Adding @types/s3-streams (#46016)

* Adding @types/s3-streams

* Use LTS node on Actions

Co-authored-by: Andrew Branch <andrew@wheream.io>

types/s3-streams/index.d.ts

@@ -0,0 +1,28 @@
+// Type definitions for s3-streams 0.4
+// Project: https://github.com/izaakschroeder/s3-streams
+// Definitions by: Carl Fürstenberg <https://github.com/azatoth>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+import { S3 } from 'aws-sdk';
+import { Readable, Writable } from 'stream';
+
+export interface StreamOptions {
+    /**
+     * Number of bytes to read or write before emitting a chunk to the stream.
+     * Must be above 5MB for {@link WriteStream}
+     *
+     * @default 4MB for {@link ReadStream}
+     * @default 10MB for {@link WriteStream}
+     */
+    highWaterMark?: number;
+}
+
+export class ReadStream extends Readable {
+    constructor(client: S3, options: S3.GetObjectRequest, streamOptions?: StreamOptions);
+}
+
+export class WriteStream extends Writable {
+    constructor(client: S3, options: S3.CreateMultipartUploadRequest, streamOptions?: StreamOptions);
+}

types/s3-streams/package.json

@@ -0,0 +1,6 @@
+{
+    "private": true,
+    "dependencies": {
+        "aws-sdk": "^2.713.0"
+    }
+}

types/s3-streams/s3-streams-tests.ts

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+import * as AWS from 'aws-sdk';
+import * as S3S from 's3-streams';
+
+const s3 = new AWS.S3();
+const ws = new S3S.WriteStream(
+    s3,
+    {
+        Bucket: 'my-bucket',
+        Key: 'my-key',
+    },
+    { highWaterMark: 42 },
+);
+
+const rs = new S3S.ReadStream(
+    s3,
+    {
+        Bucket: 'my-bucket',
+        Key: 'my-key',
+    },
+    { highWaterMark: 42 },
+);
+
+rs.pipe(ws);

types/s3-streams/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "s3-streams-tests.ts"
+    ]
+}

types/s3-streams/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }