run.ts

import {BaseCommand}  from '@yarnpkg/cli';
import {structUtils}  from '@yarnpkg/core';
import {npath, ppath} from '@yarnpkg/fslib';
import {Option}       from 'clipanion';

// eslint-disable-next-line arca/no-default-export
export default class EntryCommand extends BaseCommand {
  leadingArgument = Option.String();
  args = Option.Proxy();

  async execute() {
    if (this.leadingArgument.match(/[\\/]/) && !structUtils.tryParseIdent(this.leadingArgument)) {
      const newCwd = ppath.resolve(this.context.cwd, npath.toPortablePath(this.leadingArgument));
      return await this.cli.run(this.args, {cwd: newCwd});
    } else {
      return await this.cli.run([`run`, this.leadingArgument, ...this.args]);
    }
  }
}