Prefer pnpm for tarball packing

packages/dtslint/package.json

@@ -37,7 +37,8 @@
     "eslint-plugin-import": "^2.29.1",
     "semver": "^7.5.4",
     "strip-json-comments": "^3.1.1",
-    "tar": "^6.2.0"
+    "tar": "^6.2.0",
+    "which": "^4.0.0"
   },
   "peerDependencies": {
     "typescript": ">= 3.0.0-dev || >= 3.1.0-dev || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.7.0-dev || >= 3.8.0-dev || >= 3.9.0-dev || >= 4.0.0-dev || >=5.0.0-dev"
@@ -47,6 +48,7 @@
     "@types/semver": "^7.5.5",
     "@types/strip-json-comments": "^3.0.0",
     "@types/tar": "^6.1.9",
+    "@types/which": "^3.0.3",
     "typescript": "^5.3.3"
   },
   "engines": {

packages/dtslint/src/checks.ts

@@ -1,12 +1,13 @@
 import * as header from "@definitelytyped/header-parser";
 import { AllTypeScriptVersion } from "@definitelytyped/typescript-versions";
+import { deepEquals } from "@definitelytyped/utils";
 import fs from "fs";
-import { join as joinPaths, dirname } from "path";
+import { dirname, join as joinPaths } from "path";
 import { CompilerOptions } from "typescript";
-import { deepEquals } from "@definitelytyped/utils";
 
-import { readJson, packageNameFromPath } from "./util";
 import { execFileSync, execSync } from "child_process";
+import which from "which";
+import { packageNameFromPath, readJson } from "./util";
 export function checkPackageJson(
   dirPath: string,
   typesVersions: readonly AllTypeScriptVersion[],
@@ -143,7 +144,8 @@ export function runAreTheTypesWrong(dirPath: string, implementationTarballPath:
   const tarballName = `types-${mangledName}-${packageJsonContent.version}.tgz`;
   const attwPackageJsonPath = require.resolve("@arethetypeswrong/cli/package.json");
   const attwBinPath = joinPaths(dirname(attwPackageJsonPath), readJson(attwPackageJsonPath).bin.attw);
-  execSync("npm pack", { cwd: dirPath, stdio: "ignore", env: { ...process.env, COREPACK_ENABLE_STRICT: "0" } });
+  const npmPath = which.sync("pnpm", { nothrow: true }) || which.sync("npm");
+  execSync(`${npmPath} pack`, { cwd: dirPath, stdio: "ignore", env: { ...process.env, COREPACK_ENABLE_STRICT: "0" } });
   try {
     const output = execFileSync(
       attwBinPath,