Initial commit

node_modules/react-resizable-panels/src/utils/callPanelCallbacks.ts

@@ -0,0 +1,49 @@
+import { PanelData } from "../Panel";
+import { assert } from "./assert";
+import { fuzzyNumbersEqual } from "./numbers/fuzzyCompareNumbers";
+
+// Layout should be pre-converted into percentages
+export function callPanelCallbacks(
+  panelsArray: PanelData[],
+  layout: number[],
+  panelIdToLastNotifiedSizeMap: Record<string, number>
+) {
+  layout.forEach((size, index) => {
+    const panelData = panelsArray[index];
+    assert(panelData, `Panel data not found for index ${index}`);
+
+    const { callbacks, constraints, id: panelId } = panelData;
+    const { collapsedSize = 0, collapsible } = constraints;
+
+    const lastNotifiedSize = panelIdToLastNotifiedSizeMap[panelId];
+    if (lastNotifiedSize == null || size !== lastNotifiedSize) {
+      panelIdToLastNotifiedSizeMap[panelId] = size;
+
+      const { onCollapse, onExpand, onResize } = callbacks;
+
+      if (onResize) {
+        onResize(size, lastNotifiedSize);
+      }
+
+      if (collapsible && (onCollapse || onExpand)) {
+        if (
+          onExpand &&
+          (lastNotifiedSize == null ||
+            fuzzyNumbersEqual(lastNotifiedSize, collapsedSize)) &&
+          !fuzzyNumbersEqual(size, collapsedSize)
+        ) {
+          onExpand();
+        }
+
+        if (
+          onCollapse &&
+          (lastNotifiedSize == null ||
+            !fuzzyNumbersEqual(lastNotifiedSize, collapsedSize)) &&
+          fuzzyNumbersEqual(size, collapsedSize)
+        ) {
+          onCollapse();
+        }
+      }
+    }
+  });
+}