[temp-write] add typings (#18853)

types/temp-write/index.d.ts

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+// Type definitions for temp-write 3.3
+// Project: https://github.com/sindresorhus/temp-write#readme
+// Definitions by: BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+export = tempWrite;
+
+declare function tempWrite(input: string | Buffer | NodeJS.ReadableStream, filepath?: string): Promise<string>;
+
+declare namespace tempWrite {
+    function sync(input: string | Buffer, filepath?: string): string;
+}

types/temp-write/temp-write-tests.ts

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+import tempWrite = require('temp-write');
+
+tempWrite('unicorn').then(path => {
+    path; // $ExpectType string
+});
+tempWrite('unicorn', 'pony.png'); // $ExpectType Promise<string>
+tempWrite(process.stdin, 'pony.png');
+tempWrite(new Buffer('pony'), 'pony.png');
+
+tempWrite.sync('unicorn'); // $ExpectType string
+tempWrite.sync(new Buffer('unicorn'));
+tempWrite.sync('unicorn', 'pony.png');

types/temp-write/tsconfig.json

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

types/temp-write/tslint.json

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