Added types for dush (#36146)

types/dush/dush-tests.ts

@@ -0,0 +1,9 @@
+import dush = require('dush');
+
+const emitter = dush(); // $ExpectType Emitter
+
+emitter // $ExpectType Emitter
+  .on('hi', place => console.log(`hello ${place}!`))
+  .on('hi', place => console.log(`hi ${place}, yeah!`));
+
+emitter.emit('hi', 'world'); // $ExpectType Emitter

types/dush/index.d.ts

@@ -0,0 +1,28 @@
+// Type definitions for dush 3.0
+// Project: https://github.com/tunnckocore/dush#readme
+// Definitions by: andrycodestuffs <https://github.com/andrycodestuffs>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+declare var dush: dush.DushStatic;
+
+declare namespace dush {
+    type Handler = (...event: any[]) => void;
+    type WildcardHandler = (type?: string, ...event: any[]) => void;
+
+    interface DushStatic {
+        (): Emitter;
+    }
+
+    interface Emitter {
+        _allEvents: Array<{ [eventName: string]: Handler[] }>;
+        use: (plugin: (app: Emitter, options: any) => void, options?: any) => Emitter;
+        on(type: string, handler: Handler): Emitter;
+        on(type: "*", handler: WildcardHandler): Emitter;
+        once(type: string, handler: Handler): Emitter;
+        once(type: "*", handler: WildcardHandler): Emitter;
+        off(type: string, handler?: Handler): Emitter;
+        off(type: "*", handler?: WildcardHandler): Emitter;
+        emit(type: string, ...event: any[]): Emitter;
+    }
+}
+
+export = dush;

types/dush/tsconfig.json

@@ -0,0 +1,24 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "dush-tests.ts"
+    ]
+}

types/dush/tslint.json

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