feat(physical-cpu-count): new type definition (#44216)

- definition file
- test

https://www.npmjs.com/package/physical-cpu-count

Thanks!

types/physical-cpu-count/index.d.ts

@@ -0,0 +1,14 @@
+// Type definitions for physical-cpu-count 2.0
+// Project: https://www.npmjs.com/package/physical-cpu-count
+// Definitions by: Piotr Błażejewicz <https://github.com/peterblazejewicz>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * Returns the number of physical CPU cores.
+ *
+ * @see {@link https://www.npmjs.com/package/physical-cpu-count#use-case|Use Case}
+ * @see {@link https://www.npmjs.com/package/physical-cpu-count#known-limitations|Known Limitations}
+ */
+declare const amount: number;
+
+export = amount;

types/physical-cpu-count/physical-cpu-count-tests.ts

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+/// <reference types="node" />
+
+import physicalCpuCount = require('physical-cpu-count');
+import { cpus } from 'os';
+const logicalCpuCount = cpus().length;
+
+physicalCpuCount; // $ExpectType number
+logicalCpuCount; // $ExpectType number

types/physical-cpu-count/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",
+        "physical-cpu-count-tests.ts"
+    ]
+}

types/physical-cpu-count/tslint.json

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