Remove dependency

Author: wooorm

index.js

@@ -3,10 +3,11 @@
 var path = require('path');
 var gitDiffTree = require('git-diff-tree');
 var findUp = require('vfile-find-up');
-var has = require('has');
 
 module.exports = diff;
 
+var own = {}.hasOwnProperty;
+
 var previousRange;
 
 function diff() {
@@ -28,7 +29,7 @@ function diff() {
       previousRange = commitRange;
     }
 
-    if (has(cache, base)) {
+    if (own.call(cache, base)) {
       tick(cache[base]);
     } else {
       findUp.one('.git', file.dirname, function (err, git) {

package.json

@@ -22,12 +22,10 @@
   ],
   "dependencies": {
     "git-diff-tree": "^1.0.0",
-    "has": "^1.0.1",
     "vfile-find-up": "^2.0.0"
   },
   "devDependencies": {
     "execa": "^0.7.0",
-    "has": "^1.0.1",
     "nlcst-to-string": "^2.0.0",
     "nyc": "^11.1.0",
     "remark-cli": "^3.0.0",