chore(NODE-5128): add script to clean dts and dts.map files (#3606)

etc/clean_definition_files.cjs

@@ -0,0 +1,27 @@
+#! /usr/bin/env node
+/* eslint-disable @typescript-eslint/no-var-requires */
+const fs = require('fs');
+const path = require('path');
+
+function* walk(root) {
+  const directoryContents = fs.readdirSync(root);
+  for (const filepath of directoryContents) {
+    const fullPath = path.join(root, filepath);
+    const stat = fs.statSync(fullPath);
+    if (stat.isDirectory()) {
+      yield* walk(fullPath);
+    } else if (stat.isFile()) {
+      yield fullPath;
+    }
+  }
+}
+
+const libPath = path.resolve(__dirname, '..', 'lib');
+if (fs.existsSync(libPath)) {
+  const definitionFiles = Array.from(walk(libPath)).filter(filePath => {
+    return filePath.endsWith('.d.ts') || filePath.endsWith('.d.ts.map');
+  });
+  for (const definitionFile of definitionFiles) {
+    fs.unlinkSync(definitionFile);
+  }
+}

package.json

@@ -83,7 +83,6 @@
     "mongodb-legacy": "^5.0.0",
     "nyc": "^15.1.0",
     "prettier": "^2.8.4",
-    "rimraf": "^4.4.0",
     "semver": "^7.3.8",
     "sinon": "^15.0.2",
     "sinon-chai": "^3.7.0",
@@ -109,7 +108,7 @@
   "scripts": {
     "build:evergreen": "node .evergreen/generate_evergreen_tasks.js",
     "build:ts": "node ./node_modules/typescript/bin/tsc",
-    "build:dts": "npm run build:ts && api-extractor run && rimraf 'lib/**/*.d.ts*'",
+    "build:dts": "npm run build:ts && api-extractor run && node etc/clean_definition_files.cjs",
     "build:docs": "./etc/docs/build.ts",
     "build:typedoc": "typedoc",
     "check:bench": "node test/benchmarks/driverBench",