code clean

.travis.yml

 language: node_js
 node_js:
   - "9"
-  - "8"
 
 os:
   - linux

package.json

@@ -24,7 +24,7 @@
     "lint": "npm run check-node-version && npm run lint:ts && npm run lint:es && npm run lint:sh",
     "lint:es": "eslint \"{bin,examples,scripts,src,tests}/**/*.js\" --ignore-pattern=\"tests/fixtures/**\"",
     "lint:md": "markdownlint README.md",
-    "lint:ts": "npm run clean && echo tslint v`tslint --version` && tslint --project tsconfig.json \"{bin,examples,scripts,src,tests}/**/*.ts\" --exclude \"tests/fixtures/**\" --exclude \"dist/\" && tsc --noEmit",
+    "lint:ts": "tslint --project tsconfig.json --exclude \"tests/fixtures/**\" && tsc --noEmit",
     "lint:sh": "bash -n bin/*.sh",
     "sloc": "sloc bin examples scripts src tests --details --format cli-table --keys total,source,comment && sloc bin examples scripts src tests",
     "ts-node": "ts-node",
@@ -180,7 +180,6 @@
   ],
   "publishConfig": {
     "access": "public",
-    "tagBak": "next",
     "tag": "latest"
   }
 }

src/puppet-accessory.ts

@@ -7,6 +7,8 @@ import { log }  from './config'
 import { Puppet } from './puppet/'
 
 // use Symbol to prevent conflicting with the child class properties
+// This symbol must be exported (for now).
+// See: https://github.com/Microsoft/TypeScript/issues/20080
 export const PUPPET_ACCESSORY_NAME = Symbol('name')
 
 export abstract class PuppetAccessory extends EventEmitter {

tslint.json

@@ -83,7 +83,8 @@
       true,
       {
         "multiline": "always",
-        "singleline": "never"
+        "singleline": "never",
+        "esSpecCompliant": true
       }
     ],
     "triple-equals": [true],