
      "has_docs": true,
      "inserted_at": "2018-01-07T10:14:28Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.0.0-rc.2",
      "version": "1.0.0-rc.2"
    },
    {
      "has_docs": true,
      "inserted_at": "2017-12-22T09:32:40Z",
      "url": "https://hex.pm/api/packages/jason/releases/1.0.0-rc.1",
      "version": "1.0.0-rc.1"
    }
  ],
  "repository": "hexpm",
  "retirements": {},
  "updated_at": "2023-07-07T10:11:20Z",
  "url": "https://hex.pm/api/packages/jason"
}