next
Version:
The React Framework
91 lines (90 loc) • 4.65 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "makeGetServerInsertedHTML", {
enumerable: true,
get: function() {
return makeGetServerInsertedHTML;
}
});
const _jsxruntime = require("react/jsx-runtime");
const _react = /*#__PURE__*/ _interop_require_default(require("react"));
const _httpaccessfallback = require("../../client/components/http-access-fallback/http-access-fallback");
const _redirect = require("../../client/components/redirect");
const _redirecterror = require("../../client/components/redirect-error");
const _serveredge = require("react-dom/server.edge");
const _nodewebstreamshelper = require("../stream-utils/node-web-streams-helper");
const _redirectstatuscode = require("../../client/components/redirect-status-code");
const _addpathprefix = require("../../shared/lib/router/utils/add-path-prefix");
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function makeGetServerInsertedHTML({ polyfills, renderServerInsertedHTML, serverCapturedErrors, tracingMetadata, basePath }) {
let flushedErrorMetaTagsUntilIndex = 0;
// flag for static content that only needs to be flushed once
let hasFlushedInitially = false;
const polyfillTags = polyfills.map((polyfill)=>{
return /*#__PURE__*/ (0, _jsxruntime.jsx)("script", {
...polyfill
}, polyfill.src);
});
return async function getServerInsertedHTML() {
// Loop through all the errors that have been captured but not yet
// flushed.
const errorMetaTags = [];
while(flushedErrorMetaTagsUntilIndex < serverCapturedErrors.length){
const error = serverCapturedErrors[flushedErrorMetaTagsUntilIndex];
flushedErrorMetaTagsUntilIndex++;
if ((0, _httpaccessfallback.isHTTPAccessFallbackError)(error)) {
errorMetaTags.push(/*#__PURE__*/ (0, _jsxruntime.jsx)("meta", {
name: "robots",
content: "noindex"
}, error.digest), process.env.NODE_ENV === 'development' ? /*#__PURE__*/ (0, _jsxruntime.jsx)("meta", {
name: "next-error",
content: "not-found"
}, "next-error") : null);
} else if ((0, _redirecterror.isRedirectError)(error)) {
const redirectUrl = (0, _addpathprefix.addPathPrefix)((0, _redirect.getURLFromRedirectError)(error), basePath);
const statusCode = (0, _redirect.getRedirectStatusCodeFromError)(error);
const isPermanent = statusCode === _redirectstatuscode.RedirectStatusCode.PermanentRedirect ? true : false;
if (redirectUrl) {
errorMetaTags.push(/*#__PURE__*/ (0, _jsxruntime.jsx)("meta", {
id: "__next-page-redirect",
httpEquiv: "refresh",
content: `${isPermanent ? 0 : 1};url=${redirectUrl}`
}, error.digest));
}
}
}
const traceMetaTags = (tracingMetadata || []).map(({ key, value }, index)=>/*#__PURE__*/ (0, _jsxruntime.jsx)("meta", {
name: key,
content: value
}, `next-trace-data-${index}`));
const serverInsertedHTML = renderServerInsertedHTML();
// Skip React rendering if we know the content is empty.
if (polyfillTags.length === 0 && traceMetaTags.length === 0 && errorMetaTags.length === 0 && Array.isArray(serverInsertedHTML) && serverInsertedHTML.length === 0) {
return '';
}
const stream = await (0, _serveredge.renderToReadableStream)(/*#__PURE__*/ (0, _jsxruntime.jsxs)(_jsxruntime.Fragment, {
children: [
/* Insert the polyfills if they haven't been flushed yet. */ hasFlushedInitially ? null : polyfillTags,
serverInsertedHTML,
hasFlushedInitially ? null : traceMetaTags,
errorMetaTags
]
}), {
// Larger chunk because this isn't sent over the network.
// Let's set it to 1MB.
progressiveChunkSize: 1024 * 1024
});
hasFlushedInitially = true;
// There's no need to wait for the stream to be ready
// e.g. calling `await stream.allReady` because `streamToString` will
// wait and decode the stream progressively with better parallelism.
return (0, _nodewebstreamshelper.streamToString)(stream);
};
}
//# sourceMappingURL=make-get-server-inserted-html.js.map