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dual-import
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| import assetsManifest from '../../build/client/assetsManifest.json'; | |
| lateChunk(app, head, initialState, route) { | |
| return ` | |
| <style>${assets.main.styles}</style> | |
| // inline the current route's css and assign an id to it | |
| ${!assets[route.name] ? '' : `<style id="${route.name}.css">${assets[route.name].styles}</style>`} | |
| </head> | |
| <body> | |
| <div id="root">${app}</div> | |
| <script>window.__INITIAL_STATE__ = ${JSON.stringify(initialState)}</script> | |
| <script>window.__ASSETS_MANIFEST__ = ${JSON.stringify(assetsManifest)}</script> | |
| <script src="${assets.webpackManifest.js}"></script> | |
| <script src="${assets.vendor.js}"></script> | |
| <script src="${assets.main.js}"></script> | |
| </body> | |
| </html>`; | |
| }, |
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| export default (chunkName) => { | |
| if (!__BROWSER__) { | |
| return Promise.resolve(); | |
| } else if (!(chunkName in window.__ASSETS_MANIFEST__)) { | |
| return Promise.reject(`chunk not found: ${chunkName}`); | |
| } else if (!window.__ASSETS_MANIFEST__[chunkName].css) { | |
| return Promise.resolve(`chunk css does not exist: ${chunkName}`); | |
| } else if (document.getElementById(`${chunkName}.css`)) { | |
| return Promise.resolve(`css chunk already loaded: ${chunkName}`); | |
| } | |
| const head = document.getElementsByTagName('head')[0]; | |
| const link = document.createElement('link'); | |
| link.href = window.__ASSETS_MANIFEST__[chunkName].css; | |
| link.id = `${chunkName}.css`; | |
| link.rel = 'stylesheet'; | |
| return new Promise((resolve, reject) => { | |
| let timeout; | |
| link.onload = () => { | |
| link.onload = null; | |
| link.onerror = null; | |
| clearTimeout(timeout); | |
| resolve(`css chunk loaded: ${chunkName}`); | |
| }; | |
| link.onerror = () => { | |
| link.onload = null; | |
| link.onerror = null; | |
| clearTimeout(timeout); | |
| reject(new Error(`could not load css chunk: ${chunkName}`)); | |
| }; | |
| timeout = setTimeout(link.onerror, 30000); | |
| head.appendChild(link); | |
| }); | |
| }; |
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| <IndexRoute | |
| name="landing" | |
| getComponent={(_, cb) => { | |
| Promise.all([ | |
| import('./views/LandingPage/LandingPage' /* webpackChunkName: 'landing' */), | |
| importCss('landing'), | |
| ]).then(([module]) => cb(null, module.default)); | |
| }} | |
| /> | |
| <Route | |
| name="search" | |
| path="/search/" | |
| getComponent={(_, cb) => { | |
| Promise.all([ | |
| import('./views/SearchResultsPage/SearchResultsPage' /* webpackChunkName: 'search' */), | |
| importCss('search'), | |
| ]).then(([module]) => cb(null, module.default)); | |
| }} | |
| /> |
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