Remember input in LocalStorage

Signed-off-by: hamza221 <hamzamahjoubi221@gmail.com>

src/views/Submit.vue

@@ -89,7 +89,8 @@
 					v-bind="question"
 					:values.sync="answers[question.id]"
 					@keydown.enter="onKeydownEnter"
-					@keydown.ctrl.enter="onKeydownCtrlEnter" />
+					@keydown.ctrl.enter="onKeydownCtrlEnter"
+					@update:values="addFormFieldToLocalStorage(question)" />
 			</ul>
 			<input ref="submitButton"
 				class="primary"
@@ -158,6 +159,7 @@ export default {
 			maxStringLengths: loadState('forms', 'maxStringLengths'),
 			answerTypes,
 			answers: {},
+			formValuesForLocalStorage: [],
 			loading: false,
 			success: false,
 		}
@@ -236,6 +238,26 @@ export default {
 			this.fetchFullForm(this.form.id)
 		}
 		SetWindowTitle(this.formTitle)
+		if (localStorage.getItem(`${this.shareHash}`)) {
+			this.formValuesForLocalStorage = JSON.parse(localStorage.getItem(`${this.shareHash}`))
+
+			this.formValuesForLocalStorage.forEach(answer => {
+				if (answer) {
+					switch (answer?.type) {
+					case 'QuestionMultiple':
+						const answers = []
+						answer.value.forEach(num => {
+							answers.push(num.toString())
+						})
+						this.answers[answer.id] = answers
+						break
+					default:
+						this.answers[answer.id] = answer.value
+						break
+					}
+				}
+			})
+		}
 	},
 
 	methods: {
@@ -261,11 +283,23 @@ export default {
 			// Using button-click event to not bypass validity-checks and use our specified behaviour
 			this.$refs.submitButton.click()
 		},
+		addFormFieldToLocalStorage(question) {
+
+			this.formValuesForLocalStorage[question.id] = { id: question.id, value: this.answers[question.id], type:answerTypes[question.type].component.name }
+			const parsed = JSON.stringify(this.formValuesForLocalStorage)
+			localStorage.setItem(`${this.shareHash}`, parsed)
+		},
+		deleteFormFieldFromLocalStorage() {
+			this.formValuesForLocalStorage = []
+			const parsed = JSON.stringify(this.formValuesForLocalStorage)
+			localStorage.setItem(`${this.shareHash}`, parsed)
+		},
 
 		/**
 		 * Submit the form after the browser validated it 🚀
 		 */
 		async onSubmit() {
+			this.deleteFormFieldFromLocalStorage()
 			this.loading = true
 
 			try {