1

2026-05-25 17:08:18 +08:00
parent df501f6151
commit f1259b71b5
9178 changed files with 1626125 additions and 0 deletions
@@ -0,0 +1,97 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useTarget;
+var _useEvent = _interopRequireDefault(require("@rc-component/util/lib/hooks/useEvent"));
+var _useLayoutEffect = _interopRequireDefault(require("@rc-component/util/lib/hooks/useLayoutEffect"));
+var _react = require("react");
+var _util = require("../util");
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+function isValidNumber(val) {
+  return typeof val === 'number' && !Number.isNaN(val);
+}
+function useTarget(target, open, gap, scrollIntoViewOptions, inlineMode, placeholderRef) {
+  // ========================= Target =========================
+  // We trade `undefined` as not get target by function yet.
+  // `null` as empty target.
+  const [targetElement, setTargetElement] = (0, _react.useState)(undefined);
+  (0, _useLayoutEffect.default)(() => {
+    const nextElement = typeof target === 'function' ? target() : target;
+    setTargetElement(nextElement || null);
+  });
+
+  // ========================= Align ==========================
+  const [posInfo, setPosInfo] = (0, _react.useState)(null);
+  const updatePos = (0, _useEvent.default)(() => {
+    if (targetElement) {
+      // Exist target element. We should scroll and get target position
+      if (!inlineMode && !(0, _util.isInViewPort)(targetElement) && open) {
+        targetElement.scrollIntoView(scrollIntoViewOptions);
+      }
+      const {
+        left,
+        top,
+        width,
+        height
+      } = targetElement.getBoundingClientRect();
+      const nextPosInfo = {
+        left,
+        top,
+        width,
+        height,
+        radius: 0
+      };
+
+      // If `inlineMode` we need cut off parent offset
+      if (inlineMode) {
+        const parentRect = placeholderRef.current?.parentElement?.getBoundingClientRect();
+        if (parentRect) {
+          nextPosInfo.left -= parentRect.left;
+          nextPosInfo.top -= parentRect.top;
+        }
+      }
+      setPosInfo(origin => {
+        if (JSON.stringify(origin) !== JSON.stringify(nextPosInfo)) {
+          return nextPosInfo;
+        }
+        return origin;
+      });
+    } else {
+      // Not exist target which means we just show in center
+      setPosInfo(null);
+    }
+  });
+  const getGapOffset = index => (Array.isArray(gap?.offset) ? gap?.offset[index] : gap?.offset) ?? 6;
+  (0, _useLayoutEffect.default)(() => {
+    updatePos();
+    // update when window resize
+    window.addEventListener('resize', updatePos);
+    // update when `document.body.style.overflow` is set to visible
+    // by default, it will be set to hidden
+    window.addEventListener('scroll', updatePos);
+    return () => {
+      window.removeEventListener('resize', updatePos);
+      window.removeEventListener('scroll', updatePos);
+    };
+  }, [targetElement, open, updatePos]);
+
+  // ======================== PosInfo =========================
+  const mergedPosInfo = (0, _react.useMemo)(() => {
+    if (!posInfo) {
+      return posInfo;
+    }
+    const gapOffsetX = getGapOffset(0);
+    const gapOffsetY = getGapOffset(1);
+    const gapRadius = isValidNumber(gap?.radius) ? gap?.radius : 2;
+    return {
+      left: posInfo.left - gapOffsetX,
+      top: posInfo.top - gapOffsetY,
+      width: posInfo.width + gapOffsetX * 2,
+      height: posInfo.height + gapOffsetY * 2,
+      radius: gapRadius
+    };
+  }, [posInfo, gap]);
+  return [mergedPosInfo, targetElement];
+}