40b0b9b958
* Show content as soon as <style> tags are added * Add fallback removal * Add test for when unused * Ensure the function is ES5 compatible * IE support * Test it works on broken pages
77 lines
2.6 KiB
JavaScript
77 lines
2.6 KiB
JavaScript
import initNext, * as next from './'
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import EventSourcePolyfill from './dev/event-source-polyfill'
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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 initializePrerenderIndicator from './dev/prerender-indicator'
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// Temporary workaround for the issue described here:
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// https://github.com/zeit/next.js/issues/3775#issuecomment-407438123
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// The runtimeChunk doesn't have dynamic import handling code when there hasn't been a dynamic import
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// The runtimeChunk can't hot reload itself currently to correct it when adding pages using on-demand-entries
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// REPLACE_NOOP_IMPORT
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// Support EventSource on Internet Explorer 11
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if (!window.EventSource) {
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window.EventSource = EventSourcePolyfill
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}
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const {
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__NEXT_DATA__: { assetPrefix }
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} = window
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const prefix = assetPrefix || ''
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const webpackHMR = initWebpackHMR({ assetPrefix: prefix })
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window.next = next
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initNext({ webpackHMR })
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.then(emitter => {
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initOnDemandEntries({ assetPrefix: prefix })
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if (process.env.__NEXT_BUILD_INDICATOR) initializeBuildWatcher()
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if (
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process.env.__NEXT_PRERENDER_INDICATOR &&
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// disable by default in electron
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!(typeof process !== 'undefined' && 'electron' in process.versions)
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) {
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initializePrerenderIndicator()
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}
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// This is the fallback helper that removes Next.js' no-FOUC styles when
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// CSS mode is enabled. This only really activates if you haven't created
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// _any_ styles in your application yet.
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;(window.requestAnimationFrame || setTimeout)(function () {
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for (
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var x = document.querySelectorAll('[data-next-hide-fouc]'),
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i = x.length;
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i--;
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) {
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x[i].parentNode.removeChild(x[i])
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}
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})
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let lastScroll
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emitter.on('before-reactdom-render', ({ Component, ErrorComponent }) => {
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// Remember scroll when ErrorComponent is being rendered to later restore it
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if (!lastScroll && Component === ErrorComponent) {
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const { pageXOffset, pageYOffset } = window
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lastScroll = {
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x: pageXOffset,
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y: pageYOffset
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}
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}
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})
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emitter.on('after-reactdom-render', ({ Component, ErrorComponent }) => {
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if (lastScroll && Component !== ErrorComponent) {
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// Restore scroll after ErrorComponent was replaced with a page component by HMR
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const { x, y } = lastScroll
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window.scroll(x, y)
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lastScroll = null
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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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