Merge pull request #9 from Aniket-Engg/eslint

linter added

.eslintignore

@@ -0,0 +1 @@
+test/node_modules

.eslintrc

@@ -0,0 +1,38 @@
+{
+    "parserOptions": {
+      "ecmaVersion": 9
+    },
+    "env": {
+      "browser": true,
+      "node": true,
+      "mocha" : true,
+      "es6": true
+    },
+
+    "rules": {
+      "strict": ["error", "global"],
+      "camelcase": ["error", {"properties": "always"}],
+      "comma-dangle": ["error", "always-multiline"],
+      "comma-spacing": ["error", {"before": false, "after": true}],
+      "dot-notation": ["error", {"allowKeywords": true, "allowPattern": ""}],
+      "eol-last": ["error", "always"],
+      "generator-star-spacing": ["error", "before"],
+      "indent": ["error", 2],
+      "linebreak-style": ["error", "unix"],
+      "max-len": ["error", 120, 2],
+      "no-debugger": "off",
+      "no-dupe-args": "error",
+      "no-dupe-keys": "error",
+      "no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
+      "no-redeclare": ["error", {"builtinGlobals": true}],
+      "no-trailing-spaces": ["error", { "skipBlankLines": false }],
+      "no-undef": "error",
+      "no-use-before-define": "off",
+      "no-var": "error",
+      "object-curly-spacing": ["error", "always"],
+      "prefer-const": "error",
+      "quotes": ["error", "single"],
+      "semi": ["error", "always"],
+      "space-before-function-paren": ["error", "always"]
+    }
+}

.travis.yml

@@ -8,6 +8,10 @@ cache:
 
 jobs:
   include:
+    - stage: tests
+      name: "Linter"
+      script: npm run lint
+
     - stage: tests
       name: "Unit tests"
       script: 

lib/straighten.js

@@ -1,8 +1,10 @@
-const {getPragma, processFile} = require('./../utils/file');
+'use strict';
+
+const { getPragma, processFile } = require('./../utils/file');
 
 module.exports.straighten = async (filePath) => {
-    const pragma = await getPragma(filePath);
-    let contractSource = await processFile(filePath, true);
-    contractSource = pragma + '\n\n' + contractSource;
-    return contractSource;
-}
+  const pragma = await getPragma(filePath);
+  let contractSource = await processFile(filePath, true);
+  contractSource = pragma + '\n\n' + contractSource;
+  return contractSource;
+};