added "use strict" to all files that did not have it

js/dom/loading_slider.js

+'use strict';
 
 const showLoadingSlider = () => {
   $('#loading-slider').removeClass('loaded');

js/dom/setup/index.js

+'use strict';
+
 const setupDividers = require('./setup_dividers');
 const setupDocument = require('./setup_document');
 const setupFilesBar = require('./setup_files_bar');

js/dom/setup/setup_dividers.js

+'use strict';
+
 const app = require('../../app');
 
 const addDividerToDom = (divider) => {

js/dom/setup/setup_document.js

+'use strict';
+
 const app = require('../../app');
 
 module.exports = () => {

js/dom/setup/setup_files_bar.js

+'use strict';
+
 const definitelyBigger = (x, y) => x > (y + 2);
 
 module.exports = () => {

js/dom/setup/setup_interval.js

+'use strict';
+
 const app = require('../../app');
 const Toast = require('../toast');
 

js/dom/setup/setup_module_container.js

+'use strict';
+
 const app = require('../../app');
 
 module.exports = () => {

js/dom/setup/setup_powered_by.js

+'use strict';
+
 module.exports = () => {
   $('#powered-by').click(function() {
     $('#powered-by-list button').toggleClass('collapse');

js/dom/setup/setup_scratch_paper.js

+'use strict';
+
 const app = require('../../app');
 const Server = require('../../server');
 const showAlgorithm = require('../show_algorithm');

js/dom/setup/setup_side_menu.js

+'use strict';
+
 const app = require('../../app');
 
 let sidemenu_percent;

js/dom/setup/setup_top_menu.js

+'use strict';
+
 const app = require('../../app');
 const Server = require('../../server');
 const Toast = require('../toast');

js/dom/setup/setup_window.js

+'use strict';
+
 const app = require('../../app');
 
 module.exports = function() {

js/module/data/array1d.js

+'use strict';
+
 const Array2D = require('./array2d');
 
 const random = (N, min, max) => {

js/module/data/array2d.js

+'use strict';
+
 const random = (N, M, min, max) => {
   if (!N) N = 10;
   if (!M) M = 10;

js/module/data/coordinate_system.js

+'use strict';
+
 const random = (N, min, max) => {
   if (!N) N = 7;
   if (!min) min = 1;

js/module/data/directed_graph.js

+'use strict';
+
 const random = (N, ratio) => {
   if (!N) N = 5;
   if (!ratio) ratio = .3;

js/module/data/undirected_graph.js

+'use strict';
+
 const random = (N, ratio) => {
   if (!N) N = 5;
   if (!ratio) ratio = .3;

js/module/data/weighted_directed_graph.js

+'use strict';
+
 const random = (N, ratio, min, max) => {
   if (!N) N = 5;
   if (!ratio) ratio = .3;

js/module/data/weighted_undirected_graph.js

+'use strict';
+
 const random = (N, ratio, min, max) => {
   if (!N) N = 5;
   if (!ratio) ratio = .3;

js/module/tracer/array1d.js

+'use strict';
+
 const Array2DTracer = require('./array2d');
 
 class Array1DTracer extends Array2DTracer {

js/module/tracer/array2d.js

+'use strict';
+
 const Tracer = require('./tracer');
 
 const {

js/module/tracer/chart.js

+'use strict';
+
 const Tracer = require('./tracer');
 
 class ChartTracer extends Tracer {

js/module/tracer/coordinate_system.js

+'use strict';
+
 const DirectedGraphTracer = require('./directed_graph');
 
 class CoordinateSystemTracer extends DirectedGraphTracer {

js/module/tracer/directed_graph.js

+'use strict';
+
 const Tracer = require('./tracer');
 
 const {

js/module/tracer/log.js

+'use strict';
+
 const Tracer = require('./tracer');
 
 class LogTracer extends Tracer {

js/module/tracer/tracer.js

+'use strict';
+
 const app = require('../../app');
 
 const {

js/module/tracer/undirected_graph.js

+'use strict';
+
 const DirectedGraphTracer = require('./directed_graph');
 
 class UndirectedGraphTracer extends DirectedGraphTracer {

js/module/tracer/weighted_directed_graph.js

+'use strict';
+
 const DirectedGraphTracer = require('./directed_graph');
 
 const {

js/module/tracer/weighted_undirected_graph.js

+'use strict';
+
 const WeightedDirectedGraphTracer = require('./weighted_directed_graph');
 const UndirectedGraphTracer = require('./undirected_graph');
 

js/tracer_manager/util/from_json.js

+'use strict';
+
 const {
   parse
 } = JSON;

js/tracer_manager/util/index.js

+'use strict';
+
 const toJSON = require('./to_json');
 const fromJSON = require('./from_json');
 const refineByType = require('./refine_by_type');

js/tracer_manager/util/refine_by_type.js

+'use strict';
+
 const refineByType = (item) => {
   switch (typeof(item)) {
     case 'number':

js/tracer_manager/util/to_json.js

+'use strict';
+
 const {
   stringify
 } = JSON;