securityos/node_modules/next/dist/server/app-render/use-flight-response.js

81 lines
3.8 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "useFlightResponse", {
enumerable: true,
get: function() {
return useFlightResponse;
}
});
const _encodedecode = require("../stream-utils/encode-decode");
const _htmlescape = require("../htmlescape");
const isEdgeRuntime = process.env.NEXT_RUNTIME === "edge";
const INLINE_FLIGHT_PAYLOAD_BOOTSTRAP = 0;
const INLINE_FLIGHT_PAYLOAD_DATA = 1;
const INLINE_FLIGHT_PAYLOAD_FORM_STATE = 2;
function useFlightResponse(writable, flightStream, clientReferenceManifest, flightResponseRef, formState, nonce) {
if (flightResponseRef.current !== null) {
return flightResponseRef.current;
}
// react-server-dom-webpack/client.edge must not be hoisted for require cache clearing to work correctly
let createFromReadableStream;
// @TODO: investigate why the aliasing for turbopack doesn't pick this up, requiring this runtime check
if (process.env.TURBOPACK) {
createFromReadableStream = // eslint-disable-next-line import/no-extraneous-dependencies
require("react-server-dom-turbopack/client.edge").createFromReadableStream;
} else {
createFromReadableStream = // eslint-disable-next-line import/no-extraneous-dependencies
require("react-server-dom-webpack/client.edge").createFromReadableStream;
}
const [renderStream, forwardStream] = flightStream.tee();
const res = createFromReadableStream(renderStream, {
ssrManifest: {
moduleLoading: clientReferenceManifest.moduleLoading,
moduleMap: isEdgeRuntime ? clientReferenceManifest.edgeSSRModuleMapping : clientReferenceManifest.ssrModuleMapping
},
nonce
});
flightResponseRef.current = res;
let bootstrapped = false;
// We only attach CSS chunks to the inlined data.
const forwardReader = forwardStream.getReader();
const writer = writable.getWriter();
const startScriptTag = nonce ? `<script nonce=${JSON.stringify(nonce)}>` : "<script>";
const textDecoder = new TextDecoder();
function read() {
forwardReader.read().then(({ done, value })=>{
if (!bootstrapped) {
bootstrapped = true;
writer.write((0, _encodedecode.encodeText)(`${startScriptTag}(self.__next_f=self.__next_f||[]).push(${(0, _htmlescape.htmlEscapeJsonString)(JSON.stringify([
INLINE_FLIGHT_PAYLOAD_BOOTSTRAP
]))});self.__next_f.push(${(0, _htmlescape.htmlEscapeJsonString)(JSON.stringify([
INLINE_FLIGHT_PAYLOAD_FORM_STATE,
formState
]))})</script>`));
}
if (done) {
// Add a setTimeout here because the error component is too small, the first forwardReader.read() read will return the full chunk
// and then it immediately set flightResponseRef.current as null.
// react renders the component twice, the second render will run into the state with useFlightResponse where flightResponseRef.current is null,
// so it tries to render the flight payload again
setTimeout(()=>{
flightResponseRef.current = null;
});
writer.close();
} else {
const responsePartial = (0, _encodedecode.decodeText)(value, textDecoder);
const scripts = `${startScriptTag}self.__next_f.push(${(0, _htmlescape.htmlEscapeJsonString)(JSON.stringify([
INLINE_FLIGHT_PAYLOAD_DATA,
responsePartial
]))})</script>`;
writer.write((0, _encodedecode.encodeText)(scripts));
read();
}
});
}
read();
return res;
}
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