Use version-7 npm tag for v7 publishes (#15201)

* Use version-7 npm tag for v7 publishes

Assisted-By: devx/988c1e2f-7688-4786-a6e7-89ad2f4a9d6e

* Updates

* Updates

Author: brophdawg11

scripts/changes/publish.ts

@@ -59,7 +59,8 @@ if (!branch) {
   throw new Error("--branch is required");
 }
 
-let isLatest = branch === "main";
+let shouldTagGithubReleaseAsLatest = branch === "main";
+let shouldUseVersion7NpmTag = branch === "v7";
 
 interface PublishedPackage {
   packageName: string;
@@ -195,16 +196,26 @@ async function main() {
   // Publish packages to npm
   console.log("Publishing packages to npm...\n");
 
-  // Single-phase publish: everything as latest
-  let publishCommand =
-    'pnpm publish --recursive --filter "./packages/*" --access public --no-git-checks --report-summary';
+  let args = `--access public --no-git-checks --report-summary`;
+  let publishCommands = shouldUseVersion7NpmTag
+    ? // Two-phase publish:
+      //  - everything except `react-router-dom` as `version-7`
+      //  - `react-router-dom` as `latest` because it was dropped in v8
+      [
+        `pnpm publish --recursive --filter "./packages/*" --filter "!react-router-dom" --tag version-7 ${args}`,
+        `pnpm publish --recursive --filter react-router-dom ${args}`,
+      ]
+    : // Single-phase publish: everything as latest
+      [`pnpm publish --recursive --filter "./packages/*" ${args}`];
 
   // In dry run mode, query npm to determine what would be published
   // and preview the GitHub releases. This is designed to be run against
   // the contents of the "Release" PR / `pnpm changes:version` output.
   if (dryRun) {
     console.log("Would run:");
-    console.log(`  $ ${publishCommand}`);
+    for (let publishCommand of publishCommands) {
+      console.log(`  $ ${publishCommand}`);
+    }
     console.log();
 
     console.log("Checking npm for unpublished versions...\n");
@@ -251,8 +262,10 @@ async function main() {
   }
 
   // Publish to npm
-  logAndExec(publishCommand);
-  let published = readPublishSummary();
+  let published = publishCommands.flatMap((publishCommand) => {
+    logAndExec(publishCommand);
+    return readPublishSummary();
+  });
 
   if (published.length === 0) {
     console.log("\nNo packages were published.");
@@ -305,7 +318,7 @@ async function main() {
       pkg.packageName,
       pkg.version,
       getGithubReleaseBody(pkg.version),
-      { makeLatest: isLatest },
+      { makeLatest: shouldTagGithubReleaseAsLatest },
     );
     if (result.status === "created") {
       console.log(`  ✓ ${pkg.packageName} v${pkg.version}`);