logseq/deps/db/script/dump_datoms.cljs

  (ns dump-datoms
    "A script that dumps all eavt datoms to a specified edn file

     $ yarn -s nbb-logseq script/dump_datoms.cljs db-name datoms.edn"
    (:require ["fs" :as fs]
              ["path" :as node-path]
              [clojure.pprint :as pprint]
              [datascript.core :as d]
              [logseq.db.common.sqlite-cli :as sqlite-cli]
              [nbb.core :as nbb]))

(defn -main [args]
  (when (< (count args) 2)
    (println "Usage: $0 GRAPH FILE")
    (js/process.exit 1))
  (let [[graph-name file*] args
        conn (apply sqlite-cli/open-db! (sqlite-cli/->open-db-args graph-name))
        datoms (mapv #(vec %) (d/datoms @conn :eavt))
        parent-dir (or js/process.env.ORIGINAL_PWD ".")
        file (node-path/join parent-dir file*)]
    (println "Writing" (count datoms) "datoms to" file)
    (fs/writeFileSync file (with-out-str (pprint/pprint datoms)))))

(when (= nbb/*file* (nbb/invoked-file))
  (-main *command-line-args*))