69 lines
2.5 KiB
JavaScript
69 lines
2.5 KiB
JavaScript
import { jsx as _jsx, jsxs as _jsxs, Fragment as _Fragment } from "react/jsx-runtime";
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import { Suspense, Fragment, lazy } from 'react';
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import { BailoutToCSR } from './dynamic-bailout-to-csr';
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import { PreloadChunks } from './preload-chunks';
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// Normalize loader to return the module as form { default: Component } for `React.lazy`.
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// Also for backward compatible since next/dynamic allows to resolve a component directly with loader
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// Client component reference proxy need to be converted to a module.
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function convertModule(mod) {
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// Check "default" prop before accessing it, as it could be client reference proxy that could break it reference.
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// Cases:
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// mod: { default: Component }
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// mod: Component
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// mod: { default: proxy(Component) }
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// mod: proxy(Component)
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const hasDefault = mod && 'default' in mod;
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return {
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default: hasDefault ? mod.default : mod
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};
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}
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const defaultOptions = {
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loader: ()=>Promise.resolve(convertModule(()=>null)),
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loading: null,
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ssr: true
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};
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function Loadable(options) {
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const opts = {
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...defaultOptions,
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...options
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};
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const Lazy = /*#__PURE__*/ lazy(()=>opts.loader().then(convertModule));
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const Loading = opts.loading;
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function LoadableComponent(props) {
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const fallbackElement = Loading ? /*#__PURE__*/ _jsx(Loading, {
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isLoading: true,
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pastDelay: true,
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error: null
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}) : null;
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// If it's non-SSR or provided a loading component, wrap it in a suspense boundary
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const hasSuspenseBoundary = !opts.ssr || !!opts.loading;
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const Wrap = hasSuspenseBoundary ? Suspense : Fragment;
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const wrapProps = hasSuspenseBoundary ? {
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fallback: fallbackElement
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} : {};
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const children = opts.ssr ? /*#__PURE__*/ _jsxs(_Fragment, {
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children: [
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typeof window === 'undefined' ? /*#__PURE__*/ _jsx(PreloadChunks, {
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moduleIds: opts.modules
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}) : null,
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/*#__PURE__*/ _jsx(Lazy, {
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...props
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})
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]
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}) : /*#__PURE__*/ _jsx(BailoutToCSR, {
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reason: "next/dynamic",
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children: /*#__PURE__*/ _jsx(Lazy, {
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...props
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})
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});
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return /*#__PURE__*/ _jsx(Wrap, {
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...wrapProps,
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children: children
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});
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}
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LoadableComponent.displayName = 'LoadableComponent';
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return LoadableComponent;
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}
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export default Loadable;
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//# sourceMappingURL=loadable.js.map
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