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gaia/apps/calendar/js/common/error.js

@@ -0,0 +1,37 @@
+define(function(require, exports, module) {
+'use strict';
+
+/**
+ * These errors are _not_ exceptions and are designed to be passed not thrown
+ * in typical |throw new X| fashion.
+ */
+function Base(name, detail) {
+  this.message = 'oops... why did you throw this?';
+  this.name = name;
+  this.detail = detail;
+}
+module.exports = Base;
+
+Base.prototype = Object.create(Error.prototype);
+
+function errorFactory(name, l10nID) {
+  var error = function(detail) {
+    this.name = name;
+    this.detail = detail;
+    /**
+     * we need to use l10nID's for backwards compatibility
+     * (not changing string IDs between releases).
+     */
+    this.l10nID = l10nID || name;
+  };
+
+  error.prototype = Object.create(Base.prototype);
+  return error;
+}
+
+/* note names should _never_ change */
+Base.Authentication = errorFactory('authentication', 'unauthenticated');
+Base.InvalidServer = errorFactory('invalid-server', 'internal-server-error');
+Base.ServerFailure = errorFactory('server-failure', 'internal-server-error');
+
+});