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client.js
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client.js
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import { hydrateRoot } from "react-dom/client";
const root = hydrateRoot(document, getInitialClientJSX());
let currentPathname = window.location.pathname;
async function navigate(pathname) {
currentPathname = pathname;
const clientJSX = await fetchClientJSX(pathname);
if (pathname === currentPathname) {
root.render(clientJSX);
}
}
function getInitialClientJSX() {
const clientJSX = JSON.parse(window.__INITIAL_CLIENT_JSX_STRING__, parseJSX);
return clientJSX;
}
async function fetchClientJSX(pathname) {
const response = await fetch(pathname + "?jsx");
const clientJSXString = await response.text();
const clientJSX = JSON.parse(clientJSXString, parseJSX);
return clientJSX;
}
function parseJSX(key, value) {
if (value === "$RE") {
return Symbol.for("react.element");
} else if (typeof value === "string" && value.startsWith("$$")) {
return value.slice(1);
} else {
return value;
}
}
window.addEventListener(
"click",
(e) => {
if (e.target.tagName !== "A") {
return;
}
if (e.metaKey || e.ctrlKey || e.shiftKey || e.altKey) {
return;
}
const href = e.target.getAttribute("href");
if (!href.startsWith("/")) {
return;
}
e.preventDefault();
window.history.pushState(null, null, href);
navigate(href);
},
true
);
window.addEventListener("popstate", () => {
navigate(window.location.pathname);
});