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import type { AppDirModules } from '../../build/webpack/loaders/next-app-loader'
import { DEFAULT_SEGMENT_KEY } from '../../shared/lib/segment'
/**
* LoaderTree is generated in next-app-loader.
*/
export type LoaderTree = [
segment: string,
parallelRoutes: { [parallelRouterKey: string]: LoaderTree },
modules: AppDirModules,
]
export async function getLayoutOrPageModule(loaderTree: LoaderTree) {
const { layout, page, defaultPage } = loaderTree[2]
const isLayout = typeof layout !== 'undefined'
const isPage = typeof page !== 'undefined'
const isDefaultPage =
typeof defaultPage !== 'undefined' && loaderTree[0] === DEFAULT_SEGMENT_KEY
let mod = undefined
let modType: 'layout' | 'page' | undefined = undefined
let filePath = undefined
if (isLayout) {
mod = await layout[0]()
modType = 'layout'
filePath = layout[1]
} else if (isPage) {
mod = await page[0]()
modType = 'page'
filePath = page[1]
} else if (isDefaultPage) {
mod = await defaultPage[0]()
modType = 'page'
filePath = defaultPage[1]
}
return { mod, modType, filePath }
}
export async function getComponentTypeModule(
loaderTree: LoaderTree,
moduleType: 'layout' | 'not-found' | 'forbidden' | 'unauthorized'
) {
const { [moduleType]: module } = loaderTree[2]
if (typeof module !== 'undefined') {
return await module[0]()
}
return undefined
}
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