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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | 1x 1x 1x 1x 1x | import chalk from 'chalk' import { PACKAGES_INSTALLED } from '../internal' /** * Checks if a package is installed. * Throws an error if it doesn't (forces the cli to exit). * Notifies the user, so that they can install missing deps! */ export const isPackageInstalled = (packageName: string) => { if (!PACKAGES_INSTALLED.includes(packageName)) { throw Error( chalk.red( `Whoops, please make sure you install ${packageName}:\nnpm i --save-dev ${packageName}` ) ) } return true } |