'use strict'; const path = require('path'); const execa = require('execa'); const chalk = require('chalk'); const stopProcess = require('./stop-process'); /** * Gets the package version on npm. Will fail if the package does not exist * @param {string} packageName - Name to look up on npm, may include a specific version * @returns {Object} */ async function getPackageInfo(packageName) { const { stdout } = await execa.shell(`npm view ${packageName} name version --silent`); // Use regex to parse name and version from CLI result const [name, version] = stdout.match(/(?<=')(.*?)(?=')/gm); return { name, version }; } /** * @param {string} starter - The name of the starter as provided by the user. * @returns {Object} - The full name of the starter package's name on npm */ async function getStarterPackageInfo(starter) { // Check if starter is a shorthand try { const longhand = `@strapi/starter-${starter}`; const packageInfo = await getPackageInfo(longhand); // Hasn't crashed so it is indeed a shorthand return packageInfo; } catch (error) { // Ignore error, we now know it's not a shorthand } // Fetch version of the non-shorthand package try { return getPackageInfo(starter); } catch (error) { stopProcess(`Could not find package ${chalk.green(starter)} on npm`); } } /** * @param {Object} packageInfo - Starter's npm package information * @param {string} packageInfo.name * @param {string} packageInfo.version * @param {string} parentDir - Path inside of which we install the starter. */ async function downloadNpmStarter({ name, version }, parentDir) { // Download from npm await execa.shell(`npm install ${name}@${version} --no-save --silent`, { cwd: parentDir, }); // Return the path of the actual starter const exactStarterPath = path.dirname( require.resolve(`${name}/package.json`, { paths: [parentDir] }) ); return exactStarterPath; } module.exports = { getStarterPackageInfo, downloadNpmStarter };