Drop support for Node.js below 0.10

.travis.yml

@@ -1,6 +1,5 @@
 language: node_js
 node_js:
-  - "0.8"
   - "0.10"
   - "0.12"
   - "1.8"
@@ -21,7 +20,6 @@ before_install:
   # Skip updating shrinkwrap / lock
   - "npm config set shrinkwrap false"
   # Setup Node.js version-specific dependencies
-  - "test $TRAVIS_NODE_VERSION != '0.8' || npm rm --save-dev istanbul"
   - "test $(echo $TRAVIS_NODE_VERSION | cut -d. -f1) -ge 4 || npm rm --save-dev eslint eslint-plugin-markdown"
   # Update Node.js modules
   - "test ! -d node_modules || npm prune"

HISTORY.md

@@ -1,3 +1,8 @@
+2.x
+===
+
+  * Drop support for Node.js below 0.10
+
 1.3.3 / 2018-07-06
 ==================
 

index.js

@@ -28,11 +28,6 @@ var setPrototypeOf = require('setprototypeof')
 
 var slice = Array.prototype.slice
 
-/* istanbul ignore next */
-var defer = typeof setImmediate === 'function'
-  ? setImmediate
-  : function(fn){ process.nextTick(fn.bind.apply(fn, arguments)) }
-
 /**
  * Expose `Router`.
  */
@@ -208,13 +203,13 @@ Router.prototype.handle = function handle(req, res, callback) {
 
     // signal to exit router
     if (layerError === 'router') {
-      defer(done, null)
+      setImmediate(done, null)
       return
     }
 
     // no more matching layers
     if (idx >= stack.length) {
-      defer(done, layerError)
+      setImmediate(done, layerError)
       return
     }
 

package.json

@@ -34,7 +34,7 @@
     "index.js"
   ],
   "engines": {
-    "node": ">= 0.8"
+    "node": ">= 0.10"
   },
   "scripts": {
     "lint": "eslint --plugin markdown --ext js,md .",