fix js linter errors

src/pretix/plugins/webcheckin/static/pretixplugins/webcheckin/components/datefield.vue

@@ -60,5 +60,5 @@ onUnmounted(() => {
 })
 </script>
 <template lang="pug">
-input.form-control(ref="input", :id="id", :required="required")
+input.form-control(:id="id", ref="input", :required="required")
 </template>

src/pretix/plugins/webcheckin/static/pretixplugins/webcheckin/components/datetimefield.vue

@@ -61,5 +61,5 @@ onUnmounted(() => {
 })
 </script>
 <template lang="pug">
-input.form-control(ref="input", :id="id", :required="required")
+input.form-control(:id="id", ref="input", :required="required")
 </template>

src/pretix/static/pretixpresale/widget/src/components/EventForm.vue

@@ -81,7 +81,7 @@ function calcItemsSelected () {
 	isItemsSelected.value = hasChecked || hasQuantity
 }
 
-function focusVoucherField () {
+function _focusVoucherField () {
 	voucherinput.value?.focus()
 }
 

src/pretix/static/pretixpresale/widget/src/components/Item.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, inject, ref, watch, onMounted, nextTick } from 'vue'
+import { computed, inject, ref, watch, onMounted } from 'vue'
 import type { Item, Category } from '~/types'
 import { StoreKey } from '~/sharedStore'
 import { STRINGS, interpolate } from '~/i18n'

src/pretix/static/pretixpresale/widget/src/components/Widget.vue

@@ -40,7 +40,7 @@ onMounted(() => {
 	emit('mounted') // TODO where does this go?
 })
 
-watch(() => store.view, (newValue, oldValue) => {
+watch(() => store.view, (_newValue, oldValue) => {
 	if (oldValue && wrapper.value) {
 		// always make sure the widget is scrolled to the top
 		// as we only check top, we do not need to wait for a redraw