Refactor code-style

.prettierignore

@@ -0,0 +1,3 @@
+coverage/
+n-gram.js
+n-gram.min.js

index.js

@@ -1,39 +1,38 @@
-'use strict';
+'use strict'
 
-module.exports = nGram;
+module.exports = nGram
 
-nGram.bigram = nGram(2);
-nGram.trigram = nGram(3);
+nGram.bigram = nGram(2)
+nGram.trigram = nGram(3)
 
-/* Factory returning a function that converts a given string
- * to n-grams. */
+// Factory returning a function that converts a value string to n-grams.
 function nGram(n) {
   if (typeof n !== 'number' || isNaN(n) || n < 1 || n === Infinity) {
-    throw new Error('`' + n + '` is not a valid argument for n-gram');
+    throw new Error('`' + n + '` is not a valid argument for n-gram')
   }
 
-  return grams;
+  return grams
 
-  /* Create n-grams from a given value. */
+  // Create n-grams from a given value.
   function grams(value) {
-    var nGrams = [];
-    var index;
+    var nGrams = []
+    var index
 
     if (value === null || value === undefined) {
-      return nGrams;
+      return nGrams
     }
 
-    value = value.slice ? value : String(value);
-    index = value.length - n + 1;
+    value = value.slice ? value : String(value)
+    index = value.length - n + 1
 
     if (index < 1) {
-      return nGrams;
+      return nGrams
     }
 
     while (index--) {
-      nGrams[index] = value.slice(index, index + n);
+      nGrams[index] = value.slice(index, index + n)
     }
 
-    return nGrams;
+    return nGrams
   }
 }

package.json

@@ -26,30 +26,38 @@
   "devDependencies": {
     "browserify": "^16.0.0",
     "nyc": "^12.0.0",
+    "prettier": "^1.14.2",
     "remark-cli": "^5.0.0",
     "remark-preset-wooorm": "^4.0.0",
     "tape": "^4.0.0",
     "tinyify": "^2.4.3",
     "xo": "^0.22.0"
   },
   "scripts": {
-    "build-md": "remark . -qfo",
+    "format": "remark . -qfo && prettier --write \"**/*.js\" && xo --fix",
     "build-bundle": "browserify . -s nGram > n-gram.js",
     "build-mangle": "browserify . -s nGram -p tinyify > n-gram.min.js",
-    "build": "npm run build-md && npm run build-bundle && npm run build-mangle",
-    "lint": "xo",
+    "build": "npm run build-bundle && npm run build-mangle",
     "test-api": "node test",
     "test-coverage": "nyc --reporter lcov tape test.js",
-    "test": "npm run build && npm run lint && npm run test-coverage"
+    "test": "npm run format && npm run build && npm run test-coverage"
   },
   "nyc": {
     "check-coverage": true,
     "lines": 100,
     "functions": 100,
     "branches": 100
   },
+  "prettier": {
+    "tabWidth": 2,
+    "useTabs": false,
+    "singleQuote": true,
+    "bracketSpacing": false,
+    "semi": false,
+    "trailingComma": "none"
+  },
   "xo": {
-    "space": true,
+    "prettier": true,
     "esnext": false,
     "ignores": [
       "n-gram.js"

readme.md

@@ -13,18 +13,18 @@ npm install n-gram
 ## Usage
 
 ```js
-var nGram = require('n-gram');
+var nGram = require('n-gram')
 
-nGram.bigram('n-gram'); // ['n-', '-g', 'gr', 'ra', 'am']
-nGram(2)('n-gram'); // ['n-', '-g', 'gr', 'ra', 'am']
+nGram.bigram('n-gram') // ['n-', '-g', 'gr', 'ra', 'am']
+nGram(2)('n-gram') // ['n-', '-g', 'gr', 'ra', 'am']
 
-nGram.trigram('n-gram'); // ['n-g', '-gr', 'gra', 'ram']
+nGram.trigram('n-gram') // ['n-g', '-gr', 'gra', 'ram']
 
-nGram(6)('n-gram'); // ['n-gram']
-nGram(7)('n-gram'); // []
+nGram(6)('n-gram') // ['n-gram']
+nGram(7)('n-gram') // []
 
 // Anything with a `.length` and `.slice` works: arrays too.
-nGram.bigram(['alpha', 'bravo', 'charlie']); // [['alpha', 'bravo'], ['bravo', 'charlie']]
+nGram.bigram(['alpha', 'bravo', 'charlie']) // [['alpha', 'bravo'], ['bravo', 'charlie']]
 ```
 
 ## API