Merge pull request #19550 from Rokt33r/wcwidth

Add wcwidth

types/wcwidth/index.d.ts

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+// Type definitions for wcwidth 1.0
+// Project: https://github.com/timoxley/wcwidth
+// Definitions by: Junyoung Choi <https://github.com/rokt33r>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare function wcwidth(input: string): number;
+
+export = wcwidth;

types/wcwidth/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",
+        "wcwidth-tests.ts"
+    ]
+}

types/wcwidth/tslint.json

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

types/wcwidth/wcwidth-tests.ts

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+import wcwidth = require('wcwidth');
+
+const length1 = wcwidth('한');   // => 2
+
+const length2 = wcwidth('한글'); // => 4