diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5d9085..a4f4433 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 
 # Changelog
 
+## Trunk
+
+* ts: move definition file into dist/pad.d.ts
+
 ## Version 3.0.0
 
 Backward incompatibility:
diff --git a/lib/index.d.ts b/dist/pad.d.ts
similarity index 100%
rename from lib/index.d.ts
rename to dist/pad.d.ts
diff --git a/lib/index.js b/lib/index.js
deleted file mode 100644
index 927248f..0000000
--- a/lib/index.js
+++ /dev/null
@@ -1,54 +0,0 @@
-// Generated by CoffeeScript 2.4.1
-var pad;
-
-import * as wcwidth from 'wcwidth';
-
-pad = function(text, length, options) {
-  var escapecolor, invert, padlength, textnocolors;
-  if (options == null) {
-    options = {};
-  }
-  invert = typeof text === 'number';
-  if (invert) {
-    [length, text] = [text, length];
-  }
-  if (typeof options === 'string') {
-    options = {
-      char: options
-    };
-  }
-  if (options.char == null) {
-    options.char = ' ';
-  }
-  if (options.strip == null) {
-    options.strip = false;
-  }
-  if (typeof text !== 'string') {
-    text = text.toString();
-  }
-  textnocolors = null;
-  pad = '';
-  if (options.colors) {
-    escapecolor = /\x1B\[(?:[0-9]{1,2}(?:;[0-9]{1,2})?)?[m|K]/g;
-    textnocolors = text.replace(escapecolor, '');
-  }
-  padlength = options.fixed_width ? length - (textnocolors || text).length : length - wcwidth.config(options.wcwidth_options)(textnocolors || text);
-  if (padlength < 0) {
-    if (options.strip) {
-      if (invert) {
-        return text.substr(length * -1);
-      } else {
-        return text.substr(0, length);
-      }
-    }
-    return text;
-  }
-  pad += options.char.repeat(padlength);
-  if (invert) {
-    return pad + text;
-  } else {
-    return text + pad;
-  }
-};
-
-export default pad;
diff --git a/package.json b/package.json
index e3102ea..5d10ab5 100644
--- a/package.json
+++ b/package.json
@@ -44,12 +44,12 @@
     "patch": "npm version patch -m 'Bump to version %s'",
     "minor": "npm version minor -m 'Bump to version %s'",
     "major": "npm version major -m 'Bump to version %s'",
-    "build": "coffee -b -o lib src && rollup -c",
+    "build": "coffee -b -o lib src && rollup -c && rm -r lib && cp -p src/index.d.ts dist/pad.d.ts",
     "pretest": "npm run build",
     "test": "mocha test/**/*.coffee"
   },
   "dependencies": {
     "wcwidth": "^1.0.1"
   },
-  "types": "lib/index.d.ts"
+  "types": "dist/pad.d.ts"
 }
diff --git a/src/index.d.ts b/src/index.d.ts
new file mode 100644
index 0000000..213767a
--- /dev/null
+++ b/src/index.d.ts
@@ -0,0 +1,18 @@
+// Type definitions for pad 1.1
+// Project: https://github.com/wdavidw/node-pad#readme
+// Definitions by: Mohamed Hegazy <https://github.com/mhegazy>
+//                 windware <https://github.com/windware>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = pad;
+
+/** Left pad */
+declare function pad(length: number, text: string, char?: string): string;
+// tslint:disable-next-line unified-signatures
+declare function pad(length: number, text: string, options?: { char?: string, colors?: boolean, strip?: boolean }): string;
+/** Right pad */
+declare function pad(text: string, length: number, char?: string): string;
+// tslint:disable-next-line unified-signatures
+declare function pad(text: string, length: number, options?: { char?: string, colors?: boolean, strip?: boolean }): string;
+
+declare namespace pad {}