Added logging module

dist/iwmlib.pixi.js

@@ -4709,6 +4709,19 @@
     //     }
     }
 
+    /** Basic class for app specific logging requirements.
+     * Can be used to implement persistent logging in electron apps.
+     */
+    class Logging {
+
+        /** Static log function.
+         * @param {*} message
+         */
+        log(message) {
+            console.log(message);
+        }
+    }
+
     /* globals Hammer, propagating */
 
     /** Interaction patterns
@@ -5620,11 +5633,6 @@
             this.logInteractionsAbove = logInteractionsAbove;
         }
 
-        log(message) {
-            let logger = (typeof app != 'undefined' && app.log) ? app : console;
-            logger.log(message);
-        }
-
         get targetInterface() {
             return IInteractionMapperTarget
         }
@@ -5647,7 +5655,7 @@
             let size = this.interaction.current.size;
             let limit = this.logInteractionsAbove;
             if (size > limit) {
-                this.log(`Number of interactions ${size} exceeds ${limit}`);
+                Logging.log(`Number of interactions ${size} exceeds ${limit}`);
             }
         }