Move showNumber to TS and call showString (#829)

libs/core/basic.cpp

@@ -7,26 +7,6 @@
 //% color=#0078D7 weight=100 icon="\uf00a"
 namespace basic {
 
-    /**
-     * Scroll a number on the screen. If the number fits on the screen (i.e. is a single digit), do not scroll.
-     * @param interval speed of scroll; eg: 150, 100, 200, -100
-     */
-    //% help=basic/show-number
-    //% weight=96
-    //% blockId=device_show_number block="show|number %number" blockGap=8
-    //% async
-    //% parts="ledmatrix"
-    void showNumber(int value, int interval = 150) {
-      if (interval <= 0)
-        interval = 1;
-      ManagedString t(value);
-      if (value < 0 || value >= 10) {
-        uBit.display.scroll(t, interval);
-      } else {
-        uBit.display.printChar(t.charAt(0), interval * 5);
-      }
-    }
-
     /**
      * Draws an image on the LED screen.
      * @param leds the pattern of LED to turn on/off

libs/core/basic.ts

@@ -0,0 +1,15 @@
+namespace basic {
+    
+    /**
+     * Scroll a number on the screen. If the number fits on the screen (i.e. is a single digit), do not scroll.
+     * @param interval speed of scroll; eg: 150, 100, 200, -100
+     */
+    //% help=basic/show-number
+    //% weight=96
+    //% blockId=device_show_number block="show|number %number" blockGap=8
+    //% async
+    //% parts="ledmatrix" interval.defl=150
+    export function showNumber(value: number, interval?: number) {
+        showString(value.toString(), interval);
+    }
+}

libs/core/pxt.json

@@ -18,6 +18,7 @@
         "codal.cpp",
         "images.cpp",
         "basic.cpp",
+        "basic.ts",
         "icons.ts",
         "icons.jres",
         "input.cpp",

libs/core/shims.d.ts

@@ -130,17 +130,6 @@ declare interface Image {
     //% color=#0078D7 weight=100 icon="\uf00a"
 declare namespace basic {
 
-    /**
-     * Scroll a number on the screen. If the number fits on the screen (i.e. is a single digit), do not scroll.
-     * @param interval speed of scroll; eg: 150, 100, 200, -100
-     */
-    //% help=basic/show-number
-    //% weight=96
-    //% blockId=device_show_number block="show|number %number" blockGap=8
-    //% async
-    //% parts="ledmatrix" interval.defl=150 shim=basic::showNumber
-    function showNumber(value: int32, interval?: int32): void;
-
     /**
      * Draws an image on the LED screen.
      * @param leds the pattern of LED to turn on/off