2ba352da39
* Initial move * Make emitting work * Update paths * Remove leftover files * Add correct externals configuration * Import correct path * Update path to work with ts-server test * Update lib directory * Compile next-server/lib
172 lines
5.5 KiB
TypeScript
172 lines
5.5 KiB
TypeScript
import React from 'react'
|
|
import Loadable from './loadable'
|
|
|
|
const isServerSide = typeof window === 'undefined'
|
|
|
|
export type LoaderComponent<P = {}> = Promise<
|
|
React.ComponentType<P> | { default: React.ComponentType<P> }
|
|
>
|
|
|
|
export type Loader<P = {}> = (() => LoaderComponent<P>) | LoaderComponent<P>
|
|
|
|
export type LoaderMap = { [mdule: string]: () => Loader<any> }
|
|
|
|
export type LoadableGeneratedOptions = {
|
|
webpack?(): any
|
|
modules?(): LoaderMap
|
|
}
|
|
|
|
export type LoadableBaseOptions<P = {}> = LoadableGeneratedOptions & {
|
|
loading?: ({
|
|
error,
|
|
isLoading,
|
|
pastDelay,
|
|
}: {
|
|
error?: Error | null
|
|
isLoading?: boolean
|
|
pastDelay?: boolean
|
|
timedOut?: boolean
|
|
}) => JSX.Element | null
|
|
loader?: Loader<P> | LoaderMap
|
|
loadableGenerated?: LoadableGeneratedOptions
|
|
ssr?: boolean
|
|
}
|
|
|
|
export type LoadableOptions<P = {}> = LoadableBaseOptions<P> & {
|
|
render?(loader: any, props: any): JSX.Element
|
|
}
|
|
|
|
export type DynamicOptions<P = {}> = LoadableBaseOptions<P> & {
|
|
/**
|
|
* @deprecated the modules option has been planned for removal
|
|
*/
|
|
render?(props: P, loaded: any): JSX.Element
|
|
}
|
|
|
|
export type LoadableFn<P = {}> = (
|
|
opts: LoadableOptions<P>
|
|
) => React.ComponentType<P>
|
|
|
|
export type LoadableComponent<P = {}> = React.ComponentType<P>
|
|
|
|
export function noSSR<P = {}>(
|
|
LoadableInitializer: LoadableFn<P>,
|
|
loadableOptions: LoadableOptions<P>
|
|
) {
|
|
// Removing webpack and modules means react-loadable won't try preloading
|
|
delete loadableOptions.webpack
|
|
delete loadableOptions.modules
|
|
|
|
// This check is neccesary to prevent react-loadable from initializing on the server
|
|
if (!isServerSide) {
|
|
return LoadableInitializer(loadableOptions)
|
|
}
|
|
|
|
const Loading = loadableOptions.loading!
|
|
// This will only be rendered on the server side
|
|
return () => (
|
|
<Loading error={null} isLoading pastDelay={false} timedOut={false} />
|
|
)
|
|
}
|
|
|
|
// function dynamic<P = {}, O extends DynamicOptions>(options: O):
|
|
|
|
export default function dynamic<P = {}>(
|
|
dynamicOptions: DynamicOptions<P> | Loader<P>,
|
|
options?: DynamicOptions<P>
|
|
): React.ComponentType<P> {
|
|
let loadableFn: LoadableFn<P> = Loadable
|
|
let loadableOptions: LoadableOptions<P> = {
|
|
// A loading component is not required, so we default it
|
|
loading: ({ error, isLoading, pastDelay }) => {
|
|
if (!pastDelay) return null
|
|
if (process.env.NODE_ENV === 'development') {
|
|
if (isLoading) {
|
|
return null
|
|
}
|
|
if (error) {
|
|
return (
|
|
<p>
|
|
{error.message}
|
|
<br />
|
|
{error.stack}
|
|
</p>
|
|
)
|
|
}
|
|
}
|
|
|
|
return null
|
|
},
|
|
}
|
|
|
|
// Support for direct import(), eg: dynamic(import('../hello-world'))
|
|
// Note that this is only kept for the edge case where someone is passing in a promise as first argument
|
|
// The react-loadable babel plugin will turn dynamic(import('../hello-world')) into dynamic(() => import('../hello-world'))
|
|
// To make sure we don't execute the import without rendering first
|
|
if (dynamicOptions instanceof Promise) {
|
|
loadableOptions.loader = () => dynamicOptions
|
|
// Support for having import as a function, eg: dynamic(() => import('../hello-world'))
|
|
} else if (typeof dynamicOptions === 'function') {
|
|
loadableOptions.loader = dynamicOptions
|
|
// Support for having first argument being options, eg: dynamic({loader: import('../hello-world')})
|
|
} else if (typeof dynamicOptions === 'object') {
|
|
loadableOptions = { ...loadableOptions, ...dynamicOptions }
|
|
}
|
|
|
|
// Support for passing options, eg: dynamic(import('../hello-world'), {loading: () => <p>Loading something</p>})
|
|
loadableOptions = { ...loadableOptions, ...options }
|
|
|
|
if (
|
|
typeof dynamicOptions === 'object' &&
|
|
!(dynamicOptions instanceof Promise)
|
|
) {
|
|
// show deprecation warning for `modules` key in development
|
|
if (process.env.NODE_ENV !== 'production') {
|
|
if (dynamicOptions.modules) {
|
|
console.warn(
|
|
'The modules option for next/dynamic has been deprecated. See here for more info https://err.sh/zeit/next.js/next-dynamic-modules'
|
|
)
|
|
}
|
|
}
|
|
// Support for `render` when using a mapping, eg: `dynamic({ modules: () => {return {HelloWorld: import('../hello-world')}, render(props, loaded) {} } })
|
|
if (dynamicOptions.render) {
|
|
loadableOptions.render = (loaded, props) =>
|
|
dynamicOptions.render!(props, loaded)
|
|
}
|
|
// Support for `modules` when using a mapping, eg: `dynamic({ modules: () => {return {HelloWorld: import('../hello-world')}, render(props, loaded) {} } })
|
|
if (dynamicOptions.modules) {
|
|
loadableFn = Loadable.Map
|
|
const loadModules: LoaderMap = {}
|
|
const modules = dynamicOptions.modules()
|
|
Object.keys(modules).forEach(key => {
|
|
const value: any = modules[key]
|
|
if (typeof value.then === 'function') {
|
|
loadModules[key] = () => value.then((mod: any) => mod.default || mod)
|
|
return
|
|
}
|
|
loadModules[key] = value
|
|
})
|
|
loadableOptions.loader = loadModules
|
|
}
|
|
}
|
|
|
|
// coming from build/babel/plugins/react-loadable-plugin.js
|
|
if (loadableOptions.loadableGenerated) {
|
|
loadableOptions = {
|
|
...loadableOptions,
|
|
...loadableOptions.loadableGenerated,
|
|
}
|
|
delete loadableOptions.loadableGenerated
|
|
}
|
|
|
|
// support for disabling server side rendering, eg: dynamic(import('../hello-world'), {ssr: false})
|
|
if (typeof loadableOptions.ssr === 'boolean') {
|
|
if (!loadableOptions.ssr) {
|
|
delete loadableOptions.ssr
|
|
return noSSR(loadableFn, loadableOptions)
|
|
}
|
|
delete loadableOptions.ssr
|
|
}
|
|
|
|
return loadableFn(loadableOptions)
|
|
}
|