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| /* eslint-disable import/no-extraneous-dependencies */ | |
| import { yellow } from 'picocolors' | |
| import spawn from 'cross-spawn' | |
| interface InstallArgs { | |
| /** | |
| * Indicate whether to install packages using Yarn. | |
| */ | |
| useYarn: boolean | |
| /** | |
| * Indicate whether there is an active Internet connection. | |
| */ | |
| isOnline: boolean | |
| /** | |
| * Indicate whether the given dependencies are devDependencies. | |
| */ | |
| devDependencies?: boolean | |
| } | |
| /** | |
| * Spawn a package manager installation with either Yarn or NPM. | |
| * | |
| * @returns A Promise that resolves once the installation is finished. | |
| */ | |
| export function install( | |
| root: string, | |
| dependencies: string[] | null, | |
| { useYarn, isOnline, devDependencies }: InstallArgs | |
| ): Promise<void> { | |
| /** | |
| * NPM-specific command-line flags. | |
| */ | |
| const npmFlags: string[] = ['--logLevel', 'error'] | |
| /** | |
| * Yarn-specific command-line flags. | |
| */ | |
| const yarnFlags: string[] = [] | |
| /** | |
| * Return a Promise that resolves once the installation is finished. | |
| */ | |
| return new Promise((resolve, reject) => { | |
| let args: string[] | |
| let command: string = useYarn ? 'yarnpkg' : 'npm' | |
| if (dependencies && dependencies.length) { | |
| /** | |
| * If there are dependencies, run a variation of `{displayCommand} add`. | |
| */ | |
| if (useYarn) { | |
| /** | |
| * Call `yarn add --exact (--offline)? (-D)? ...`. | |
| */ | |
| args = ['add', '--exact'] | |
| if (!isOnline) args.push('--offline') | |
| args.push('--cwd', root) | |
| if (devDependencies) args.push('--dev') | |
| args.push(...dependencies) | |
| } else { | |
| /** | |
| * Call `npm install [--save|--save-dev] ...`. | |
| */ | |
| args = ['install', '--save-exact'] | |
| args.push(devDependencies ? '--save-dev' : '--save') | |
| args.push(...dependencies) | |
| } | |
| } else { | |
| /** | |
| * If there are no dependencies, run a variation of `{displayCommand} | |
| * install`. | |
| */ | |
| args = ['install'] | |
| if (!isOnline) { | |
| console.log(yellow('You appear to be offline.')) | |
| if (useYarn) { | |
| console.log(yellow('Falling back to the local Yarn cache.')) | |
| console.log() | |
| args.push('--offline') | |
| } else { | |
| console.log() | |
| } | |
| } | |
| } | |
| /** | |
| * Add any package manager-specific flags. | |
| */ | |
| if (useYarn) { | |
| args.push(...yarnFlags) | |
| } else { | |
| args.push(...npmFlags) | |
| } | |
| /** | |
| * Spawn the installation process. | |
| */ | |
| const child = spawn(command, args, { | |
| stdio: 'inherit', | |
| env: { ...process.env, ADBLOCK: '1', DISABLE_OPENCOLLECTIVE: '1' }, | |
| }) | |
| child.on('close', (code) => { | |
| if (code !== 0) { | |
| reject({ command: `${command} ${args.join(' ')}` }) | |
| return | |
| } | |
| resolve() | |
| }) | |
| }) | |
| } | |