62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
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/**
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* Before starting the Next.js runtime and requiring any module, we need to make
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* sure the following scripts are executed in the correct order:
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* - Polyfills
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* - next/script with `beforeInteractive` strategy
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*/
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const version = process.env.__NEXT_VERSION
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window.next = {
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version,
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appDir: true,
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}
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function loadScriptsInSequence(scripts, hydrate) {
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if (!scripts || !scripts.length) {
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return hydrate()
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}
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return scripts
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.reduce((promise, [src, props]) => {
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return promise.then(() => {
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return new Promise((resolve, reject) => {
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const el = document.createElement('script')
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if (props) {
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for (const key in props) {
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if (key !== 'children') {
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el.setAttribute(key, props[key])
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}
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}
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}
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if (src) {
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el.src = src
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el.onload = resolve
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el.onerror = reject
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} else if (props) {
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el.innerHTML = props.children
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setTimeout(resolve)
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}
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document.head.appendChild(el)
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})
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})
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}, Promise.resolve())
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.then(() => {
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hydrate()
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})
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.catch((err) => {
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console.error(err)
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// Still try to hydrate even if there's an error.
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hydrate()
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})
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}
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export function appBootstrap(callback) {
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loadScriptsInSequence(self.__next_s, () => {
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callback()
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})
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}
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