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next.js/build/plugins/nextjs-ssr-import.js
Tim Neutkens f2c2519159
Move build directory outside of server folder (#4565)
The prepares for next-server.

I also took this as an opportunity to get all build directory paths from a single location, as they were previously scattered across webpack/babel plugins and loaders.
2018-06-14 19:30:14 +02:00

30 lines
1.3 KiB
JavaScript

import { join, resolve, relative, dirname } from 'path'
// This plugin modifies the require-ensure code generated by Webpack
// to work with Next.js SSR
export default class NextJsSsrImportPlugin {
apply (compiler) {
compiler.plugin('compilation', (compilation) => {
compilation.mainTemplate.plugin('require-ensure', (code, chunk) => {
// Update to load chunks from our custom chunks directory
const outputPath = resolve('/')
const pagePath = join('/', dirname(chunk.name))
const relativePathToBaseDir = relative(pagePath, outputPath)
// Make sure even in windows, the path looks like in unix
// Node.js require system will convert it accordingly
const relativePathToBaseDirNormalized = relativePathToBaseDir.replace(/\\/g, '/')
let updatedCode = code.replace('require("./"', `require("${relativePathToBaseDirNormalized}/"`)
// Replace a promise equivalent which runs in the same loop
// If we didn't do this webpack's module loading process block us from
// doing SSR for chunks
updatedCode = updatedCode.replace(
'return Promise.resolve();',
`return require('next/dynamic').SameLoopPromise.resolve();`
)
return updatedCode
})
})
}
}