[init] create base structure

.gitignore

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+.idea
+
+node_modules
+package-lock.json

README.md

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-# utils
+# Utils
+
 Some JavaScript util functions.

index.js

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+/**
+ * Return the word with the first letter capitalized.
+ * @param word
+ * @returns {string}
+ */
+function capitalizeWord (word) {
+  return word.charAt(0).toUpperCase() + word.toLowerCase().slice(1)
+}
+
+/**
+ * Return the words with the first letter capitalized.
+ * @param words
+ * @returns {string}
+ */
+function capitalizeWords (words) {
+  return words.split(' ').map(capitalizeWord).join(' ')
+}
+
+/**
+ * Return an array of word with first letter capitalized.
+ * @param wordList
+ * @returns {string[]}
+ */
+function capitalizeWordList (wordList) {
+  return wordList.map(capitalizeWords)
+}
+
+// Exports
+module.exports = {
+  capitalizeWord,
+  capitalizeWords,
+  capitalizeWordList
+}

package.json

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+{
+	"name": "utils",
+	"version": "0.1.0",
+	"author": "Omar Desogus",
+	"description": "Some JavaScript util functions.",
+	"license": "MIT",
+	"main": "index.js",
+	"scripts": {
+		"test": "mocha test.js"
+	},
+	"homepage": "https://github.com/cedoor/utils#readme",
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/cedoor/utils.git"
+	},
+	"bugs": {
+		"url": "https://github.com/cedoor/utils/issues"
+	},
+	"devDependencies": {
+		"mocha": "5.2.0",
+		"standard": "12.0.1"
+	}
+}

test.js

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+const assert = require('assert')
+const utils = require('./index.js')
+
+describe('Capitalization', function () {
+  describe('#capitalizeWord()', function () {
+    it('should return the word with the first letter capitalized', function () {
+      const result = utils.capitalizeWord('heLlO')
+      assert.equal(result, 'Hello')
+    })
+  })
+
+  describe('#capitalizeWords()', function () {
+    it('should return the words with the first letter capitalized', function () {
+      const result = utils.capitalizeWords('heLlO worLd')
+      assert.equal(result, 'Hello World')
+    })
+  })
+
+  describe('#capitalizeWordList()', function () {
+    it('should return an array of word with first letter capitalized', function () {
+      const result = utils.capitalizeWordList(['heLlO', 'heLlO worLd']).join(', ')
+      assert.equal(result, 'Hello, Hello World')
+    })
+  })
+})