feat: Deno.makeTempFile (#4024)

1 files changed, 61 insertions, 0 deletions

diff --git a/cli/js/make_temp.ts b/cli/js/make_temp.ts
new file mode 100644
index 000000000..8b15ab184
--- /dev/null
+++ b/cli/js/make_temp.ts
@@ -0,0 +1,61 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+import { sendSync, sendAsync } from "./dispatch_json.ts";
+import * as dispatch from "./dispatch.ts";
+
+export interface MakeTempOptions {
+  dir?: string;
+  prefix?: string;
+  suffix?: string;
+}
+
+/** makeTempDirSync is the synchronous version of `makeTempDir`.
+ *
+ *       const tempDirName0 = Deno.makeTempDirSync();
+ *       const tempDirName1 = Deno.makeTempDirSync({ prefix: 'my_temp' });
+ */
+export function makeTempDirSync(options: MakeTempOptions = {}): string {
+  return sendSync(dispatch.OP_MAKE_TEMP_DIR, options);
+}
+
+/** makeTempDir creates a new temporary directory in the directory `dir`, its
+ * name beginning with `prefix` and ending with `suffix`.
+ * It returns the full path to the newly created directory.
+ * If `dir` is unspecified, tempDir uses the default directory for temporary
+ * files. Multiple programs calling tempDir simultaneously will not choose the
+ * same directory. It is the caller's responsibility to remove the directory
+ * when no longer needed.
+ *
+ *       const tempDirName0 = await Deno.makeTempDir();
+ *       const tempDirName1 = await Deno.makeTempDir({ prefix: 'my_temp' });
+ */
+export async function makeTempDir(
+  options: MakeTempOptions = {}
+): Promise<string> {
+  return await sendAsync(dispatch.OP_MAKE_TEMP_DIR, options);
+}
+
+/** makeTempFileSync is the synchronous version of `makeTempFile`.
+ *
+ *       const tempFileName0 = Deno.makeTempFileSync();
+ *       const tempFileName1 = Deno.makeTempFileSync({ prefix: 'my_temp' });
+ */
+export function makeTempFileSync(options: MakeTempOptions = {}): string {
+  return sendSync(dispatch.OP_MAKE_TEMP_FILE, options);
+}
+
+/** makeTempFile creates a new temporary file in the directory `dir`, its
+ * name beginning with `prefix` and ending with `suffix`.
+ * It returns the full path to the newly created file.
+ * If `dir` is unspecified, tempFile uses the default directory for temporary
+ * files. Multiple programs calling tempFile simultaneously will not choose the
+ * same directory. It is the caller's responsibility to remove the file
+ * when no longer needed.
+ *
+ *       const tempFileName0 = await Deno.makeTempFile();
+ *       const tempFileName1 = await Deno.makeTempFile({ prefix: 'my_temp' });
+ */
+export async function makeTempFile(
+  options: MakeTempOptions = {}
+): Promise<string> {
+  return await sendAsync(dispatch.OP_MAKE_TEMP_FILE, options);
+}