Sliding Clock: get rid of the setup variables after the init to reduce the memory footprint

apps/slidingtext/slidingtext.js

@@ -265,7 +265,7 @@ function bangleVersion(){
   return (g.getHeight()>200)? 1 : 2;
 }
 
-const row_types = {
+var row_types = {
   large: {
     color: 'major',
     speed: 'medium',
@@ -314,11 +314,11 @@ function initDisplay(settings) {
       row_displays.push(create_row(row_type,j));
     }
   });
+  initComplete();
 }
 
 function mergeMaps(map1,map2){
   if(map2 == null){
-    console.log("no merge:" + map2);
     return;
   }
   Object.keys(map2).forEach(key => {
@@ -336,10 +336,7 @@ function mergeObjects(obj1, obj2){
   return result;
 }
 
-
-
-const heights = {
-  tiny: [14,11],
+var heights = {
   vvsmall: [15,13],
   vsmall: [20,15],
   ssmall: [22,17],
@@ -351,14 +348,14 @@ const heights = {
   vlarge: [60,50]
 };
 
-const rotations = {
+var rotations = {
   0: 0,
   90: 3,
   180: 2,
   270: 1,
 };
 
-const speeds = {
+var speeds = {
   fast: 20,
   medium: 10,
   slow: 5,
@@ -447,6 +444,13 @@ function create_row_type(row_type, row_def){
   };
 }
 
+function initComplete(){
+  row_types = null;
+  speeds = null;
+  rotations = null;
+  heights = null;
+}
+
 function create_row(row_type, row_no){
   return new ShiftText(row_type.x(row_no),
       row_type.y(row_no),
@@ -605,7 +609,6 @@ function setColorScheme(colorscheme_name){
   for (var i=0; i < color_schemes.length; i++) {
     if(color_schemes[i].name === colorscheme_name){
       color_scheme_index = i;
-      console.log("match");
       updateColorScheme();
       break;
     }

apps/slidingtext/slidingtext.locale.en.js

@@ -8,10 +8,17 @@ const monthToText = require("slidingtext.utils.en.js").monthToText;
 class EnglishDateFormatter extends DateFormatter {
     constructor() {
         super();
-        this.row_types = {
-            small: {size: 'ssmall'}
-        };
-        this.row_defs = [
+    }
+    formatDate(date){
+        const hours_txt = hoursToText(date.getHours());
+        const mins_txt = numberToText(date.getMinutes());
+        const day_of_week = dayOfWeek(date);
+        const date_txt = numberToDayNumberText(date.getDate()).join(' ');
+        const month = monthToText(date);
+        return [hours_txt,mins_txt[0],mins_txt[1],day_of_week,date_txt,month];
+    }
+    defaultRowTypes(){
+        return [
             {
                 type: 'large',
                 init_coords: [0.05,0.07],
@@ -32,17 +39,12 @@ class EnglishDateFormatter extends DateFormatter {
             }
         ];
     }
-    formatDate(date){
-        const hours_txt = hoursToText(date.getHours());
-        const mins_txt = numberToText(date.getMinutes());
-        const day_of_week = dayOfWeek(date);
-        const date_txt = numberToDayNumberText(date.getDate()).join(' ');
-        const month = monthToText(date);
-        return [hours_txt,mins_txt[0],mins_txt[1],day_of_week,date_txt,month];
-    }
-    defaultRowTypes(){ return this.row_types;}
 
-    defaultRowDefs(){ return this.row_defs; }
+    defaultRowDefs(){
+        return {
+            small: {size: 'ssmall'}
+        };
+    }
 }
 
 module.exports = EnglishDateFormatter;