server/lib/plugins/yarn.ts

   1 import { execShell } from '../../helpers/core-utils'
   2 import { logger } from '../../helpers/logger'
   3 import { isNpmPluginNameValid, isPluginVersionValid } from '../../helpers/custom-validators/plugins'
   4 import { CONFIG } from '../../initializers/config'
   5 import { outputJSON, pathExists } from 'fs-extra'
   6 import { join } from 'path'
   7
   8 async function installNpmPlugin (name: string, version: string) {
   9   // Security check
  10   checkNpmPluginNameOrThrow(name)
  11   checkPluginVersionOrThrow(version)
  12
  13   const toInstall = `${name}@${version}`
  14   await execYarn('add ' + toInstall)
  15 }
  16
  17 async function installNpmPluginFromDisk (path: string) {
  18   await execYarn('add file:' + path)
  19 }
  20
  21 async function removeNpmPlugin (name: string) {
  22   checkNpmPluginNameOrThrow(name)
  23
  24   await execYarn('remove ' + name)
  25 }
  26
  27 // ############################################################################
  28
  29 export {
  30   installNpmPlugin,
  31   installNpmPluginFromDisk,
  32   removeNpmPlugin
  33 }
  34
  35 // ############################################################################
  36
  37 async function execYarn (command: string) {
  38   try {
  39     const pluginDirectory = CONFIG.STORAGE.PLUGINS_DIR
  40     const pluginPackageJSON = join(pluginDirectory, 'package.json')
  41
  42     // Create empty package.json file if needed
  43     if (!await pathExists(pluginPackageJSON)) {
  44       await outputJSON(pluginPackageJSON, {})
  45     }
  46
  47     await execShell(`yarn ${command}`, { cwd: pluginDirectory })
  48   } catch (result) {
  49     logger.error('Cannot exec yarn.', { command, err: result.err, stderr: result.stderr })
  50
  51     throw result.err
  52   }
  53 }
  54
  55 function checkNpmPluginNameOrThrow (name: string) {
  56   if (!isNpmPluginNameValid(name)) throw new Error('Invalid NPM plugin name to install')
  57 }
  58
  59 function checkPluginVersionOrThrow (name: string) {
  60   if (!isPluginVersionValid(name)) throw new Error('Invalid NPM plugin version to install')
  61 }