"use strict";
module.exports = yarn;
const debug = require('debug')('snyk');
const exec = require('child_process').exec;
function yarn(method, packages, live, cwd, flags) {
    flags = flags || [];
    if (!packages) {
        packages = [];
    }
    if (!Array.isArray(packages)) {
        packages = [packages];
    }
    method += ' ' + flags.join(' ');
    return new Promise((resolve, reject) => {
        const cmd = 'yarn ' + method + ' ' + packages.join(' ');
        if (!cwd) {
            cwd = process.cwd();
        }
        debug('%s$ %s', cwd, cmd);
        if (!live) {
            debug('[skipping - dry run]');
            return resolve();
        }
        exec(cmd, {
            cwd: cwd,
        }, (error, stdout, stderr) => {
            if (error) {
                return reject(error);
            }
            if (stderr.indexOf('ERR!') !== -1) {
                console.error(stderr.trim());
                const e = new Error('Yarn update issues: ' + stderr.trim());
                e.code = 'FAIL_UPDATE';
                return reject(e);
            }
            debug('yarn %s complete', method);
            resolve();
        });
    });
}
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