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-rw-r--r--std/node/_stream/promises.ts42
1 files changed, 42 insertions, 0 deletions
diff --git a/std/node/_stream/promises.ts b/std/node/_stream/promises.ts
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+++ b/std/node/_stream/promises.ts
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+// Copyright Node.js contributors. All rights reserved. MIT License.
+import pl from "./pipeline.ts";
+import type { PipelineArguments } from "./pipeline.ts";
+import eos from "./end_of_stream.ts";
+import type {
+ FinishedOptions,
+ StreamImplementations as FinishedStreams,
+} from "./end_of_stream.ts";
+
+export function pipeline(...streams: PipelineArguments) {
+ return new Promise((resolve, reject) => {
+ pl(
+ ...streams,
+ (err, value) => {
+ if (err) {
+ reject(err);
+ } else {
+ resolve(value);
+ }
+ },
+ );
+ });
+}
+
+export function finished(
+ stream: FinishedStreams,
+ opts?: FinishedOptions,
+) {
+ return new Promise<void>((resolve, reject) => {
+ eos(
+ stream,
+ opts || null,
+ (err) => {
+ if (err) {
+ reject(err);
+ } else {
+ resolve();
+ }
+ },
+ );
+ });
+}