mirror of
https://wget.la/https://github.com/leookun/cursor-byok
synced 2026-08-17 19:47:10 +08:00
v0.3.8
This commit is contained in:
leokun
@@ -0,0 +1,343 @@
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<script setup>
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import { autoUpdate, computePosition, flip, offset, shift, size } from "@floating-ui/dom";
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import { computed, nextTick, onBeforeUnmount, ref, watch, watchPostEffect } from "vue";
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const props = defineProps({
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modelValue: { type: String, default: "" },
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options: {
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type: Array,
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default: () => [],
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},
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placeholder: { type: String, default: "请选择" },
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disabled: { type: Boolean, default: false },
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border: { type: Boolean, default: true },
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ariaLabel: { type: String, default: "" },
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buttonClass: { type: String, default: "" },
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menuClass: { type: String, default: "" },
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});
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const emit = defineEmits(["update:modelValue", "change", "blur"]);
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const rootRef = ref(null);
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const buttonRef = ref(null);
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const menuRef = ref(null);
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const optionRefs = ref([]);
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const isOpen = ref(false);
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const activeIndex = ref(-1);
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const menuStyle = ref({});
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const normalizedOptions = computed(() => props.options.map((option) => {
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if (typeof option === "string") {
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return { label: option, value: option };
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}
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return {
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label: option?.label ?? option?.value ?? "",
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value: option?.value ?? "",
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icon: option?.icon ?? option?.iconClass ?? "",
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};
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}));
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const selectedOption = computed(() => normalizedOptions.value.find((option) => option.value === props.modelValue) ?? null);
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const selectedLabel = computed(() => selectedOption.value?.label || props.placeholder);
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function setOptionRef(el, index) {
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if (el) {
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optionRefs.value[index] = el;
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return;
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}
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delete optionRefs.value[index];
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}
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function focusActiveOption() {
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nextTick(() => {
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const option = optionRefs.value[activeIndex.value];
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option?.focus();
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});
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}
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function openMenu() {
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if (props.disabled || isOpen.value) {
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return;
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}
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isOpen.value = true;
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const selectedIndex = normalizedOptions.value.findIndex((option) => option.value === props.modelValue);
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activeIndex.value = selectedIndex >= 0 ? selectedIndex : 0;
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nextTick(() => {
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updatePosition();
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focusActiveOption();
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});
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}
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function closeMenu({ restoreFocus = false } = {}) {
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if (!isOpen.value) {
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return;
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}
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isOpen.value = false;
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activeIndex.value = -1;
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optionRefs.value = [];
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menuStyle.value = {};
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if (restoreFocus) {
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nextTick(() => buttonRef.value?.focus());
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}
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emit("blur");
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}
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function toggleMenu() {
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if (isOpen.value) {
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closeMenu();
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return;
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}
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openMenu();
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}
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function selectOption(option) {
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if (!option || option.value === props.modelValue) {
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closeMenu({ restoreFocus: true });
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return;
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}
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emit("update:modelValue", option.value);
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emit("change", option.value);
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closeMenu({ restoreFocus: true });
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}
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function moveActiveIndex(step) {
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if (!normalizedOptions.value.length) {
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return;
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}
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if (!isOpen.value) {
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openMenu();
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return;
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}
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const total = normalizedOptions.value.length;
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const current = activeIndex.value >= 0 ? activeIndex.value : 0;
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activeIndex.value = (current + step + total) % total;
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focusActiveOption();
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}
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function handleButtonKeydown(event) {
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if (props.disabled) {
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return;
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}
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switch (event.key) {
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case "ArrowDown":
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event.preventDefault();
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moveActiveIndex(1);
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break;
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case "ArrowUp":
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event.preventDefault();
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moveActiveIndex(-1);
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break;
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case "Enter":
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case " ":
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event.preventDefault();
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toggleMenu();
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break;
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case "Escape":
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if (isOpen.value) {
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event.preventDefault();
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closeMenu();
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}
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break;
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default:
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break;
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}
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}
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function handleOptionKeydown(event, option, index) {
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switch (event.key) {
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case "ArrowDown":
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event.preventDefault();
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activeIndex.value = index;
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moveActiveIndex(1);
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break;
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case "ArrowUp":
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event.preventDefault();
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activeIndex.value = index;
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moveActiveIndex(-1);
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break;
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case "Enter":
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case " ":
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event.preventDefault();
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selectOption(option);
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break;
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case "Escape":
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event.preventDefault();
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closeMenu({ restoreFocus: true });
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break;
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case "Tab":
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closeMenu();
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break;
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default:
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break;
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}
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}
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function handlePointerDown(event) {
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if (rootRef.value?.contains(event.target) || menuRef.value?.contains(event.target)) {
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return;
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}
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closeMenu();
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}
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function updatePosition() {
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if (!buttonRef.value || !menuRef.value) {
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return;
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}
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computePosition(buttonRef.value, menuRef.value, {
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placement: "bottom-start",
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middleware: [
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offset(6),
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flip({ padding: 12 }),
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shift({ padding: 12 }),
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size({
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apply({ rects, elements, availableHeight }) {
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Object.assign(elements.floating.style, {
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minWidth: `${rects.reference.width}px`,
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maxHeight: `${Math.max(availableHeight, 160)}px`,
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});
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},
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padding: 12,
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}),
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],
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}).then(({ x, y }) => {
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menuStyle.value = {
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left: `${x}px`,
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top: `${y}px`,
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};
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});
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}
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watchPostEffect((cleanup) => {
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if (!isOpen.value || !buttonRef.value || !menuRef.value) {
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return;
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}
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const stopAutoUpdate = autoUpdate(buttonRef.value, menuRef.value, updatePosition);
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cleanup(() => {
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stopAutoUpdate();
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});
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});
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watch(() => props.modelValue, () => {
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if (!isOpen.value) {
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return;
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}
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const selectedIndex = normalizedOptions.value.findIndex((option) => option.value === props.modelValue);
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activeIndex.value = selectedIndex >= 0 ? selectedIndex : 0;
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});
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watch(isOpen, (open) => {
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if (open) {
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document.addEventListener("pointerdown", handlePointerDown);
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return;
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}
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document.removeEventListener("pointerdown", handlePointerDown);
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});
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onBeforeUnmount(() => {
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document.removeEventListener("pointerdown", handlePointerDown);
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});
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</script>
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<template>
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<div ref="rootRef" class="relative">
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<button
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ref="buttonRef"
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type="button"
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:disabled="disabled"
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class="flex h-9 items-center rounded-[6px] bg-[#232323] px-3 text-left text-sm text-[#e5e5e5] outline-none transition-colors disabled:cursor-not-allowed disabled:opacity-60"
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:class="[
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border
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? 'w-full justify-between gap-2 border border-[#3f3f3f] focus:border-[#10AD5D]'
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: 'w-auto justify-start gap-2 border border-transparent focus-visible:ring-2 focus-visible:ring-[#10AD5D]/35',
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buttonClass,
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]"
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:aria-expanded="isOpen"
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:aria-label="ariaLabel || undefined"
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aria-haspopup="listbox"
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@click="toggleMenu"
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@keydown="handleButtonKeydown"
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>
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<span
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class="flex min-w-0 items-center gap-2"
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:class="[
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border ? 'flex-1' : 'shrink-0',
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selectedOption
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? (border ? 'text-[#e5e5e5]' : 'text-current')
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: 'text-[#7b7b7b]',
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]"
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>
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<span v-if="selectedOption?.icon" :class="[selectedOption.icon, 'text-[16px] shrink-0']" aria-hidden="true"></span>
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<span class="truncate">{{ selectedLabel }}</span>
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</span>
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<span
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class="pointer-events-none center-row transition-transform duration-200"
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:class="[border ? 'text-[#8f8f8f]' : 'text-current', isOpen ? 'rotate-180' : '']"
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>
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<span class="icon-[mdi--chevron-down] text-[18px]"></span>
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</span>
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</button>
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</div>
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<Teleport to="body">
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<Transition
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enter-active-class="transition duration-150 ease-out"
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enter-from-class="translate-y-1 opacity-0"
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enter-to-class="translate-y-0 opacity-100"
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leave-active-class="transition duration-100 ease-in"
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leave-from-class="translate-y-0 opacity-100"
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leave-to-class="translate-y-1 opacity-0"
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>
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<div
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v-if="isOpen"
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ref="menuRef"
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class="fixed z-[999] overflow-hidden rounded-[8px] border border-[#3f3f3f] bg-[#232323] p-1 shadow-[0_16px_30px_-12px_rgba(0,0,0,0.7)]"
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:class="menuClass"
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:style="menuStyle"
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>
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<ul role="listbox" class="overflow-y-auto py-1">
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<li v-for="(option, index) in normalizedOptions" :key="option.value">
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<button
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:ref="(el) => setOptionRef(el, index)"
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type="button"
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role="option"
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class="flex w-full items-center rounded-[6px] px-3 py-2 text-left text-sm outline-none transition-colors"
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:class="[
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option.value === modelValue
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? 'bg-[#10AD5D]/15 text-[#10d06f]'
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: 'text-[#e5e5e5] hover:bg-[#303030]',
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activeIndex === index ? 'bg-[#303030]' : '',
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]"
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:aria-selected="option.value === modelValue"
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tabindex="0"
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@click="selectOption(option)"
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@mouseenter="activeIndex = index"
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@keydown="handleOptionKeydown($event, option, index)"
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>
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<span class="flex min-w-0 items-center gap-2">
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<span v-if="option.icon" :class="[option.icon, 'text-[16px] shrink-0']" aria-hidden="true"></span>
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<span class="truncate">{{ option.label }}</span>
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</span>
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</button>
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</li>
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</ul>
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</div>
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</Transition>
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</Teleport>
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</template>
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