fix(release): validate plugin npm publish args

scripts/plugin-npm-publish.sh

@@ -2,18 +2,40 @@
 
 set -euo pipefail
 
-mode="${1:-}"
-package_dir="${2:-}"
+usage() {
+  echo "usage: bash scripts/plugin-npm-publish.sh [--dry-run|--pack-dry-run|--publish] <package-dir>"
+}
 
-if [[ "${mode}" != "--dry-run" && "${mode}" != "--pack-dry-run" && "${mode}" != "--publish" ]]; then
-  echo "usage: bash scripts/plugin-npm-publish.sh [--dry-run|--pack-dry-run|--publish] <package-dir>" >&2
-  exit 2
+if [[ "${1:-}" == "--help" || "${1:-}" == "-h" ]]; then
+  usage
+  exit 0
 fi
 
+mode="${1:-}"
+if [[ "${mode}" != "--dry-run" && "${mode}" != "--pack-dry-run" && "${mode}" != "--publish" ]]; then
+  usage >&2
+  exit 2
+fi
+shift
+
+if [[ "${1:-}" == "--" ]]; then
+  shift
+fi
+package_dir=""
+if [[ "$#" -gt 0 ]]; then
+  case "$1" in
+    -*) echo "unexpected plugin npm package-dir option: $1" >&2; exit 2 ;;
+    *) package_dir="$1"; shift ;;
+  esac
+fi
 if [[ -z "${package_dir}" ]]; then
   echo "missing package dir" >&2
   exit 2
 fi
+if [[ "$#" -gt 0 ]]; then
+  echo "unexpected plugin npm publish argument: $1" >&2
+  exit 2
+fi
 
 package_name="$(node -e 'const pkg = require(require("node:path").resolve(process.argv[1], "package.json")); console.log(pkg.name)' "${package_dir}")"
 package_version="$(node -e 'const pkg = require(require("node:path").resolve(process.argv[1], "package.json")); console.log(pkg.version)' "${package_dir}")"

test/scripts/plugin-npm-publish.test.ts

@@ -0,0 +1,50 @@
+// Plugin NPM Publish tests cover publish wrapper argument safety.
+import { spawnSync } from "node:child_process";
+import { describe, expect, it } from "vitest";
+
+const scriptPath = "scripts/plugin-npm-publish.sh";
+
+function runPluginPublishWrapper(args: string[]) {
+  return spawnSync("bash", [scriptPath, ...args], {
+    cwd: process.cwd(),
+    encoding: "utf8",
+  });
+}
+
+describe("plugin npm publish wrapper", () => {
+  it("prints help before package or npm checks", () => {
+    const result = runPluginPublishWrapper(["--help"]);
+
+    expect(result.status).toBe(0);
+    expect(result.stdout.trim()).toBe(
+      "usage: bash scripts/plugin-npm-publish.sh [--dry-run|--pack-dry-run|--publish] <package-dir>",
+    );
+    expect(result.stderr).toBe("");
+  });
+
+  it("rejects missing mode before package checks", () => {
+    const result = runPluginPublishWrapper([]);
+
+    expect(result.status).toBe(2);
+    expect(result.stdout).toBe("");
+    expect(result.stderr.trim()).toBe(
+      "usage: bash scripts/plugin-npm-publish.sh [--dry-run|--pack-dry-run|--publish] <package-dir>",
+    );
+  });
+
+  it("rejects option-like package dirs before package checks", () => {
+    const result = runPluginPublishWrapper(["--dry-run", "--wat"]);
+
+    expect(result.status).toBe(2);
+    expect(result.stdout).toBe("");
+    expect(result.stderr.trim()).toBe("unexpected plugin npm package-dir option: --wat");
+  });
+
+  it("rejects extra arguments before package checks", () => {
+    const result = runPluginPublishWrapper(["--dry-run", "extensions/telegram", "extra"]);
+
+    expect(result.status).toBe(2);
+    expect(result.stdout).toBe("");
+    expect(result.stderr.trim()).toBe("unexpected plugin npm publish argument: extra");
+  });
+});