@sap/cds-dk/bin/gen.js

Command line client and development toolkit for the SAP Cloud Application Programming Model

const { join } = require('path')
const DEBUG = /\b(y|all|cli)\b/.test(process.env.DEBUG) ? console.debug : undefined

module.exports = require(global('@sap/cds-gen', 'bin/cds-gen'))

function global (id, subpath) {
  const pkgPath = join(id, 'package.json') // package.json gives a stable entry path
  let mod
  try {
    mod = require.resolve (pkgPath, { paths: [ process.cwd(), __dirname ] })
  } catch (err) { // one more try w/ NPM global paths
      const paths = [ process.cwd(), __dirname, npmGlobalModules() ]
      try {
        mod = require.resolve (pkgPath, { paths })
      } catch (error) {
        DEBUG?.(error)
        throw `\nNo '${id}' package found. Install it with\n\n  npm i -g ${id}\n`
    }
  }
  return join(mod, '..', subpath)
}

function npmGlobalModules() {
  try {
    return require ('child_process').execSync('npm root -g').toString().trim()
  } catch (err) { DEBUG?.(err); return '' }
}