/
load-components.ts
168 lines (150 loc) · 3.9 KB
/
load-components.ts
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import { IncomingMessage, ServerResponse } from 'http'
import { ParsedUrlQuery } from 'querystring'
import {
BUILD_MANIFEST,
CLIENT_STATIC_FILES_PATH,
REACT_LOADABLE_MANIFEST,
SERVER_DIRECTORY,
STATIC_PROPS_ID,
SERVER_PROPS_ID,
} from '../lib/constants'
import { join } from 'path'
import { requirePage } from './require'
import { BuildManifest } from './get-page-files'
import { AppType, DocumentType } from '../lib/utils'
import { PageConfig, NextPageContext } from 'next/types'
export function interopDefault(mod: any) {
return mod.default || mod
}
function addComponentPropsId(
Component: any,
getStaticProps: any,
getServerProps: any
) {
// Mark the component with the SSG or SSP id here since we don't run
// the SSG babel transform for server mode
if (getStaticProps) {
Component[STATIC_PROPS_ID] = true
} else if (getServerProps) {
Component[SERVER_PROPS_ID] = true
}
}
export type ManifestItem = {
id: number | string
name: string
file: string
publicPath: string
}
type ReactLoadableManifest = { [moduleId: string]: ManifestItem[] }
type Unstable_getStaticProps = (ctx: {
params: ParsedUrlQuery | undefined
preview?: boolean
previewData?: any
}) => Promise<{
props: { [key: string]: any }
revalidate?: number | boolean
}>
export type Unstable_getStaticPaths = () => Promise<{
paths: Array<string | { params: ParsedUrlQuery }>
fallback: boolean
}>
type Unstable_getServerProps = (context: {
params: ParsedUrlQuery | undefined
req: IncomingMessage
res: ServerResponse
query: ParsedUrlQuery
}) => Promise<{ [key: string]: any }>
export type LoadComponentsReturnType = {
Component: React.ComponentType
pageConfig?: PageConfig
buildManifest: BuildManifest
reactLoadableManifest: ReactLoadableManifest
Document: DocumentType
DocumentMiddleware?: (ctx: NextPageContext) => void
App: AppType
unstable_getStaticProps?: Unstable_getStaticProps
unstable_getStaticPaths?: Unstable_getStaticPaths
unstable_getServerProps?: Unstable_getServerProps
}
export async function loadComponents(
distDir: string,
buildId: string,
pathname: string,
serverless: boolean
): Promise<LoadComponentsReturnType> {
if (serverless) {
const Component = await requirePage(pathname, distDir, serverless)
const {
unstable_getStaticProps,
unstable_getStaticPaths,
unstable_getServerProps,
} = Component
addComponentPropsId(
Component,
unstable_getStaticProps,
unstable_getServerProps
)
return {
Component,
pageConfig: Component.config || {},
unstable_getStaticProps,
unstable_getStaticPaths,
unstable_getServerProps,
} as LoadComponentsReturnType
}
const documentPath = join(
distDir,
SERVER_DIRECTORY,
CLIENT_STATIC_FILES_PATH,
buildId,
'pages',
'_document'
)
const appPath = join(
distDir,
SERVER_DIRECTORY,
CLIENT_STATIC_FILES_PATH,
buildId,
'pages',
'_app'
)
const DocumentMod = require(documentPath)
const { middleware: DocumentMiddleware } = DocumentMod
const AppMod = require(appPath)
const ComponentMod = requirePage(pathname, distDir, serverless)
const [
buildManifest,
reactLoadableManifest,
Component,
Document,
App,
] = await Promise.all([
require(join(distDir, BUILD_MANIFEST)),
require(join(distDir, REACT_LOADABLE_MANIFEST)),
interopDefault(ComponentMod),
interopDefault(DocumentMod),
interopDefault(AppMod),
])
const {
unstable_getServerProps,
unstable_getStaticProps,
unstable_getStaticPaths,
} = ComponentMod
addComponentPropsId(
Component,
unstable_getStaticProps,
unstable_getServerProps
)
return {
App,
Document,
Component,
buildManifest,
DocumentMiddleware,
reactLoadableManifest,
pageConfig: ComponentMod.config || {},
unstable_getServerProps,
unstable_getStaticProps,
unstable_getStaticPaths,
}
}