Rename some functions and variables

src/components/Letter.vue

@@ -85,16 +85,16 @@ export default {
     }
   },
   methods: {
-    capitalize: function (word) {
+    capitalize (word) {
       // Capitalize first letter of a String
       return word.charAt(0).toUpperCase() + word.slice(1)
     },
-    imgfolder: function (img) {
+    imgfolder (img) {
       // Add static image folder to path
       // TODO: Do with path?
       return '/static/' + img
     },
-    underscore: function (str) {
+    underscore (str) {
       return str.replace('_', ' ')
     }
   },

src/components/Search.vue

@@ -109,18 +109,17 @@ export default {
     }
   },
   methods: {
-    find: function () {
-      // Parse input field and call search API
-      var match = ''
-      var regex = ''
-      var params = {
+    parse () {
+      let match = ''
+      let regex = ''
+      let params = {
         element: undefined,
         content: undefined,
         attribute: undefined,
         value: undefined
       }
 
-      // TODO - Refactor this or put in function
+      // Parse the input
       if (this.search.indexOf('@') > 0) {
         regex = new RegExp(this.pattern[0])
         match = regex.exec(this.search)
@@ -134,6 +133,11 @@ export default {
         params.element = match[1]
         params.content = match[2]
       }
+      return params
+    },
+    find () {
+      // Parse input field and call search API
+      let params = this.parse()
 
       // Remove undefined values
       Object.keys(params).forEach((key) => (params[key] == null) && delete params[key])
@@ -147,7 +151,7 @@ export default {
       // Validate input field
       this.search.toLowerCase()
 
-      var validator = new RegExp(this.pattern.join('|'))
+      const validator = new RegExp(this.pattern.join('|'))
       if (validator.test(this.search)) {
         this.invalid = false
         this.find()
@@ -162,12 +166,12 @@ export default {
     },
     getValue (obj) {
       // Get value of unknown key in object
-      var key = Object.keys(obj)[0]
+      let key = Object.keys(obj)[0]
       return obj[key].substr(0, this.cutoff)
     },
     getKey (obj) {
       // Get unknown first key from object
-      var key = Object.keys(obj)[0]
+      let key = Object.keys(obj)[0]
       key = key.replace('teiHeader.xenoData.', '')
       key = key.replace(/.[0-9]._text/, '')
       return key