57 lines
2.2 KiB
JavaScript
57 lines
2.2 KiB
JavaScript
import { createBufferedTransformStream } from '../stream-utils/node-web-streams-helper';
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import { HMR_MESSAGE_SENT_TO_BROWSER } from './hot-reloader-types';
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const reactDebugChannelsByHtmlRequestId = new Map();
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export function connectReactDebugChannel(requestId, debugChannel, sendToClient) {
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const reader = debugChannel.readable.pipeThrough(// We're sending the chunks in batches to reduce overhead in the browser.
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createBufferedTransformStream({
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maxBufferByteLength: 128 * 1024
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})).getReader();
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const stop = ()=>{
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sendToClient({
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type: HMR_MESSAGE_SENT_TO_BROWSER.REACT_DEBUG_CHUNK,
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requestId,
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chunk: null
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});
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};
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const onError = (err)=>{
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console.error(Object.defineProperty(new Error('React debug channel stream error', {
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cause: err
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}), "__NEXT_ERROR_CODE", {
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value: "E810",
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enumerable: false,
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configurable: true
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}));
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stop();
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};
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const progress = (entry)=>{
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if (entry.done) {
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stop();
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} else {
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sendToClient({
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type: HMR_MESSAGE_SENT_TO_BROWSER.REACT_DEBUG_CHUNK,
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requestId,
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chunk: entry.value
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});
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reader.read().then(progress, onError);
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}
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};
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reader.read().then(progress, onError);
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}
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export function connectReactDebugChannelForHtmlRequest(htmlRequestId, sendToClient) {
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const debugChannel = reactDebugChannelsByHtmlRequestId.get(htmlRequestId);
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if (!debugChannel) {
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return;
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}
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reactDebugChannelsByHtmlRequestId.delete(htmlRequestId);
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connectReactDebugChannel(htmlRequestId, debugChannel, sendToClient);
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}
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export function setReactDebugChannelForHtmlRequest(htmlRequestId, debugChannel) {
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// TODO: Clean up after a timeout, in case the client never connects, e.g.
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// when CURL'ing the page, or loading the page with JavaScript disabled etc.
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reactDebugChannelsByHtmlRequestId.set(htmlRequestId, debugChannel);
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}
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export function deleteReactDebugChannelForHtmlRequest(htmlRequestId) {
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reactDebugChannelsByHtmlRequestId.delete(htmlRequestId);
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}
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//# sourceMappingURL=debug-channel.js.map
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