copy-npm-package-name.js

const process = require("process");
const fs = require("fs");
const path = require("path");
const child_process = require("child_process");

const targetFileOrFolder = path.resolve(...process.argv);

console.log(targetFileOrFolder);

const runShellCommand = (command, ...args) => {
  return new Promise((resolve, reject) => {
    const childProcess = child_process.exec(
      command,
      {
        shell: true,
        cwd: targetFileOrFolder
      },
      (error, stdout, stderr) => {
        resolve(stdout);
      }
    );
    childProcess.once('error', (err) => {
      reject(err);
    });
  });
};

const run = async () => {
  let packageJsonDirectory = await runShellCommand("npm prefix");
  packageJsonDirectory = packageJsonDirectory.trim();
  console.log('ting'+packageJsonDirectory);
  const packageJson = await require(`${packageJsonDirectory}\\package.json`);
  const packageName = packageJson.name;
  console.log(packageName);

  var child = child_process.spawn('clip');
  child.stdin.write(packageName);
  child.stdin.end();
};

run().catch(e => {console.error(e)});