safe-publish-latest/bin/safe-publish-latest

#!/usr/bin/env node

'use strict';

var options = require('yargs')
	.boolean('force-in-publish')
	.default('force-in-publish', false)
	.describe('force-in-publish', 'force "in publish" check to pass')
	.help().alias('help', 'h')
	.version(require('../package.json').version).alias('version', 'v')
	.strict()
	.wrap(null)
	.argv;

// eslint-disable-next-line global-require
var inPublish = options['force-in-publish'] || require('in-publish').inPublish();
var inInstall = require('in-publish').inInstall();

if (!inInstall && !inPublish) {
	console.warn('Detected non-install and non-publish: exiting.');
}
if (!inPublish) {
	process.exit(0);
}

var path = require('path');

var pkg = require(path.join(process.cwd(), 'package.json'));
var name = pkg.name;
if (!name) {
	console.error('Error: package name is required');
	process.exit(1);
}

var version = pkg.version;
var semver = require('semver');
if (!semver.valid(version)) {
	console.error('Error: package version "' + version + '" is invalid.');
	process.exit(2);
}

var getLatestError = require('../getLatestError');
getLatestError(name, version, options, function (errors, messages) {
	if (!errors) {
		console.log([].concat(messages, 'Publish away!').join('\n'));
		process.exit(0);
	}
	console.error(errors.join('\n'));
	process.exit(3);
});