1 files changed, 0 insertions, 23 deletions
diff --git a/node_modules/is-error/index.js b/node_modules/is-error/index.js
deleted file mode 100644
index c0b4dbeab..000000000
--- a/node_modules/is-error/index.js
+++ /dev/null
@@ -1,23 +0,0 @@
-'use strict';
-
-var objectToString = Object.prototype.toString;
-var getPrototypeOf = Object.getPrototypeOf;
-var ERROR_TYPE = '[object Error]';
-
-module.exports = function isError(err) {
-    if (typeof err !== 'object') {
-        return false;
-    }
-    if (err instanceof Error) {
-        // Accept `AssertionError`s from the `assert` module that ships
-        // with Node.js v6.1.0, compare issue #4.
-        return true;
-    }
-    while (err) {
-        if (objectToString.call(err) === ERROR_TYPE) {
-            return true;
-        }
-        err = getPrototypeOf(err);
-    }
-    return false;
-};