Add ability to pass specific dist tag to npm publish command from publishing flow

packages/monorepo-scripts/src/publish.ts

@@ -252,6 +252,9 @@ async function lernaPublishAsync(packageToNextVersion: { [name: string]: string
             lernaPublishArgs.push('--no-git-tag-version');
             lernaPublishArgs.push('--no-push');
         }
+        if (configs.DIST_TAG !== '') {
+            lernaPublishArgs.push(`--dist-tag ${configs.DIST_TAG}`);
+        }
         utils.log('Lerna is publishing...');
         try {
             const child = spawn(lernaPublishCmd, lernaPublishArgs, {

packages/monorepo-scripts/src/utils/configs.ts

@@ -1,9 +1,11 @@
 const IS_LOCAL_PUBLISH = process.env.IS_LOCAL_PUBLISH === 'true';
+const DIST_TAG = process.env.DIST_TAG || '';
 const LOCAL_NPM_REGISTRY_URL = 'http://localhost:4873';
 const REMOTE_NPM_REGISTRY_URL = 'https://registry.npmjs.org/';
 
 export const configs = {
     IS_LOCAL_PUBLISH,
+    DIST_TAG,
     NPM_REGISTRY_URL: IS_LOCAL_PUBLISH ? LOCAL_NPM_REGISTRY_URL : REMOTE_NPM_REGISTRY_URL,
     DOCKER_HUB_ORG: '0xorg',
 };