example of Mocha source map support for babel (es2015) and markdown reporter

index.spec.js

import {ok} from 'assert';

describe('foo()', () => {
  it('should pass', () => {
    ok(true);
  });
});

package.json

{
  "name": "mocha-sourcemaps",
  "version": "0.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "mocha --reporter markdown --require source-map-support --require babel-register index.spec.js"
  },
  "keywords": [],
  "author": "Christopher Hiller <[email protected]> (https://boneskull.com/)",
  "license": "ISC",
  "dependencies": {
    "babel-preset-es2015": "^6.9.0",
    "babel-register": "^6.9.0",
    "mocha": "^2.5.3",
    "source-map-support": "^0.4.0"
  },
  "babel": {
    "presets": [
      "es2015"
    ]
  }
}

Output:

npm test

> [email protected] test /Users/thomas88/Code/mocha-es2016
> mocha --reporter markdown --require source-map-support --require babel-register index.spec.js

# TOC
   - [foo()](#foo)
<a name=""></a>

<a name="foo"></a>
# foo()
should pass.

```js
(0, _assert.ok)(true);
```