Use setprototypeof module to replace __proto__ setting

closes #11
jshttp · May 18, 2016 · fb378a8 · fb378a8
1 parent d043dca
commit fb378a8
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Showing 3 changed files with 5 additions and 2 deletions.
diff --git a/HISTORY.md b/HISTORY.md
@@ -2,6 +2,7 @@ unreleased
 ==========
 
   * Support new code `421 Misdirected Request`
+  * Use `setprototypeof` module to replace `__proto__` setting
   * deps: statuses@'>= 1.3.0 < 2'
     - Add `421 Misdirected Request`
     - perf: enable strict mode

diff --git a/index.js b/index.js
@@ -10,6 +10,7 @@
  * @private
  */
 
+var setPrototypeOf = require('setprototypeof')
 var statuses = require('statuses');
 var inherits = require('inherits');
 
@@ -118,7 +119,7 @@ function createClientErrorConstructor (HttpError, name, code) {
     Error.captureStackTrace(err, ClientError)
 
     // adjust the [[Prototype]]
-    err.__proto__ = ClientError.prototype
+    setPrototypeOf(err, ClientError.prototype)
 
     // redefine the error name
     Object.defineProperty(err, 'name', {
@@ -156,7 +157,7 @@ function createServerErrorConstructor (HttpError, name, code) {
     Error.captureStackTrace(err, ServerError)
 
     // adjust the [[Prototype]]
-    err.__proto__ = ServerError.prototype
+    setPrototypeOf(err, ServerError.prototype)
 
     // redefine the error name
     Object.defineProperty(err, 'name', {

diff --git a/package.json b/package.json
@@ -11,6 +11,7 @@
   "repository": "jshttp/http-errors",
   "dependencies": {
     "inherits": "2.0.1",
+    "setprototypeof": "1.0.1",
     "statuses": ">= 1.3.0 < 2"
   },
   "devDependencies": {