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node_modules/@fluentui/utilities/lib/safeRequestAnimationFrame.js

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+import { extendComponent } from './extendComponent';
+/**
+ * Generates a function to be attached to a React component, which can be called
+ * as a replacement to RAF. In-flight async calls will be auto canceled if the component
+ * is unmounting before the async code is executed, preventing bugs where code
+ * accesses things within the component after being unmounted.
+ */
+export var safeRequestAnimationFrame = function (component) {
+    var activeTimeouts;
+    return function (cb) {
+        if (!activeTimeouts) {
+            activeTimeouts = new Set();
+            extendComponent(component, {
+                componentWillUnmount: function () {
+                    activeTimeouts.forEach(function (id) { return cancelAnimationFrame(id); });
+                },
+            });
+        }
+        var timeoutId = requestAnimationFrame(function () {
+            activeTimeouts.delete(timeoutId);
+            cb();
+        });
+        activeTimeouts.add(timeoutId);
+    };
+};
+//# sourceMappingURL=safeRequestAnimationFrame.js.map