Adding diacritics package (#18509)

* Adding diacritics package

* Adding linter

* Fixing linting errors

* Fixing warnings and errors

* Removing unnecessary namespace

types/diacritics/diacritics-tests.ts

@@ -0,0 +1,12 @@
+import * as diacritics from "diacritics";
+
+const replacementListItem = diacritics.replacementList[1];
+
+// tslint:disable-next-line:no-unused-expression
+replacementListItem.base === "0";
+replacementListItem.chars === "\u07C0";
+
+const mapItem = diacritics.diacriticsMap["A"];
+
+// tslint:disable-next-line:no-unused-expression
+diacritics.remove("foo") === "bar";

types/diacritics/index.d.ts

@@ -0,0 +1,14 @@
+// Type definitions for diacritics 1.3
+// Project: https://github.com/andrewrk/node-diacritics
+// Definitions by: Oto Ciulis <https://github.com/otociulis/>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export function remove(str: string): string;
+export const replacementList: Array<{
+    base: string;
+    chars: string;
+}>;
+
+export const diacriticsMap: {
+    [key: string]: string;
+};

types/diacritics/tsconfig.json

@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "diacritics-tests.ts"
+    ]
+}

types/diacritics/tslint.json

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