publish-please/lib/publish/pack-script.js

Safe and highly functional replacement for `npm publish`.

'use strict';

const pathSeparator = require('path').sep;
const spawn = require('cp-sugar').spawn;
const reporter = require('../reporters/current');
const pathJoin = require('path').join;
const unlink = require('fs').unlinkSync;
const readPkg = require('../utils/read-package-json').readPkgSync;
const fileExists = require('fs').existsSync;

module.exports = function pack(projectDir) {
    projectDir = projectDir || process.cwd();
    const pkg = readPkg(projectDir);
    const command = 'npm pack';
    const projectName = projectDir.split(pathSeparator).pop();
    return spawn(command).then(() => reporter.current().reportSucceededProcess(`${projectName} is safe to be published.`)).then(() => {
        const file = pathJoin(projectDir, `${pkg.name}-${pkg.version}.tgz`);
        if (fileExists(file)) {
            unlink(file);
        }
    });
};