Add dashify (#23092)

* Add dashify

* Use 4 spaces

types/dashify/dashify-tests.ts

@@ -0,0 +1,7 @@
+import dashify = require('dashify');
+
+const output: string = dashify('Foo----Bar');
+// => 'foo----bar'
+
+const output2: string = dashify('Foo----Bar', {condense: true});
+// => 'foo-bar'

types/dashify/index.d.ts

@@ -0,0 +1,14 @@
+// Type definitions for dashify 1.0
+// Project: https://github.com/jonschlinkert/dashify
+// Definitions by: Junyoung Choi <https://github.com/rokt33r>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare function dashify(input: string, options?: dashify.Options): string;
+
+declare namespace dashify {
+    interface Options {
+        condense?: boolean;
+    }
+}
+
+export = dashify;

types/dashify/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "dashify-tests.ts"
+    ]
+}

types/dashify/tslint.json

@@ -0,0 +1,3 @@
+{
+    "extends": "dtslint/dt.json"
+}