remove dep

lib/to-file.js

@@ -1,7 +1,6 @@
 'use strict';
 
 const typeOf = require('kind-of');
-const define = require('define-property');
 const stringify = require('./stringify');
 const utils = require('./utils');
 
@@ -26,10 +25,10 @@ module.exports = function(file) {
   }
 
   // set non-enumerable properties on the file object
-  define(file, 'orig', utils.toBuffer(file.content));
-  define(file, 'language', file.language || '');
-  define(file, 'matter', file.matter || '');
-  define(file, 'stringify', function(data, options) {
+  utils.define(file, 'orig', utils.toBuffer(file.content));
+  utils.define(file, 'language', file.language || '');
+  utils.define(file, 'matter', file.matter || '');
+  utils.define(file, 'stringify', function(data, options) {
     if (options && options.language) {
       file.language = options.language;
     }

lib/utils.js

@@ -3,6 +3,15 @@
 const stripBom = require('strip-bom-string');
 const typeOf = require('kind-of');
 
+exports.define = function(obj, key, val) {
+  Reflect.defineProperty(obj, key, {
+    enumerable: false,
+    configurable: true,
+    writable: true,
+    value: val
+  });
+};
+
 /**
  * Returns true if `val` is a buffer
  */

package.json

@@ -34,7 +34,6 @@
     "test": "mocha"
   },
   "dependencies": {
-    "define-property": "^2.0.2",
     "js-yaml": "^3.11.0",
     "kind-of": "^6.0.2",
     "section-matter": "^1.0.0",