Implement custom date input

web/src/components/DateInput.vue

@@ -0,0 +1,33 @@
+<script lang="ts" setup>
+const props = defineProps(["modelValue"]);
+const emit = defineEmits(['update:modelValue']);
+
+function dateToYYYYMMDD(d: Date) : string {
+  // alternative implementations in https://stackoverflow.com/q/23593052/1850609
+  //return new Date(d.getTime() - (d.getTimezoneOffset() * 60 * 1000)).toISOString().split('T')[0];
+  return d.toISOString().split('T')[0];
+}
+
+function updateValue(event: Event) {
+  const target = event.target as HTMLInputElement;
+  emit('update:modelValue', target.valueAsDate);
+}
+function selectAll(event: FocusEvent) {
+  // Workaround for Safari bug
+  // http://stackoverflow.com/questions/1269722/selecting-text-on-focus-using-jquery-not-working-in-safari-and-chrome
+  setTimeout(function () {
+    const target = event.target as HTMLInputElement;
+    target.select()
+  }, 0)
+}
+</script>
+
+<template>
+  <input
+    type="date"
+    ref="input"
+    v-bind:value="dateToYYYYMMDD(modelValue)"
+    @input="updateValue"
+    @focus="selectAll"
+  />
+</template>