Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

webapp/scripts/utils.js

@@ -0,0 +1,47 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+const path = require('path');
+
+const chalk = require('chalk');
+
+const packageJson = require('../package.json');
+
+function getWorkspaces() {
+    return packageJson.workspaces;
+}
+
+function getPlatformPackagesContainingCommand(scriptName) {
+    return getWorkspaces().filter((workspace) => {
+        if (!workspace.startsWith('platform/')) {
+            return false;
+        }
+
+        // eslint-disable-next-line global-require
+        const workspacePackageJson = require(path.join(__dirname, '..', workspace, 'package.json'));
+
+        return workspacePackageJson?.scripts?.[scriptName];
+    });
+}
+
+/**
+ * Returns an array of concurrently commands to run a given script on every platform workspace that contains it.
+ */
+function getPlatformCommands(scriptName) {
+    return getPlatformPackagesContainingCommand(scriptName).map((workspace) => ({
+        command: `npm:${scriptName} --workspace=${workspace}`,
+        name: workspace.substring(workspace.lastIndexOf('/') + 1),
+        prefixColor: getColorForWorkspace(workspace),
+    }));
+}
+
+const workspaceColors = ['green', 'magenta', 'yellow', 'red', 'blue'];
+function getColorForWorkspace(workspace) {
+    const index = getWorkspaces().indexOf(workspace);
+
+    return index === -1 ? chalk.white : workspaceColors[index % workspaceColors.length];
+}
+
+module.exports = {
+    getPlatformCommands,
+};