onions-node/lib/add_cra_override.js

onions-node backend

const initBackend = require('./init_backend')
const path = require('path')
module.exports = (configFilePath, rootPath) => {
  const getScriptType = () => {
    const script = process.argv[1]

    if (script.includes('build.js')) {
      return 'build'
    }
    if (script.includes('test.js')) {
      return 'test'
    }
    if (script.includes('start.js')) {
      return 'start'
    }
    if (script.includes('eject.js')) {
      return 'eject'
    }
  }
  const scriptType = getScriptType()
  if (scriptType !== 'start') {
    return (devServerConfig) => devServerConfig
  }
  let config
  try {
    if (!path.isAbsolute(configFilePath)) {
      configFilePath = path.join(rootPath, configFilePath)
    }
    config = require(configFilePath)
  } catch (e) {
    throw new Error('can not find config file, plz check your input!')
  }
  process.env.HOST = config.host || '0.0.0.0'
  process.env.PORT = config.port || 3000
  return (devServerConfig) => {
    const before = devServerConfig.before
    devServerConfig.before = (app, server) => {
      before(app, server)
      config.inDevServer = true
      initBackend(config, rootPath, app)
    }
    devServerConfig.port = config.port || 3000
    devServerConfig.host = config.host || '0.0.0.0'
    devServerConfig.historyApiFallback = false
    return devServerConfig
  }
}