id-generators/lib/require-peer.js

id-generators is small JavaScript library to generate ID with awesome Unique ID libraries.

'use strict';

function requirePeer(moduleName) {
  try {
    return require(moduleName);
  } catch (error) {
    console.warn(error);
    const moduleNameBase = moduleName.replace(/\/.*/, '');
    throw new Error(
      `Cannot find module '${moduleName}'.\n'id-generators' requires a peer of '${moduleNameBase}' but none is installed. You must install peer dependencies yourself.\nRun 'npm install ${moduleNameBase}'`
    );
  }
}

module.exports = requirePeer;