Jesus sucks

backend/frontend/node_modules/@mui/material/node/useScrollTrigger/useScrollTrigger.js

@@ -0,0 +1,61 @@
+"use strict";
+'use client';
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useScrollTrigger;
+var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
+var _objectWithoutPropertiesLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/objectWithoutPropertiesLoose"));
+var React = _interopRequireWildcard(require("react"));
+const _excluded = ["getTrigger", "target"];
+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 defaultTrigger(store, options) {
+  const {
+    disableHysteresis = false,
+    threshold = 100,
+    target
+  } = options;
+  const previous = store.current;
+  if (target) {
+    // Get vertical scroll
+    store.current = target.pageYOffset !== undefined ? target.pageYOffset : target.scrollTop;
+  }
+  if (!disableHysteresis && previous !== undefined) {
+    if (store.current < previous) {
+      return false;
+    }
+  }
+  return store.current > threshold;
+}
+const defaultTarget = typeof window !== 'undefined' ? window : null;
+function useScrollTrigger(options = {}) {
+  const {
+      getTrigger = defaultTrigger,
+      target = defaultTarget
+    } = options,
+    other = (0, _objectWithoutPropertiesLoose2.default)(options, _excluded);
+  const store = React.useRef();
+  const [trigger, setTrigger] = React.useState(() => getTrigger(store, other));
+  React.useEffect(() => {
+    const handleScroll = () => {
+      setTrigger(getTrigger(store, (0, _extends2.default)({
+        target
+      }, other)));
+    };
+    handleScroll(); // Re-evaluate trigger when dependencies change
+    target.addEventListener('scroll', handleScroll, {
+      passive: true
+    });
+    return () => {
+      target.removeEventListener('scroll', handleScroll, {
+        passive: true
+      });
+    };
+    // See Option 3. https://github.com/facebook/react/issues/14476#issuecomment-471199055
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [target, getTrigger, JSON.stringify(other)]);
+  return trigger;
+}