json-prism/lib/core/virtual/Sentient.js

Immutable Prisms, i.e. Taking a Multifoci Json Path to Immutability, or A sentient item has some ability to communicate, either by sharing its emotions, broadcasting its thoughts telepathically, or speaking aloud.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));

var _require = require('rxjs'),
    BehaviorSubject = _require.BehaviorSubject,
    ReplaySubject = _require.ReplaySubject,
    Subject = _require.Subject;

var _require2 = require('json-atom'),
    get = _require2.get,
    set = _require2.set,
    apply = _require2.apply;

var _require3 = require('../../utils/trace'),
    show = _require3.show,
    aLine = _require3.aLine;

var _require4 = require('./version/generator'),
    incrementalVersioner = _require4.incrementalVersioner;

var uuidV4 = require('uuid/v4');

var Writer = function Writer(subject) {
  var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
      _ref$labels = _ref.labels,
      labels = _ref$labels === void 0 ? [uuidV4()] : _ref$labels;

  var startValue = {
    type: 'SnapShot',
    payload: subject.value
  };
  var ___init___ = true;
  var versionBy = incrementalVersioner(); //@TODO: injectable versionProvider, otherwise every Writer is versioned independently

  var versionNext = function versionNext() {
    var _versionBy$next = versionBy.next(),
        done = _versionBy$next.done,
        value = _versionBy$next.value;

    if (done) throw new Error('Version Generator Completed. Can not get next version value.');
    return value;
  };

  var _new = function _new(stream$) {
    return {
      gets: function gets(url) {
        show('<', url, stream$.value.value);
        return get(url)(stream$.value.value);
      },
      sets: function sets(url) {
        return function (value) {
          show(">* ".concat(url, " current:"), stream$.value.value); // LOoOK_OvEr_hErE @TODO: NOTICE HOW THE SHADES.SET FOUND MY get(), THAT'S A PORTAL BACK INTO SHADES,
          // RENAMING to gets/sets changed the behavior

          var newValue = set(url)(value)(stream$.value.value);
          show('newValue:', (0, _typeof2["default"])(newValue), newValue); // new values are all assumed to be JSON compliant documents, meaning, the root gotta be a tree, end of discussion.

          var newWriter = Object.assign(new newValue.constructor(), {
            value: newValue,
            path: url,
            action: 'set',
            version: versionNext(),
            // @TODO a hashing-versioner can get the newValue passed into versionNext() to help version by digests and md5 hashes
            labels: labels
          }, _new(stream$));
          stream$.next(newWriter);
          return newWriter;
        };
      }
    };
  };

  return _new(subject);
};

module.exports = {
  Writer: Writer
}; // const journal = new BehaviorSubject({});
// journal.subscribe(entry => show('+JournalEntry', ++clicks, entry, entry.gets ? entry.gets('$.hello') : 'NO .gets'));
// show('JOURNAL-VALUE:', journal.value);
// show(Writer(journal).gets('$.hello'));
// show(get('$.hello')(journal.value));
// const returns = Writer(journal).sets('$.hello')('RP');
// show({returns});
// show('JOURNAL-VALUE:', journal.value);
// show(Writer(journal).gets('$.hello'));
// show(get('$.hello')(journal.value));
// show('JOURNAL-VALUE:', journal.value);
// show(aLine(100));
// show(aLine(100));
// show(Writer(journal)
// .sets('$.bye')('Bad Code')
// // .get('bye')
// );
// show('JOURNAL-VALUE:', journal.value);
// journal.value.sets('$.journaledPost')({"timestamp":"2019-05-17T18:11:29.344Z","author":"Shady Dawood"});
//
// const atom = journal.value;
// show(atom.gets('$.hello'));
// show(atom.gets('$.bye'));
// show(atom.gets('$.journaledPost'));
// show('JOURNAL-VALUE:', journal.value);
// show(atom.sets('$.hello')('New World'));
// show(atom.sets('$.bye')('Old World'));
// show(atom.sets('$.journaledPost')({"timestamp":"2019-05-17T18:14:50.344Z","author":"Shady Dawood"}));
// show('JOURNAL-VALUE:', journal.value);
// show(atom.gets('$.hello'));
// show(atom.gets('$.bye'));
// show(atom.gets('$.journaledPost'));
// show('JOURNAL-VALUE:', journal.value);
//