Method serialize

src/state.ts:244–266

* Serializes the state into the url hash.

()

   * Serializes the state into the url hash.
   */
  serialize() {
    // Serialize regular properties.
    let props: string[] = [];
    State.PROPS.forEach(({name, type, keyMap}) => {
      let value = this[name];
      // Don't serialize missing values.
      if (value == null) {
        return;
      }
      if (type === Type.OBJECT) {
        value = getKeyFromValue(keyMap, value);
      } else if (type === Type.ARRAY_NUMBER ||
          type === Type.ARRAY_STRING) {
        value = value.join(",");
      }
      props.push(`${name}=${value}`);
    });
    // Serialize properties that correspond to hiding UI controls.
    getHideProps(this).forEach(prop => {
      props.push(`${prop}=${this[prop]}`);
    });
    window.location.hash = props.join("&");
  }

  /** Returns all the hidden properties. */
  getHiddenProps(): string[] {