Fix publishing and prevent weird Observable issues

package.json

@@ -52,6 +52,7 @@
 		"rxjs": "^6.2.0",
 		"semver": "^5.2.0",
 		"split": "^1.0.0",
+		"symbol-observable": "^1.2.0",
 		"terminal-link": "^1.1.0",
 		"update-notifier": "^2.1.0"
 	},

source/cli.js

@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 'use strict';
+// eslint-disable-next-line import/no-unassigned-import
+require('symbol-observable'); // Important: This needs to be first to prevent weird Observable incompatibilities
 const logSymbols = require('log-symbols');
 const meow = require('meow');
 const updateNotifier = require('update-notifier');

source/index.js

@@ -84,10 +84,10 @@ module.exports = async (input = 'patch', options) => {
 				task: () => exec('yarn', ['install', '--frozen-lockfile', '--production=false']).pipe(
 					catchError(error => {
 						if (error.stderr.startsWith('error Your lockfile needs to be updated')) {
-							throwError(new Error('yarn.lock file is outdated. Run yarn, commit the updated lockfile and try again.'));
+							return throwError(new Error('yarn.lock file is outdated. Run yarn, commit the updated lockfile and try again.'));
 						}
 
-						throwError(error);
+						return throwError(error);
 					})
 				)
 			},