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9.3 KiB
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'yarn' : 'npm';\n\n // FIXME(perry) remove when npm 5 is supported\n if (!useYarn) {\n let npmVersion = spawn.sync('npm', ['--version']).stdout.toString().trim();\n\n if (npmVersion.match(/\\d+/)[0] === '5') {\n console.log(\n chalk.yellow(\n `\n*******************************************************************************\nERROR: npm 5 is not supported yet\n*******************************************************************************\n\nIt looks like you're using npm 5 which was recently released.\n\nCreate React Native App doesn't work with npm 5 yet, unfortunately. We\nrecommend using npm 4 or yarn until some bugs are resolved.\n\nYou can follow the known issues with npm 5 at:\nhttps://github.com/npm/npm/issues/16991\n\n*******************************************************************************\n `\n )\n );\n process.exit(1);\n }\n }\n\n const readmeExists: boolean = await pathExists(path.join(appPath, 'README.md'));\n if (readmeExists) {\n await fse.rename(path.join(appPath, 'README.md'), path.join(appPath, 'README.old.md'));\n }\n\n const appPackagePath: string = path.join(appPath, 'package.json');\n const appPackage = JSON.parse(await fse.readFile(appPackagePath));\n\n // mutate the default package.json in any ways we need to\n appPackage.main = './node_modules/react-native-scripts/build/bin/crna-entry.js';\n appPackage.scripts = {\n start: 'react-native-scripts start',\n eject: 'react-native-scripts eject',\n android: 'react-native-scripts android',\n ios: 'react-native-scripts ios',\n test: 'node node_modules/jest/bin/jest.js',\n };\n\n appPackage.jest = {\n preset: 'jest-expo',\n };\n\n if (!appPackage.dependencies) {\n appPackage.dependencies = {};\n }\n\n if (!appPackage.devDependencies) {\n appPackage.devDependencies = {};\n }\n\n // react-native-scripts is already in the package.json devDependencies\n // so we need to merge instead of assigning\n Object.assign(appPackage.dependencies, DEFAULT_DEPENDENCIES);\n Object.assign(appPackage.devDependencies, DEFAULT_DEV_DEPENDENCIES);\n\n // Write the new appPackage after copying so that we can include any existing\n await fse.writeFile(appPackagePath, JSON.stringify(appPackage, null, 2));\n\n // Copy the files for the user\n await fse.copy(path.join(ownPath, 'template'), appPath);\n\n // Rename gitignore after the fact to prevent npm from renaming it to .npmignore\n try {\n await fse.rename(path.join(appPath, 'gitignore'), path.join(appPath, '.gitignore'));\n } catch (err) {\n // Append if there's already a `.gitignore` file there\n if (err.code === 'EEXIST') {\n const data = await fse.readFile(path.join(appPath, 'gitignore'));\n await fse.appendFile(path.join(appPath, '.gitignore'), data);\n await fse.unlink(path.join(appPath, 'gitignore'));\n } else {\n throw err;\n }\n }\n const { code, command, args } = await install(appPath);\n if (code !== 0) {\n console.error('Failed to install');\n // console.error(`\\`${command} ${args.join(' ')}\\` failed`);\n return;\n }\n\n // display the cleanest way to get to the app dir\n // if the cwd + appName is equal to the full path, then just cd into appName\n let cdpath;\n if (path.resolve(cwd, appName) === appPath) {\n cdpath = appName;\n } else {\n cdpath = appPath;\n }\n\n log(\n `\n\nSuccess! Created ${appName} at ${appPath}\nInside that directory, you can run several commands:\n\n ${chalk.cyan(npmOrYarn + ' start')}\n Starts the development server so you can open your app in the Expo\n app on your phone.\n\n ${chalk.cyan(npmOrYarn + ' run ios')}\n (Mac only, requires Xcode)\n Starts the development server and loads your app in an iOS simulator.\n\n ${chalk.cyan(npmOrYarn + ' run android')}\n (Requires Android build tools)\n Starts the development server and loads your app on a connected Android\n device or emulator.\n\n ${chalk.cyan(npmOrYarn + ' test')}\n Starts the test runner.\n\n ${chalk.cyan(npmOrYarn + ' run eject')}\n Removes this tool and copies build dependencies, configuration files\n and scripts into the app directory. If you do this, you can’t go back!\n\nWe suggest that you begin by typing:\n\n ${chalk.cyan('cd ' + cdpath)}\n ${chalk.cyan(npmOrYarn + ' start')}`\n );\n\n if (readmeExists) {\n log(\n `\n${chalk.yellow('You had a `README.md` file, we renamed it to `README.old.md`')}`\n );\n }\n\n log();\n log('Happy hacking!');\n};\n"]} |