18a9c7e371
* Update `packages/` * Update examples * Update tests * Update bench * Update top level files * Fix build * trigger
193 lines
4.5 KiB
JavaScript
193 lines
4.5 KiB
JavaScript
import { getEventSourceWrapper } from './error-overlay/eventsource'
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export default function initializeBuildWatcher() {
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const shadowHost = document.createElement('div')
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shadowHost.id = '__next-build-watcher'
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// Make sure container is fixed and on a high zIndex so it shows
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shadowHost.style.position = 'fixed'
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shadowHost.style.bottom = '10px'
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shadowHost.style.right = '20px'
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shadowHost.style.width = 0
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shadowHost.style.height = 0
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shadowHost.style.zIndex = 99999
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document.body.appendChild(shadowHost)
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let shadowRoot
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let prefix = ''
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if (shadowHost.attachShadow) {
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shadowRoot = shadowHost.attachShadow({ mode: 'open' })
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} else {
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// If attachShadow is undefined then the browser does not support
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// the Shadow DOM, we need to prefix all the names so there
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// will be no conflicts
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shadowRoot = shadowHost
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prefix = '__next-build-watcher-'
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}
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// Container
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const container = createContainer(prefix)
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shadowRoot.appendChild(container)
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// CSS
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const css = createCss(prefix)
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shadowRoot.appendChild(css)
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// State
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let isVisible = false
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let isBuilding = false
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let timeoutId = null
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// Handle events
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const evtSource = getEventSourceWrapper({ path: '/_next/webpack-hmr' })
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evtSource.addMessageListener(event => {
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// This is the heartbeat event
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if (event.data === '\uD83D\uDC93') {
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return
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}
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try {
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handleMessage(event)
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} catch {}
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})
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function handleMessage(event) {
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const obj = JSON.parse(event.data)
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// eslint-disable-next-line default-case
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switch (obj.action) {
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case 'building':
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timeoutId && clearTimeout(timeoutId)
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isVisible = true
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isBuilding = true
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updateContainer()
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break
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case 'built':
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isBuilding = false
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// Wait for the fade out transtion to complete
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timeoutId = setTimeout(() => {
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isVisible = false
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updateContainer()
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}, 100)
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updateContainer()
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break
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}
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}
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function updateContainer() {
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if (isBuilding) {
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container.classList.add(`${prefix}building`)
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} else {
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container.classList.remove(`${prefix}building`)
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}
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if (isVisible) {
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container.classList.add(`${prefix}visible`)
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} else {
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container.classList.remove(`${prefix}visible`)
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}
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}
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}
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function createContainer(prefix) {
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const container = document.createElement('div')
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container.id = `${prefix}container`
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container.innerHTML = `
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<div id="${prefix}icon-wrapper">
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<svg viewBox="0 0 226 200">
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<defs>
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<linearGradient
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x1="114.720775%"
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y1="181.283245%"
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x2="39.5399306%"
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y2="100%"
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id="${prefix}linear-gradient"
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>
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<stop stop-color="#FFFFFF" offset="0%" />
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<stop stop-color="#000000" offset="100%" />
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</linearGradient>
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</defs>
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<g id="${prefix}icon-group" fill="none" stroke="url(#${prefix}linear-gradient)" stroke-width="18">
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<path d="M113,5.08219117 L4.28393801,197.5 L221.716062,197.5 L113,5.08219117 Z" />
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</g>
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</svg>
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</div>
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`
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return container
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}
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function createCss(prefix) {
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const css = document.createElement('style')
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css.textContent = `
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#${prefix}container {
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position: absolute;
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bottom: 10px;
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right: 30px;
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background: #fff;
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color: #000;
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font: initial;
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cursor: initial;
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letter-spacing: initial;
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text-shadow: initial;
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text-transform: initial;
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visibility: initial;
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padding: 8px 10px;
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align-items: center;
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box-shadow: 0 11px 40px 0 rgba(0, 0, 0, 0.25), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
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display: none;
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opacity: 0;
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transition: opacity 0.1s ease, bottom 0.1s ease;
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animation: ${prefix}fade-in 0.1s ease-in-out;
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}
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#${prefix}container.${prefix}visible {
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display: flex;
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}
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#${prefix}container.${prefix}building {
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bottom: 20px;
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opacity: 1;
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}
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#${prefix}icon-wrapper {
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width: 16px;
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height: 16px;
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}
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#${prefix}icon-wrapper > svg {
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width: 100%;
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height: 100%;
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}
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#${prefix}icon-group {
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animation: ${prefix}strokedash 1s ease-in-out both infinite;
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}
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@keyframes ${prefix}fade-in {
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from {
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bottom: 10px;
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opacity: 0;
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}
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to {
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bottom: 20px;
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opacity: 1;
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}
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}
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@keyframes ${prefix}strokedash {
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0% {
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stroke-dasharray: 0 226;
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}
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80%,
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100% {
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stroke-dasharray: 659 226;
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}
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}
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`
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return css
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}
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