Add types for mailgen (#13080)

mailgen/index.d.ts

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+// Type definitions for mailgen 2.0
+// Project: https://github.com/eladnava/mailgen#readme
+// Definitions by: Kiet Thanh Vo <https://github.com/vothanhkiet>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+import Option = Mailgen.Option;
+import Content = Mailgen.Content;
+/**
+ * Created by kiettv on 7/24/16.
+ */
+declare class Mailgen {
+    constructor(opts: Option);
+
+    cacheThemes(): void;
+
+    generate(params: Content): any;
+
+    generatePlaintext(params: Content): any;
+
+    parseParams(params: any): any;
+}
+
+declare namespace Mailgen {
+    interface Option {
+        theme: string;
+        product: Product;
+    }
+
+    interface Product {
+        name: string;
+        link: string;
+        logo?: string;
+    }
+
+    interface Content {
+        body: ContentBody;
+    }
+
+    interface ContentBody {
+        name: string;
+        intro: string;
+        action?: Action;
+        outro: string;
+    }
+
+    interface Action {
+        instructions: string;
+        button: Button;
+    }
+
+    interface Button {
+        color: string;
+        text: string;
+        link: string;
+    }
+}
+
+export = Mailgen;

mailgen/mailgen-tests.ts

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+import * as Mailgen from "mailgen"
+
+const generator: Mailgen = new Mailgen({
+    theme: "default",
+    product: {
+                name: "test",
+                link: "http://localhost",
+            }
+});
+
+let content: Mailgen.Content = {
+    body: {
+        name: "Hi",
+        intro: "test",
+        outro: "test",
+    },
+};
+
+let html = generator.generate(content);
+html = generator.generatePlaintext(content);

mailgen/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "noImplicitAny": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "mailgen-tests.ts"
+    ]
+}

mailgen/tslint.json

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+{ "extends": "../tslint.json" }