/opt/canhelp/node_modules/next/dist/server/app-render
Edit: /opt/canhelp/node_modules/next/dist/server/app-render/app-render-prerender-utils.js (7252B)
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
ReactServerPrerenderResult: null,
ReactServerResult: null,
createReactServerPrerenderResult: null,
createReactServerPrerenderResultFromRender: null,
prerenderAndAbortInSequentialTasks: null,
prerenderAndAbortInSequentialTasksWithStages: null,
processPrelude: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
ReactServerPrerenderResult: function() {
return ReactServerPrerenderResult;
},
ReactServerResult: function() {
return ReactServerResult;
},
createReactServerPrerenderResult: function() {
return createReactServerPrerenderResult;
},
createReactServerPrerenderResultFromRender: function() {
return createReactServerPrerenderResultFromRender;
},
prerenderAndAbortInSequentialTasks: function() {
return prerenderAndAbortInSequentialTasks;
},
prerenderAndAbortInSequentialTasksWithStages: function() {
return prerenderAndAbortInSequentialTasksWithStages;
},
processPrelude: function() {
return processPrelude;
}
});
const _invarianterror = require("../../shared/lib/invariant-error");
function prerenderAndAbortInSequentialTasks(prerender, abort) {
if (process.env.NEXT_RUNTIME === 'edge') {
throw Object.defineProperty(new _invarianterror.InvariantError('`prerenderAndAbortInSequentialTasks` should not be called in edge runtime.'), "__NEXT_ERROR_CODE", {
value: "E538",
enumerable: false,
configurable: true
});
} else {
return new Promise((resolve, reject)=>{
let pendingResult;
setImmediate(()=>{
try {
pendingResult = prerender();
pendingResult.catch(()=>{});
} catch (err) {
reject(err);
}
});
setImmediate(()=>{
abort();
resolve(pendingResult);
});
});
}
}
function prerenderAndAbortInSequentialTasksWithStages(prerender, advanceStage, abort) {
if (process.env.NEXT_RUNTIME === 'edge') {
throw Object.defineProperty(new _invarianterror.InvariantError('`prerenderAndAbortInSequentialTasksWithStages` should not be called in edge runtime.'), "__NEXT_ERROR_CODE", {
value: "E778",
enumerable: false,
configurable: true
});
} else {
return new Promise((resolve, reject)=>{
let pendingResult;
setImmediate(()=>{
try {
pendingResult = prerender();
pendingResult.catch(()=>{});
} catch (err) {
reject(err);
}
});
setImmediate(()=>{
advanceStage();
});
setImmediate(()=>{
abort();
resolve(pendingResult);
});
});
}
}
class ReactServerResult {
constructor(stream){
this._stream = stream;
}
tee() {
if (this._stream === null) {
throw Object.defineProperty(new Error('Cannot tee a ReactServerResult that has already been consumed'), "__NEXT_ERROR_CODE", {
value: "E106",
enumerable: false,
configurable: true
});
}
const tee = this._stream.tee();
this._stream = tee[0];
return tee[1];
}
consume() {
if (this._stream === null) {
throw Object.defineProperty(new Error('Cannot consume a ReactServerResult that has already been consumed'), "__NEXT_ERROR_CODE", {
value: "E470",
enumerable: false,
configurable: true
});
}
const stream = this._stream;
this._stream = null;
return stream;
}
}
async function createReactServerPrerenderResult(underlying) {
const chunks = [];
const { prelude } = await underlying;
const reader = prelude.getReader();
while(true){
const { done, value } = await reader.read();
if (done) {
return new ReactServerPrerenderResult(chunks);
} else {
chunks.push(value);
}
}
}
async function createReactServerPrerenderResultFromRender(underlying) {
const chunks = [];
const reader = underlying.getReader();
while(true){
const { done, value } = await reader.read();
if (done) {
break;
} else {
chunks.push(value);
}
}
return new ReactServerPrerenderResult(chunks);
}
class ReactServerPrerenderResult {
assertChunks(expression) {
if (this._chunks === null) {
throw Object.defineProperty(new _invarianterror.InvariantError(`Cannot \`${expression}\` on a ReactServerPrerenderResult that has already been consumed.`), "__NEXT_ERROR_CODE", {
value: "E593",
enumerable: false,
configurable: true
});
}
return this._chunks;
}
consumeChunks(expression) {
const chunks = this.assertChunks(expression);
this.consume();
return chunks;
}
consume() {
this._chunks = null;
}
constructor(chunks){
this._chunks = chunks;
}
asUnclosingStream() {
const chunks = this.assertChunks('asUnclosingStream()');
return createUnclosingStream(chunks);
}
consumeAsUnclosingStream() {
const chunks = this.consumeChunks('consumeAsUnclosingStream()');
return createUnclosingStream(chunks);
}
asStream() {
const chunks = this.assertChunks('asStream()');
return createClosingStream(chunks);
}
consumeAsStream() {
const chunks = this.consumeChunks('consumeAsStream()');
return createClosingStream(chunks);
}
}
function createUnclosingStream(chunks) {
let i = 0;
return new ReadableStream({
async pull (controller) {
if (i < chunks.length) {
controller.enqueue(chunks[i++]);
}
// we intentionally keep the stream open. The consumer will clear
// out chunks once finished and the remaining memory will be GC'd
// when this object goes out of scope
}
});
}
function createClosingStream(chunks) {
let i = 0;
return new ReadableStream({
async pull (controller) {
if (i < chunks.length) {
controller.enqueue(chunks[i++]);
} else {
controller.close();
}
}
});
}
async function processPrelude(unprocessedPrelude) {
const [prelude, peek] = unprocessedPrelude.tee();
const reader = peek.getReader();
const firstResult = await reader.read();
reader.cancel();
const preludeIsEmpty = firstResult.done === true;
return {
prelude,
preludeIsEmpty
};
}
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