added return types for constructors

Author: markhatchell

src/Battery.js

@@ -30,6 +30,7 @@ class Battery {
 
   /**
    * Takes no parameters, and initializes a fresh battery object.
+   * @return {Battery}
    */
   constructor() {
 

src/Wavelength.js

@@ -19,6 +19,8 @@ class Wavelength {
    *
    * @param {number} frequencyInMegahertz - The given frequency for the wavelength.
    * @param {number} [precision = 4] - The float precision for returned values.
+   * @returns {Wavelength}
+   *
    */
   constructor(frequencyInMegahertz, precision = 4) {
     if (typeof frequencyInMegahertz === 'undefined') {

src/objects/BatteryRuntime.js

@@ -9,6 +9,7 @@ class BatteryRuntime {
    * @param {number} totalMin
    * @param {number} totalHours
    * @param {number} totalSeconds
+   * @return {BatteryRuntime}
    */
 
   constructor(totalMin = 0, totalHours = 0, totalSeconds = 0) {

src/objects/BatteryStorage.js

@@ -8,6 +8,8 @@ class BatteryStorage {
    *
    * @param {number} coulombs
    * @param {number} ampHours
+   * @return {BatteryStorage}
+   *
    */
 
   constructor(coulombs = 0, ampHours = 0) {