From db94a62649deeb5342c9b84c7e15365c9430ffea Mon Sep 17 00:00:00 2001
From: Julius Tens <mail@juliustens.eu>
Date: Thu, 27 Feb 2020 11:30:26 +0100
Subject: [PATCH] add basic linter setup

---
 .eslintrc.json | 28 ++++++++++++++++++++++++++++
 .travis.yml    |  2 +-
 package.json   |  2 ++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 .eslintrc.json

diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 00000000..75300be2
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,28 @@
+{
+    "env": {
+        "commonjs": true,
+        "es6": true,
+        "node": true
+    },
+    "extends": "eslint:recommended",
+    "globals": {
+        "Atomics": "readonly",
+        "SharedArrayBuffer": "readonly"
+    },
+    "ignorePatterns": ["node_modules", "test", "*example.js"],
+    "parserOptions": {
+        "ecmaVersion": 2018
+    },
+    "rules": {
+        "no-irregular-whitespace": "off",
+        "no-mixed-spaces-and-tabs": "off",
+        "no-unused-vars": [
+            "error",
+            {
+                "vars": "all",
+                "args": "none",
+                "ignoreRestSiblings": false
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 7ee1e933..1d9d8efa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ node_js:
   - 'lts/*'
   - '10'
 cache: npm
-script: npm test
+script: npm run lint && npm test
 jobs:
   include:
     - name: e2e-test
diff --git a/package.json b/package.json
index 72bffbf9..6902a38f 100644
--- a/package.json
+++ b/package.json
@@ -57,6 +57,7 @@
 	},
 	"devDependencies": {
 		"db-stations": "^3.0.0",
+		"eslint": "^6.8.0",
 		"is-coordinates": "^2.0.2",
 		"is-roughly-equal": "^0.1.0",
 		"tap-spec": "^5.0.0",
@@ -67,6 +68,7 @@
 	},
 	"scripts": {
 		"e2e-test": "env NODE_ENV=dev node test/e2e/index.js | tap-spec",
+		"lint": "eslint .",
 		"test": "env NODE_ENV=dev node test/index.js | tap-spec",
 		"prepublishOnly": "npm test && npm run e2e-test"
 	}