one/dist/cjs/views/PreloadLinks.js

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"), import_router = require("../router/router");
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;
}
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