QuestionType.Number now always returns a number (#149)

QuestionType.Number now always returns a number

Co-authored-by: EkaterinaVu <ekaterina.vujasinovic@gmail.com>

Author: spinn

src/components/QuestionTypes/BaseType.vue

@@ -124,8 +124,10 @@
       },
 
       setAnswer(answer) {
+        this.question.setAnswer(answer)
+
+        this.answer = this.question.answer
         this.question.answered = this.isValid()
-        this.answer = this.question.answer = answer
 
         this.$emit('input', this.answer)
       },

src/components/QuestionTypes/NumberType.vue

@@ -12,10 +12,21 @@
   export default {
     extends: TextType,
     name: QuestionType.Number,
+
     data() {
       return {
         inputType: 'tel',
-        allowedChars: '0123456789.'
+        allowedChars: '-0123456789.'
+      }
+    },
+
+    methods: {
+      validate() {
+        if (this.hasValue) {
+          return !isNaN(+this.dataValue)
+        }
+
+        return !this.question.required || this.hasValue
       }
     }
   }

src/models/QuestionModel.js

@@ -122,8 +122,13 @@ export default class QuestionModel {
     }
   }
 
-  getFormattedAnswer() {
-    return this.answer
+  setAnswer(answer) {
+    console.log(answer)
+    if (this.type === QuestionType.Number && answer !== '' && !isNaN(+answer)) {
+      answer = +answer
+    }
+
+    this.answer = answer
   }
 
   getJumpId() {