chore: split out helpers

src/utils/grammar.js

@@ -0,0 +1,23 @@
+const titleCaseExceptions = require('./../_data/json/title-case-exceptions.json')
+
+module.exports = {
+  /**
+   * Accepts a string that is then transformed to title case and returned.
+   *
+   * @name titleCase
+   * @param {string} string
+   * @returns {string}
+   */
+  titleCase: (string) => {
+    if (!string) return ''
+    return string
+      .toLowerCase()
+      .split(' ')
+      .map((word, i) => {
+        return titleCaseExceptions.exceptions.includes(word) && i !== 0
+          ? word
+          : word.charAt(0).toUpperCase().concat(word.substring(1))
+      })
+      .join(' ')
+  },
+}