first commit

build/node_modules/nested-error-stacks/index.js

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+var inherits = require('inherits');
+
+var NestedError = function (message, nested) {
+    this.nested = nested;
+
+    Error.captureStackTrace(this, this.constructor);
+
+    var oldStackDescriptor = Object.getOwnPropertyDescriptor(this, 'stack');
+
+    if (typeof message !== 'undefined') {
+        Object.defineProperty(this, 'message', {
+            value: message,
+            writable: true,
+            enumerable: false,
+            configurable: true
+        });
+    }
+
+    Object.defineProperties(this, {
+        stack: {
+            get: function () {
+                var stack = oldStackDescriptor.get.call(this);
+                if (this.nested) {
+                    stack += '\nCaused By: ' + this.nested.stack;
+                }
+                return stack;
+            }
+        }
+
+    });
+};
+
+inherits(NestedError, Error);
+NestedError.prototype.name = 'NestedError';
+
+
+module.exports = NestedError;