Add eslint

.eslintrc.yml

@@ -0,0 +1,15 @@
+env:
+ mocha: true
+extends: standard
+plugins:
+ - standard
+ - promise
+rules:
+ arrow-parens: 0
+ eqeqeq: 0
+ no-return-assign: 0 # fails for arrow functions
+ semi: [2, always]
+ space-before-function-paren: [2, never]
+ yoda: 0
+ arrow-spacing: 2
+ dot-location: [2, "property"]

.travis.yml

@@ -2,3 +2,5 @@ node_js:
  - "4"
  - "6"
 language: node_js
+script:
+ make lint

Makefile

@@ -1,8 +1,11 @@
+lint:
+ @./node_modules/.bin/eslint .
+
 test:
  @NODE_ENV=test ./node_modules/.bin/mocha \
  --harmony \
  --reporter spec \
  --require should \
  */test.js
 
-.PHONY: test
+.PHONY: lint test

Readme.md

@@ -2,6 +2,13 @@
 
  A repository containing small examples to illustrate the use of Koa
  for creating web applications and other HTTP servers.
+
+# Running tests
+
+```bash
+make test
+make lint
+```
 
 ## Included Examples
 

package.json

@@ -26,6 +26,10 @@
  },
  "devDependencies": {
  "co": "*",
+ "eslint": "^3.8.1",
+ "eslint-config-standard": "^6.2.0",
+ "eslint-plugin-promise": "^3.3.0",
+ "eslint-plugin-standard": "^2.0.1",
  "mocha": "*",
  "should": "^3.3.2",
  "supertest": "*"