Initial boiler plate project
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132
node_modules/next/dist/server/pipe-readable.js
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132
node_modules/next/dist/server/pipe-readable.js
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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0 && (module.exports = {
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isAbortError: null,
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pipeToNodeResponse: null
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});
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function _export(target, all) {
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for(var name in all)Object.defineProperty(target, name, {
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enumerable: true,
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get: all[name]
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});
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}
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_export(exports, {
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isAbortError: function() {
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return isAbortError;
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},
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pipeToNodeResponse: function() {
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return pipeToNodeResponse;
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}
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});
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const _nextrequest = require("./web/spec-extension/adapters/next-request");
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const _detachedpromise = require("../lib/detached-promise");
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const _tracer = require("./lib/trace/tracer");
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const _constants = require("./lib/trace/constants");
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const _clientcomponentrendererlogger = require("./client-component-renderer-logger");
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function isAbortError(e) {
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return (e == null ? void 0 : e.name) === "AbortError" || (e == null ? void 0 : e.name) === _nextrequest.ResponseAbortedName;
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}
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function createWriterFromResponse(res, waitUntilForEnd) {
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let started = false;
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// Create a promise that will resolve once the response has drained. See
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// https://nodejs.org/api/stream.html#stream_event_drain
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let drained = new _detachedpromise.DetachedPromise();
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function onDrain() {
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drained.resolve();
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}
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res.on("drain", onDrain);
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// If the finish event fires, it means we shouldn't block and wait for the
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// drain event.
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res.once("close", ()=>{
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res.off("drain", onDrain);
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drained.resolve();
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});
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// Create a promise that will resolve once the response has finished. See
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// https://nodejs.org/api/http.html#event-finish_1
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const finished = new _detachedpromise.DetachedPromise();
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res.once("finish", ()=>{
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finished.resolve();
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});
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// Create a writable stream that will write to the response.
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return new WritableStream({
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write: async (chunk)=>{
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// You'd think we'd want to use `start` instead of placing this in `write`
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// but this ensures that we don't actually flush the headers until we've
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// started writing chunks.
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if (!started) {
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started = true;
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if ("performance" in globalThis && process.env.NEXT_OTEL_PERFORMANCE_PREFIX) {
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const metrics = (0, _clientcomponentrendererlogger.getClientComponentLoaderMetrics)();
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if (metrics) {
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performance.measure(`${process.env.NEXT_OTEL_PERFORMANCE_PREFIX}:next-client-component-loading`, {
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start: metrics.clientComponentLoadStart,
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end: metrics.clientComponentLoadStart + metrics.clientComponentLoadTimes
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});
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}
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}
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res.flushHeaders();
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(0, _tracer.getTracer)().trace(_constants.NextNodeServerSpan.startResponse, {
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spanName: "start response"
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}, ()=>undefined);
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}
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try {
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const ok = res.write(chunk);
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// Added by the `compression` middleware, this is a function that will
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// flush the partially-compressed response to the client.
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if ("flush" in res && typeof res.flush === "function") {
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res.flush();
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}
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// If the write returns false, it means there's some backpressure, so
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// wait until it's streamed before continuing.
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if (!ok) {
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await drained.promise;
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// Reset the drained promise so that we can wait for the next drain event.
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drained = new _detachedpromise.DetachedPromise();
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}
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} catch (err) {
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res.end();
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throw new Error("failed to write chunk to response", {
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cause: err
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});
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}
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},
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abort: (err)=>{
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if (res.writableFinished) return;
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res.destroy(err);
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},
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close: async ()=>{
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// if a waitUntil promise was passed, wait for it to resolve before
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// ending the response.
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if (waitUntilForEnd) {
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await waitUntilForEnd;
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}
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if (res.writableFinished) return;
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res.end();
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return finished.promise;
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}
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});
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}
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async function pipeToNodeResponse(readable, res, waitUntilForEnd) {
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try {
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// If the response has already errored, then just return now.
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const { errored, destroyed } = res;
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if (errored || destroyed) return;
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// Create a new AbortController so that we can abort the readable if the
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// client disconnects.
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const controller = (0, _nextrequest.createAbortController)(res);
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const writer = createWriterFromResponse(res, waitUntilForEnd);
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await readable.pipeTo(writer, {
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signal: controller.signal
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});
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} catch (err) {
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// If this isn't related to an abort error, re-throw it.
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if (isAbortError(err)) return;
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throw new Error("failed to pipe response", {
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cause: err
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});
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}
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}
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//# sourceMappingURL=pipe-readable.js.map
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