type definitions for node-microphone (#45180)

* type definitions for node-microphone

* removed blank lines

* fixed export issue

* added the allowSyntheticDefaultImports tsc option

types/node-microphone/index.d.ts

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+// Type definitions for node-microphone 0.1
+// Project: https://github.com/MexXxo/node-microphone#readme
+// Definitions by: Andreas May <https://github.com/Maanex>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+interface MicrophoneOptions {
+    endian?: 'big' | 'little';
+    bitwidth?: 8 | 16 | 24;
+    encoding?: 'signed-integer' | 'unsigned-integer';
+    rate?: 8000 | 16000 | 44100;
+    channels?: 1 | 2;
+    device?: 'hw:0,0' | 'plughw:1,0' | 'default';
+    additionalParameters?: any;
+}
+
+declare class Microphone {
+    constructor(options?: MicrophoneOptions);
+
+    startRecording(): NodeJS.WriteStream;
+    stopRecording(): void;
+}
+
+export = Microphone;

types/node-microphone/node-microphone-tests.ts

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+import Microphone from "node-microphone";
+
+const mic = new Microphone({
+    channels: 1,
+    bitwidth: 16,
+    endian: "little",
+    device: "default",
+    encoding: "signed-integer",
+    rate: 44100,
+    additionalParameters: {}
+});
+
+const stream = mic.startRecording();
+stream.pipe(process.stdout);
+
+mic.stopRecording();

types/node-microphone/tsconfig.json

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

types/node-microphone/tslint.json

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+{ "extends": "dtslint/dt.json" }