b3170d2648
* Format missed files * Remove unnecessary rule * Fix type error
78 lines
2.1 KiB
JavaScript
78 lines
2.1 KiB
JavaScript
import crypto from 'crypto'
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import Document, { Html, Head, Main, NextScript } from 'next/document'
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const cspHashOf = text => {
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const hash = crypto.createHash('sha256')
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hash.update(text)
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return `'sha256-${hash.digest('base64')}'`
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}
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export default class MyDocument extends Document {
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static async getInitialProps (ctx) {
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let options
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const enhanceComponent = Component => props => (
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<div>
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<span id='render-page-enhance-component'>RENDERED</span>
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<Component {...props} />
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</div>
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)
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const enhanceApp = Component => props => (
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<div>
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<span id='render-page-enhance-app'>RENDERED</span>
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<Component {...props} />
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</div>
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)
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if (ctx.query.withEnhancer) {
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options = enhanceComponent
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} else if (ctx.query.withEnhanceComponent || ctx.query.withEnhanceApp) {
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options = {}
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if (ctx.query.withEnhanceComponent) {
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options.enhanceComponent = enhanceComponent
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}
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if (ctx.query.withEnhanceApp) {
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options.enhanceApp = enhanceApp
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}
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}
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const result = ctx.renderPage(options)
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return {
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...result,
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customProperty: 'Hello Document',
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withCSP: ctx.query.withCSP
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}
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}
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render () {
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let csp
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switch (this.props.withCSP) {
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case 'hash':
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csp = `default-src 'self'; script-src 'self' ${cspHashOf(
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NextScript.getInlineScriptSource(this.props)
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)}; style-src 'self' 'unsafe-inline'`
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break
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case 'nonce':
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csp = `default-src 'self'; script-src 'self' 'nonce-test-nonce'; style-src 'self' 'unsafe-inline'`
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break
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}
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return (
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<Html className='test-html-props'>
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<Head nonce='test-nonce'>
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{csp ? (
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<meta httpEquiv='Content-Security-Policy' content={csp} />
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) : null}
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<style>{`body { margin: 0 } /* custom! */`}</style>
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</Head>
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<body className='custom_class'>
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<p id='custom-property'>{this.props.customProperty}</p>
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<p id='document-hmr'>Hello Document HMR</p>
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<Main />
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<NextScript nonce='test-nonce' />
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</body>
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</Html>
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)
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}
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}
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