add eslint

.eslintrc

@@ -0,0 +1,22 @@
+{
+  "extends": [
+    "eslint:recommended"
+  ],
+  "env": {
+    "node": true,
+    "es6": false,
+  },
+  "globals": {
+    "Promise": true // used only when no callback are passed
+  },
+  "rules": {
+    "no-control-regex": "warn",
+    "no-prototype-builtins": "warn",
+    "indent": ["warn", 2, {"SwitchCase": 1}],
+    "linebreak-style": ["warn", "unix"],
+    "quotes": ["warn", "single"],
+    "no-unused-vars": "warn",
+    "no-sequences": "error",
+    "no-unused-expressions": "error",
+  }
+}

.travis.yml

@@ -5,4 +5,7 @@ node_js:
   - "4"
   - "5"
 
+before_script:
+  - npx eslint . --quiet
+
 sudo: false

lib/prompt.js

@@ -523,7 +523,7 @@ prompt.getInput = function (prop, callback) {
   // Calculate the raw length and colorize the prompt
   //
   length = raw.join('').length;
-  raw[0] = raw[0];
+  // raw[0] = raw[0];
   msg = raw.join('');
 
   if (schema.help) {

package.json

@@ -25,7 +25,8 @@
     "winston": "2.x"
   },
   "devDependencies": {
-    "vows": "0.7.0"
+    "eslint": "^7.32.0",
+    "vows": "^0.7.0"
   },
   "main": "./lib/prompt",
   "scripts": {

test/helpers.js

@@ -90,12 +90,12 @@ helpers.schema = {
   properties: {
     oldschema: {
       message: 'Enter your username',
-      validator: /^[\w|\-]+$/,
+      validator: /^[\w|-]+$/,
       warning: 'username can only be letters, numbers, and dashes',
       empty: false
     },
     riffwabbles: {
-      pattern: /^[\w|\-]+$/,
+      pattern: /^[\w|-]+$/,
       message: 'riffwabbles can only be letters, numbers, and dashes',
       default: 'foobizzles'
     },
@@ -127,7 +127,7 @@ helpers.schema = {
       type: 'boolean'
     },
     username: {
-      pattern: /^[\w|\-]+$/,
+      pattern: /^[\w|-]+$/,
       message: 'Username can only be letters, numbers, and dashes'
     },
     notblank: {

test/prompt-test.js

@@ -22,11 +22,11 @@ function grab () {
       complete = { schema: {} };
 
   names.forEach(function (name) {
-    complete.path = [name],
+    complete.path = [name];
     complete.schema = schema.properties[name];
   });
   return complete;
-};
+}
 
 //
 // Reset the prompt for mock testing