@anansi/generator-js/generators/installWithYarn.js

Generate Fast React Web Apps

import { execa } from 'execa';

// custom install task
export default async function installWithYarn(packageManagerName, execPackageManager) {
  // use yarn if installed.
  // if someone installed yarn they probably mean to use it on any new projects.
  if (!packageManagerName) {
    try {
      await execa('which', ['yarn'], {
        shell: true
      });
      try {
        await execa(`corepack`, ['use yarn@*'], {
          shell: true,
          stdio: ['pipe', process.stdout, process.stderr]
        });
        // no need to do install after this works
        return;
        // eslint-disable-next-line no-empty
      } catch (e) {}

      // eslint-disable-next-line no-empty
    } catch (e) {}
  }
  // this is the default strategy
  return execPackageManager();
}
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