one/dist/cjs/views/PreloadLinks.cjs

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

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
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 __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", {
  value: mod,
  enumerable: true
}) : target, mod));
var __toCommonJS = mod => __copyProps(__defProp({}, "__esModule", {
  value: true
}), mod);
var PreloadLinks_exports = {};
__export(PreloadLinks_exports, {
  PreloadLinks: () => PreloadLinks
});
module.exports = __toCommonJS(PreloadLinks_exports);
var import_react = require("react");
var import_getURL = require("../getURL.cjs");
var import_router = require("../router/router.cjs");
const import_meta = {};
const PREFETCH_MODE = process.env.ONE_LINK_PREFETCH || "intent";
function getHrefFromTarget(url, target) {
  if (!(target instanceof HTMLElement)) return null;
  const anchor = target instanceof HTMLAnchorElement ? target : target.closest("a");
  if (!(anchor instanceof HTMLAnchorElement)) return null;
  const href = anchor.getAttribute("href");
  if (!href) return null;
  if (href[0] === "/" || href.startsWith(url)) {
    return href.replace(url, "");
  }
  return null;
}
function PreloadLinks() {
  if (typeof window === "undefined") {
    return null;
  }
  if (!import_meta.env.PROD) {
    (0, import_react.useEffect)(() => {
      const url = (0, import_getURL.getURL)();
      const controller = new AbortController();
      document.addEventListener("mouseover", e => {
        const href = getHrefFromTarget(url, e.target);
        if (href) (0, import_router.preloadRoute)(href);
      }, {
        passive: true,
        signal: controller.signal
      });
      return () => controller.abort();
    }, []);
    return null;
  }
  if (PREFETCH_MODE === "false") {
    return null;
  }
  const cleanupRef = (0, import_react.useRef)(null);
  (0, import_react.useEffect)(() => {
    const url = (0, import_getURL.getURL)();
    if (PREFETCH_MODE === "hover") {
      const controller = new AbortController();
      document.addEventListener("mouseover", e => {
        const href = getHrefFromTarget(url, e.target);
        if (href) (0, import_router.preloadRoute)(href);
      }, {
        passive: true,
        signal: controller.signal
      });
      return () => controller.abort();
    }
    if (PREFETCH_MODE === "viewport") {
      import("../link/prefetchViewport").then(({
        startPrefetchViewport,
        observePrefetchViewport
      }) => {
        startPrefetchViewport(import_router.preloadRoute);
        const cleanups = [];
        const seen = /* @__PURE__ */new WeakSet();
        const observeLinks = () => {
          const links = document.querySelectorAll('a[href^="/"], a[href^="' + url + '"]');
          links.forEach(link => {
            if (seen.has(link)) return;
            seen.add(link);
            const href = link.getAttribute("href");
            if (href) {
              cleanups.push(observePrefetchViewport(link, href.replace(url, "")));
            }
          });
        };
        observeLinks();
        let timeout;
        const observer = new MutationObserver(() => {
          clearTimeout(timeout);
          timeout = setTimeout(observeLinks, 100);
        });
        observer.observe(document.body, {
          childList: true,
          subtree: true
        });
        cleanupRef.current = () => {
          clearTimeout(timeout);
          cleanups.forEach(c => c());
          observer.disconnect();
        };
      });
      return () => cleanupRef.current?.();
    }
    if (PREFETCH_MODE === "intent") {
      const controller = new AbortController();
      import("../link/prefetchIntent").then(({
        startPrefetchIntent,
        observePrefetchIntent
      }) => {
        startPrefetchIntent(import_router.preloadRoute);
        const cleanups = [];
        const seen = /* @__PURE__ */new WeakSet();
        const observeLinks = () => {
          const links = document.querySelectorAll('a[href^="/"], a[href^="' + url + '"]');
          links.forEach(link => {
            if (seen.has(link)) return;
            seen.add(link);
            const href = link.getAttribute("href");
            if (href) {
              cleanups.push(observePrefetchIntent(link, href.replace(url, "")));
            }
          });
        };
        observeLinks();
        let timeout;
        const observer = new MutationObserver(() => {
          clearTimeout(timeout);
          timeout = setTimeout(observeLinks, 100);
        });
        observer.observe(document.body, {
          childList: true,
          subtree: true
        });
        cleanupRef.current = () => {
          clearTimeout(timeout);
          cleanups.forEach(c => c());
          observer.disconnect();
        };
        document.addEventListener("mouseover", e => {
          const href = getHrefFromTarget(url, e.target);
          if (href) (0, import_router.preloadRoute)(href);
        }, {
          passive: true,
          signal: controller.signal
        });
      });
      return () => {
        controller.abort();
        cleanupRef.current?.();
      };
    }
  }, []);
  return null;
}