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admin/node_modules/element-plus/lib/components/roving-focus-group/src/roving-focus-item.js

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+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var vue = require('vue');
+var rovingFocusGroup = require('./roving-focus-group.js');
+var tokens = require('./tokens.js');
+var utils = require('./utils.js');
+var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
+var index = require('../../../hooks/use-id/index.js');
+var event = require('../../../utils/dom/event.js');
+var aria = require('../../../constants/aria.js');
+
+const _sfc_main = vue.defineComponent({
+  components: {
+    ElRovingFocusCollectionItem: rovingFocusGroup.ElCollectionItem
+  },
+  props: {
+    focusable: {
+      type: Boolean,
+      default: true
+    },
+    active: Boolean
+  },
+  emits: ["mousedown", "focus", "keydown"],
+  setup(props, { emit }) {
+    const { currentTabbedId, loop, onItemFocus, onItemShiftTab } = vue.inject(tokens.ROVING_FOCUS_GROUP_INJECTION_KEY, void 0);
+    const { getItems } = vue.inject(rovingFocusGroup.ROVING_FOCUS_COLLECTION_INJECTION_KEY, void 0);
+    const id = index.useId();
+    const rovingFocusGroupItemRef = vue.ref();
+    const handleMousedown = event.composeEventHandlers((e) => {
+      emit("mousedown", e);
+    }, (e) => {
+      if (!props.focusable) {
+        e.preventDefault();
+      } else {
+        onItemFocus(vue.unref(id));
+      }
+    });
+    const handleFocus = event.composeEventHandlers((e) => {
+      emit("focus", e);
+    }, () => {
+      onItemFocus(vue.unref(id));
+    });
+    const handleKeydown = event.composeEventHandlers((e) => {
+      emit("keydown", e);
+    }, (e) => {
+      const { code, shiftKey, target, currentTarget } = e;
+      if (code === aria.EVENT_CODE.tab && shiftKey) {
+        onItemShiftTab();
+        return;
+      }
+      if (target !== currentTarget)
+        return;
+      const focusIntent = utils.getFocusIntent(e);
+      if (focusIntent) {
+        e.preventDefault();
+        const items = getItems().filter((item) => item.focusable);
+        let elements = items.map((item) => item.ref);
+        switch (focusIntent) {
+          case "last": {
+            elements.reverse();
+            break;
+          }
+          case "prev":
+          case "next": {
+            if (focusIntent === "prev") {
+              elements.reverse();
+            }
+            const currentIdx = elements.indexOf(currentTarget);
+            elements = loop.value ? utils.reorderArray(elements, currentIdx + 1) : elements.slice(currentIdx + 1);
+            break;
+          }
+        }
+        vue.nextTick(() => {
+          utils.focusFirst(elements);
+        });
+      }
+    });
+    const isCurrentTab = vue.computed(() => currentTabbedId.value === vue.unref(id));
+    vue.provide(tokens.ROVING_FOCUS_GROUP_ITEM_INJECTION_KEY, {
+      rovingFocusGroupItemRef,
+      tabIndex: vue.computed(() => vue.unref(isCurrentTab) ? 0 : -1),
+      handleMousedown,
+      handleFocus,
+      handleKeydown
+    });
+    return {
+      id,
+      handleKeydown,
+      handleFocus,
+      handleMousedown
+    };
+  }
+});
+function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
+  const _component_el_roving_focus_collection_item = vue.resolveComponent("el-roving-focus-collection-item");
+  return vue.openBlock(), vue.createBlock(_component_el_roving_focus_collection_item, {
+    id: _ctx.id,
+    focusable: _ctx.focusable,
+    active: _ctx.active
+  }, {
+    default: vue.withCtx(() => [
+      vue.renderSlot(_ctx.$slots, "default")
+    ]),
+    _: 3
+  }, 8, ["id", "focusable", "active"]);
+}
+var ElRovingFocusItem = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["render", _sfc_render], ["__file", "roving-focus-item.vue"]]);
+
+exports["default"] = ElRovingFocusItem;
+//# sourceMappingURL=roving-focus-item.js.map