🤖 Merge PR DefinitelyTyped#66731 Add @types/map-stream by @KonradPerl…

…icki

* Add @types/map-stream

* Update comment in types/map-stream/index.d.ts

Co-authored-by: Piotr Błażejewicz (Peter Blazejewicz) <[email protected]>

* Fixed return type

---------

Co-authored-by: Piotr Błażejewicz (Peter Blazejewicz) <[email protected]>

types/map-stream/index.d.ts

@@ -0,0 +1,38 @@
+// Type definitions for map-stream 0.0
+// Project: http://github.com/dominictarr/map-stream
+// Definitions by: Konrad Perlicki <https://github.com/KonradPerlicki>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node"/>
+
+import { Stream } from 'stream';
+
+export = mapStream;
+
+declare namespace mapStream {
+    interface Options {
+        /**
+         * Continue mapping even if error occured.
+         *
+         * On error `map-stream` will emit `failure` event.
+         *
+         * @default false
+         */
+        failures?: boolean;
+    }
+
+    interface mapStream extends Stream {
+        resume(): void;
+        pause(): void;
+        destroy(): void;
+        end(): void;
+        write(): boolean | never;
+    }
+
+    type Callback = (err: null | Error, data: unknown) => void;
+}
+
+declare function mapStream(
+    mapper: (data: unknown, callback: mapStream.Callback) => void,
+    opts?: mapStream.Options,
+): mapStream.mapStream;

types/map-stream/map-stream-tests.ts

@@ -0,0 +1,15 @@
+import map = require('map-stream');
+
+const callback: map.Callback = function (err, data) {};
+
+const fn = map((data, callback) => {}, {
+    failures: true,
+});
+
+fn.pause();
+fn.write();
+fn.resume();
+fn.destroy();
+fn.end();
+
+map((data, callback) => {});

types/map-stream/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "map-stream-tests.ts"
+    ]
+}

types/map-stream/tslint.json

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