From 2c2323a3d6bd4906698b8edd0a4d78bf258857c2 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 29 Jul 2026 23:40:28 +0000
Subject: [PATCH 1/6] fix: build preview packages before pkg-pr-new publish

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 eng/tsp-core/pkg-pr-new.ts | 48 ++++++++++++++++++++++++++++++++++----
 1 file changed, 43 insertions(+), 5 deletions(-)

diff --git a/eng/tsp-core/pkg-pr-new.ts b/eng/tsp-core/pkg-pr-new.ts
index ef96f0fbbf8..3724622e474 100644
--- a/eng/tsp-core/pkg-pr-new.ts
+++ b/eng/tsp-core/pkg-pr-new.ts
@@ -1,7 +1,8 @@
 import { execSync } from "child_process";
+import { join } from "path";
 import { repoRoot } from "../common/scripts/utils/common.ts";
 import { listChangedFilesSince } from "../common/scripts/utils/git.ts";
-import { getPublishablePackages } from "./tpm/packages.ts";
+import { CRITICAL_PACKAGES, getPublishablePackages, type PackageInfo } from "./tpm/packages.ts";
 
 const files = await listChangedFilesSince(`origin/main`, { repositoryPath: repoRoot });
 
@@ -11,7 +12,8 @@ console.log("modified files:", files);
 const packages = await getPublishablePackages();
 const paths = packages.map((pkg) => pkg.path);
 
-const modifiedPaths = paths.filter((x) => files.some((f) => f.startsWith(x + "/")));
+const modifiedPackages = packages.filter((pkg) => files.some((f) => f.startsWith(pkg.path + "/")));
+const modifiedPaths = modifiedPackages.map((pkg) => pkg.path);
 // eslint-disable-next-line no-console
 console.log("Packages", { all: paths, modified: modifiedPaths });
 if (modifiedPaths.length === 0) {
@@ -19,12 +21,48 @@ if (modifiedPaths.length === 0) {
   console.log("No modified packages found.");
   process.exit(0);
 }
-try {
-  execSync(`pnpx pkg-pr-new publish ${modifiedPaths.map((x) => `'${x}'`).join(" ")} --pnpm`, {
+
+function runCommand(command: string, cwd: string): void {
+  execSync(command, {
     stdio: "inherit",
     encoding: "utf-8",
-    cwd: repoRoot,
+    cwd,
   });
+}
+
+function buildPnpmFilterArgs(packages: PackageInfo[]): string {
+  const criticalFilters = CRITICAL_PACKAGES.map((name) => `--filter "${name}..."`);
+  const criticalDirNames = new Set(CRITICAL_PACKAGES.map((name) => name.replace(/^@typespec\//, "")));
+  const restFilters = packages
+    .filter((p) => !criticalDirNames.has(p.name))
+    .map((p) => `--filter "./${p.name}..."`);
+  return [...criticalFilters, ...restFilters].join(" ");
+}
+
+try {
+  const pnpmPackages = modifiedPackages.filter((p) => !p.isStandalone);
+  const standalonePackages = modifiedPackages.filter((p) => p.isStandalone);
+
+  if (pnpmPackages.length > 0) {
+    const filters = buildPnpmFilterArgs(pnpmPackages);
+    // eslint-disable-next-line no-console
+    console.log(`Building pnpm packages with filters: ${filters}`);
+    runCommand(`pnpm ${filters} run build`, repoRoot);
+  }
+
+  for (const pkg of standalonePackages) {
+    // eslint-disable-next-line no-console
+    console.log(`Building standalone package: ${pkg.path}`);
+    runCommand("npm run build", join(repoRoot, pkg.path));
+  }
+} catch (e: any) {
+  // eslint-disable-next-line no-console
+  console.error("Failed to build modified packages before pkg-pr-new publish");
+  process.exit(1);
+}
+
+try {
+  runCommand(`pnpx pkg-pr-new publish ${modifiedPaths.map((x) => `'${x}'`).join(" ")} --pnpm`, repoRoot);
 } catch (e: any) {
   // eslint-disable-next-line no-console
   console.error("Failed to run pkg-pr-new publish");

From cb4bd976a77e3ee811e24adb76c775ee9a45d227 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 29 Jul 2026 23:44:22 +0000
Subject: [PATCH 2/6] fix: ensure pkg-pr-new publishes built preview packages

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 eng/tsp-core/pkg-pr-new.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/eng/tsp-core/pkg-pr-new.ts b/eng/tsp-core/pkg-pr-new.ts
index 3724622e474..bcdc233d451 100644
--- a/eng/tsp-core/pkg-pr-new.ts
+++ b/eng/tsp-core/pkg-pr-new.ts
@@ -32,7 +32,9 @@ function runCommand(command: string, cwd: string): void {
 
 function buildPnpmFilterArgs(packages: PackageInfo[]): string {
   const criticalFilters = CRITICAL_PACKAGES.map((name) => `--filter "${name}..."`);
-  const criticalDirNames = new Set(CRITICAL_PACKAGES.map((name) => name.replace(/^@typespec\//, "")));
+  const criticalDirNames = new Set(
+    CRITICAL_PACKAGES.map((name) => name.replace(/^@typespec\//, "")),
+  );
   const restFilters = packages
     .filter((p) => !criticalDirNames.has(p.name))
     .map((p) => `--filter "./${p.name}..."`);
@@ -62,7 +64,10 @@ try {
 }
 
 try {
-  runCommand(`pnpx pkg-pr-new publish ${modifiedPaths.map((x) => `'${x}'`).join(" ")} --pnpm`, repoRoot);
+  runCommand(
+    `pnpx pkg-pr-new publish ${modifiedPaths.map((x) => `'${x}'`).join(" ")} --pnpm`,
+    repoRoot,
+  );
 } catch (e: any) {
   // eslint-disable-next-line no-console
   console.error("Failed to run pkg-pr-new publish");

From 7f0394261d7ca7b6772cd85ee93c30745ad443e4 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 30 Jul 2026 00:14:29 +0000
Subject: [PATCH 3/6] fix: correct tpm build filter paths for modified packages

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 eng/tsp-core/pkg-pr-new.ts | 53 ++++----------------------------------
 eng/tsp-core/tpm/cli.ts    |  2 +-
 2 files changed, 6 insertions(+), 49 deletions(-)

diff --git a/eng/tsp-core/pkg-pr-new.ts b/eng/tsp-core/pkg-pr-new.ts
index bcdc233d451..ef96f0fbbf8 100644
--- a/eng/tsp-core/pkg-pr-new.ts
+++ b/eng/tsp-core/pkg-pr-new.ts
@@ -1,8 +1,7 @@
 import { execSync } from "child_process";
-import { join } from "path";
 import { repoRoot } from "../common/scripts/utils/common.ts";
 import { listChangedFilesSince } from "../common/scripts/utils/git.ts";
-import { CRITICAL_PACKAGES, getPublishablePackages, type PackageInfo } from "./tpm/packages.ts";
+import { getPublishablePackages } from "./tpm/packages.ts";
 
 const files = await listChangedFilesSince(`origin/main`, { repositoryPath: repoRoot });
 
@@ -12,8 +11,7 @@ console.log("modified files:", files);
 const packages = await getPublishablePackages();
 const paths = packages.map((pkg) => pkg.path);
 
-const modifiedPackages = packages.filter((pkg) => files.some((f) => f.startsWith(pkg.path + "/")));
-const modifiedPaths = modifiedPackages.map((pkg) => pkg.path);
+const modifiedPaths = paths.filter((x) => files.some((f) => f.startsWith(x + "/")));
 // eslint-disable-next-line no-console
 console.log("Packages", { all: paths, modified: modifiedPaths });
 if (modifiedPaths.length === 0) {
@@ -21,53 +19,12 @@ if (modifiedPaths.length === 0) {
   console.log("No modified packages found.");
   process.exit(0);
 }
-
-function runCommand(command: string, cwd: string): void {
-  execSync(command, {
+try {
+  execSync(`pnpx pkg-pr-new publish ${modifiedPaths.map((x) => `'${x}'`).join(" ")} --pnpm`, {
     stdio: "inherit",
     encoding: "utf-8",
-    cwd,
+    cwd: repoRoot,
   });
-}
-
-function buildPnpmFilterArgs(packages: PackageInfo[]): string {
-  const criticalFilters = CRITICAL_PACKAGES.map((name) => `--filter "${name}..."`);
-  const criticalDirNames = new Set(
-    CRITICAL_PACKAGES.map((name) => name.replace(/^@typespec\//, "")),
-  );
-  const restFilters = packages
-    .filter((p) => !criticalDirNames.has(p.name))
-    .map((p) => `--filter "./${p.name}..."`);
-  return [...criticalFilters, ...restFilters].join(" ");
-}
-
-try {
-  const pnpmPackages = modifiedPackages.filter((p) => !p.isStandalone);
-  const standalonePackages = modifiedPackages.filter((p) => p.isStandalone);
-
-  if (pnpmPackages.length > 0) {
-    const filters = buildPnpmFilterArgs(pnpmPackages);
-    // eslint-disable-next-line no-console
-    console.log(`Building pnpm packages with filters: ${filters}`);
-    runCommand(`pnpm ${filters} run build`, repoRoot);
-  }
-
-  for (const pkg of standalonePackages) {
-    // eslint-disable-next-line no-console
-    console.log(`Building standalone package: ${pkg.path}`);
-    runCommand("npm run build", join(repoRoot, pkg.path));
-  }
-} catch (e: any) {
-  // eslint-disable-next-line no-console
-  console.error("Failed to build modified packages before pkg-pr-new publish");
-  process.exit(1);
-}
-
-try {
-  runCommand(
-    `pnpx pkg-pr-new publish ${modifiedPaths.map((x) => `'${x}'`).join(" ")} --pnpm`,
-    repoRoot,
-  );
 } catch (e: any) {
   // eslint-disable-next-line no-console
   console.error("Failed to run pkg-pr-new publish");
diff --git a/eng/tsp-core/tpm/cli.ts b/eng/tsp-core/tpm/cli.ts
index 79fd95ffae3..2ee35dc66aa 100644
--- a/eng/tsp-core/tpm/cli.ts
+++ b/eng/tsp-core/tpm/cli.ts
@@ -71,7 +71,7 @@ function buildPnpmFilterArgs(packages: PackageInfo[]): string {
   );
   const restFilters = packages
     .filter((p) => !criticalDirNames.has(p.name))
-    .map((p) => `--filter "./${p.name}..."`);
+    .map((p) => `--filter "./${p.path}..."`);
   return [...criticalFilters, ...restFilters].join(" ");
 }
 

From 3426b362a336a2e92dcea6a5b7c324d4221fd5d2 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 30 Jul 2026 00:28:12 +0000
Subject: [PATCH 4/6] docs(http-server-js): add dummy change for preview build
 test

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 packages/http-server-js/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/http-server-js/README.md b/packages/http-server-js/README.md
index b9b1ae3b87a..3987df75103 100644
--- a/packages/http-server-js/README.md
+++ b/packages/http-server-js/README.md
@@ -2,7 +2,7 @@
 
 :warning: **This package is highly experimental and may be subject to breaking changes and bugs.** Please expect that your code may need to be updated as this package evolves, and please report any issues you encounter.
 
-TypeSpec HTTP server code generator for JavaScript
+TypeSpec HTTP server code generator for JavaScript.
 
 ## Install
 

From 7669fe9dc3506540445879337cd70f4aaa0d900a Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 30 Jul 2026 01:23:32 +0000
Subject: [PATCH 5/6] fix(tpm): use package-name filters for build dependency
 graph

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 eng/tsp-core/tpm/cli.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/eng/tsp-core/tpm/cli.ts b/eng/tsp-core/tpm/cli.ts
index 2ee35dc66aa..f3416352f3a 100644
--- a/eng/tsp-core/tpm/cli.ts
+++ b/eng/tsp-core/tpm/cli.ts
@@ -71,7 +71,7 @@ function buildPnpmFilterArgs(packages: PackageInfo[]): string {
   );
   const restFilters = packages
     .filter((p) => !criticalDirNames.has(p.name))
-    .map((p) => `--filter "./${p.path}..."`);
+    .map((p) => `--filter "${p.name}..."`);
   return [...criticalFilters, ...restFilters].join(" ");
 }
 

From b32dd5b264bd029d0df786f3d5f36b4c8ab5d416 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 30 Jul 2026 13:39:44 +0000
Subject: [PATCH 6/6] revert: remove http-server-js dummy README change

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 packages/http-server-js/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/http-server-js/README.md b/packages/http-server-js/README.md
index 3987df75103..b9b1ae3b87a 100644
--- a/packages/http-server-js/README.md
+++ b/packages/http-server-js/README.md
@@ -2,7 +2,7 @@
 
 :warning: **This package is highly experimental and may be subject to breaking changes and bugs.** Please expect that your code may need to be updated as this package evolves, and please report any issues you encounter.
 
-TypeSpec HTTP server code generator for JavaScript.
+TypeSpec HTTP server code generator for JavaScript
 
 ## Install