use eslint, close: #74

.eslintrc

@@ -0,0 +1,60 @@
+{
+    "extends": "eslint:recommended",
+    "parserOptions": {
+        "ecmaVersion": 6,
+        "sourceType": "module"
+    },
+    "env": {
+      "browser": true
+    },
+    "rules": {
+        "no-console": 0,
+        "no-extra-parens": 1,
+        "block-scoped-var": 1,
+        "curly": 1,
+        "eqeqeq": 1,
+        "no-global-assign": 1,
+        "no-implicit-globals": 1,
+        "no-labels": 1,
+        "no-multi-str": 1,
+        "no-unused-expressions": 1,
+        "comma-spacing": 1,
+        "comma-style": 1,
+        "func-call-spacing": 1,
+        "indent": 1,
+        "keyword-spacing": 1,
+        "linebreak-style": 1,
+        "lines-around-comment": 1,
+        "no-multiple-empty-lines": 1,
+        "space-infix-ops": 1,
+        "arrow-spacing": 1,
+        "no-var": 1,
+        "prefer-const": 1,
+        "no-unsafe-negation": 1,
+        "array-callback-return": 1,
+        "dot-location": 1,
+        "dot-notation": 1,
+        "no-eval": 1,
+        "no-extend-native": 1,
+        "no-extra-label": 1,
+        "semi": 1,
+        "space-before-blocks": 1,
+        "space-before-function-paren": 1,
+        "space-in-parens": 1,
+        "space-unary-ops": 1,
+        "spaced-comment": 1,
+        "arrow-body-style": 1,
+        "arrow-parens": 1,
+        "no-restricted-imports": 1,
+        "no-duplicate-imports": 1,
+        "no-useless-computed-key": 1,
+        "no-useless-rename": 1,
+        "rest-spread-spacing": 1
+    },
+    "globals": {
+        "require": false,
+        "module": false,
+        "Hls": false,
+        "flvjs": false
+    }
+}

package.json

@@ -29,21 +29,23 @@
   },
   "homepage": "https://github.com/DIYgod/DPlayer#readme",
   "devDependencies": {
-    "autoprefixer": "^6.7.2",
+    "autoprefixer": "^7.1.1",
     "babel-core": "^6.24.1",
-    "babel-loader": "^6.4.1",
+    "babel-loader": "^7.0.0",
     "babel-preset-es2015": "^6.24.1",
     "css-loader": "^0.28.0",
+    "eslint": "^3.19.0",
+    "eslint-loader": "^1.7.1",
     "exports-loader": "^0.6.4",
     "extract-text-webpack-plugin": "^2.1.0",
     "file-loader": "^0.11.1",
     "node-sass": "^4.5.0",
-    "postcss-loader": "^1.3.3",
+    "postcss-loader": "^2.0.5",
     "sass-loader": "^6.0.2",
     "strip-loader": "^0.1.2",
-    "style-loader": "^0.16.1",
+    "style-loader": "^0.18.1",
     "url-loader": "^0.5.7",
-    "webpack": "^2.3.3",
-    "webpack-dev-server": "^2.4.2"
+    "webpack": "^2.6.1",
+    "webpack-dev-server": "^2.4.5"
   }
 }