feat(ngError): add error message compression and better error messages

- add toThrowNg matcher

1 files changed, 7 insertions, 4 deletions

diff --git a/src/Angular.js b/src/Angular.js
index aefe7ad5..22fb005e 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -215,7 +215,7 @@ function nextUid() {
 
 /**
  * Set or clear the hashkey for an object.
- * @param obj object 
+ * @param obj object
  * @param h the hashkey (!truthy to delete the hashkey)
  */
 function setHashKey(obj, h) {
@@ -590,7 +590,10 @@ function isLeafNode (node) {
  * @returns {*} The copy or updated `destination`, if `destination` was specified.
  */
 function copy(source, destination){
-  if (isWindow(source) || isScope(source)) throw Error("Can't copy Window or Scope");
+  if (isWindow(source) || isScope(source)) {
+    throw ngError(43, "Can't copy! Making copies of Window or Scope instances is not supported.");
+  }
+
   if (!destination) {
     destination = source;
     if (source) {
@@ -603,7 +606,7 @@ function copy(source, destination){
       }
     }
   } else {
-    if (source === destination) throw Error("Can't copy equivalent objects or arrays");
+    if (source === destination) throw ngError(44, "Can't copy! Source and destination are identical.");
     if (isArray(source)) {
       destination.length = 0;
       for ( var i = 0; i < source.length; i++) {
@@ -1055,7 +1058,7 @@ function bindJQuery() {
  */
 function assertArg(arg, name, reason) {
   if (!arg) {
-    throw new Error("Argument '" + (name || '?') + "' is " + (reason || "required"));
+    throw ngError(45, "Argument '{0}' is {1}", (name || '?'), (reason || "required"));
   }
   return arg;
 }