Merge pull request #86 from vigour-io/feature/removeOpt

Feature/remove opt

lib/observable/remove.js

@@ -55,9 +55,9 @@ exports.define = {
         stamp = vstamp.create()
         created = true
       }
-      if (stamp) {
+      let on
+      if (stamp && (on = this._emitters)) {
         if (created) {
-          let on = this._emitters
           let emitter = on._data || on.data
           let remitter = on._removeEmitter || on.removeEmitter
           target.emitRemove(stamp, created, void 0)

package.json

@@ -15,21 +15,20 @@
     "vigour-base": "^3.3.13",
     "vigour-stamp": "^1.3.4",
     "vigour-util": "^3.0.0",
-    "babelify": "^7.3.0",
-    "babel-preset-es2015": "^6.6.0"
+    "bubleify": "0.5.1"
   },
   "devDependencies": {
     "ducktape": "^1.0.0",
-    "tap-difflet": "0.4.0",
-    "tape": "4.4.0",
+    "tap-difflet": "0.6.0",
+    "tape": "^4.6.0",
     "observ": "0.2.0",
     "vigour-performance": "^1.2.3",
     "nodemon": "^1.9.1",
     "coveralls": "^2.11.9",
     "istanbul": "^0.4.3",
-    "standard": "^7.0.1",
+    "standard": "^8.0.1",
     "pre-commit": "^1.1.3",
-    "budo": "^8.2.2"
+    "budo": "9.0.0"
   },
   "repository": {
     "type": "git",
@@ -48,14 +47,7 @@
   },
   "browserify": {
     "transform": [
-      [
-        "babelify",
-        {
-          "presets": [
-            "es2015"
-          ]
-        }
-      ]
+      "bubleify"
     ]
   },
   "homepage": "https://github.com/vigour-io/observable#readme"