Method exec

deps/npm/lib/commands/dedupe.js:29–54

()

  ]

  async exec () {
    if (this.npm.global) {
      const er = new Error('`npm dedupe` does not work in global mode.')
      er.code = 'EDEDUPEGLOBAL'
      throw er
    }

    const dryRun = this.npm.config.get('dry-run')
    const where = this.npm.prefix
    const Arborist = require('@npmcli/arborist')
    const { policy: allowScriptsPolicy } = await resolveAllowScripts(this.npm)
    const opts = {
      ...this.npm.flatOptions,
      path: where,
      dryRun,
      // Saving during dedupe would only update if one of your direct dependencies was also duplicated somewhere in your tree.
      // It would be confusing if running this were to also update your package.json.
      // In order to reduce potential confusion we set this to false.
      save: false,
      workspaces: this.workspaceNames,
      allowScripts: allowScriptsPolicy,
    }
    const arb = new Arborist(opts)
    await arb.dedupe(opts)
    await reifyFinish(this.npm, arb)
  }
}

module.exports = Dedupe