feat(cli): Add WriteFileOptions to writeTextFile & writeTextFileSync (#6280)

2 files changed, 18 insertions, 16 deletions

diff --git a/cli/js/lib.deno.ns.d.ts b/cli/js/lib.deno.ns.d.ts
index 2137ce336..4a3417b5d 100644
--- a/cli/js/lib.deno.ns.d.ts
+++ b/cli/js/lib.deno.ns.d.ts
@@ -1524,7 +1524,11 @@ declare namespace Deno {
    *
    * Requires `allow-write` permission, and `allow-read` if `options.create` is `false`.
    */
-  export function writeTextFileSync(path: string | URL, data: string): void;
+  export function writeTextFileSync(
+    path: string | URL,
+    data: string,
+    options?: WriteFileOptions
+  ): void;
 
   /** Asynchronously write string `data` to the given `path`, by default creating a new file if needed,
    * else overwriting.
@@ -1537,7 +1541,8 @@ declare namespace Deno {
    */
   export function writeTextFile(
     path: string | URL,
-    data: string
+    data: string,
+    options?: WriteFileOptions
   ): Promise<void>;
 
   /** Synchronously truncates or extends the specified file, to reach the
diff --git a/cli/js/write_text_file.ts b/cli/js/write_text_file.ts
index 615813460..ca7646c75 100644
--- a/cli/js/write_text_file.ts
+++ b/cli/js/write_text_file.ts
@@ -1,23 +1,20 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+import { writeFileSync, writeFile, WriteFileOptions } from "./write_file.ts";
 
-import { open, openSync } from "./files.ts";
-import { writeAll, writeAllSync } from "./buffer.ts";
-
-export function writeTextFileSync(path: string | URL, data: string): void {
-  const file = openSync(path, { write: true, create: true, truncate: true });
+export function writeTextFileSync(
+  path: string | URL,
+  data: string,
+  options: WriteFileOptions = {}
+): void {
   const encoder = new TextEncoder();
-  const contents = encoder.encode(data);
-  writeAllSync(file, contents);
-  file.close();
+  return writeFileSync(path, encoder.encode(data), options);
 }
 
-export async function writeTextFile(
+export function writeTextFile(
   path: string | URL,
-  data: string
+  data: string,
+  options: WriteFileOptions = {}
 ): Promise<void> {
-  const file = await open(path, { write: true, create: true, truncate: true });
   const encoder = new TextEncoder();
-  const contents = encoder.encode(data);
-  await writeAll(file, contents);
-  file.close();
+  return writeFile(path, encoder.encode(data), options);
 }