@futagoza/publish-package/lib/generateCommand.js

A 'npm/yarn publish' wrapper with my preferred defaults.

"use strict";

/**
 * Generate the command `npm` or `yarn`, based on the options.
 * 
 * @param {{}} options An options object passed to the callee, then passed here.
 * @param {String} preference The default tool to use (defaults to _npm_).
 * @returns {String} `npm`, `npm.cmd`, `yarn`, or `yarn.cmd`
 */
function generateCommand( options = {}, preference = "npm" ) {

    if ( options.dry || options.dryRun || options[ "dry-run" ] ) return "npm";

    if ( options.yarn || options.newVersion || options[ "new-version" ] ) return "yarn";

    return preference;

}

module.exports = generateCommand;