sherry-utils/lib/npmClient.js

sherry-utils for Sherry

const { spawn } = require('./spawn')

class NpmClient {
  constructor() {
    // Yarn first by default.
    const { stdout, status } = spawn.sync('yarn', ['--version'])
    this.set(status === 0 && stdout ? 'yarn' : 'npm')
  }

  set(npmClient) {
    if (typeof npmClient === 'string') {
      if (npmClient.includes('npm')) {
        this.commandName = npmClient
        this.baseOn = 'npm'
      } else if (npmClient.includes('yarn')) {
        this.commandName = npmClient
        this.baseOn = 'yarn'
      }
    }
    // Custom NPM Client
    if (typeof npmClient === 'object') {
      const { commandName, baseOn } = npmClient
      if (commandName) {
        this.commandName = commandName
      }
      if (baseOn) {
        this.baseOn = baseOn
      }
    }
  }

  isPublicClient() {
    return this.commandName === 'npm' || this.commandName === 'yarn'
  }
}

module.exports = new NpmClient()