Add type definitions for buffer-from

types/buffer-from/buffer-from-tests.ts

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+import bufferFrom = require('buffer-from');
+
+bufferFrom([1, 2, 3, 4]); // $ExpectType Buffer
+bufferFrom(new Uint8Array([1, 2, 3, 4]).buffer, 1, 2); // $ExpectType Buffer
+bufferFrom('test', 'utf8'); // $ExpectType Buffer
+bufferFrom(bufferFrom('test')); // $ExpectType Buffer

types/buffer-from/index.d.ts

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+// Type definitions for buffer-from 1.1
+// Project: https://github.com/LinusU/buffer-from#readme
+// Definitions by: Nat Burns <https://github.com/burnnat>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+declare function bufferFrom(arrayBuffer: ArrayBuffer, byteOffset?: number, length?: number): Buffer;
+declare function bufferFrom(str: string, encoding?: string): Buffer;
+declare function bufferFrom(data: ReadonlyArray<any> | Buffer): Buffer;
+
+export = bufferFrom;

types/buffer-from/tsconfig.json

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

types/buffer-from/tslint.json

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