a666591555
For streaming, we want the main bundle to be loaded with `async` rather than `defer`. As the first step to doing that, we need an explicit initialization step, rather than occurring as a side effect of being loaded. For now, I've just split the logic into a `initialization` and `hydrate` (previously `initNext`) functions and called them as a side effect of `next/client/next` and `next/client/next-dev` as before. A follow-up PR will move that to a separate script tag [as recommended](https://github.com/reactwg/react-18/discussions/114).
107 lines
3.3 KiB
JavaScript
107 lines
3.3 KiB
JavaScript
import { initialize, hydrate, version, router, emitter } from './'
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import initOnDemandEntries from './dev/on-demand-entries-client'
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import initWebpackHMR from './dev/webpack-hot-middleware-client'
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import initializeBuildWatcher from './dev/dev-build-watcher'
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import { displayContent } from './dev/fouc'
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import { connectHMR, addMessageListener } from './dev/error-overlay/websocket'
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import {
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assign,
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urlQueryToSearchParams,
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} from '../shared/lib/router/utils/querystring'
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if (!window._nextSetupHydrationWarning) {
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const origConsoleError = window.console.error
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window.console.error = (...args) => {
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const isHydrateError = args.some(
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(arg) =>
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typeof arg === 'string' &&
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arg.match(/Warning:.*?did not match.*?Server:/)
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)
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if (isHydrateError) {
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args = [
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...args,
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`\n\nSee more info here: https://nextjs.org/docs/messages/react-hydration-error`,
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]
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}
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origConsoleError.apply(window.console, args)
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}
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window._nextSetupHydrationWarning = true
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}
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window.next = {
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version,
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// router is initialized later so it has to be live-binded
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get router() {
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return router
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},
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emitter,
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}
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const webpackHMR = initWebpackHMR()
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initialize({ webpackHMR })
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.then(({ assetPrefix }) => {
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connectHMR({ assetPrefix, path: '/_next/webpack-hmr' })
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return hydrate({ beforeRender: displayContent }).then(() => {
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initOnDemandEntries()
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let buildIndicatorHandler = () => {}
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function devPagesManifestListener(event) {
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if (event.data.indexOf('devPagesManifest') !== -1) {
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fetch(
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`${assetPrefix}/_next/static/development/_devPagesManifest.json`
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)
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.then((res) => res.json())
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.then((manifest) => {
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window.__DEV_PAGES_MANIFEST = manifest
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})
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.catch((err) => {
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console.log(`Failed to fetch devPagesManifest`, err)
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})
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} else if (event.data.indexOf('middlewareChanges') !== -1) {
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return window.location.reload()
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} else if (event.data.indexOf('serverOnlyChanges') !== -1) {
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const { pages } = JSON.parse(event.data)
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// Make sure to reload when the dev-overlay is showing for an
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// API route
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if (pages.includes(router.query.__NEXT_PAGE)) {
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return window.location.reload()
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}
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if (!router.clc && pages.includes(router.pathname)) {
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console.log('Refreshing page data due to server-side change')
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buildIndicatorHandler('building')
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const clearIndicator = () => buildIndicatorHandler('built')
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router
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.replace(
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router.pathname +
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'?' +
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String(
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assign(
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urlQueryToSearchParams(router.query),
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new URLSearchParams(location.search)
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)
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),
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router.asPath
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)
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.finally(clearIndicator)
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}
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}
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}
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addMessageListener(devPagesManifestListener)
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if (process.env.__NEXT_BUILD_INDICATOR) {
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initializeBuildWatcher((handler) => {
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buildIndicatorHandler = handler
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}, process.env.__NEXT_BUILD_INDICATOR_POSITION)
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}
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})
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})
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.catch((err) => {
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console.error('Error was not caught', err)
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})
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