babashka/examples/portal.clj

#!/usr/bin/env bb

(ns portal
  (:require [babashka.deps :as deps]
            [cheshire.core :as json]
            [clj-yaml.core :as yaml]
            [clojure.data.xml :as xml]
            [clojure.edn :as edn]
            [clojure.string :as str]))

(deps/add-deps '{:deps {djblue/portal {:mvn/version "0.9.0"}}})

(require '[portal.api :as p])

(.addShutdownHook (Runtime/getRuntime)
                  (Thread. (fn [] (p/close))))


(def file (first *command-line-args*))
(when-not file
  (binding [*out* *err*]
    (println "Usage: portal.clj <file.(edn|json|xml|yaml)>"))
  (System/exit 1))

(defn xml->hiccup [xml]
  (if-let [t (:tag xml)]
    (let [elt [t]
          elt (if-let [attrs (:attr xml)]
                (conj elt attrs)
                elt)]
      (into elt (map xml->hiccup (:content xml))))
    xml))

(def extension (last (str/split file #"\.")))
(def contents (slurp file))
(def data  (case extension
             ("edn")
             (edn/read-string contents)
             ("json")
             (json/parse-string contents)
             ("yml" "yaml")
             (yaml/parse-string contents)
             ("xml")
             (-> (xml/parse-str contents
                                :skip-whitespace true
                                :namespace-aware false)
                 (xml->hiccup))))

(p/open)
(p/tap)

(tap> data)

@(promise)