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,
  __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
    for (var name in all) __defProp(target, name, {
      get: all[name],
      enumerable: !0
    });
  },
  __copyProps = (to, from, except, desc) => {
    if (from && typeof from == "object" || typeof from == "function") for (let key of __getOwnPropNames(from)) !__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: !0
  }) : target, mod)),
  __toCommonJS = mod => __copyProps(__defProp({}, "__esModule", {
    value: !0
  }), mod);
var PreloadLinks_exports = {};
__export(PreloadLinks_exports, {
  PreloadLinks: () => PreloadLinks
});
module.exports = __toCommonJS(PreloadLinks_exports);
var import_react = require("react"),
  import_getURL = require("../getURL.cjs"),
  import_router = require("../router/router.cjs");
const import_meta = {},
  PREFETCH_MODE = process.env.ONE_LINK_PREFETCH || "intent";
function PreloadLinks() {
  if (typeof window > "u" || !import_meta.env.PROD || PREFETCH_MODE === "false") return null;
  const cleanupRef = (0, import_react.useRef)(null);
  return (0, import_react.useEffect)(() => {
    const url = (0, import_getURL.getURL)(),
      getHrefFromTarget = 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");
        return href && (href[0] === "/" || href.startsWith(url)) ? href.replace(url, "") : null;
      };
    if (PREFETCH_MODE === "hover") {
      const controller = new AbortController();
      return document.addEventListener("mouseover", e => {
        const href = getHrefFromTarget(e.target);
        href && (0, import_router.preloadRoute)(href);
      }, {
        passive: !0,
        signal: controller.signal
      }), () => controller.abort();
    }
    if (PREFETCH_MODE === "viewport") return import("../link/prefetchViewport").then(({
      startPrefetchViewport,
      observePrefetchViewport
    }) => {
      startPrefetchViewport(import_router.preloadRoute);
      const cleanups = [],
        seen = /* @__PURE__ */new WeakSet(),
        observeLinks = () => {
          document.querySelectorAll('a[href^="/"], a[href^="' + url + '"]').forEach(link => {
            if (seen.has(link)) return;
            seen.add(link);
            const href = link.getAttribute("href");
            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: !0,
        subtree: !0
      }), cleanupRef.current = () => {
        clearTimeout(timeout), cleanups.forEach(c => c()), observer.disconnect();
      };
    }), () => cleanupRef.current?.();
    if (PREFETCH_MODE === "intent") {
      const controller = new AbortController();
      return import("../link/prefetchIntent").then(({
        startPrefetchIntent,
        observePrefetchIntent
      }) => {
        startPrefetchIntent(import_router.preloadRoute);
        const cleanups = [],
          seen = /* @__PURE__ */new WeakSet(),
          observeLinks = () => {
            document.querySelectorAll('a[href^="/"], a[href^="' + url + '"]').forEach(link => {
              if (seen.has(link)) return;
              seen.add(link);
              const href = link.getAttribute("href");
              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: !0,
          subtree: !0
        }), cleanupRef.current = () => {
          clearTimeout(timeout), cleanups.forEach(c => c()), observer.disconnect();
        }, document.addEventListener("mouseover", e => {
          const href = getHrefFromTarget(e.target);
          href && (0, import_router.preloadRoute)(href);
        }, {
          passive: !0,
          signal: controller.signal
        });
      }), () => {
        controller.abort(), cleanupRef.current?.();
      };
    }
  }, []), null;
}