add writeFileStr and update documentation (denoland/deno_std#340)

Original: https://github.com/denoland/deno_std/commit/191e53a78bfc96d32df6d01affa90f938b92e6e5

1 files changed, 28 insertions, 0 deletions

diff --git a/fs/write_file_str.ts b/fs/write_file_str.ts
new file mode 100644
index 000000000..a4a4beb5b
--- /dev/null
+++ b/fs/write_file_str.ts
@@ -0,0 +1,28 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+
+/**
+ * Write the string to file synchronously.
+ *
+ * @param filename File to write
+ * @param content The content write to file
+ * @returns void
+ */
+export function writeFileStrSync(filename: string, content: string): void {
+  const encoder = new TextEncoder();
+  Deno.writeFileSync(filename, encoder.encode(content));
+}
+
+/**
+ * Write the string to file.
+ *
+ * @param filename File to write
+ * @param content The content write to file
+ * @returns Promise<void>
+ */
+export async function writeFileStr(
+  filename: string,
+  content: string
+): Promise<void> {
+  const encoder = new TextEncoder();
+  await Deno.writeFile(filename, encoder.encode(content));
+}