1

2026-05-25 17:08:18 +08:00
parent df501f6151
commit f1259b71b5
9178 changed files with 1626125 additions and 0 deletions
@@ -0,0 +1,89 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useResizeObserver;
+var React = _interopRequireWildcard(require("react"));
+var _observerUtil = require("./utils/observerUtil");
+var _util = require("@rc-component/util");
+function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
+function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
+function useResizeObserver(enabled, getTarget, onDelayResize, onSyncResize) {
+  // ============================= Size =============================
+  const sizeRef = React.useRef({
+    width: -1,
+    height: -1,
+    offsetWidth: -1,
+    offsetHeight: -1
+  });
+
+  // =========================== Observe ============================
+
+  // Handler
+  const onInternalResize = (0, _util.useEvent)(target => {
+    const {
+      width,
+      height
+    } = target.getBoundingClientRect();
+    const {
+      offsetWidth,
+      offsetHeight
+    } = target;
+
+    /**
+     * Resize observer trigger when content size changed.
+     * In most case we just care about element size,
+     * let's use `boundary` instead of `contentRect` here to avoid shaking.
+     */
+    const fixedWidth = Math.floor(width);
+    const fixedHeight = Math.floor(height);
+    if (sizeRef.current.width !== fixedWidth || sizeRef.current.height !== fixedHeight || sizeRef.current.offsetWidth !== offsetWidth || sizeRef.current.offsetHeight !== offsetHeight) {
+      const size = {
+        width: fixedWidth,
+        height: fixedHeight,
+        offsetWidth,
+        offsetHeight
+      };
+      sizeRef.current = size;
+
+      // IE is strange, right?
+      const mergedOffsetWidth = offsetWidth === Math.round(width) ? width : offsetWidth;
+      const mergedOffsetHeight = offsetHeight === Math.round(height) ? height : offsetHeight;
+      const sizeInfo = {
+        ...size,
+        offsetWidth: mergedOffsetWidth,
+        offsetHeight: mergedOffsetHeight
+      };
+
+      // Call the callback immediately, let the caller decide whether to defer
+      // onResize(sizeInfo, target);
+      onSyncResize?.(sizeInfo, target);
+
+      // defer the callback but not defer to next frame
+      Promise.resolve().then(() => {
+        onDelayResize?.(sizeInfo, target);
+      });
+    }
+  });
+
+  // Dynamic observe
+  const isFuncTarget = typeof getTarget === 'function';
+  const funcTargetIdRef = React.useRef(0);
+  React.useEffect(() => {
+    const target = isFuncTarget ? getTarget() : getTarget;
+    if (target && enabled) {
+      (0, _observerUtil.observe)(target, onInternalResize);
+    } else if (enabled && isFuncTarget) {
+      funcTargetIdRef.current += 1;
+    }
+    return () => {
+      if (target) {
+        (0, _observerUtil.unobserve)(target, onInternalResize);
+      }
+    };
+  }, [enabled,
+  // If function target resolves after a parent render, the bumped ref value
+  // lets the next render re-run this effect without watching the function identity.
+  isFuncTarget ? funcTargetIdRef.current : getTarget]);
+}