Added type definition for string-pixel-width (#35046)

types/string-pixel-width/index.d.ts

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+// Type definitions for string-pixel-width 1.7
+// Project: https://github.com/adambisek/string-pixel-width#readme
+// Definitions by: Graham Dyson <https://github.com/grahamdyson>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = getWidth;
+
+declare function getWidth(
+	string: string,
+	settings?: Settings,
+): number;
+
+interface Settings {
+	bold?: boolean;
+	font?: "andale mono"|"arial"|"avenir next"|"avenir"|"comic sans ms"|"courier new"|"georgia"|"impact"|"open sans"|"tahoma"|"times new roman"|"trebuchet ms"|"verdana"|"webdings";
+	italic?: boolean;
+	size?: number;
+}

types/string-pixel-width/string-pixel-width-tests.ts

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+import stringPixelWidth = require('string-pixel-width');
+
+// $ExpectType number
+stringPixelWidth("test");
+// $ExpectType number
+stringPixelWidth("test", {});
+// $ExpectType number
+stringPixelWidth("test", { bold: true });
+// $ExpectType number
+stringPixelWidth("test", { font: "arial" });
+// $ExpectType number
+stringPixelWidth("test", { italic: true });
+// $ExpectType number
+stringPixelWidth("test", { size: 10 });

types/string-pixel-width/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",
+        "string-pixel-width-tests.ts"
+    ]
+}

types/string-pixel-width/tslint.json

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