next/dist/lib/helpers/install.js

The React Framework

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.install = install;
var _chalk = _interopRequireDefault(require("next/dist/compiled/chalk"));
var _crossSpawn = _interopRequireDefault(require("next/dist/compiled/cross-spawn"));
function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    };
}
function install(root, dependencies, { useYarn , isOnline , devDependencies  }) {
    /**
   * NPM-specific command-line flags.
   */ const npmFlags = [];
    /**
   * Yarn-specific command-line flags.
   */ const yarnFlags = [];
    /**
   * Return a Promise that resolves once the installation is finished.
   */ return new Promise((resolve, reject)=>{
        let args;
        let command = 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(_chalk.default.yellow('You appear to be offline.'));
                if (useYarn) {
                    console.log(_chalk.default.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 = (0, _crossSpawn).default(command, args, {
            stdio: 'inherit',
            env: {
                ...process.env,
                NODE_ENV: devDependencies ? 'development' : 'production',
                ADBLOCK: '1',
                DISABLE_OPENCOLLECTIVE: '1'
            }
        });
        child.on('close', (code)=>{
            if (code !== 0) {
                reject({
                    command: `${command} ${args.join(' ')}`
                });
                return;
            }
            resolve();
        });
    });
}

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