diff --git a/readme.md b/readme.md
index 3f5f610..3f0ac14 100644
--- a/readme.md
+++ b/readme.md
@@ -160,7 +160,7 @@ if (options.poSources) {
 // NOTE: For all glob searches, options.srcGlobOptions will be used.
 ```
 
-For actual source code, see [**`getPOFilepaths()`**](https://github.com/vHeemstra/fill-pot-po/blob/main/src/shared.js#L50) in **src/shared.js**.
+For actual source code, see [**`getPOFilepaths()`**](https://github.com/vHeemstra/fill-pot-po/blob/main/src/shared.ts#L134) in **src/shared.js**.
 
 See also options [`poSources`](#posources), [`srcDir`](#srcdir), [`domainInPOPath`](#domaininpopath), [`domainFromPOTPath`](#domainfrompotpath) and [`domain`](#domain).
 
diff --git a/src/options.ts b/src/options.ts
index 0c354ad..e6c3cc2 100644
--- a/src/options.ts
+++ b/src/options.ts
@@ -199,7 +199,10 @@ export const sanitizeAndStandardizeOptionsInput = (
  *
  * @return {object}
  */
-export default (options: Options): PreparedOptions => {
+export default (
+  options: Options,
+  defaultWriteFiles = true
+): PreparedOptions => {
   // Validate/check options
   options = validateOptionsInput(options);
 
@@ -225,7 +228,7 @@ export default (options: Options): PreparedOptions => {
 
     // Output-related
     returnPOT: false,
-    writeFiles: true,
+    writeFiles: Boolean(defaultWriteFiles),
     destDir: '',
     logResults: false,
 
diff --git a/tsconfig.json b/tsconfig.json
index c970746..26f0af4 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -4,6 +4,7 @@
     "moduleResolution": "NodeNext",
     "lib": ["ES2021.String"],
     "allowSyntheticDefaultImports": true,
-    "esModuleInterop": true
+    "esModuleInterop": true,
+    "target": "ES2020"
   }
 }