初始版本提交

src/directives/clickOutside.ts

@@ -0,0 +1,86 @@
+import { on } from '/@/utils/domUtils';
+import { isServer } from '/@/utils/is';
+import type { ComponentPublicInstance, DirectiveBinding, ObjectDirective } from 'vue';
+
+type DocumentHandler = <T extends MouseEvent>(mouseup: T, mousedown: T) => void;
+
+type FlushList = Map<
+  HTMLElement,
+  {
+    documentHandler: DocumentHandler;
+    bindingFn: (...args: unknown[]) => unknown;
+  }
+>;
+
+const nodeList: FlushList = new Map();
+
+let startClick: MouseEvent;
+
+if (!isServer) {
+  on(document, 'mousedown', (e: MouseEvent) => (startClick = e));
+  on(document, 'mouseup', (e: MouseEvent) => {
+    for (const { documentHandler } of nodeList.values()) {
+      documentHandler(e, startClick);
+    }
+  });
+}
+
+function createDocumentHandler(el: HTMLElement, binding: DirectiveBinding): DocumentHandler {
+  let excludes: HTMLElement[] = [];
+  if (Array.isArray(binding.arg)) {
+    excludes = binding.arg;
+  } else {
+    // due to current implementation on binding type is wrong the type casting is necessary here
+    excludes.push(binding.arg as unknown as HTMLElement);
+  }
+  return function (mouseup, mousedown) {
+    const popperRef = (
+      binding.instance as ComponentPublicInstance<{
+        popperRef: Nullable<HTMLElement>;
+      }>
+    ).popperRef;
+    const mouseUpTarget = mouseup.target as Node;
+    const mouseDownTarget = mousedown.target as Node;
+    const isBound = !binding || !binding.instance;
+    const isTargetExists = !mouseUpTarget || !mouseDownTarget;
+    const isContainedByEl = el.contains(mouseUpTarget) || el.contains(mouseDownTarget);
+    const isSelf = el === mouseUpTarget;
+
+    const isTargetExcluded =
+      (excludes.length && excludes.some((item) => item?.contains(mouseUpTarget))) ||
+      (excludes.length && excludes.includes(mouseDownTarget as HTMLElement));
+    const isContainedByPopper =
+      popperRef && (popperRef.contains(mouseUpTarget) || popperRef.contains(mouseDownTarget));
+    if (
+      isBound ||
+      isTargetExists ||
+      isContainedByEl ||
+      isSelf ||
+      isTargetExcluded ||
+      isContainedByPopper
+    ) {
+      return;
+    }
+    binding.value();
+  };
+}
+
+const ClickOutside: ObjectDirective = {
+  beforeMount(el, binding) {
+    nodeList.set(el, {
+      documentHandler: createDocumentHandler(el, binding),
+      bindingFn: binding.value,
+    });
+  },
+  updated(el, binding) {
+    nodeList.set(el, {
+      documentHandler: createDocumentHandler(el, binding),
+      bindingFn: binding.value,
+    });
+  },
+  unmounted(el) {
+    nodeList.delete(el);
+  },
+};
+
+export default ClickOutside;