beginnings.js

var objectForeach = require("object-foreach");

// list of keys to make the tree structure map
const store = {
  optimist: [],
  entities: {
    users: {}
  }
};

// const time = new Set();

// const entry = new Map([[]]);

// 7 slots that have 7 slots each and so on.

// new emitter to organize it
// "ok everyone bob got a new car, lets all acknowlege that"
// everyone stamps their values at that time
// emitter organizes the point in time we are viewing

// walker https://github.com/matthewkastor/object-walk

const LINK = Symbol("LINK");

class Value {
  constructor(trail, key, value) {
    this.trail = trail;
    this.key = key;
    this.value = [value];
    this.chain = this.create();
  }

  create() {
    const value = this.value[
      this.value.length - 1
    ];
    let localTrail = [];
    let chain = {};

    if (
      typeof value !== "object" ||
      Array.isArray(value) ||
      value == null
    ) {
      return {};
    }

    Object.keys(value).forEach(key => {
      localTrail.push(key);
      chain[localTrail.join(".")] = new Value(
        localTrail.slice(),
        key,
        value[key]
      );
    });

    return chain;
  }

  // not sure of this name
  // What if we were able to update a series of values at once.
  update(key, value) {
    this.value.push(value);
  }

  get(key) {
    if (
      key === this.trail.concat([key]).join(".")
    ) {
      return this.value[this.value.length - 1];
    }

    if (this.chain[key] !== undefined) {
      const instance = this.chain[key];
      // console.log(instance)
      return instance.get(key);
    }
  }

  set(key, value) {
    if (
      key === this.trail.concat([key]).join(".")
    ) {
      this.update(key, value);
      return;
    }

    if (this.chain[key] !== undefined) {
      const instance = this.chain[key];
      instance.update(key, value);
      return;
    }
  }

  // lens(steps) {
  //   return this.value[this.value.length - steps];
  // }
}

const test = new Value([], LINK, store);

console.log(test);

test.set("optimist.entities", [
  "blue",
  "red",
  "green"
]);

console.log(test.get("optimist.entities"));

// Doesn't work yet
test.set(
  "optimist.entities",
  test.get(
    "optimist.entities.session.analytics.typeaheadUsers.blockedUsers.settings"
  )
);

console.log(test.get("optimist.entities"));