text: /**
  @copyright (c) 2017-present James Kyle <me@thejameskyle.com>
   MIT License
   Permission is hereby granted, free of charge, to any person obtaining
  a copy of this software and associated documentation files (the
  "Software"), to deal in the Software without restriction, including
  without limitation the rights to use, copy, modify, merge, publish,
  distribute, sublicense, and/or sell copies of the Software, and to
  permit persons to whom the Software is furnished to do so, subject to
  the following conditions:
   The above copyright notice and this permission notice shall be
  included in all copies or substantial portions of the Software.
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
  */
  // https://github.com/jamiebuilds/react-loadable/blob/v5.5.0/src/index.js
  // Modified to be compatible with webpack 4 / Next.js
  
  import React from 'react'
  import { useSubscription } from 'next/dist/compiled/use-subscription'
  import { LoadableContext } from './loadable-context'
  
  const ALL_INITIALIZERS = []
  const READY_INITIALIZERS = []
  let initialized = false
  
  function load(loader) {
    let promise = loader()
  
    let state = {
      loading: true,
      loaded: null,
      error: null,
    }
  
    state.promise = promise
      .then((loaded) => {
        state.loading = false
        state.loaded = loaded
        return loaded
      })
      .catch((err) => {
        state.loading = false
        state.error = err
        throw err
      })
  
    return state
  }
  
  function resolve(obj) {
    return obj && obj.__esModule ? obj.default : obj
  }
  
  function createLoadableComponent(loadFn, options) {
    let opts = Object.assign(
      {
        loader: null,
        loading: null,
        delay: 200,
        timeout: null,
        webpack: null,
        modules: null,
        suspense: false,
      },
      options
    )
  
    if (opts.suspense) {
      opts.lazy = React.lazy(opts.loader)
    }
  
    let subscription = null
    function init() {
      if (!subscription) {
        const sub = new LoadableSubscription(loadFn, opts)
        subscription = {
          getCurrentValue: sub.getCurrentValue.bind(sub),
          subscribe: sub.subscribe.bind(sub),
          retry: sub.retry.bind(sub),
          promise: sub.promise.bind(sub),
        }
      }
      return subscription.promise()
    }
  
    // Server only
    if (typeof window === 'undefined' && !opts.suspense) {
      ALL_INITIALIZERS.push(init)
    }
  
    // Client only
    if (!initialized && typeof window !== 'undefined' && !opts.suspense) {
      // require.resolveWeak check is needed for environments that don't have it available like Jest
      const moduleIds =
        opts.webpack && typeof require.resolveWeak === 'function'
          ? opts.webpack()
          : opts.modules
      if (moduleIds) {
        READY_INITIALIZERS.push((ids) => {
          for (const moduleId of moduleIds) {
            if (ids.indexOf(moduleId) !== -1) {
              return init()
            }
          }
        })
      }
    }
  
    function LoadableImpl(props, ref) {
      init()
  
      const context = React.useContext(LoadableContext)
      const state = useSubscription(subscription)
      React.useImperativeHandle(
        ref,
        () => ({
          retry: subscription.retry,
        }),
        []
      )
  
      if (context && Array.isArray(opts.modules)) {
        opts.modules.forEach((moduleName) => {
          context(moduleName)
        })
      }
  
      return React.useMemo(() => {
        if (state.loading || state.error) {
          return React.createElement(opts.loading, {
            isLoading: state.loading,
            pastDelay: state.pastDelay,
            timedOut: state.timedOut,
            error: state.error,
            retry: subscription.retry,
          })
        } else if (state.loaded) {
          return React.createElement(resolve(state.loaded), props)
        } else {
          return null
        }
      }, [props, state])
    }
  
    function LazyImpl(props, ref) {
      return React.createElement(opts.lazy, { ...props, ref })
    }
  
    const LoadableComponent = opts.suspense ? LazyImpl : LoadableImpl
    LoadableComponent.preload = () => !opts.suspense && init()
    LoadableComponent.displayName = 'LoadableComponent'
  
    return React.forwardRef(LoadableComponent)
  }
  
  class LoadableSubscription {
    constructor(loadFn, opts) {
      this._loadFn = loadFn
      this._opts = opts
      this._callbacks = new Set()
      this._delay = null
      this._timeout = null
  
      this.retry()
    }
  
    promise() {
      return this._res.promise
    }
  
    retry() {
      this._clearTimeouts()
      this._res = this._loadFn(this._opts.loader)
  
      this._state = {
        pastDelay: false,
        timedOut: false,
      }
  
      const { _res: res, _opts: opts } = this
  
      if (res.loading) {
        if (typeof opts.delay === 'number') {
          if (opts.delay === 0) {
            this._state.pastDelay = true
          } else {
            this._delay = setTimeout(() => {
              this._update({
                pastDelay: true,
              })
            }, opts.delay)
          }
        }
  
        if (typeof opts.timeout === 'number') {
          this._timeout = setTimeout(() => {
            this._update({ timedOut: true })
          }, opts.timeout)
        }
      }
  
      this._res.promise
        .then(() => {
          this._update({})
          this._clearTimeouts()
        })
        .catch((_err) => {
          this._update({})
          this._clearTimeouts()
        })
      this._update({})
    }
  
    _update(partial) {
      this._state = {
        ...this._state,
        error: this._res.error,
        loaded: this._res.loaded,
        loading: this._res.loading,
        ...partial,
      }
      this._callbacks.forEach((callback) => callback())
    }
  
    _clearTimeouts() {
      clearTimeout(this._delay)
      clearTimeout(this._timeout)
    }
  
    getCurrentValue() {
      return this._state
    }
  
    subscribe(callback) {
      this._callbacks.add(callback)
      return () => {
        this._callbacks.delete(callback)
      }
    }
  }
  
  function Loadable(opts) {
    return createLoadableComponent(load, opts)
  }
  
  function flushInitializers(initializers, ids) {
    let promises = []
  
    while (initializers.length) {
      let init = initializers.pop()
      promises.push(init(ids))
    }
  
    return Promise.all(promises).then(() => {
      if (initializers.length) {
        return flushInitializers(initializers, ids)
      }
    })
  }
  
  Loadable.preloadAll = () => {
    return new Promise((resolveInitializers, reject) => {
      flushInitializers(ALL_INITIALIZERS).then(resolveInitializers, reject)
    })
  }
  
  Loadable.preloadReady = (ids = []) => {
    return new Promise((resolvePreload) => {
      const res = () => {
        initialized = true
        return resolvePreload()
      }
      // We always will resolve, errors should be handled within loading UIs.
      flushInitializers(READY_INITIALIZERS, ids).then(res, res)
    })
  }
  
  if (typeof window !== 'undefined') {
    window.__NEXT_PRELOADREADY = Loadable.preloadReady
  }
  
  export default Loadable
  