uppy/packages/@uppy/remote-sources/src/index.js

import { BasePlugin } from '@uppy/core'
import Dropbox from '@uppy/dropbox'
import GoogleDrive from '@uppy/google-drive'
import Instagram from '@uppy/instagram'
import Facebook from '@uppy/facebook'
import OneDrive from '@uppy/onedrive'
import Box from '@uppy/box'
import Unsplash from '@uppy/unsplash'
import Url from '@uppy/url'
import Zoom from '@uppy/zoom'

import packageJson from '../package.json'

const availablePlugins = {
  // Using a null-prototype object to avoid prototype pollution.
  __proto__: null,
  Box,
  Dropbox,
  Facebook,
  GoogleDrive,
  Instagram,
  OneDrive,
  Unsplash,
  Url,
  Zoom,
}

export default class RemoteSources extends BasePlugin {
  static VERSION = packageJson.version

  #installedPlugins = new Set()

  constructor (uppy, opts) {
    super(uppy, opts)
    this.id = this.opts.id || 'RemoteSources'
    this.type = 'preset'

    const defaultOptions = {
      sources: Object.keys(availablePlugins),
    }
    this.opts = { ...defaultOptions, ...opts }

    if (this.opts.companionUrl == null) {
      throw new Error('Please specify companionUrl for RemoteSources to work, see https://uppy.io/docs/remote-sources#companionUrl')
    }
  }

  setOptions (newOpts) {
    this.uninstall()
    super.setOptions(newOpts)
    this.install()
  }

  install () {
    this.opts.sources.forEach((pluginId) => {
      const optsForRemoteSourcePlugin = { ...this.opts, sources: undefined }
      const plugin = availablePlugins[pluginId]
      if (plugin == null) {
        const pluginNames = Object.keys(availablePlugins)
        const formatter = new Intl.ListFormat('en', { style: 'long', type: 'disjunction' })
        throw new Error(`Invalid plugin: "${pluginId}" is not one of: ${formatter.format(pluginNames)}.`)
      }
      this.uppy.use(plugin, optsForRemoteSourcePlugin)
      // `plugin` is a class, but we want to track the instance object
      // so we have to do `getPlugin` here.
      this.#installedPlugins.add(this.uppy.getPlugin(pluginId))
    })
  }

  uninstall () {
    for (const plugin of this.#installedPlugins) {
      this.uppy.removePlugin(plugin)
    }
    this.#installedPlugins.clear()
  }
}