Properly extend Error instead of implementing it, update the Error message and stack to appear in the console and error activity

tns-core-modules/utils/debug-common.ts

@@ -0,0 +1,47 @@
+import { knownFolders } from "file-system"
+
+export var debug = true;
+
+var applicationRootPath: string;
+function ensureAppRootPath() {
+    if (!applicationRootPath) {
+        applicationRootPath = knownFolders.currentApp().path;
+        applicationRootPath = applicationRootPath.substr(0, applicationRootPath.length - "app/".length);
+    }
+}
+
+export class Source {
+    private _uri: string;
+    private _line: number;
+    private _column: number;
+    
+    private static _source: symbol = Symbol("source");
+
+    constructor(uri: string, line: number, column: number) {
+        ensureAppRootPath();
+
+        if (uri.length > applicationRootPath.length && uri.substr(0, applicationRootPath.length) === applicationRootPath) {
+            this._uri = "file://" + uri.substr(applicationRootPath.length);
+        } else {
+            this._uri = uri;
+        }
+        this._line = line;
+        this._column = column;
+    }
+    
+    get uri(): string { return this._uri; }
+    get line(): number { return this._line; }
+    get column(): number { return this._column; }
+    
+    public toString() {
+        return this._uri + ":" + this._line + ":" + this._column;
+    }
+
+    public static get(object: any): Source {
+        return object[Source._source];
+    }
+    
+    public static set(object: any, src: Source) {
+        object[Source._source] = src;
+    }
+}