one/dist/cjs/views/ScrollBehavior.cjs

One is a new React Framework that makes Vite serve both native and web.

var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all) __defProp(target, name, {
    get: all[name],
    enumerable: true
  });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from)) if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, {
      get: () => from[key],
      enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable
    });
  }
  return to;
};
var __toCommonJS = mod => __copyProps(__defProp({}, "__esModule", {
  value: true
}), mod);
var ScrollBehavior_exports = {};
__export(ScrollBehavior_exports, {
  ScrollBehavior: () => ScrollBehavior,
  registerScrollGroup: () => registerScrollGroup
});
module.exports = __toCommonJS(ScrollBehavior_exports);
var import_react = require("react");
var import_lastAction = require("../router/lastAction.cjs");
var import_router = require("../router/router.cjs");
const KEY = "one-sr";
const GROUP_KEY = "one-sr-groups";
const getState = () => JSON.parse(sessionStorage.getItem(KEY) || "{}");
const getGroupState = () => JSON.parse(sessionStorage.getItem(GROUP_KEY) || "{}");
let isFirstLoad = true;
let activeGroups = /* @__PURE__ */new Set();
function registerScrollGroup(groupId) {
  activeGroups.add(groupId);
  return () => {
    activeGroups.delete(groupId);
  };
}
function getGroupKey(pathname) {
  let longestMatch = null;
  for (const group of activeGroups) {
    if (pathname.startsWith(group) && (!longestMatch || group.length > longestMatch.length)) {
      longestMatch = group;
    }
  }
  return longestMatch;
}
function restorePosition() {
  try {
    const positions = getState();
    const saved = positions[window.location.pathname];
    if (typeof saved === "number") {
      setTimeout(() => {
        window.scrollTo(0, saved);
      });
    }
  } catch (error) {
    console.error(`Error restoring scroll position`, error);
    sessionStorage.removeItem(KEY);
  }
}
function restoreGroupPosition(groupId) {
  try {
    const positions = getGroupState();
    const saved = positions[groupId];
    if (typeof saved === "number") {
      setTimeout(() => {
        window.scrollTo(0, saved);
      });
    }
  } catch (error) {
    console.error(`Error restoring scroll position for group ${groupId}`, error);
    sessionStorage.removeItem(GROUP_KEY);
  }
}
let didPop = false;
let previousPathname = null;
function rememberScrollPosition() {
  didPop = false;
  const pathname = window.location.pathname;
  const state = getState();
  state[pathname] = window.scrollY;
  sessionStorage.setItem(KEY, JSON.stringify(state));
  const groupKey = getGroupKey(pathname);
  if (groupKey) {
    const groupState = getGroupState();
    groupState[groupKey] = window.scrollY;
    sessionStorage.setItem(GROUP_KEY, JSON.stringify(groupState));
  }
  previousPathname = pathname;
}
let disable = null;
function configure(props) {
  if (typeof window === "undefined" || !window.addEventListener) {
    return;
  }
  disable?.();
  const popStateController = new AbortController();
  window.addEventListener("popstate", () => {
    didPop = true;
    (0, import_lastAction.setLastAction)();
  }, {
    signal: popStateController.signal
  });
  const disposeOnLoadState = (0, import_router.subscribeToLoadingState)(state => {
    if (state === "loading") {
      rememberScrollPosition();
    }
  });
  const disposeOnRootState = (0, import_router.subscribeToRootState)(state => {
    if (isFirstLoad) {
      isFirstLoad = false;
      previousPathname = window.location.pathname;
      return;
    }
    if (state.linkOptions?.scroll === false) {
      return;
    }
    const {
      hash
    } = state;
    const currentPathname = window.location.pathname;
    if (hash) {
      setTimeout(() => {
        scrollToHash(hash);
      });
    } else if (didPop) {
      if (props.disable !== "restore") {
        restorePosition();
      }
    } else {
      const prevGroup = previousPathname ? getGroupKey(previousPathname) : null;
      const currentGroup = getGroupKey(currentPathname);
      if (prevGroup && currentGroup && prevGroup === currentGroup) {
        restoreGroupPosition(currentGroup);
      } else if (state.linkOptions?.scrollGroup) {
        restoreGroupPosition(state.linkOptions.scrollGroup);
      } else {
        window.scrollTo(0, 0);
      }
    }
    previousPathname = currentPathname;
  });
  disable = () => {
    popStateController.abort();
    disposeOnLoadState();
    disposeOnRootState();
  };
  return disable;
}
function scrollToHash(hash) {
  if (!hash || !hash.startsWith("#")) return;
  const id = hash.slice(1);
  const el = document.getElementById(id);
  if (!el) return;
  el.scrollIntoView({
    behavior: "instant"
  });
}
function ScrollBehavior(props) {
  if (process.env.VITE_ENVIRONMENT === "client") {
    (0, import_react.useEffect)(() => {
      if (window.location.hash) {
        scrollToHash(window.location.hash);
      }
    }, []);
    (0, import_react.useEffect)(() => {
      return configure(props);
    }, [props.disable]);
  }
  return null;
}