diff --git a/README.hbs b/README.hbs
index 79b77bb..9cf5bb6 100644
--- a/README.hbs
+++ b/README.hbs
@@ -4,7 +4,7 @@
 
 A JavaScript library that lets you curve type on the web.
 
-Demo: <http://circletype.labwire.ca>
+Demo: <https://circletype.labwire.ca>
 
 ## Installation
 
diff --git a/README.md b/README.md
index 44f855a..e05cd97 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 A JavaScript library that lets you curve type on the web.
 
-Demo: <http://circletype.labwire.ca>
+Demo: <https://circletype.labwire.ca>
 
 ## Installation
 
@@ -39,6 +39,10 @@ A CircleType instance creates a circular text element.
     * [.radius()](#CircleType+radius) ⇒ <code>number</code>
     * [.dir(value)](#CircleType+dir) ⇒ [<code>CircleType</code>](#CircleType)
     * [.dir()](#CircleType+dir) ⇒ <code>number</code>
+    * [.forceWidth(value)](#CircleType+forceWidth) ⇒ [<code>CircleType</code>](#CircleType)
+    * [.forceWidth()](#CircleType+forceWidth) ⇒ <code>boolean</code>
+    * [.forceHeight(value)](#CircleType+forceHeight) ⇒ [<code>CircleType</code>](#CircleType)
+    * [.forceHeight()](#CircleType+forceHeight) ⇒ <code>boolean</code>
     * [.refresh()](#CircleType+refresh) ⇒ [<code>CircleType</code>](#CircleType)
     * [.destroy()](#CircleType+destroy) ⇒ [<code>CircleType</code>](#CircleType)
 
@@ -92,7 +96,7 @@ for the text to form a complete circle.
 const circleType = new CircleType(document.getElementById('myElement'));
 
 circleType.radius();
-// > 150
+//=> 150
 ```
 <a name="CircleType+dir"></a>
 
@@ -128,7 +132,93 @@ Gets the text direction. `1` is clockwise, `-1` is counter-clockwise.
 const circleType = new CircleType(document.getElementById('myElement'));
 
 circleType.dir();
-// > 1 (clockwise)
+//=> 1 (clockwise)
+```
+<a name="CircleType+forceWidth"></a>
+
+### circleType.forceWidth(value) ⇒ [<code>CircleType</code>](#CircleType)
+Sets the `forceWidth` option. If `true` the width of the arc is calculated
+and applied to the element as an inline style.
+
+**Kind**: instance method of [<code>CircleType</code>](#CircleType)  
+**Returns**: [<code>CircleType</code>](#CircleType) - The current instance.  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| value | <code>boolean</code> | `true` if the width should be set |
+
+**Example**  
+```js
+const circleType = new CircleType(document.getElementById('myElement'));
+
+circleType.radius(384);
+
+console.log(circleType.container);
+//=> <div style="position: relative; height: 3.18275em;">...</div>
+
+// Enable the force width option
+circleType.forceWidth(true);
+
+console.log(circleType.container);
+//=> <div style="position: relative; height: 3.18275em; width: 12.7473em;">...</div>
+```
+<a name="CircleType+forceWidth"></a>
+
+### circleType.forceWidth() ⇒ <code>boolean</code>
+Gets the `forceWidth` option. If `true` the width of the arc is calculated
+and applied to the element as an inline style. Defaults to `false`.
+
+**Kind**: instance method of [<code>CircleType</code>](#CircleType)  
+**Returns**: <code>boolean</code> - The current `forceWidth` value  
+**Example**  
+```js
+const circleType = new CircleType(document.getElementById('myElement'));
+
+circleType.forceWidth();
+//=> false
+```
+<a name="CircleType+forceHeight"></a>
+
+### circleType.forceHeight(value) ⇒ [<code>CircleType</code>](#CircleType)
+Sets the `forceHeight` option. If `true` the height of the arc is calculated
+and applied to the element as an inline style.
+
+**Kind**: instance method of [<code>CircleType</code>](#CircleType)  
+**Returns**: [<code>CircleType</code>](#CircleType) - The current instance.  
+
+| Param | Type | Description |
+| --- | --- | --- |
+| value | <code>boolean</code> | `true` if the height should be set |
+
+**Example**  
+```js
+const circleType = new CircleType(document.getElementById('myElement'));
+
+circleType.radius(384);
+
+console.log(circleType.container);
+//=> <div style="position: relative; height: 3.18275em;">...</div>
+
+// Disable the force height option
+circleType.forceHeight(false);
+
+console.log(circleType.container);
+//=> <div style="position: relative;">...</div>
+```
+<a name="CircleType+forceHeight"></a>
+
+### circleType.forceHeight() ⇒ <code>boolean</code>
+Gets the `forceHeight` option. If `true` the height of the arc is calculated
+and applied to the element as an inline style. Defaults to `true`.
+
+**Kind**: instance method of [<code>CircleType</code>](#CircleType)  
+**Returns**: <code>boolean</code> - The current `forceHeight` value  
+**Example**  
+```js
+const circleType = new CircleType(document.getElementById('myElement'));
+
+circleType.forceHeight();
+//=> true
 ```
 <a name="CircleType+refresh"></a>
 
diff --git a/assets/stylesheets/screen.css b/assets/stylesheets/screen.css
index 5fedd6f..8be0ee1 100644
--- a/assets/stylesheets/screen.css
+++ b/assets/stylesheets/screen.css
@@ -139,8 +139,9 @@ footer {
 
 .demo {
   color: #ff3300;
+  display:flex;
+  justify-content: center;
   margin: 0;
-  text-align: center;
 }
 
 /**
diff --git a/dist/circletype.min.js b/dist/circletype.min.js
index 14aa86c..7a4f467 100644
--- a/dist/circletype.min.js
+++ b/dist/circletype.min.js
@@ -1,8 +1,8 @@
 /*!
- * circletype 2.1.0
+ * circletype 2.2.0
  * A JavaScript library that lets you curve type on the web.
  * Copyright © 2014-2017 Peter Hrynkow
  * Licensed MIT
  * https://github.com/peterhry/CircleType#readme
  */
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.CircleType=e():t.CircleType=e()}(this,function(){return function(t){function e(n){if(i[n])return i[n].exports;var r=i[n]={i:n,l:!1,exports:{}};return t[n].call(r.exports,r,r.exports,e),r.l=!0,r.exports}var i={};return e.m=t,e.c=i,e.d=function(t,i,n){e.o(t,i)||Object.defineProperty(t,i,{configurable:!1,enumerable:!0,get:n})},e.n=function(t){var i=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(i,"a",i),i},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=0)}([function(t,e,i){"use strict";var n=i(1),r=function(t){return t&&t.__esModule?t:{default:t}}(n);t.exports=r.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var u=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),o=i(2),s=n(o),a=i(3),l=n(a),f=i(4),c=n(f),d=i(5),h=n(d),_=Math.PI,p=Math.max,m=function(){function t(e){r(this,t),this.element=e,this.originalHTML=this.element.innerHTML;var i=document.createElement("div");i.setAttribute("aria-label",e.innerText),i.style.position="relative",this.container=i,this._letters=(0,c.default)(e),this._letters.forEach(function(t){return i.appendChild(t)}),this.element.innerHTML="",this.element.appendChild(i);var n=window.getComputedStyle(this.element),u=n.fontSize,o=n.lineHeight;this._fontSize=parseFloat(u),this._lineHeight=parseFloat(o)||this._fontSize,this._metrics=this._letters.map(l.default);var s=this._metrics.reduce(function(t,e){return t+e.width},0);this._minRadius=s/_/2+this._lineHeight,this._dir=1,this._radius=this._minRadius,this._invalidate()}return u(t,[{key:"radius",value:function(t){return void 0!==t?(this._radius=p(this._minRadius,t),this._invalidate(),this):this._radius}},{key:"dir",value:function(t){return void 0!==t?(this._dir=t,this._invalidate(),this):this._dir}},{key:"refresh",value:function(){return this._invalidate()}},{key:"destroy",value:function(){return this.element.innerHTML=this.originalHTML,this}},{key:"_invalidate",value:function(){var t=this;return cancelAnimationFrame(this._raf),this._raf=requestAnimationFrame(function(){t._layout()}),this}},{key:"_layout",value:function(){var t=this,e=-1===this._dir?-this._radius+this._lineHeight:this._radius,i="center "+e/this._fontSize+"em",n=this._radius-this._lineHeight,r=this._metrics.reduce(function(t,e){var i=e.width,r=(0,s.default)(i/n);return{sum:t.sum+r,rotations:t.rotations.concat([t.sum+r/2])}},{sum:0,rotations:[]}),u=r.rotations,o=r.sum;this._letters.forEach(function(e,n){var r=e.style,s=(-.5*o+u[n])*t._dir,a=-.5*t._metrics[n].width/t._fontSize,l="translateX("+a+"em) rotate("+s+"deg)";r.position="absolute",r.bottom=-1===t._dir?0:"auto",r.left="50%",r.transform=l,r.transformOrigin=i,r.webkitTransform=l,r.webkitTransformOrigin=i});var a=(0,h.default)(n,o)+this._lineHeight,l=(0,h.default)(this._radius,o);return this.container.style.height=p(a,l)/this._fontSize+"em",this}}]),t}();e.default=m},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=180/Math.PI;e.default=function(t){return t*n}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.default=function(t){var e=t.getBoundingClientRect();return{height:e.height,left:e.left+window.pageXOffset,top:e.top+window.pageYOffset,width:e.width}}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.default=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"span",i=document.createElement(e);return t.innerText.trim().split("").map(function(t){var e=i.cloneNode();return e.insertAdjacentHTML("afterbegin"," "===t?"&nbsp;":t),e})}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(6),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=function(t,e){return t*(1-Math.cos((0,r.default)(e/2)))}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=Math.PI/180;e.default=function(t){return t*n}}])});
\ No newline at end of file
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.CircleType=e():t.CircleType=e()}(this,function(){return function(t){function e(n){if(i[n])return i[n].exports;var r=i[n]={i:n,l:!1,exports:{}};return t[n].call(r.exports,r,r.exports,e),r.l=!0,r.exports}var i={};return e.m=t,e.c=i,e.d=function(t,i,n){e.o(t,i)||Object.defineProperty(t,i,{configurable:!1,enumerable:!0,get:n})},e.n=function(t){var i=t&&t.__esModule?function(){return t.default}:function(){return t};return e.d(i,"a",i),i},e.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},e.p="",e(e.s=1)}([function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=Math.PI/180;e.default=function(t){return t*n}},function(t,e,i){"use strict";var n=i(2),r=function(t){return t&&t.__esModule?t:{default:t}}(n);t.exports=r.default},function(t,e,i){"use strict";function n(t){return t&&t.__esModule?t:{default:t}}function r(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(e,"__esModule",{value:!0});var o=function(){function t(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,i,n){return i&&t(e.prototype,i),n&&t(e,n),e}}(),u=i(3),a=n(u),s=i(4),f=n(s),l=i(5),c=n(l),d=i(6),h=n(d),_=i(7),v=n(_),p=Math.PI,m=Math.max,y=Math.min,g=function(){function t(e){r(this,t),this.element=e,this.originalHTML=this.element.innerHTML;var i=document.createElement("div");i.setAttribute("aria-label",e.innerText),i.style.position="relative",this.container=i,this._letters=(0,f.default)(e),this._letters.forEach(function(t){return i.appendChild(t)}),this.element.innerHTML="",this.element.appendChild(i);var n=window.getComputedStyle(this.element),o=n.fontSize,u=n.lineHeight;this._fontSize=parseFloat(o),this._lineHeight=parseFloat(u)||this._fontSize,this._metrics=this._letters.map(a.default);var s=this._metrics.reduce(function(t,e){return t+e.width},0);this._minRadius=s/p/2+this._lineHeight,this._dir=1,this._forceWidth=!1,this._forceHeight=!0,this._radius=this._minRadius,this._invalidate()}return o(t,[{key:"radius",value:function(t){return void 0!==t?(this._radius=m(this._minRadius,t),this._invalidate(),this):this._radius}},{key:"dir",value:function(t){return void 0!==t?(this._dir=t,this._invalidate(),this):this._dir}},{key:"forceWidth",value:function(t){return void 0!==t?(this._forceWidth=t,this._invalidate(),this):this._forceWidth}},{key:"forceHeight",value:function(t){return void 0!==t?(this._forceHeight=t,this._invalidate(),this):this._forceHeight}},{key:"refresh",value:function(){return this._invalidate()}},{key:"destroy",value:function(){return this.element.innerHTML=this.originalHTML,this}},{key:"_invalidate",value:function(){var t=this;return cancelAnimationFrame(this._raf),this._raf=requestAnimationFrame(function(){t._layout()}),this}},{key:"_layout",value:function(){var t=this,e=this._radius,i=this._dir,n=-1===i?-e+this._lineHeight:e,r="center "+n/this._fontSize+"em",o=e-this._lineHeight,u=(0,v.default)(this._metrics,o),a=u.rotations,s=u.θ;if(this._letters.forEach(function(e,n){var o=e.style,u=(-.5*s+a[n])*i,f=-.5*t._metrics[n].width/t._fontSize,l="translateX("+f+"em) rotate("+u+"deg)";o.position="absolute",o.bottom=-1===i?0:"auto",o.left="50%",o.transform=l,o.transformOrigin=r,o.webkitTransform=l,o.webkitTransformOrigin=r}),this._forceHeight){var f=s>180?(0,c.default)(e,s):(0,c.default)(o,s)+this._lineHeight;this.container.style.height=f/this._fontSize+"em"}if(this._forceWidth){var l=(0,h.default)(e,y(180,s));this.container.style.width=l/this._fontSize+"em"}return this}}]),t}();e.default=g},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.default=function(t){var e=t.getBoundingClientRect();return{height:e.height,left:e.left+window.pageXOffset,top:e.top+window.pageYOffset,width:e.width}}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.default=function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"span",i=document.createElement(e);return t.innerText.trim().split("").map(function(t){var e=i.cloneNode();return e.insertAdjacentHTML("afterbegin"," "===t?"&nbsp;":t),e})}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=function(t,e){return t*(1-Math.cos((0,r.default)(e/2)))}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(0),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=function(t,e){return 2*t*Math.sin((0,r.default)(e/2))}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=i(8),r=function(t){return t&&t.__esModule?t:{default:t}}(n);e.default=function(t,e){return t.reduce(function(t,i){var n=i.width,o=(0,r.default)(n/e);return{"θ":t.θ+o,rotations:t.rotations.concat([t.θ+o/2])}},{"θ":0,rotations:[]})}},function(t,e,i){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var n=180/Math.PI;e.default=function(t){return t*n}}])});
\ No newline at end of file
diff --git a/package.json b/package.json
index ccbf334..928178e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "circletype",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "description": "A JavaScript library that lets you curve type on the web.",
   "main": "dist/circletype.min.js",
   "files": [
@@ -10,11 +10,11 @@
   "scripts": {
     "dev": "webpack-dev-server --open",
     "start": "eslint src && npm t && npm run docs && webpack -p",
-    "test": "jest src --notify && docker run -w /usr/data -v \"$PWD\":/usr/data tenjaa/java-chrome-nodejs npm run backstop-test",
+    "test": "jest src --notify && webpack -p && docker run -w /usr/data -v \"$PWD\":/usr/data tenjaa/java-chrome-nodejs npm run backstop-test",
     "reference": "docker run -w /usr/data -v \"$PWD\":/usr/data tenjaa/java-chrome-nodejs npm run backstop-reference",
     "backstop-test": "backstop test",
     "backstop-reference": "backstop reference",
-    "docs": "jsdoc2md --template README.hbs --files src/class.js > README.md"
+    "docs": "jsdoc2md --heading-depth 2 --template README.hbs --files src/class.js > README.md"
   },
   "keywords": [
     "circletype",
diff --git a/src/class.js b/src/class.js
index 929ffb0..518d702 100644
--- a/src/class.js
+++ b/src/class.js
@@ -1,9 +1,10 @@
-import radiansToDegrees from './utils/radiansToDegrees';
 import getRect from './utils/getRect';
 import splitNode from './utils/splitNode';
 import sagitta from './utils/sagitta';
+import chord from './utils/chord';
+import getLetterRotations from './utils/getLetterRotations';
 
-const { PI, max } = Math;
+const { PI, max, min } = Math;
 
 /**
  * A CircleType instance creates a circular text element.
@@ -43,6 +44,8 @@ class CircleType {
     this._minRadius = (totalWidth / PI / 2) + this._lineHeight;
 
     this._dir = 1;
+    this._forceWidth = false;
+    this._forceHeight = true;
     this._radius = this._minRadius;
 
     this._invalidate();
@@ -62,7 +65,7 @@ class CircleType {
    * const circleType = new CircleType(document.getElementById('myElement'));
    *
    * circleType.radius();
-   * // > 150
+   * //=> 150
    */
 
   /**
@@ -108,7 +111,7 @@ class CircleType {
    * const circleType = new CircleType(document.getElementById('myElement'));
    *
    * circleType.dir();
-   * // > 1 (clockwise)
+   * //=> 1 (clockwise)
    */
 
   /**
@@ -142,6 +145,114 @@ class CircleType {
     return this._dir;
   }
 
+  /**
+   * Gets the `forceWidth` option. If `true` the width of the arc is calculated
+   * and applied to the element as an inline style. Defaults to `false`.
+   *
+   * @name forceWidth
+   * @function
+   * @instance
+   * @memberof CircleType
+   * @return {boolean} The current `forceWidth` value
+   *
+   * @example
+   * const circleType = new CircleType(document.getElementById('myElement'));
+   *
+   * circleType.forceWidth();
+   * //=> false
+   */
+
+  /**
+   * Sets the `forceWidth` option. If `true` the width of the arc is calculated
+   * and applied to the element as an inline style.
+   *
+   * @name forceWidth
+   * @function
+   * @instance
+   * @memberof CircleType
+   * @param  {boolean} value `true` if the width should be set
+   * @return {CircleType}   The current instance.
+   *
+   * @example
+   * const circleType = new CircleType(document.getElementById('myElement'));
+   *
+   * circleType.radius(384);
+   *
+   * console.log(circleType.container);
+   * //=> <div style="position: relative; height: 3.18275em;">...</div>
+   *
+   * // Enable the force width option
+   * circleType.forceWidth(true);
+   *
+   * console.log(circleType.container);
+   * //=> <div style="position: relative; height: 3.18275em; width: 12.7473em;">...</div>
+   */
+  forceWidth(value) {
+    if (value !== undefined) {
+      this._forceWidth = value;
+
+      this._invalidate();
+
+      return this;
+    }
+
+    return this._forceWidth;
+  }
+
+  /**
+   * Gets the `forceHeight` option. If `true` the height of the arc is calculated
+   * and applied to the element as an inline style. Defaults to `true`.
+   *
+   * @name forceHeight
+   * @function
+   * @instance
+   * @memberof CircleType
+   * @return {boolean} The current `forceHeight` value
+   *
+   * @example
+   * const circleType = new CircleType(document.getElementById('myElement'));
+   *
+   * circleType.forceHeight();
+   * //=> true
+   */
+
+  /**
+   * Sets the `forceHeight` option. If `true` the height of the arc is calculated
+   * and applied to the element as an inline style.
+   *
+   * @name forceHeight
+   * @function
+   * @instance
+   * @memberof CircleType
+   * @param  {boolean} value `true` if the height should be set
+   * @return {CircleType}   The current instance.
+   *
+   * @example
+   * const circleType = new CircleType(document.getElementById('myElement'));
+   *
+   * circleType.radius(384);
+   *
+   * console.log(circleType.container);
+   * //=> <div style="position: relative; height: 3.18275em;">...</div>
+   *
+   * // Disable the force height option
+   * circleType.forceHeight(false);
+   *
+   * console.log(circleType.container);
+   * //=> <div style="position: relative;">...</div>
+   */
+  forceHeight(value) {
+    if (value !== undefined) {
+      this._forceHeight = value;
+
+      this._invalidate();
+
+      return this;
+    }
+
+    return this._forceHeight;
+  }
+
   /**
    * Schedules a task to recalculate the height of the element. This should be
    * called if the font size is ever changed.
@@ -201,28 +312,20 @@ class CircleType {
    * @return {CircleType} This instance.
    */
   _layout() {
-    const originY = this._dir === -1 ? (-this._radius + this._lineHeight) : this._radius;
-
+    const { _radius, _dir } = this;
+    const originY = _dir === -1 ? (-_radius + this._lineHeight) : _radius;
     const origin = `center ${originY / this._fontSize}em`;
-
-    const innerRadius = this._radius - this._lineHeight;
-    const { rotations, sum } = this._metrics.reduce((data, { width }) => {
-      const rotation = radiansToDegrees(width / innerRadius);
-
-      return {
-        sum: data.sum + rotation,
-        rotations: data.rotations.concat([ data.sum + (rotation / 2) ]),
-      };
-    }, { sum: 0, rotations: [] });
+    const innerRadius = _radius - this._lineHeight;
+    const { rotations, θ } = getLetterRotations(this._metrics, innerRadius);
 
     this._letters.forEach((letter, index) => {
       const { style } = letter;
-      const rotate = ((sum * -0.5) + rotations[index]) * this._dir;
+      const rotate = ((θ * -0.5) + rotations[index]) * _dir;
       const translateX = (this._metrics[index].width * -0.5) / this._fontSize;
       const transform = `translateX(${translateX}em) rotate(${rotate}deg)`;
 
       style.position = 'absolute';
-      style.bottom = this._dir === -1 ? 0 : 'auto';
+      style.bottom = _dir === -1 ? 0 : 'auto';
       style.left = '50%';
       style.transform = transform;
       style.transformOrigin = origin;
@@ -230,10 +333,17 @@ class CircleType {
       style.webkitTransformOrigin = origin;
     });
 
-    const sagInner = sagitta(innerRadius, sum) + this._lineHeight;
-    const sagOuter = sagitta(this._radius, sum);
+    if (this._forceHeight) {
+      const height = θ > 180 ? sagitta(_radius, θ) : sagitta(innerRadius, θ) + this._lineHeight;
 
-    this.container.style.height = `${max(sagInner, sagOuter) / this._fontSize}em`;
+      this.container.style.height = `${height / this._fontSize}em`;
+    }
+
+    if (this._forceWidth) {
+      const width = chord(_radius, min(180, θ));
+
+      this.container.style.width = `${width / this._fontSize}em`;
+    }
 
     return this;
   }
diff --git a/src/utils/chord.js b/src/utils/chord.js
new file mode 100644
index 0000000..506b968
--- /dev/null
+++ b/src/utils/chord.js
@@ -0,0 +1,13 @@
+import degreesToRadians from './degreesToRadians';
+
+/**
+ * Gets the chord length of an arc.
+ *
+ * @see {@link https://en.wikipedia.org/wiki/Chord_(geometry)}
+ *
+ * @param {number} r The radius of the arc.
+ * @param {number} θ The angle in degrees of the arc.
+ *
+ * @return {number} The chord of the provided arc.
+ */
+export default (r, θ) => 2 * r * Math.sin(degreesToRadians(θ / 2));
diff --git a/src/utils/getLetterRotations.js b/src/utils/getLetterRotations.js
new file mode 100644
index 0000000..6ce7473
--- /dev/null
+++ b/src/utils/getLetterRotations.js
@@ -0,0 +1,10 @@
+import radiansToDegrees from './radiansToDegrees';
+
+export default (metrics, r) => metrics.reduce((data, { width }) => {
+  const rotation = radiansToDegrees(width / r);
+
+  return {
+    θ: data.θ + rotation,
+    rotations: data.rotations.concat([ data.θ + (rotation / 2) ]),
+  };
+}, { θ: 0, rotations: [] });
diff --git a/yarn.lock b/yarn.lock
index 3510735..1184bb3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -22,6 +22,13 @@ abbrev@1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.0.tgz#d0554c2256636e2f56e7c2e5ad183f859428d81f"
 
+accepts@~1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.4.tgz#86246758c7dd6d21a6474ff084a4740ec05eb21f"
+  dependencies:
+    mime-types "~2.1.16"
+    negotiator "0.6.1"
+
 acorn-dynamic-import@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-2.0.2.tgz#c752bd210bef679501b6c6cb7fc84f8f47158cc4"
@@ -108,6 +115,10 @@ ansi-escapes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.0.0.tgz#ec3e8b4e9f8064fc02c3ac9b65f1c275bda8ef92"
 
+ansi-html@0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/ansi-html/-/ansi-html-0.0.7.tgz#813584021962a9e9e6fd039f940d12f56ca7859e"
+
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -195,6 +206,21 @@ array-find-index@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
 
+array-flatten@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
+
+array-flatten@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-2.1.1.tgz#426bb9da84090c1838d812c8150af20a8331e296"
+
+array-includes@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/array-includes/-/array-includes-3.0.3.tgz#184b48f62d92d7452bb31b323165c7f8bd02266d"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.7.0"
+
 array-union@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
@@ -253,7 +279,7 @@ async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
-async@^1.4.0:
+async@^1.4.0, async@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
@@ -957,6 +983,10 @@ base64-js@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.1.tgz#a91947da1f4a516ea38e5b4ec0ec3773675e0886"
 
+batch@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/batch/-/batch-0.6.1.tgz#dc34314f4e679318093fc760272525f94bf25c16"
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
@@ -993,6 +1023,32 @@ bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
 
+body-parser@1.18.2:
+  version "1.18.2"
+  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"
+  dependencies:
+    bytes "3.0.0"
+    content-type "~1.0.4"
+    debug "2.6.9"
+    depd "~1.1.1"
+    http-errors "~1.6.2"
+    iconv-lite "0.4.19"
+    on-finished "~2.3.0"
+    qs "6.5.1"
+    raw-body "2.3.2"
+    type-is "~1.6.15"
+
+bonjour@^3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/bonjour/-/bonjour-3.5.0.tgz#8e890a183d8ee9a2393b3844c691a42bcf7bc9f5"
+  dependencies:
+    array-flatten "^2.1.0"
+    deep-equal "^1.0.1"
+    dns-equal "^1.0.0"
+    dns-txt "^2.0.2"
+    multicast-dns "^6.0.1"
+    multicast-dns-service-types "^1.1.0"
+
 boom@2.x.x:
   version "2.10.1"
   resolved "https://registry.yarnpkg.com/boom/-/boom-2.10.1.tgz#39c8918ceff5799f83f9492a848f625add0c766f"
@@ -1092,6 +1148,10 @@ buffer-equal@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-0.0.1.tgz#91bc74b11ea405bc916bc6aa908faafa5b4aac4b"
 
+buffer-indexof@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-indexof/-/buffer-indexof-1.1.1.tgz#52fabcc6a606d1a00302802648ef68f639da268c"
+
 buffer-xor@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
@@ -1112,6 +1172,10 @@ builtin-status-codes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
 
+bytes@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+
 cache-point@^0.4.0, cache-point@~0.4.0:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/cache-point/-/cache-point-0.4.1.tgz#cc8c9cbd99d90d7b0c66910cd33d77a1aab8840e"
@@ -1149,6 +1213,10 @@ camelcase@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
 
+camelcase@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
+
 camelcase@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
@@ -1196,7 +1264,7 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
-chokidar@^1.7.0:
+chokidar@^1.6.0, chokidar@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
   dependencies:
@@ -1350,6 +1418,24 @@ commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
 
+compressible@~2.0.11:
+  version "2.0.12"
+  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.12.tgz#c59a5c99db76767e9876500e271ef63b3493bd66"
+  dependencies:
+    mime-db ">= 1.30.0 < 2"
+
+compression@^1.5.2:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/compression/-/compression-1.7.1.tgz#eff2603efc2e22cf86f35d2eb93589f9875373db"
+  dependencies:
+    accepts "~1.3.4"
+    bytes "3.0.0"
+    compressible "~2.0.11"
+    debug "2.6.9"
+    on-headers "~1.0.1"
+    safe-buffer "5.1.1"
+    vary "~1.1.2"
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -1368,6 +1454,10 @@ config-master@^3.0.0:
   dependencies:
     walk-back "^2.0.1"
 
+connect-history-api-fallback@^1.3.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/connect-history-api-fallback/-/connect-history-api-fallback-1.5.0.tgz#b06873934bc5e344fef611a196a6faae0aee015a"
+
 console-browserify@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.1.0.tgz#f0241c45730a9fc6323b206dbf38edc741d0bb10"
@@ -1386,14 +1476,30 @@ contains-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/contains-path/-/contains-path-0.1.0.tgz#fe8cf184ff6670b6baef01a9d4861a5cbec4120a"
 
+content-disposition@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
+
 content-type-parser@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/content-type-parser/-/content-type-parser-1.0.1.tgz#c3e56988c53c65127fb46d4032a3a900246fdc94"
 
+content-type@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
+
 convert-source-map@^1.4.0, convert-source-map@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.0.tgz#9acd70851c6d5dfdd93d9282e5edf94a03ff46b5"
 
+cookie-signature@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
+
+cookie@0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
+
 core-js@^2.4.0, core-js@^2.5.0:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.1.tgz#ae6874dc66937789b80754ff5428df66819ca50b"
@@ -1503,16 +1609,32 @@ debug@2.2.0:
   dependencies:
     ms "0.7.1"
 
+debug@2.6.9, debug@^2.6.6:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  dependencies:
+    ms "2.0.0"
+
 debug@^2.2.0, debug@^2.6.3, debug@^2.6.8:
   version "2.6.8"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
   dependencies:
     ms "2.0.0"
 
+debug@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
+  dependencies:
+    ms "2.0.0"
+
 decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
+deep-equal@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
+
 deep-extend@~0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
@@ -1535,6 +1657,13 @@ defer-promise@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/defer-promise/-/defer-promise-1.0.1.tgz#1ca6ffeddbcef1715dd7aae25c7616f9ae22932f"
 
+define-properties@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
+  dependencies:
+    foreach "^2.0.5"
+    object-keys "^1.0.8"
+
 del@^2.0.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
@@ -1547,6 +1676,17 @@ del@^2.0.2:
     pinkie-promise "^2.0.0"
     rimraf "^2.2.8"
 
+del@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/del/-/del-3.0.0.tgz#53ecf699ffcbcb39637691ab13baf160819766e5"
+  dependencies:
+    globby "^6.1.0"
+    is-path-cwd "^1.0.0"
+    is-path-in-cwd "^1.0.0"
+    p-map "^1.1.1"
+    pify "^3.0.0"
+    rimraf "^2.2.8"
+
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -1555,6 +1695,10 @@ delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
 
+depd@1.1.1, depd@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
+
 des.js@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
@@ -1562,12 +1706,20 @@ des.js@^1.0.0:
     inherits "^2.0.1"
     minimalistic-assert "^1.0.0"
 
+destroy@~1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+
 detect-indent@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
   dependencies:
     repeating "^2.0.0"
 
+detect-node@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/detect-node/-/detect-node-2.0.3.tgz#a2033c09cc8e158d37748fbde7507832bd6ce127"
+
 diff@^3.2.0:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.1.tgz#aa8567a6eed03c531fc89d3f711cd0e5259dec75"
@@ -1597,6 +1749,23 @@ dmd@^3.0.0:
     test-value "^2.1.0"
     walk-back "^3.0.0"
 
+dns-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/dns-equal/-/dns-equal-1.0.0.tgz#b39e7f1da6eb0a75ba9c17324b34753c47e0654d"
+
+dns-packet@^1.0.1:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/dns-packet/-/dns-packet-1.2.2.tgz#a8a26bec7646438963fc86e06f8f8b16d6c8bf7a"
+  dependencies:
+    ip "^1.1.0"
+    safe-buffer "^5.0.1"
+
+dns-txt@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/dns-txt/-/dns-txt-2.0.2.tgz#b91d806f5d27188e4ab3e7d107d881a1cc4642b6"
+  dependencies:
+    buffer-indexof "^1.0.0"
+
 doctrine@1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
@@ -1625,6 +1794,10 @@ ecc-jsbn@~0.1.1:
   dependencies:
     jsbn "~0.1.0"
 
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+
 electron-to-chromium@^1.3.18:
   version "1.3.20"
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.20.tgz#2eedd5ccbae7ddc557f68ad1fce9c172e915e4e5"
@@ -1645,6 +1818,10 @@ emojis-list@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-2.1.0.tgz#4daa4d9db00f9819880c79fa457ae5b09a1fd389"
 
+encodeurl@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.1.tgz#79e3d58655346909fe6f0f45a5de68103b294d20"
+
 enhanced-resolve@^3.4.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.4.1.tgz#0421e339fd71419b3da13d129b3979040230476e"
@@ -1666,6 +1843,24 @@ error-ex@^1.2.0:
   dependencies:
     is-arrayish "^0.2.1"
 
+es-abstract@^1.7.0:
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.9.0.tgz#690829a07cae36b222e7fd9b75c0d0573eb25227"
+  dependencies:
+    es-to-primitive "^1.1.1"
+    function-bind "^1.1.1"
+    has "^1.0.1"
+    is-callable "^1.1.3"
+    is-regex "^1.0.4"
+
+es-to-primitive@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.1.1.tgz#45355248a88979034b6792e19bb81f2b7975dd0d"
+  dependencies:
+    is-callable "^1.1.1"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.1"
+
 es5-ext@^0.10.14, es5-ext@^0.10.9, es5-ext@~0.10.14:
   version "0.10.30"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.30.tgz#7141a16836697dbabfaaaeee41495ce29f52c939"
@@ -1726,6 +1921,10 @@ es6-weak-map@^2.0.1:
     es6-iterator "^2.0.1"
     es6-symbol "^3.1.1"
 
+escape-html@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+
 escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5, escape-string-regexp@~1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
@@ -1895,6 +2094,10 @@ esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
 
+etag@~1.8.1:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
+
 event-emitter@~0.3.5:
   version "0.3.5"
   resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
@@ -1902,10 +2105,20 @@ event-emitter@~0.3.5:
     d "1"
     es5-ext "~0.10.14"
 
+eventemitter3@1.x.x:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
+
 events@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
 
+eventsource@0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-0.1.6.tgz#0acede849ed7dd1ccc32c811bb11b944d4f29232"
+  dependencies:
+    original ">=0.0.5"
+
 evp_bytestokey@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.2.tgz#f66bb88ecd57f71a766821e20283ea38c68bf80a"
@@ -1958,6 +2171,41 @@ expect@^21.0.2:
     jest-message-util "^21.0.2"
     jest-regex-util "^21.0.2"
 
+express@^4.13.3:
+  version "4.16.2"
+  resolved "https://registry.yarnpkg.com/express/-/express-4.16.2.tgz#e35c6dfe2d64b7dca0a5cd4f21781be3299e076c"
+  dependencies:
+    accepts "~1.3.4"
+    array-flatten "1.1.1"
+    body-parser "1.18.2"
+    content-disposition "0.5.2"
+    content-type "~1.0.4"
+    cookie "0.3.1"
+    cookie-signature "1.0.6"
+    debug "2.6.9"
+    depd "~1.1.1"
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    finalhandler "1.1.0"
+    fresh "0.5.2"
+    merge-descriptors "1.0.1"
+    methods "~1.1.2"
+    on-finished "~2.3.0"
+    parseurl "~1.3.2"
+    path-to-regexp "0.1.7"
+    proxy-addr "~2.0.2"
+    qs "6.5.1"
+    range-parser "~1.2.0"
+    safe-buffer "5.1.1"
+    send "0.16.1"
+    serve-static "1.13.1"
+    setprototypeof "1.1.0"
+    statuses "~1.3.1"
+    type-is "~1.6.15"
+    utils-merge "1.0.1"
+    vary "~1.1.2"
+
 extend@~3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
@@ -1997,6 +2245,18 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
+faye-websocket@^0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.10.0.tgz#4e492f8d04dfb6f89003507f6edbf2d501e7c6f4"
+  dependencies:
+    websocket-driver ">=0.5.1"
+
+faye-websocket@~0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.1.tgz#f0efe18c4f56e4f40afc7e06c719fd5ee6188f38"
+  dependencies:
+    websocket-driver ">=0.5.1"
+
 fb-watchman@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fb-watchman/-/fb-watchman-2.0.0.tgz#54e9abf7dfa2f26cd9b1636c588c1afc05de5d58"
@@ -2054,6 +2314,18 @@ fill-range@^2.1.0:
     repeat-element "^1.1.2"
     repeat-string "^1.5.2"
 
+finalhandler@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-1.1.0.tgz#ce0b6855b45853e791b2fcc680046d88253dd7f5"
+  dependencies:
+    debug "2.6.9"
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    on-finished "~2.3.0"
+    parseurl "~1.3.2"
+    statuses "~1.3.1"
+    unpipe "~1.0.0"
+
 find-cache-dir@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
@@ -2115,6 +2387,10 @@ for-own@^0.1.4:
   dependencies:
     for-in "^1.0.1"
 
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -2133,6 +2409,14 @@ formatio@1.1.1:
   dependencies:
     samsam "~1.1"
 
+forwarded@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
+
+fresh@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
+
 fs-extra@^0.30.0:
   version "0.30.0"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-0.30.0.tgz#f233ffcc08d4da7d432daa449776989db1df93f0"
@@ -2183,7 +2467,7 @@ fstream@^1.0.0, fstream@^1.0.10, fstream@^1.0.2:
     mkdirp ">=0.5 0"
     rimraf "2"
 
-function-bind@^1.0.2:
+function-bind@^1.0.2, function-bind@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
 
@@ -2272,6 +2556,16 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+globby@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-6.1.0.tgz#f5a6d70e8395e21c858fb0489d64df02424d506c"
+  dependencies:
+    array-union "^1.0.1"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
@@ -2280,6 +2574,10 @@ growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
+handle-thing@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/handle-thing/-/handle-thing-1.2.5.tgz#fd7aad726bf1a5fd16dfc29b2f7a6601d27139c4"
+
 handlebars@3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-3.0.3.tgz#0e09651a2f0fb3c949160583710d551f92e6d2ad"
@@ -2397,12 +2695,58 @@ hosted-git-info@^2.1.4:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
 
+hpack.js@^2.1.6:
+  version "2.1.6"
+  resolved "https://registry.yarnpkg.com/hpack.js/-/hpack.js-2.1.6.tgz#87774c0949e513f42e84575b3c45681fade2a0b2"
+  dependencies:
+    inherits "^2.0.1"
+    obuf "^1.0.0"
+    readable-stream "^2.0.1"
+    wbuf "^1.1.0"
+
 html-encoding-sniffer@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-1.0.1.tgz#79bf7a785ea495fe66165e734153f363ff5437da"
   dependencies:
     whatwg-encoding "^1.0.1"
 
+html-entities@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/html-entities/-/html-entities-1.2.1.tgz#0df29351f0721163515dfb9e5543e5f6eed5162f"
+
+http-deceiver@^1.2.7:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/http-deceiver/-/http-deceiver-1.2.7.tgz#fa7168944ab9a519d337cb0bec7284dc3e723d87"
+
+http-errors@1.6.2, http-errors@~1.6.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.6.2.tgz#0a002cc85707192a7e7946ceedc11155f60ec736"
+  dependencies:
+    depd "1.1.1"
+    inherits "2.0.3"
+    setprototypeof "1.0.3"
+    statuses ">= 1.3.1 < 2"
+
+http-parser-js@>=0.4.0:
+  version "0.4.9"
+  resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.4.9.tgz#ea1a04fb64adff0242e9974f297dd4c3cad271e1"
+
+http-proxy-middleware@~0.17.4:
+  version "0.17.4"
+  resolved "https://registry.yarnpkg.com/http-proxy-middleware/-/http-proxy-middleware-0.17.4.tgz#642e8848851d66f09d4f124912846dbaeb41b833"
+  dependencies:
+    http-proxy "^1.16.2"
+    is-glob "^3.1.0"
+    lodash "^4.17.2"
+    micromatch "^2.3.11"
+
+http-proxy@^1.16.2:
+  version "1.16.2"
+  resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-1.16.2.tgz#06dff292952bf64dbe8471fa9df73066d4f37742"
+  dependencies:
+    eventemitter3 "1.x.x"
+    requires-port "1.x.x"
+
 http-signature@~1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.1.1.tgz#df72e267066cd0ac67fb76adf8e134a8fbcf91bf"
@@ -2419,6 +2763,10 @@ iconv-lite@0.4.13:
   version "0.4.13"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.13.tgz#1f88aba4ab0b1508e8312acc39345f36e992e2f2"
 
+iconv-lite@0.4.19:
+  version "0.4.19"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
+
 iconv-lite@^0.4.17:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.18.tgz#23d8656b16aae6742ac29732ea8f0336a4789cf2"
@@ -2431,6 +2779,13 @@ ignore@^3.3.3:
   version "3.3.5"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.5.tgz#c4e715455f6073a8d7e5dae72d2fc9d71663dba6"
 
+import-local@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/import-local/-/import-local-0.1.1.tgz#b1179572aacdc11c6a91009fb430dbcab5f668a8"
+  dependencies:
+    pkg-dir "^2.0.0"
+    resolve-cwd "^2.0.0"
+
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -2452,7 +2807,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
+inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
@@ -2483,6 +2838,12 @@ inquirer@^3.0.6:
     strip-ansi "^4.0.0"
     through "^2.3.6"
 
+internal-ip@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/internal-ip/-/internal-ip-1.2.0.tgz#ae9fbf93b984878785d50a8de1b356956058cf5c"
+  dependencies:
+    meow "^3.3.0"
+
 interpret@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.0.3.tgz#cbc35c62eeee73f19ab7b10a801511401afc0f90"
@@ -2501,6 +2862,14 @@ ip-regex@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-1.0.3.tgz#dc589076f659f419c222039a33316f1c7387effd"
 
+ip@^1.1.0, ip@^1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/ip/-/ip-1.1.5.tgz#bdded70114290828c0a039e72ef25f5aaec4354a"
+
+ipaddr.js@1.5.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.5.2.tgz#d4b505bde9946987ccf0fc58d9010ff9607e3fa0"
+
 is-arrayish@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
@@ -2521,12 +2890,20 @@ is-builtin-module@^1.0.0:
   dependencies:
     builtin-modules "^1.0.0"
 
+is-callable@^1.1.1, is-callable@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.3.tgz#86eb75392805ddc33af71c92a0eedf74ee7604b2"
+
 is-ci@^1.0.10:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.0.10.tgz#f739336b2632365061a9d48270cd56ae3369318e"
   dependencies:
     ci-info "^1.0.0"
 
+is-date-object@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz#9aa20eb6aeebbff77fbd33e74ca01b33581d3a16"
+
 is-dotfile@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
@@ -2545,6 +2922,10 @@ is-extglob@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
 
+is-extglob@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+
 is-finite@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
@@ -2571,6 +2952,12 @@ is-glob@^2.0.0, is-glob@^2.0.1:
   dependencies:
     is-extglob "^1.0.0"
 
+is-glob@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
+  dependencies:
+    is-extglob "^2.1.0"
+
 is-number@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
@@ -2611,6 +2998,12 @@ is-promise@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
 
+is-regex@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
+  dependencies:
+    has "^1.0.1"
+
 is-resolvable@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.0.tgz#8df57c61ea2e3c501408d100fb013cf8d6e0cc62"
@@ -2621,6 +3014,10 @@ is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
+is-symbol@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.1.tgz#3cc59f00025194b6ab2e38dbae6689256b660572"
+
 is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
@@ -2629,6 +3026,10 @@ is-utf8@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
+is-wsl@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-wsl/-/is-wsl-1.1.0.tgz#1f16e4aa22b04d1336b66188a66af3c600c3a66d"
+
 isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
@@ -3098,6 +3499,10 @@ json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
 
+json3@^3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/json3/-/json3-3.3.2.tgz#3c0434743df93e2f5c42aee7b19bcb483575f4e1"
+
 json5@^0.5.0, json5@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
@@ -3134,6 +3539,10 @@ kew@~0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/kew/-/kew-0.7.0.tgz#79d93d2d33363d6fdd2970b335d9141ad591d79b"
 
+killable@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/killable/-/killable-1.0.0.tgz#da8b84bd47de5395878f95d64d02f2449fe05e6b"
+
 kind-of@^3.0.2:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
@@ -3252,7 +3661,7 @@ lodash.pick@^4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
 
-lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.3.0:
+lodash@^4.0.0, lodash@^4.14.0, lodash@^4.17.2, lodash@^4.17.4, lodash@^4.3.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -3260,6 +3669,10 @@ lodash@~3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.5.0.tgz#19bb3f4d51278f0b8c818ed145c74ecf9fe40e6d"
 
+loglevel@^1.4.1:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/loglevel/-/loglevel-1.6.0.tgz#ae0caa561111498c5ba13723d6fb631d24003934"
+
 lolex@1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/lolex/-/lolex-1.3.2.tgz#7c3da62ffcb30f0f5a80a2566ca24e45d8a01f31"
@@ -3315,6 +3728,10 @@ md5.js@^1.3.4:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+
 mem@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/mem/-/mem-1.1.0.tgz#5edd52b485ca1d900fe64895505399a0dfa45f76"
@@ -3328,7 +3745,7 @@ memory-fs@^0.4.0, memory-fs@~0.4.1:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
-meow@*:
+meow@*, meow@^3.3.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
   dependencies:
@@ -3343,10 +3760,18 @@ meow@*:
     redent "^1.0.0"
     trim-newlines "^1.0.0"
 
+merge-descriptors@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
+
 merge@1.2.0, merge@^1.1.3:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/merge/-/merge-1.2.0.tgz#7531e39d4949c281a66b8c5a6e0265e8b05894da"
 
+methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+
 micromatch@^2.1.5, micromatch@^2.3.11:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
@@ -3372,20 +3797,28 @@ miller-rabin@^4.0.0:
     bn.js "^4.0.0"
     brorand "^1.0.1"
 
-mime-db@~1.30.0:
+"mime-db@>= 1.30.0 < 2", mime-db@~1.30.0:
   version "1.30.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.30.0.tgz#74c643da2dd9d6a45399963465b26d5ca7d71f01"
 
-mime-types@^2.1.12, mime-types@~2.1.7:
+mime-types@^2.1.12, mime-types@~2.1.15, mime-types@~2.1.16, mime-types@~2.1.17, mime-types@~2.1.7:
   version "2.1.17"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.17.tgz#09d7a393f03e995a79f8af857b70a9e0ab16557a"
   dependencies:
     mime-db "~1.30.0"
 
+mime@1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
+
 mime@^1.3.4:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.0.tgz#69e9e0db51d44f2a3b56e48b7817d7d137f1a343"
 
+mime@^1.4.1:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.5.0.tgz#59c20e03ae116089edeb7d3b34a6788c5b3cccea"
+
 mimic-fn@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.1.0.tgz#e667783d92e89dbd342818b5230b9d62a672ad18"
@@ -3410,7 +3843,7 @@ minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8:
+minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
@@ -3418,10 +3851,6 @@ minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
-minimist@~0.0.1:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
-
 mkdirp2@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/mkdirp2/-/mkdirp2-1.0.3.tgz#cc8dd8265f1f06e2d8f5b10b6e52f4e050bed21b"
@@ -3432,7 +3861,7 @@ mkdirp@0.5.0:
   dependencies:
     minimist "0.0.8"
 
-mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
+mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -3446,6 +3875,17 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
+multicast-dns-service-types@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/multicast-dns-service-types/-/multicast-dns-service-types-1.1.0.tgz#899f11d9686e5e05cb91b35d5f0e63b773cfc901"
+
+multicast-dns@^6.0.1:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/multicast-dns/-/multicast-dns-6.2.0.tgz#13f22d0c32dc5ee82a32878e3c380d875b3eab22"
+  dependencies:
+    dns-packet "^1.0.1"
+    thunky "^0.1.0"
+
 mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
@@ -3458,6 +3898,14 @@ natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
 
+negotiator@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
+
+node-forge@0.6.33:
+  version "0.6.33"
+  resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-0.6.33.tgz#463811879f573d45155ad6a9f43dc296e8e85ebc"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -3577,13 +4025,13 @@ object-get@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/object-get/-/object-get-2.1.0.tgz#722bbdb60039efa47cad3c6dc2ce51a85c02c5ae"
 
-object-hash@1.1.5:
+object-hash@1.1.5, object-hash@^1.1.4:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-1.1.5.tgz#bdd844e030d0861b692ca175c6cab6868ec233d7"
 
-object-hash@^1.1.4:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-1.1.8.tgz#28a659cf987d96a4dabe7860289f3b5326c4a03c"
+object-keys@^1.0.8:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
 
 object-to-spawn-args@^1.1.0:
   version "1.1.1"
@@ -3596,6 +4044,20 @@ object.omit@^2.0.0:
     for-own "^0.1.4"
     is-extendable "^0.1.1"
 
+obuf@^1.0.0, obuf@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/obuf/-/obuf-1.1.1.tgz#104124b6c602c6796881a042541d36db43a5264e"
+
+on-finished@~2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  dependencies:
+    ee-first "1.1.1"
+
+on-headers@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/on-headers/-/on-headers-1.0.1.tgz#928f5d0f470d49342651ea6794b0857c100693f7"
+
 once@^1.3.0, once@^1.3.3, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
@@ -3612,6 +4074,12 @@ open@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/open/-/open-0.0.5.tgz#42c3e18ec95466b6bf0dc42f3a2945c3f0cad8fc"
 
+opn@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/opn/-/opn-5.1.0.tgz#72ce2306a17dbea58ff1041853352b4a8fc77519"
+  dependencies:
+    is-wsl "^1.1.0"
+
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
@@ -3636,6 +4104,12 @@ optionator@^0.8.1, optionator@^0.8.2:
     type-check "~0.3.2"
     wordwrap "~1.0.0"
 
+original@>=0.0.5:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/original/-/original-1.0.0.tgz#9147f93fa1696d04be61e01bd50baeaca656bd3b"
+  dependencies:
+    url-parse "1.0.x"
+
 os-browserify@^0.2.0:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.2.1.tgz#63fc4ccee5d2d7763d26bbf8601078e6c2e0044f"
@@ -3644,6 +4118,12 @@ os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
+os-locale@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  dependencies:
+    lcid "^1.0.0"
+
 os-locale@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-2.1.0.tgz#42bc2900a6b5b8bd17376c8e882b65afccf24bf2"
@@ -3744,6 +4224,10 @@ parse5@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-1.5.1.tgz#9b7f3b0de32be78dc2401b17573ccaf0f6f59d94"
 
+parseurl@~1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.2.tgz#fc289d4ed8993119460c156253262cdc8de65bf3"
+
 path-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
@@ -3774,6 +4258,10 @@ path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
 
+path-to-regexp@0.1.7:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
+
 path-type@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
@@ -3868,6 +4356,14 @@ pngjs@~2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/pngjs/-/pngjs-2.2.0.tgz#649663609a0ebab87c8f08b3fe724048b51d9d7f"
 
+portfinder@^1.0.9:
+  version "1.0.13"
+  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.13.tgz#bb32ecd87c27104ae6ee44b5a3ccbf0ebb1aede9"
+  dependencies:
+    async "^1.5.2"
+    debug "^2.2.0"
+    mkdirp "0.5.x"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -3907,6 +4403,13 @@ progress@~1.1.8:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
 
+proxy-addr@~2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.2.tgz#6571504f47bb988ec8180253f85dd7e14952bdec"
+  dependencies:
+    forwarded "~0.1.2"
+    ipaddr.js "1.5.2"
+
 prr@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"
@@ -3933,6 +4436,10 @@ punycode@^1.2.4, punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
+qs@6.5.1:
+  version "6.5.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
+
 qs@~6.4.0:
   version "6.4.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
@@ -3945,6 +4452,14 @@ querystring@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
 
+querystringify@0.0.x:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-0.0.4.tgz#0cf7f84f9463ff0ae51c4c4b142d95be37724d9c"
+
+querystringify@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-1.0.0.tgz#6286242112c5b712fa654e526652bf6a13ff05cb"
+
 randomatic@^1.1.3:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-1.1.7.tgz#c7abe9cc8b87c0baa876b19fde83fd464797e38c"
@@ -3958,6 +4473,19 @@ randombytes@^2.0.0, randombytes@^2.0.1:
   dependencies:
     safe-buffer "^5.1.0"
 
+range-parser@^1.0.3, range-parser@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
+
+raw-body@2.3.2:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.3.2.tgz#bcd60c77d3eb93cde0050295c3f379389bc88f89"
+  dependencies:
+    bytes "3.0.0"
+    http-errors "1.6.2"
+    iconv-lite "0.4.19"
+    unpipe "1.0.0"
+
 rc@^1.1.7:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.1.tgz#2e03e8e42ee450b8cb3dce65be1bf8974e1dfd95"
@@ -4001,7 +4529,7 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2, readable-stream@^2.2.6:
+readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2, readable-stream@^2.2.6, readable-stream@^2.2.9:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
@@ -4169,16 +4697,30 @@ require-uncached@^1.0.3:
     caller-path "^0.1.0"
     resolve-from "^1.0.0"
 
+requires-port@1.0.x, requires-port@1.x.x, requires-port@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
+
 requizzle@~0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/requizzle/-/requizzle-0.2.1.tgz#6943c3530c4d9a7e46f1cddd51c158fc670cdbde"
   dependencies:
     underscore "~1.6.0"
 
+resolve-cwd@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-cwd/-/resolve-cwd-2.0.0.tgz#00a9f7387556e27038eae232caa372a6a59b665a"
+  dependencies:
+    resolve-from "^3.0.0"
+
 resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
+resolve-from@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"
+
 resolve@1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
@@ -4235,18 +4777,14 @@ rx-lite@*, rx-lite@^4.0.8:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-4.0.8.tgz#0b1e11af8bc44836f04a6407e92da42467b79444"
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
-samsam@1.1.2:
+samsam@1.1.2, samsam@~1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.1.2.tgz#bec11fdc83a9fda063401210e40176c3024d1567"
 
-samsam@~1.1:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.1.3.tgz#9f5087419b4d091f232571e7fa52e90b0f552621"
-
 sane@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/sane/-/sane-2.0.0.tgz#99cb79f21f4a53a69d4d0cd957c2db04024b8eb2"
@@ -4265,10 +4803,59 @@ sax@>=0.6.0, sax@^1.2.1:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
 
+select-hose@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
+
+selfsigned@^1.9.1:
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/selfsigned/-/selfsigned-1.10.1.tgz#bf8cb7b83256c4551e31347c6311778db99eec52"
+  dependencies:
+    node-forge "0.6.33"
+
 "semver@2 || 3 || 4 || 5", semver@^5.3.0:
   version "5.4.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
+send@0.16.1:
+  version "0.16.1"
+  resolved "https://registry.yarnpkg.com/send/-/send-0.16.1.tgz#a70e1ca21d1382c11d0d9f6231deb281080d7ab3"
+  dependencies:
+    debug "2.6.9"
+    depd "~1.1.1"
+    destroy "~1.0.4"
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    etag "~1.8.1"
+    fresh "0.5.2"
+    http-errors "~1.6.2"
+    mime "1.4.1"
+    ms "2.0.0"
+    on-finished "~2.3.0"
+    range-parser "~1.2.0"
+    statuses "~1.3.1"
+
+serve-index@^1.7.2:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/serve-index/-/serve-index-1.9.1.tgz#d3768d69b1e7d82e5ce050fff5b453bea12a9239"
+  dependencies:
+    accepts "~1.3.4"
+    batch "0.6.1"
+    debug "2.6.9"
+    escape-html "~1.0.3"
+    http-errors "~1.6.2"
+    mime-types "~2.1.17"
+    parseurl "~1.3.2"
+
+serve-static@1.13.1:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.13.1.tgz#4c57d53404a761d8f2e7c1e8a18a47dbf278a719"
+  dependencies:
+    encodeurl "~1.0.1"
+    escape-html "~1.0.3"
+    parseurl "~1.3.2"
+    send "0.16.1"
+
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
@@ -4281,6 +4868,14 @@ setimmediate@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
 
+setprototypeof@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.3.tgz#66567e37043eeb4f04d91bd658c0cbefb55b8e04"
+
+setprototypeof@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.0.tgz#d0bd85536887b6fe7c0d818cb962d9d91c54e656"
+
 sha.js@^2.4.0, sha.js@^2.4.8:
   version "2.4.8"
   resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.8.tgz#37068c2c476b6baf402d14a49c67f597921f634f"
@@ -4328,6 +4923,24 @@ sntp@1.x.x:
   dependencies:
     hoek "2.x.x"
 
+sockjs-client@1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/sockjs-client/-/sockjs-client-1.1.4.tgz#5babe386b775e4cf14e7520911452654016c8b12"
+  dependencies:
+    debug "^2.6.6"
+    eventsource "0.1.6"
+    faye-websocket "~0.11.0"
+    inherits "^2.0.1"
+    json3 "^3.3.2"
+    url-parse "^1.1.8"
+
+sockjs@0.3.18:
+  version "0.3.18"
+  resolved "https://registry.yarnpkg.com/sockjs/-/sockjs-0.3.18.tgz#d9b289316ca7df77595ef299e075f0f937eb4207"
+  dependencies:
+    faye-websocket "^0.10.0"
+    uuid "^2.0.2"
+
 sort-array@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/sort-array/-/sort-array-1.1.2.tgz#b88986053c0170a7f9de63f18a49ec79c24c3e64"
@@ -4382,6 +4995,29 @@ spdx-license-ids@^1.0.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
 
+spdy-transport@^2.0.18:
+  version "2.0.20"
+  resolved "https://registry.yarnpkg.com/spdy-transport/-/spdy-transport-2.0.20.tgz#735e72054c486b2354fe89e702256004a39ace4d"
+  dependencies:
+    debug "^2.6.8"
+    detect-node "^2.0.3"
+    hpack.js "^2.1.6"
+    obuf "^1.1.1"
+    readable-stream "^2.2.9"
+    safe-buffer "^5.0.1"
+    wbuf "^1.7.2"
+
+spdy@^3.4.1:
+  version "3.4.7"
+  resolved "https://registry.yarnpkg.com/spdy/-/spdy-3.4.7.tgz#42ff41ece5cc0f99a3a6c28aabb73f5c3b03acbc"
+  dependencies:
+    debug "^2.6.8"
+    handle-thing "^1.2.5"
+    http-deceiver "^1.2.7"
+    safe-buffer "^5.0.1"
+    select-hose "^2.0.0"
+    spdy-transport "^2.0.18"
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -4400,6 +5036,14 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+"statuses@>= 1.3.1 < 2":
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
+
+statuses@~1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
+
 stream-browserify@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
@@ -4634,6 +5278,14 @@ through@^2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
+thunky@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/thunky/-/thunky-0.1.0.tgz#bf30146824e2b6e67b0f2d7a4ac8beb26908684e"
+
+time-stamp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-2.0.0.tgz#95c6a44530e15ba8d6f4a3ecb8c3a3fac46da357"
+
 timers-browserify@^2.0.2:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.4.tgz#96ca53f4b794a5e7c0e1bd7cc88a372298fa01e6"
@@ -4708,6 +5360,13 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
+type-is@~1.6.15:
+  version "1.6.15"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.15.tgz#cab10fb4909e441c82842eafe1ad646c81804410"
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.15"
+
 typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
@@ -4767,6 +5426,24 @@ underscore@~1.8.3:
   version "1.8.3"
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.8.3.tgz#4f3fb53b106e6097fcf9cb4109f2a5e9bdfa5022"
 
+unpipe@1.0.0, unpipe@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
+
+url-parse@1.0.x:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.0.5.tgz#0854860422afdcfefeb6c965c662d4800169927b"
+  dependencies:
+    querystringify "0.0.x"
+    requires-port "1.0.x"
+
+url-parse@^1.1.8:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.2.0.tgz#3a19e8aaa6d023ddd27dcc44cb4fc8f7fec23986"
+  dependencies:
+    querystringify "~1.0.0"
+    requires-port "~1.0.0"
+
 url-regex@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/url-regex/-/url-regex-3.2.0.tgz#dbad1e0c9e29e105dd0b1f09f6862f7fdb482724"
@@ -4801,6 +5478,14 @@ util@0.10.3, "util@>=0.10.3 <1", util@^0.10.3:
   dependencies:
     inherits "2.0.1"
 
+utils-merge@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
+
+uuid@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.3.tgz#67e2e863797215530dff318e5bf9dcebfd47b21a"
+
 uuid@^3.0.0, uuid@^3.0.1, uuid@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
@@ -4812,6 +5497,10 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "~1.0.0"
     spdx-expression-parse "~1.0.0"
 
+vary@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
+
 verror@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
@@ -4852,6 +5541,12 @@ watchpack@^1.4.0:
     chokidar "^1.7.0"
     graceful-fs "^4.1.2"
 
+wbuf@^1.1.0, wbuf@^1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/wbuf/-/wbuf-1.7.2.tgz#d697b99f1f59512df2751be42769c1580b5801fe"
+  dependencies:
+    minimalistic-assert "^1.0.0"
+
 webidl-conversions@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
@@ -4860,6 +5555,48 @@ webidl-conversions@^4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
 
+webpack-dev-middleware@^1.11.0:
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.12.1.tgz#338be3ca930973be1c2ce07d84d275e997e1a25a"
+  dependencies:
+    memory-fs "~0.4.1"
+    mime "^1.4.1"
+    path-is-absolute "^1.0.0"
+    range-parser "^1.0.3"
+    time-stamp "^2.0.0"
+
+webpack-dev-server@2.9.4:
+  version "2.9.4"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.9.4.tgz#7883e61759c6a4b33e9b19ec4037bd4ab61428d1"
+  dependencies:
+    ansi-html "0.0.7"
+    array-includes "^3.0.3"
+    bonjour "^3.5.0"
+    chokidar "^1.6.0"
+    compression "^1.5.2"
+    connect-history-api-fallback "^1.3.0"
+    debug "^3.1.0"
+    del "^3.0.0"
+    express "^4.13.3"
+    html-entities "^1.2.0"
+    http-proxy-middleware "~0.17.4"
+    import-local "^0.1.1"
+    internal-ip "1.2.0"
+    ip "^1.1.5"
+    killable "^1.0.0"
+    loglevel "^1.4.1"
+    opn "^5.1.0"
+    portfinder "^1.0.9"
+    selfsigned "^1.9.1"
+    serve-index "^1.7.2"
+    sockjs "0.3.18"
+    sockjs-client "1.1.4"
+    spdy "^3.4.1"
+    strip-ansi "^3.0.1"
+    supports-color "^4.2.1"
+    webpack-dev-middleware "^1.11.0"
+    yargs "^6.6.0"
+
 webpack-sources@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.0.1.tgz#c7356436a4d13123be2e2426a05d1dad9cbe65cf"
@@ -4894,6 +5631,17 @@ webpack@3.5.6:
     webpack-sources "^1.0.1"
     yargs "^8.0.2"
 
+websocket-driver@>=0.5.1:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/websocket-driver/-/websocket-driver-0.7.0.tgz#0caf9d2d755d93aee049d4bdd0d3fe2cca2a24eb"
+  dependencies:
+    http-parser-js ">=0.4.0"
+    websocket-extensions ">=0.1.1"
+
+websocket-extensions@>=0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
+
 whatwg-encoding@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/whatwg-encoding/-/whatwg-encoding-1.0.1.tgz#3c6c451a198ee7aec55b1ec61d0920c67801a5f4"
@@ -4907,17 +5655,15 @@ whatwg-url@^4.3.0:
     tr46 "~0.0.3"
     webidl-conversions "^3.0.0"
 
+which-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
+
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
-which@^1.2.12, which@^1.2.9:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
-  dependencies:
-    isexe "^2.0.0"
-
-which@~1.2.10:
+which@^1.2.12, which@^1.2.9, which@~1.2.10:
   version "1.2.14"
   resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
   dependencies:
@@ -5036,12 +5782,36 @@ yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
+yargs-parser@^4.2.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-4.2.1.tgz#29cceac0dc4f03c6c87b4a9f217dd18c9f74871c"
+  dependencies:
+    camelcase "^3.0.0"
+
 yargs-parser@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-7.0.0.tgz#8d0ac42f16ea55debd332caf4c4038b3e3f5dfd9"
   dependencies:
     camelcase "^4.1.0"
 
+yargs@^6.6.0:
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
+  dependencies:
+    camelcase "^3.0.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^1.4.0"
+    read-pkg-up "^1.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^1.0.2"
+    which-module "^1.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^4.2.0"
+
 yargs@^8.0.2:
   version "8.0.2"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"