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next.js/server/config.js
Oscar Martinez eff27bdcfb Allow etags to be disabled with config option (#3915)
* Allow etags to be disabled with config option

- CR Change: Rename option to generateEtags
- CR Change: Add tests for etag generation
- CR Change: Refactor to use next.config.js
- Update documentation

* Use renderOpts instead of passing nextConfig
2018-03-13 14:18:59 +01:00

50 lines
1.2 KiB
JavaScript

import findUp from 'find-up'
const cache = new Map()
const defaultConfig = {
webpack: null,
webpackDevMiddleware: null,
poweredByHeader: true,
distDir: '.next',
assetPrefix: '',
configOrigin: 'default',
useFileSystemPublicRoutes: true,
generateEtags: true,
pageExtensions: ['jsx', 'js'] // jsx before js because otherwise regex matching will match js first
}
export default function getConfig (phase, dir, customConfig) {
if (!cache.has(dir)) {
cache.set(dir, loadConfig(phase, dir, customConfig))
}
return cache.get(dir)
}
export function loadConfig (phase, dir, customConfig) {
if (customConfig && typeof customConfig === 'object') {
customConfig.configOrigin = 'server'
return withDefaults(customConfig)
}
const path = findUp.sync('next.config.js', {
cwd: dir
})
let userConfig = {}
if (path && path.length) {
const userConfigModule = require(path)
userConfig = userConfigModule.default || userConfigModule
if (typeof userConfigModule === 'function') {
userConfig = userConfigModule(phase, {defaultConfig})
}
userConfig.configOrigin = 'next.config.js'
}
return withDefaults(userConfig)
}
function withDefaults (config) {
return Object.assign({}, defaultConfig, config)
}