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admin/node_modules/element-plus/lib/components/slot/src/only-child.js

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+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var vue = require('vue');
+var index = require('../../../hooks/use-forward-ref/index.js');
+var shared = require('@vue/shared');
+var index$1 = require('../../../hooks/use-namespace/index.js');
+
+const NAME = "ElOnlyChild";
+const OnlyChild = vue.defineComponent({
+  name: NAME,
+  setup(_, {
+    slots,
+    attrs
+  }) {
+    var _a;
+    const forwardRefInjection = vue.inject(index.FORWARD_REF_INJECTION_KEY);
+    const forwardRefDirective = index.useForwardRefDirective((_a = forwardRefInjection == null ? void 0 : forwardRefInjection.setForwardRef) != null ? _a : shared.NOOP);
+    return () => {
+      var _a2;
+      const defaultSlot = (_a2 = slots.default) == null ? void 0 : _a2.call(slots, attrs);
+      if (!defaultSlot)
+        return null;
+      const [firstLegitNode, length] = findFirstLegitChild(defaultSlot);
+      if (!firstLegitNode) {
+        return null;
+      }
+      return vue.withDirectives(vue.cloneVNode(firstLegitNode, attrs), [[forwardRefDirective]]);
+    };
+  }
+});
+function findFirstLegitChild(node) {
+  if (!node)
+    return [null, 0];
+  const children = node;
+  const len = children.filter((c) => c.type !== vue.Comment).length;
+  for (const child of children) {
+    if (shared.isObject(child)) {
+      switch (child.type) {
+        case vue.Comment:
+          continue;
+        case vue.Text:
+        case "svg":
+          return [wrapTextContent(child), len];
+        case vue.Fragment:
+          return findFirstLegitChild(child.children);
+        default:
+          return [child, len];
+      }
+    }
+    return [wrapTextContent(child), len];
+  }
+  return [null, 0];
+}
+function wrapTextContent(s) {
+  const ns = index$1.useNamespace("only-child");
+  return vue.createVNode("span", {
+    "class": ns.e("content")
+  }, [s]);
+}
+
+exports.OnlyChild = OnlyChild;
+//# sourceMappingURL=only-child.js.map