diff --git a/.gitignore b/.gitignore
index 8abcf6a..5780f71 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 dist/
 node_modules
 npm-debug.log
+test/output
diff --git a/README.md b/README.md
index 7c21b6b..1e31fa0 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Hexagonal binning is useful for aggregating data into a coarser representation f
 If you use NPM, `npm install d3-hexbin`. Otherwise, download the [latest release](https://github.com/d3/d3-hexbin/releases/latest). You can also load directly from [d3js.org](https://d3js.org), either as a [standalone library](https://d3js.org/d3-hexbin.v0.2.min.js). AMD, CommonJS, and vanilla environments are supported. In vanilla, a `d3_hexbin` global is exported:
 
 ```html
-<script src="https://d3js.org/d3-hexbin.v0.2.min.js"></script>
+<script src="https://d3js.org/d3-hexbin.v1.min.js"></script>
 <script>
 
 const hexbin = d3.hexbin();
@@ -46,7 +46,7 @@ You could display a hexagon for each non-empty bin as follows:
 svg.selectAll("path")
   .data(hexbin(points))
   .enter().append("path")
-    .attr("d", d => `M${d.x},${d.y}${hexbin.hexagon()}`);
+    .attr("d", (d) => hexbin.hexagon([d.x, d.y]));
 ```
 
 Alternatively, using a transform:
@@ -61,9 +61,25 @@ svg.selectAll("path")
 
 This method ignores the hexbin’s [extent](#hexbin_extent); it may return bins outside the extent if necessary to contain the specified points.
 
-<a name="hexbin_hexagon" href="#hexbin_hexagon">#</a> <i>hexbin</i>.<b>hexagon</b>([<i>radius</i>])
+<a name="hexbin_add" href="#hexbin_add">#</a> <i>hexbin</i>.<b>add</b>(<i>point</i>)
 
-Returns the SVG path string for the hexagon centered at the origin ⟨0,0⟩. The path string is defined with relative coordinates such that you can easily translate the hexagon to the desired position. If *radius* is not specified, the hexbin’s [current radius](#hexbin_radius) is used. If *radius* is specified, a hexagon with the specified radius is returned; this is useful for area-encoded bivariate hexbins.
+Adds the *point* and returns the hexbin generator.
+
+<a name="hexbin_addAll" href="#hexbin_addAll">#</a> <i>hexbin</i>.<b>addAll</b>(<i>points</i>)
+
+Adds the *points* and returns the hexbin generator.
+
+<a name="hexbin_remove" href="#hexbin_remove">#</a> <i>hexbin</i>.<b>remove</b>(<i>point</i>)
+
+Removes the *point*, and returns the hexbin generator. Empty bins are pruned.
+
+<a name="hexbin_removeAll" href="#hexbin_removeAll">#</a> <i>hexbin</i>.<b>removeAll</b>(<i>points</i>)
+
+Removes all the *points* and returns the hexbin generator. Empty bins are pruned.
+
+<a name="hexbin_hexagon" href="#hexbin_hexagon">#</a> <i>hexbin</i>.<b>hexagon</b>([<i>radius</i>][, <i>translate</i>])
+
+Returns the SVG path string for the hexagon centered at the origin ⟨0,0⟩. If *translate* is specified, the path is translated. Otherwise, the path string is defined with relative coordinates. If *radius* is not specified, the hexbin’s [current radius](#hexbin_radius) is used. If *radius* is specified, a hexagon with the specified radius is returned; this is useful for area-encoded bivariate hexbins.
 
 <a name="hexbin_centers" href="#hexbin_centers">#</a> <i>hexbin</i>.<b>centers</b>()
 
@@ -97,9 +113,17 @@ function y(d) {
 
 The *y*-coordinate accessor is used by [*hexbin*](#_hexbin) to compute the *y*-coordinate of each point. The default value assumes each point is specified as a two-element array of numbers [*x*, *y*].
 
+<a name="hexbin_angle" href="#hexbin_angle">#</a> <i>hexbin</i>.<b>angle</b>([<i>angle</i>])
+
+If *angle* is specified, sets the angle of the hexagonal grid to the specified number, in degrees. If *angle* is not specified, returns the current angle, which defaults to 0 (pointy-topped hexagons).
+
+<a name="hexbin_translate" href="#hexbin_translate">#</a> <i>hexbin</i>.<b>translate</b>([<i>translate</i>])
+
+If *translate* is specified, translates the hexagonal grid to the specified value [tx, ty]. If *translate* is not specified, returns the current translate, which defaults to [0, 0].
+
 <a name="hexbin_radius" href="#hexbin_radius">#</a> <i>hexbin</i>.<b>radius</b>([<i>radius</i>])
 
-If *radius* is specified, sets the radius of the hexagon to the specified number. If *radius* is not specified, returns the current radius, which defaults to 1. The hexagons are pointy-topped (rather than flat-topped); the width of each hexagon is *radius* × 2 × sin(π / 3) and the height of each hexagon is *radius* × 3 / 2.
+If *radius* is specified, sets the radius of the hexagon to the specified number. If *radius* is not specified, returns the current radius, which defaults to 1. The width of each hexagon is *radius* × 2 × sin(π / 3) and the height of each hexagon is *radius* × 3 / 2.
 
 <a name="hexbin_extent" href="#hexbin_extent">#</a> hexbin.<b>extent</b>([<i>extent</i>])
 
@@ -113,3 +137,17 @@ If *size* is specified, sets the [extent](#hexbin_extent) to the specified bound
 hexbin.extent([[0, 0], [width, height]]);
 hexbin.size([width, height]);
 ```
+
+<a href="#hexbin_context" name="hexbin_context">#</a> <i>hexbin</i>.<b>context</b>([<i>context</i>]) [<>](https://github.com/d3/d3-hexbin/blob/master/src/hexbin.js "Source")
+
+If *context* is specified, sets the current render context and returns the hexbin. If the *context* is null, hexbin.mesh and hexbin.hexagon will return SVG path strings; if the context is non-null, hexbin.mesh and hexbin.hexagon will instead call methods on the specified context to render geometry. The context must implement the following subset of the [CanvasRenderingContext2D API](https://www.w3.org/TR/2dcontext/#canvasrenderingcontext2d):
+
+* *context*.moveTo(*x*, *y*)
+* *context*.lineTo(*x*, *y*)
+
+If a *context* is not specified, returns the current render context which defaults to null.
+
+
+<a href="#hexbin_bin" name="hexbin_bin">#</a> <i>hexbin</i>.<b>bin</b>(<i>point</i>) [<>](https://github.com/d3/d3-hexbin/blob/master/src/hexbin.js "Source")
+
+Returns the bin that would contain the point if we added it. If there is no such bin, returns an empty array with properties *x* and *y*. That bin is not guaranteed to keep in sync with data additions and removals, or changes of parameters such as radius, angle and translate.
diff --git a/img/hexagons.png b/img/hexagons.png
new file mode 100644
index 0000000..f9ee416
Binary files /dev/null and b/img/hexagons.png differ
diff --git a/package.json b/package.json
index 3447f20..4903863 100644
--- a/package.json
+++ b/package.json
@@ -30,11 +30,12 @@
   "scripts": {
     "pretest": "rollup -c",
     "test": "tape 'test/**/*-test.js' && eslint src test",
-    "prepublishOnly": "rm -rf dist && yarn test",
+    "prepublishOnly": "rm -rf dist && yarn test && mkdir -p test/output && test/compare-images",
     "postpublish": "git push && git push --tags && cd ../d3.github.com && git pull && cp ../${npm_package_name}/dist/${npm_package_name}.js ${npm_package_name}.v${npm_package_version%%.*}.js && cp ../${npm_package_name}/dist/${npm_package_name}.min.js ${npm_package_name}.v${npm_package_version%%.*}.min.js && git add ${npm_package_name}.v${npm_package_version%%.*}.js ${npm_package_name}.v${npm_package_version%%.*}.min.js && git commit -m \"${npm_package_name} ${npm_package_version}\" && git push && cd - && zip -j dist/${npm_package_name}.zip -- LICENSE README.md dist/${npm_package_name}.js dist/${npm_package_name}.min.js"
   },
   "sideEffects": false,
   "devDependencies": {
+    "canvas": "1 - 2",
     "eslint": "6",
     "rollup": "1",
     "rollup-plugin-terser": "5",
diff --git a/src/hexbin.js b/src/hexbin.js
index c898b7f..c007261 100644
--- a/src/hexbin.js
+++ b/src/hexbin.js
@@ -18,74 +18,180 @@ export default function() {
       y = pointY,
       r,
       dx,
-      dy;
+      dy,
+      tx = 0,
+      ty = 0,
+      angle = 0,
+      ca = 1,
+      sa = 0,
+      context = null,
+      binsById = {},
+      bins = [];
+
+  // from pixels to grid
+  function transform(x, y) {
+    x -= tx;
+    y -= ty;
+    if (ca === 1) return [x, y];
+    return [x * ca - y * sa, x * sa + y * ca];
+  }
+
+  // from grid to pixels
+  function untransform(x, y) {
+    if (ca === 1) return [x + tx, y + ty];
+    return [x * ca + y * sa + tx, - x * sa + y * ca + ty];
+  }
 
   function hexbin(points) {
-    var binsById = {}, bins = [], i, n = points.length;
+    if (points) {
+      binsById = {};
+      bins.splice(0, bins.length);
+      addAll(points);
+    }
+    return bins;
+  }
+
+  function getBin(px, py) {
+    var u = transform(px, py);
+    px = u[0];
+    py = u[1];
+    var pj = Math.round(py = py / dy),
+        pi = Math.round(px = px / dx - (pj & 1) / 2),
+        py1 = py - pj;
+
+    if (Math.abs(py1) * 3 > 1) {
+      var px1 = px - pi,
+          pi2 = pi + (px < pi ? -1 : 1) / 2,
+          pj2 = pj + (py < pj ? -1 : 1),
+          px2 = px - pi2,
+          py2 = py - pj2;
+      if (px1 * px1 + py1 * py1 > px2 * px2 + py2 * py2) pi = pi2 + (pj & 1 ? 1 : -1) / 2, pj = pj2;
+    }
+    return [pi, pj];
+  }
+
+  function addOne(point, px, py) {
+    var b = getBin(px, py), pi = b[0], pj = b[1], id = b[0] + "-" + b[1], bin = binsById[id];
+    if (bin) bin.push(point);
+    else {
+      bins.push(bin = binsById[id] = [point]);
+      var u = untransform((pi + (pj & 1) / 2) * dx, pj * dy);
+      bin.x = u[0];
+      bin.y = u[1];
+    }
+  }
+
+  function addAll(points) {
+    points = Array.from(points);
+    var i, point, px, py, n = points.length;
 
     for (i = 0; i < n; ++i) {
       if (isNaN(px = +x.call(null, point = points[i], i, points))
           || isNaN(py = +y.call(null, point, i, points))) continue;
+      addOne(point, px, py);
+    }
+  }
 
-      var point,
-          px,
-          py,
-          pj = Math.round(py = py / dy),
-          pi = Math.round(px = px / dx - (pj & 1) / 2),
-          py1 = py - pj;
-
-      if (Math.abs(py1) * 3 > 1) {
-        var px1 = px - pi,
-            pi2 = pi + (px < pi ? -1 : 1) / 2,
-            pj2 = pj + (py < pj ? -1 : 1),
-            px2 = px - pi2,
-            py2 = py - pj2;
-        if (px1 * px1 + py1 * py1 > px2 * px2 + py2 * py2) pi = pi2 + (pj & 1 ? 1 : -1) / 2, pj = pj2;
-      }
+  function removeFromBin(point, bin) {
+    var i = bin.indexOf(point);
+    if (i > -1) {
+      bin.splice(i, 1);
+    }
+  }
 
-      var id = pi + "-" + pj, bin = binsById[id];
-      if (bin) bin.push(point);
-      else {
-        bins.push(bin = binsById[id] = [point]);
-        bin.x = (pi + (pj & 1) / 2) * dx;
-        bin.y = pj * dy;
+  function remove(point) {
+    var px, py;
+    if (isNaN(px = +x.call(null, point))
+        || isNaN(py = +y.call(null, point))) return;
+    var b = getBin(px, py), id = b[0] + "-" + b[1], bin = binsById[id];
+    if (bin) {
+      removeFromBin(point, bin);
+      if (bin.length == 0) {
+        var i = bins.indexOf(bin);
+        if (i > -1) {
+          bins.splice(i, 1);
+          delete binsById[id];
+        }
       }
     }
-
-    return bins;
   }
 
   function hexagon(radius) {
-    var x0 = 0, y0 = 0;
-    return angles.map(function(angle) {
-      var x1 = Math.sin(angle) * radius,
-          y1 = -Math.cos(angle) * radius,
-          dx = x1 - x0,
-          dy = y1 - y0;
-      x0 = x1, y0 = y1;
-      return [dx, dy];
+    return angles.map(function(a) {
+      a -= angle / 180 * Math.PI;
+      return [ Math.sin(a) * radius, -Math.cos(a) * radius ];
     });
   }
+  
+  function vectors(points) {
+    for (var i = points.length - 1; i > 0; i--) {
+      points[i][0] -= points[i-1][0];
+      points[i][1] -= points[i-1][1];
+    }
+  }
 
-  hexbin.hexagon = function(radius) {
-    return "m" + hexagon(radius == null ? r : +radius).join("l") + "z";
+  hexbin.hexagon = function(radius, translate) {
+    if (typeof radius == "object") {
+      var tmp = translate;
+      translate = radius;
+      radius = tmp;
+    }
+    var points = hexagon(radius == null ? r : +radius);
+    if (!context) {
+      vectors(points);
+      return (translate ? "M" + translate : "") + "m" + points.join("l") + "z";
+    }
+    if (translate == null) translate = [0, 0];
+    context.moveTo(translate[0] + points[0][0], translate[1] + points[0][1]);
+    for (var i = 1; i < 6; i++)
+      context.lineTo(translate[0] + points[i][0], translate[1] + points[i][1]);
   };
 
   hexbin.centers = function() {
-    var centers = [],
-        j = Math.round(y0 / dy),
-        i = Math.round(x0 / dx);
-    for (var y = j * dy; y < y1 + r; y += dy, ++j) {
-      for (var x = i * dx + (j & 1) * dx / 2; x < x1 + dx / 2; x += dx) {
-        centers.push([x, y]);
+    var u00 = transform(x0, y0), tx00 = u00[0], ty00 = u00[1],
+        u10 = transform(x1, y0), tx10 = u10[0], ty10 = u10[1],
+        u01 = transform(x0, y1), tx01 = u01[0], ty01 = u01[1],
+        u11 = transform(x1, y1), tx11 = u11[0], ty11 = u11[1],
+        tx0 = Math.min(tx00, tx01, tx10, tx11),
+        ty0 = Math.min(ty00, ty01, ty10, ty11),
+        tx1 = Math.max(tx00, tx01, tx10, tx11),
+        ty1 = Math.max(ty00, ty01, ty10, ty11),
+        centers = [],
+        j = Math.floor(ty0 / dy),
+        i = Math.floor(tx0 / dx);
+
+    for (var y = j * dy; y < ty1 + r; y += dy, ++j) {
+      for (var x = i * dx + (j & 1) * dx / 2; x < tx1 + dx / 2; x += dx) {
+        var u = untransform(x, y), ux = u[0], uy = u[1];
+        if (ux >= x0 - dx && ux <= x1 + dx && uy >= y0 - dy && uy <= y1 + dy)
+          centers.push([ux, uy]);
       }
     }
     return centers;
   };
 
   hexbin.mesh = function() {
-    var fragment = hexagon(r).slice(0, 4).join("l");
-    return hexbin.centers().map(function(p) { return "M" + p + "m" + fragment; }).join("");
+    var points = hexagon(r).slice(0, 4),
+      centers = hexbin.centers();
+    if (!context) {
+      vectors(points);
+      var fragment = points.join("l");
+      return centers.map(function(p) { return "M" + p + "m" + fragment; }).join("");
+    }
+    for (var i = 0, l = centers.length; i < l; i++) {
+      var x0 = centers[i][0], y0 = centers[i][1];
+      context.moveTo(x0 + points[0][0], y0 + points[0][1]);
+      for (var j = 1; j < 4; j++)
+        context.lineTo(x0 + points[j][0], y0 + points[j][1]);
+    }
+  };
+
+  hexbin.angle = function(_) {
+    return arguments.length ? (angle = _, ca = Math.cos(angle * Math.PI/180), sa =  Math.sin(angle * Math.PI/180), hexbin) : angle;
+  };
+
+  hexbin.translate = function(_) {
+    return arguments.length ? (tx = _[0], ty = _[1], hexbin) : [tx, ty];
   };
 
   hexbin.x = function(_) {
@@ -108,5 +214,46 @@ export default function() {
     return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], hexbin) : [[x0, y0], [x1, y1]];
   };
 
+  hexbin.context = function(_) {
+    return arguments.length ? (context = _, hexbin) : context;
+  }
+
+  hexbin.bin = function(point) {
+    var px, py;
+    if (isNaN(px = +x.call(null, point))
+        || isNaN(py = +y.call(null, point))) return;
+    var b = getBin(px, py), pi = b[0], pj = b[1], id = b[0] + "-" + b[1], bin = binsById[id];
+    if (!bin) {
+      bin = [];
+      var u = untransform((pi + (pj & 1) / 2) * dx, pj * dy);
+      bin.x = u[0];
+      bin.y = u[1];
+    }
+    return bin;
+  }
+
+  hexbin.add = function(point) {
+    var px, py;
+    if (!isNaN(px = +x.call(null, point, 0, [point]))
+    && !isNaN(py = +y.call(null, point, 0, [point])))
+      addOne(point, px, py);
+    return hexbin;
+  }
+
+  hexbin.addAll = function(points) {
+    Array.from(points).forEach(hexbin.add);
+    return hexbin;
+  }
+
+  hexbin.remove = function(point) {
+    remove(point);
+    return hexbin;
+  }
+
+  hexbin.removeAll = function(points) {
+    Array.from(points).forEach(remove);
+    return hexbin;
+  }
+
   return hexbin.radius(1);
 }
diff --git a/test/compare-images b/test/compare-images
new file mode 100755
index 0000000..fd7628a
--- /dev/null
+++ b/test/compare-images
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+for i in hexagons; do
+  test/render-canvas $i > test/output/$i.png \
+      && [ "$(gm compare -metric rmse img/$i.png test/output/$i.png 2>&1)" = "Image Difference (RootMeanSquaredError):
+           Normalized    Absolute
+          ============  ==========
+     Red: 0.0000000000        0.0
+   Green: 0.0000000000        0.0
+    Blue: 0.0000000000        0.0
+   Total: 0.0000000000        0.0" ] \
+      && echo -e "\x1B[1;32m✓ $2\x1B[0mtest/output/$i.png" \
+      && rm -f -- test/output/$i-difference.png \
+      || (gm compare -type TrueColor -highlight-style assign -highlight-color red -file test/output/$i-difference.png test/output/$i.png img/$i.png; \
+          echo -e "\x1B[1;31m✗ $2\x1B[0mtest/output/$i.png\n  test/output/$i-difference.png")
+done
diff --git a/test/hexbin-test.js b/test/hexbin-test.js
index 4626e8a..d3bd170 100644
--- a/test/hexbin-test.js
+++ b/test/hexbin-test.js
@@ -34,6 +34,37 @@ tape("hexbin(points) bins the specified points into hexagonal bins", function(te
   test.end();
 });
 
+tape("hexbin(points) accepts iterators", function(test) {
+  var bin = d3.hexbin(),
+    a = [0, 0], b = [0, 1],
+    bins = bin(new Set([
+    a, b, [0, 2],
+    [1, 0], [1, 1], [1, 2],
+    [2, 0], [2, 1], [2, 2]
+  ]));
+  test.deepEqual(noxy(bins), [
+    [[0, 0]],
+    [[0, 1], [0, 2], [1, 1], [1, 2]],
+    [[1, 0], [2, 0]],
+    [[2, 1], [2, 2]]
+  ]);
+  bin.removeAll(new Set([a, b]));
+  test.deepEqual(noxy(bins), [
+    [[0, 2], [1, 1], [1, 2]],
+    [[1, 0], [2, 0]],
+    [[2, 1], [2, 2]]
+  ]);
+  bin.addAll(new Set([a, b]));
+  test.deepEqual(noxy(bins), [
+    [[0, 2], [1, 1], [1, 2], [0, 1]],
+    [[1, 0], [2, 0]],
+    [[2, 1], [2, 2]],
+    [[0, 0]],
+  ]);
+  
+  test.end();
+});
+
 tape("hexbin(points) observes the current x- and y-accessors", function(test) {
   var x = function(d) { return d.x; },
       y = function(d) { return d.y; },
@@ -153,20 +184,7 @@ tape("hexbin.centers() observes the current bin radius", function(test) {
 });
 
 tape("hexbin.centers() observes the current extent", function(test) {
-  test.deepEqual(d3.hexbin().radius(0.5).extent([[-1.1, -1.1], [1.1, 1.1]]).centers(), [
-    [-0.4330127018922193, -0.75],
-    [0.4330127018922193, -0.75],
-    [1.299038105676658, -0.75],
-    [-0.8660254037844386, 0],
-    [0, 0],
-    [0.8660254037844386, 0],
-    [-0.4330127018922193, 0.75],
-    [0.4330127018922193, 0.75],
-    [1.299038105676658, 0.75],
-    [-0.8660254037844386, 1.5],
-    [0, 1.5],
-    [0.8660254037844386, 1.5]
-  ]);
+  test.deepEqual(d3.hexbin().radius(0.5).extent([[-1.1, -1.1], [1.1, 1.1]]).centers(), [ [ -1.7320508075688772, -1.5 ], [ -0.8660254037844386, -1.5 ], [ 0, -1.5 ], [ 0.8660254037844386, -1.5 ], [ -1.299038105676658, -0.75 ], [ -0.4330127018922194, -0.75 ], [ 0.4330127018922192, -0.75 ], [ 1.2990381056766578, -0.75 ], [ -1.7320508075688772, 0 ], [ -0.8660254037844386, 0 ], [ 0, 0 ], [ 0.8660254037844386, 0 ], [ -1.299038105676658, 0.75 ], [ -0.4330127018922194, 0.75 ], [ 0.4330127018922192, 0.75 ], [ 1.2990381056766578, 0.75 ], [ -1.7320508075688772, 1.5 ], [ -0.8660254037844386, 1.5 ], [ 0, 1.5 ], [ 0.8660254037844386, 1.5 ] ]);
   test.end();
 });
 
@@ -181,7 +199,66 @@ tape("hexbin.mesh() observes the bin radius", function(test) {
 });
 
 tape("hexbin.mesh() observes the extent", function(test) {
-  test.pathEqual(d3.hexbin().radius(0.5).extent([[-1.1, -1.1], [1.1, 1.1]]).mesh(), "M-0.433013,-0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.433013,-0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M1.299038,-0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-0.866025,0m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0,0m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.866025,0m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-0.433013,0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.433013,0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M1.299038,0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-0.866025,1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0,1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.866025,1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000");
+  test.pathEqual(d3.hexbin().radius(0.5).extent([[-1.1, -1.1], [1.1, 1.1]]).mesh(), "M-1.732051,-1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-0.866025,-1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0,-1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.866025,-1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-1.299038,-0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-0.433013,-0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.433013,-0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M1.299038,-0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-1.732051,0m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-0.866025,0m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0,0m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.866025,0m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-1.299038,0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-0.433013,0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.433013,0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M1.299038,0.750000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-1.732051,1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M-0.866025,1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0,1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000M0.866025,1.500000m0,-0.500000l0.433013,0.250000l0,0.500000l-0.433013,0.250000");
+  test.end();
+});
+
+tape("hexbin.add() adds a point", function(test) {
+  var bins = d3.hexbin().add([0,0]).addAll([[0.1,0.1], [10,10]]).add([2,2])(),
+    expected = [[[0,0],[0.1,0.1]],[[10,10]],[[2,2]]];
+  test.equal(JSON.stringify(bins), JSON.stringify(expected));
+  test.end();
+});
+
+tape("hexbin.remove() removes a point", function(test) {
+  var points = [[0,0], [1,1], [2,2]];
+  var hexbin = d3.hexbin(),
+    expected = [ [[0,0]], [[2,2]] ];
+  hexbin(points);
+  hexbin.remove(points[1]);
+  test.equal(JSON.stringify(hexbin()), JSON.stringify(expected));
+  test.end();
+});
+
+tape("hexbin.remove() doesn't remove a point that isn't there", function(test) {
+  var points = [[0,0], [1,1], [2,2]];
+  var hexbin = d3.hexbin(),
+    expected = [ [[0,0]], [[1,1]] ];
+  hexbin(points.slice(0,2));
+  hexbin.remove(points[2]);
+  test.equal(JSON.stringify(hexbin()), JSON.stringify(expected));
+  test.end();
+});
+
+tape("hexbin.removeAll() removes several points (method 1)", function(test) {
+  var points = [[0,0], [1,1], [2,2]];
+  var hexbin = d3.hexbin(),
+    expected = [[[2,2]]];
+  hexbin(points);
+  hexbin.removeAll(points.slice(0,2));
+  test.equal(JSON.stringify(hexbin()), JSON.stringify(expected));
+  test.end();
+});
+
+tape("hexbin.removeAll() removes several points (method 2)", function(test) {
+  var points = [[0,0], [1,1], [2,2]];
+  var hexbin = d3.hexbin().addAll(points).removeAll(points.slice(0,2)),
+    expected = [[[2,2]]];
+  test.equal(JSON.stringify(hexbin()), JSON.stringify(expected));
+  hexbin = d3.hexbin();
+  hexbin(points)
+  hexbin.removeAll(points.slice(0,2));
+  test.equal(JSON.stringify(hexbin()), JSON.stringify(expected));
+  test.end();
+});
+
+tape("hexbin.angle(…) returns the expected centers", function(test) {
+  test.deepEqual(d3.hexbin().radius(0.5).extent([[-1.1, -1.1], [1.1, 1.1]]).angle(90).centers().map(function(c) {
+    return c.map(function(p) { return +p.toFixed(4); })
+  }), [ [ -1.5, 1.7321 ], [ -1.5, 0.866 ], [ -1.5, -0 ], [ -1.5, -0.866 ], [ -0.75, 1.299 ], [ -0.75, 0.433 ], [ -0.75, -0.433 ], [ -0.75, -1.299 ], [ -0, 1.7321 ], [ -0, 0.866 ], [ 0, 0 ], [ 0, -0.866 ], [ 0.75, 1.299 ], [ 0.75, 0.433 ], [ 0.75, -0.433 ], [ 0.75, -1.299 ], [ 1.5, 1.7321 ], [ 1.5, 0.866 ], [ 1.5, 0 ], [ 1.5, -0.866 ] ]);
+  test.deepEqual(d3.hexbin().radius(0.5).extent([[-1.1, -1.1], [1.1, 1.1]]).angle(45).centers().map(function(c) {
+    return c.map(function(p) { return +p.toFixed(4); })
+  }), [ [ -1.8972, -1.2848 ], [ -1.673, -0.4483 ], [ -1.0607, -1.0607 ], [ -0.4483, -1.673 ], [ -1.4489, 0.3882 ], [ -0.8365, -0.2241 ], [ -0.2241, -0.8365 ], [ 0.3882, -1.4489 ], [ -1.2247, 1.2247 ], [ -0.6124, 0.6124 ], [ 0, 0 ], [ 0.6124, -0.6124 ], [ 1.2247, -1.2247 ], [ -0.3882, 1.4489 ], [ 0.2241, 0.8365 ], [ 0.8365, 0.2241 ], [ 1.4489, -0.3882 ], [ 0.4483, 1.673 ], [ 1.0607, 1.0607 ], [ 1.673, 0.4483 ] ]);
   test.end();
 });
 
diff --git a/test/render-canvas b/test/render-canvas
new file mode 100755
index 0000000..b8e2d7c
--- /dev/null
+++ b/test/render-canvas
@@ -0,0 +1,42 @@
+#!/usr/bin/env node
+
+var width = 960,
+    height = 500,
+    Canvas = require("canvas"),
+    d3 = require("../");
+
+// canvas@2 compatibility check
+if (Canvas.Canvas) Canvas = Canvas.Canvas;
+
+var canvas = new Canvas(width, height),
+    context = canvas.getContext("2d");
+
+var hexbin = d3.hexbin()
+               .radius(15)
+               .context(context)
+               .size([width, height]);
+
+const data = Array.from({length: 1000}, (_,i) => [
+  width * (i * 96.367866757 % 1),
+  Math.floor(i * 96.367866757) % height
+]);
+
+const bins = hexbin(data);
+
+
+context.fillStyle = "#fff";
+context.fillRect(0, 0, width, height);
+
+context.beginPath();
+hexbin.mesh();
+context.stroke();
+
+context.fillStyle = "#ddd";
+context.beginPath();
+for (var i = 0; i < bins.length; i++) {
+  var bin = bins[i];
+  hexbin.hexagon(6 * Math.sqrt(bin.length), [bin.x, bin.y]);
+}
+context.fill();
+  
+canvas.pngStream().pipe(process.stdout);
diff --git a/yarn.lock b/yarn.lock
index 9990f59..7aceab4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -23,20 +23,25 @@
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
   integrity sha512-EYNwp3bU+98cpU4lAWYYL7Zz+2gryWH1qbdDTidVd6hkiR6weksdbMadyXKXNPEkQFhXM+hVO9ZygomHXp+AIw==
 
-"@types/node@^12.6.2":
-  version "12.6.8"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.6.8.tgz#e469b4bf9d1c9832aee4907ba8a051494357c12c"
-  integrity sha512-aX+gFgA5GHcDi89KG5keey2zf0WfZk/HAQotEamsK2kbey+8yGKcson0hbK8E+v0NArlCJQCqMP161YhV6ZXLg==
+"@types/node@^12.7.2":
+  version "12.7.3"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.3.tgz#27b3f40addaf2f580459fdb405222685542f907a"
+  integrity sha512-3SiLAIBkDWDg6vFo0+5YJyHPWU9uwu40Qe+v+0MH8wRKYBimHvvAOyk3EzMrD/TrIlLYfXrqDqrg913PynrMJQ==
 
-acorn-jsx@^5.0.0:
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.0.1.tgz#32a064fd925429216a09b141102bfdd185fae40e"
-  integrity sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg==
+abbrev@1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
+  integrity sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==
+
+acorn-jsx@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-5.0.2.tgz#84b68ea44b373c4f8686023a551f61a21b7c4a4f"
+  integrity sha512-tiNTrP1MP0QrChmD2DdupCr6HWSFeKVw5d/dHTu4Y7rkAkRhU/Dt7dphAfIUyxtHpl/eBVip5uTNSpQJHylpAw==
 
-acorn@^6.0.7, acorn@^6.2.0:
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.2.1.tgz#3ed8422d6dec09e6121cc7a843ca86a330a86b51"
-  integrity sha512-JD0xT5FCRDNyjDda3Lrg/IxFscp9q4tiYtxE1/nOzlKCk7hIRuYjhq1kCNkbPjMRMZuFq20HNQn1I9k8Oj0E+Q==
+acorn@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.0.0.tgz#26b8d1cd9a9b700350b71c0905546f64d1284e7a"
+  integrity sha512-PaF/MduxijYYt7unVGRuds1vBC9bFxbNf+VWqhOClfdgy7RlVkQqt610ig1/yxTgsDIfW1cWDel5EBbOy3jdtQ==
 
 ajv@^6.10.0, ajv@^6.10.2:
   version "6.10.2"
@@ -53,6 +58,11 @@ ansi-escapes@^3.2.0:
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.2.0.tgz#8780b98ff9dbf5638152d1f1fe5c1d7b4442976b"
   integrity sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==
 
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+  integrity sha1-w7M6te42DYbg5ijwRorn7yfWVN8=
+
 ansi-regex@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
@@ -70,6 +80,19 @@ ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   dependencies:
     color-convert "^1.9.0"
 
+aproba@^1.0.3:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
+  integrity sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==
+
+are-we-there-yet@~1.1.2:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz#4b35c2944f062a8bfcda66410760350fe9ddfc21"
+  integrity sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==
+  dependencies:
+    delegates "^1.0.0"
+    readable-stream "^2.0.6"
+
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.10.tgz#bcd6791ea5ae09725e17e5ad988134cd40b3d911"
@@ -105,6 +128,15 @@ callsites@^3.0.0:
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
   integrity sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==
 
+"canvas@1 - 2":
+  version "2.6.1"
+  resolved "https://registry.yarnpkg.com/canvas/-/canvas-2.6.1.tgz#0d087dd4d60f5a5a9efa202757270abea8bef89e"
+  integrity sha512-S98rKsPcuhfTcYbtF53UIJhcbgIAK533d1kJKMwsMwAIFgfd58MOyxRud3kktlzWiEkFliaJtvyZCBtud/XVEA==
+  dependencies:
+    nan "^2.14.0"
+    node-pre-gyp "^0.11.0"
+    simple-get "^3.0.3"
+
 chalk@^2.0.0, chalk@^2.1.0, chalk@^2.4.2:
   version "2.4.2"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
@@ -119,6 +151,11 @@ chardet@^0.7.0:
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
   integrity sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==
 
+chownr@^1.1.1:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
+  integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
+
 cli-cursor@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-2.1.0.tgz#b35dac376479facc3e94747d41d0d0f5238ffcb5"
@@ -131,6 +168,11 @@ cli-width@^2.0.0:
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
   integrity sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk=
 
+code-point-at@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
+  integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
+
 color-convert@^1.9.0:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
@@ -153,6 +195,11 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
+console-control-strings@^1.0.0, console-control-strings@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
+  integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
+
 core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -169,6 +216,13 @@ cross-spawn@^6.0.5:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
+debug@^3.2.6:
+  version "3.2.6"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-3.2.6.tgz#e83d17de16d8a7efb7717edbe5fb10135eee629b"
+  integrity sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==
+  dependencies:
+    ms "^2.1.1"
+
 debug@^4.0.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
@@ -176,17 +230,29 @@ debug@^4.0.1:
   dependencies:
     ms "^2.1.1"
 
+decompress-response@^4.2.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/decompress-response/-/decompress-response-4.2.1.tgz#414023cc7a302da25ce2ec82d0d5238ccafd8986"
+  integrity sha512-jOSne2qbyE+/r8G1VU+G/82LBs2Fs4LAsTiLSHOCOMZQl2OKZ6i8i4IyHemTe+/yIXOtTcRQMzPcgyhoFlqPkw==
+  dependencies:
+    mimic-response "^2.0.0"
+
 deep-equal@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
   integrity sha1-9dJgKStmDghO/0zbyfCK0yR0SLU=
 
+deep-extend@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
+  integrity sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==
+
 deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
   integrity sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=
 
-define-properties@^1.1.2:
+define-properties@^1.1.2, define-properties@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.3.tgz#cf88da6cbee26fe6db7094f61d870cbd84cee9f1"
   integrity sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==
@@ -198,6 +264,16 @@ defined@~1.0.0:
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
   integrity sha1-yY2bzvdWdBiOEQlpFRGZ45sfppM=
 
+delegates@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
+  integrity sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=
+
+detect-libc@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
+  integrity sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=
+
 doctrine@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-3.0.0.tgz#addebead72a6574db783639dc87a121773973961"
@@ -210,22 +286,27 @@ emoji-regex@^7.0.1:
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
   integrity sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==
 
-es-abstract@^1.5.0:
-  version "1.13.0"
-  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.13.0.tgz#ac86145fdd5099d8dd49558ccba2eaf9b88e24e9"
-  integrity sha512-vDZfg/ykNxQVwup/8E1BZhVzFfBxs9NqMzGcvIJrqg5k2/5Za2bWo40dK2J1pgLngZ7c+Shh8lwYtLGyrwPutg==
+es-abstract@^1.17.5, es-abstract@^1.5.0:
+  version "1.17.6"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.17.6.tgz#9142071707857b2cacc7b89ecb670316c3e2d52a"
+  integrity sha512-Fr89bON3WFyUi5EvAeI48QTWX0AyekGgLA8H+c+7fbfCkJwRWRMLd8CQedNEyJuoYYhmtEqY92pgte1FAhBlhw==
   dependencies:
-    es-to-primitive "^1.2.0"
+    es-to-primitive "^1.2.1"
     function-bind "^1.1.1"
     has "^1.0.3"
-    is-callable "^1.1.4"
-    is-regex "^1.0.4"
-    object-keys "^1.0.12"
-
-es-to-primitive@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.0.tgz#edf72478033456e8dda8ef09e00ad9650707f377"
-  integrity sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==
+    has-symbols "^1.0.1"
+    is-callable "^1.2.0"
+    is-regex "^1.1.0"
+    object-inspect "^1.7.0"
+    object-keys "^1.1.1"
+    object.assign "^4.1.0"
+    string.prototype.trimend "^1.0.1"
+    string.prototype.trimstart "^1.0.1"
+
+es-to-primitive@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
+  integrity sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==
   dependencies:
     is-callable "^1.1.4"
     is-date-object "^1.0.1"
@@ -244,22 +325,22 @@ eslint-scope@^5.0.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint-utils@^1.3.1:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-1.4.0.tgz#e2c3c8dba768425f897cf0f9e51fe2e241485d4c"
-  integrity sha512-7ehnzPaP5IIEh1r1tkjuIrxqhNkzUJa9z3R92tLJdZIVdWaczEhr3EbhGtsMrVxi1KeR8qA7Off6SWc5WNQqyQ==
+eslint-utils@^1.4.2:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-1.4.2.tgz#166a5180ef6ab7eb462f162fd0e6f2463d7309ab"
+  integrity sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==
   dependencies:
     eslint-visitor-keys "^1.0.0"
 
-eslint-visitor-keys@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
-  integrity sha512-qzm/XxIbxm/FHyH341ZrbnMUpe+5Bocte9xkmFMzPMjRaZMcXww+MpBptFvtU+79L362nqiLhekCxCxDPaUMBQ==
+eslint-visitor-keys@^1.0.0, eslint-visitor-keys@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz#e2a82cea84ff246ad6fb57f9bde5b46621459ec2"
+  integrity sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==
 
 eslint@6:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-6.1.0.tgz#06438a4a278b1d84fb107d24eaaa35471986e646"
-  integrity sha512-QhrbdRD7ofuV09IuE2ySWBz0FyXCq0rriLTZXZqaWSI79CVtHVRdkFuFTViiqzZhkCgfOh9USpriuGN2gIpZDQ==
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-6.3.0.tgz#1f1a902f67bfd4c354e7288b81e40654d927eb6a"
+  integrity sha512-ZvZTKaqDue+N8Y9g0kp6UPZtS4FSY3qARxBs7p4f0H0iof381XHduqVerFWtK8DPtKmemqbqCFENWSQgPR/Gow==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     ajv "^6.10.0"
@@ -268,9 +349,9 @@ eslint@6:
     debug "^4.0.1"
     doctrine "^3.0.0"
     eslint-scope "^5.0.0"
-    eslint-utils "^1.3.1"
-    eslint-visitor-keys "^1.0.0"
-    espree "^6.0.0"
+    eslint-utils "^1.4.2"
+    eslint-visitor-keys "^1.1.0"
+    espree "^6.1.1"
     esquery "^1.0.1"
     esutils "^2.0.2"
     file-entry-cache "^5.0.1"
@@ -299,14 +380,14 @@ eslint@6:
     text-table "^0.2.0"
     v8-compile-cache "^2.0.3"
 
-espree@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-6.0.0.tgz#716fc1f5a245ef5b9a7fdb1d7b0d3f02322e75f6"
-  integrity sha512-lJvCS6YbCn3ImT3yKkPe0+tJ+mH6ljhGNjHQH9mRtiO6gjhVAOhVXW1yjnwqGwTkK3bGbye+hb00nFNmu0l/1Q==
+espree@^6.1.1:
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-6.1.1.tgz#7f80e5f7257fc47db450022d723e356daeb1e5de"
+  integrity sha512-EYbr8XZUhWbYCqQRW0duU5LxzL5bETN6AjKBGy1302qqzPaCH10QbRg3Wvco79Z8x9WbiE8HYB4e75xl6qUYvQ==
   dependencies:
-    acorn "^6.0.7"
-    acorn-jsx "^5.0.0"
-    eslint-visitor-keys "^1.0.0"
+    acorn "^7.0.0"
+    acorn-jsx "^5.0.2"
+    eslint-visitor-keys "^1.1.0"
 
 esprima@^4.0.0:
   version "4.0.1"
@@ -328,9 +409,9 @@ esrecurse@^4.1.0:
     estraverse "^4.1.0"
 
 estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
-  integrity sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.3.0.tgz#398ad3f3c5a24948be7725e83d11a7de28cdbd1d"
+  integrity sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==
 
 estree-walker@^0.6.1:
   version "0.6.1"
@@ -338,9 +419,9 @@ estree-walker@^0.6.1:
   integrity sha512-SqmZANLWS0mnatqbSfRP5g8OXZC12Fgg1IwNtLsyHDzJizORW4khDfjPqJZsemPWBB2uqykUah5YpQ6epsqC/w==
 
 esutils@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
-  integrity sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
+  integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
 
 external-editor@^3.0.3:
   version "3.1.0"
@@ -401,6 +482,13 @@ for-each@~0.3.3:
   dependencies:
     is-callable "^1.1.3"
 
+fs-minipass@^1.2.5:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
+  integrity sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==
+  dependencies:
+    minipass "^2.6.0"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -416,6 +504,20 @@ functional-red-black-tree@^1.0.1:
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
   integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
 
+gauge@~2.7.3:
+  version "2.7.4"
+  resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
+  integrity sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=
+  dependencies:
+    aproba "^1.0.3"
+    console-control-strings "^1.0.0"
+    has-unicode "^2.0.0"
+    object-assign "^4.1.0"
+    signal-exit "^3.0.0"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wide-align "^1.1.0"
+
 glob-parent@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.0.0.tgz#1dc99f0f39b006d3e92c2c284068382f0c20e954"
@@ -450,20 +552,37 @@ has-symbols@^1.0.0:
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
   integrity sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=
 
-has@^1.0.1, has@^1.0.3, has@~1.0.3:
+has-symbols@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.1.tgz#9f5214758a44196c406d9bd76cebf81ec2dd31e8"
+  integrity sha512-PLcsoqu++dmEIZB+6totNFKq/7Do+Z0u4oT0zKOJNl3lYK6vGwwu2hjHs+68OEZbTjiUE9bgOABXbP/GvrS0Kg==
+
+has-unicode@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
+  integrity sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=
+
+has@^1.0.3, has@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/has/-/has-1.0.3.tgz#722d7cbfc1f6aa8241f16dd814e011e1f41e8796"
   integrity sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==
   dependencies:
     function-bind "^1.1.1"
 
-iconv-lite@^0.4.24:
+iconv-lite@^0.4.24, iconv-lite@^0.4.4:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
   integrity sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
+ignore-walk@^3.0.1:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.3.tgz#017e2447184bfeade7c238e4aefdd1e8f95b1e37"
+  integrity sha512-m7o6xuOaT1aqheYHKf8W6J5pYH85ZI9w077erOzLje3JsB1gkafkAhHHY19dqjulgIZHFm32Cp5uNZgcQqdJKw==
+  dependencies:
+    minimatch "^3.0.4"
+
 ignore@^4.0.6:
   version "4.0.6"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"
@@ -495,10 +614,15 @@ inherits@2, inherits@~2.0.3, inherits@~2.0.4:
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
   integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
 
+ini@~1.3.0:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
+  integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
+
 inquirer@^6.4.1:
-  version "6.5.0"
-  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.5.0.tgz#2303317efc9a4ea7ec2e2df6f86569b734accf42"
-  integrity sha512-scfHejeG/lVZSpvCXpsB4j/wQNPM5JC8kiElOI0OUTwmc1RTpXr4H32/HOlQHcZiYl2z2VElwuCVDRG8vFmbnA==
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.5.2.tgz#ad50942375d036d327ff528c08bd5fab089928ca"
+  integrity sha512-cntlB5ghuB0iuO65Ovoi8ogLHiWGs/5yNrtUcKjFhSSiVeAIVpD7koaSU9RM8mpXw5YDi9RdYXGQMaOURB7ycQ==
   dependencies:
     ansi-escapes "^3.2.0"
     chalk "^2.4.2"
@@ -519,6 +643,11 @@ is-callable@^1.1.3, is-callable@^1.1.4:
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.4.tgz#1e1adf219e1eeb684d691f9d6a05ff0d30a24d75"
   integrity sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==
 
+is-callable@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.0.tgz#83336560b54a38e35e3a2df7afd0454d691468bb"
+  integrity sha512-pyVD9AaGLxtg6srb2Ng6ynWJqkHU9bEM087AKck0w8QwDarTfNcpIYoU8x8Hv2Icm8u6kFJM18Dag8lyqGkviw==
+
 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"
@@ -529,6 +658,13 @@ is-extglob@^2.1.1:
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
   integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
 
+is-fullwidth-code-point@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz#ef9e31386f031a7f0d643af82fde50c457ef00cb"
+  integrity sha1-754xOG8DGn8NZDr4L95QxFfvAMs=
+  dependencies:
+    number-is-nan "^1.0.0"
+
 is-fullwidth-code-point@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
@@ -546,12 +682,12 @@ is-promise@^2.1.0:
   resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
   integrity sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=
 
-is-regex@^1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
-  integrity sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=
+is-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.0.tgz#ece38e389e490df0dc21caea2bd596f987f767ff"
+  integrity sha512-iI97M8KTWID2la5uYXlkbSDQIg4F6o1sYboZKKTDpnDQMLtUL86zxhgDet3Q2SriaYsyGqZ6Mn2SjbRKeLHdqw==
   dependencies:
-    has "^1.0.1"
+    has-symbols "^1.0.1"
 
 is-symbol@^1.0.2:
   version "1.0.2"
@@ -571,11 +707,11 @@ isexe@^2.0.0:
   integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
 
 jest-worker@^24.6.0:
-  version "24.6.0"
-  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-24.6.0.tgz#7f81ceae34b7cde0c9827a6980c35b7cdc0161b3"
-  integrity sha512-jDwgW5W9qGNvpI1tNnvajh0a5IE/PuGLFmHk6aR/BZFz8tSgGw17GsDPXAJ6p91IvYDjOw8GpFbvvZGAK+DPQQ==
+  version "24.9.0"
+  resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-24.9.0.tgz#5dbfdb5b2d322e98567898238a9697bcce67b3e5"
+  integrity sha512-51PE4haMSXcHohnSMdM42anbvZANYTqMrr52tVKPqqsPJMzoP6FYYDVqahX/HrAoKEKz3uUPzSvKs9A3qR4iVw==
   dependencies:
-    merge-stream "^1.0.1"
+    merge-stream "^2.0.0"
     supports-color "^6.1.0"
 
 js-tokens@^4.0.0:
@@ -614,18 +750,21 @@ lodash@^4.17.12, lodash@^4.17.14:
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
-merge-stream@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-1.0.1.tgz#4041202d508a342ba00174008df0c251b8c135e1"
-  integrity sha1-QEEgLVCKNCugAXQAjfDCUbjBNeE=
-  dependencies:
-    readable-stream "^2.0.1"
+merge-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/merge-stream/-/merge-stream-2.0.0.tgz#52823629a14dd00c9770fb6ad47dc6310f2c1f60"
+  integrity sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==
 
 mimic-fn@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/mimic-fn/-/mimic-fn-1.2.0.tgz#820c86a39334640e99516928bd03fca88057d022"
   integrity sha512-jf84uxzwiuiIVKiOLpfYk7N46TSy8ubTonmneY9vrpHNAnp0QBt2BxWV9dO3/j+BoVAb+a5G6YDPW3M5HOdMWQ==
 
+mimic-response@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/mimic-response/-/mimic-response-2.1.0.tgz#d13763d35f613d09ec37ebb30bac0469c0ee8f43"
+  integrity sha512-wXqjST+SLt7R009ySCglWBCFpjUygmCIfD790/kVbiGmUgfYGuB14PiTd5DwVxSV4NcYHjzMkoj5LjQZwTQLEA==
+
 minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
@@ -638,11 +777,38 @@ minimist@0.0.8:
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
+minimist@^1.2.0, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
 minimist@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
 
+minipass@^2.6.0, minipass@^2.8.6, minipass@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
+  integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
+  dependencies:
+    safe-buffer "^5.1.2"
+    yallist "^3.0.0"
+
+minizlib@^1.2.1:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
+  integrity sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==
+  dependencies:
+    minipass "^2.9.0"
+
+mkdirp@^0.5.0:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  dependencies:
+    minimist "^1.2.5"
+
 mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
@@ -660,27 +826,121 @@ mute-stream@0.0.7:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
   integrity sha1-MHXOk7whuPq0PhvE2n6BFe0ee6s=
 
+nan@^2.14.0:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.1.tgz#d7be34dfa3105b91494c3147089315eff8874b01"
+  integrity sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
   integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
 
+needle@^2.2.1:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/needle/-/needle-2.5.0.tgz#e6fc4b3cc6c25caed7554bd613a5cf0bac8c31c0"
+  integrity sha512-o/qITSDR0JCyCKEQ1/1bnUXMmznxabbwi/Y4WwJElf+evwJNFNwIDMCCt5IigFVxgeGBJESLohGtIS9gEzo1fA==
+  dependencies:
+    debug "^3.2.6"
+    iconv-lite "^0.4.4"
+    sax "^1.2.4"
+
 nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
   integrity sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==
 
+node-pre-gyp@^0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/node-pre-gyp/-/node-pre-gyp-0.11.0.tgz#db1f33215272f692cd38f03238e3e9b47c5dd054"
+  integrity sha512-TwWAOZb0j7e9eGaf9esRx3ZcLaE5tQ2lvYy1pb5IAaG1a2e2Kv5Lms1Y4hpj+ciXJRofIxxlt5haeQ/2ANeE0Q==
+  dependencies:
+    detect-libc "^1.0.2"
+    mkdirp "^0.5.1"
+    needle "^2.2.1"
+    nopt "^4.0.1"
+    npm-packlist "^1.1.6"
+    npmlog "^4.0.2"
+    rc "^1.2.7"
+    rimraf "^2.6.1"
+    semver "^5.3.0"
+    tar "^4"
+
+nopt@^4.0.1:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.3.tgz#a375cad9d02fd921278d954c2254d5aa57e15e48"
+  integrity sha512-CvaGwVMztSMJLOeXPrez7fyfObdZqNUK1cPAEzLHrTybIua9pMdmmPR5YwtfNftIOMv3DPUhFaxsZMNTQO20Kg==
+  dependencies:
+    abbrev "1"
+    osenv "^0.1.4"
+
+npm-bundled@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.1.1.tgz#1edd570865a94cdb1bc8220775e29466c9fb234b"
+  integrity sha512-gqkfgGePhTpAEgUsGEgcq1rqPXA+tv/aVBlgEzfXwA1yiUJF7xtEt3CtVwOjNYQOVknDk0F20w58Fnm3EtG0fA==
+  dependencies:
+    npm-normalize-package-bin "^1.0.1"
+
+npm-normalize-package-bin@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/npm-normalize-package-bin/-/npm-normalize-package-bin-1.0.1.tgz#6e79a41f23fd235c0623218228da7d9c23b8f6e2"
+  integrity sha512-EPfafl6JL5/rU+ot6P3gRSCpPDW5VmIzX959Ob1+ySFUuuYHWHekXpwdUZcKP5C+DS4GEtdJluwBjnsNDl+fSA==
+
+npm-packlist@^1.1.6:
+  version "1.4.8"
+  resolved "https://registry.yarnpkg.com/npm-packlist/-/npm-packlist-1.4.8.tgz#56ee6cc135b9f98ad3d51c1c95da22bbb9b2ef3e"
+  integrity sha512-5+AZgwru5IevF5ZdnFglB5wNlHG1AOOuw28WhUq8/8emhBmLv6jX5by4WJCh7lW0uSYZYS6DXqIsyZVIXRZU9A==
+  dependencies:
+    ignore-walk "^3.0.1"
+    npm-bundled "^1.0.1"
+    npm-normalize-package-bin "^1.0.1"
+
+npmlog@^4.0.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
+  integrity sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==
+  dependencies:
+    are-we-there-yet "~1.1.2"
+    console-control-strings "~1.1.0"
+    gauge "~2.7.3"
+    set-blocking "~2.0.0"
+
+number-is-nan@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
+  integrity sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=
+
+object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
+
+object-inspect@^1.7.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.8.0.tgz#df807e5ecf53a609cc6bfe93eac3cc7be5b3a9d0"
+  integrity sha512-jLdtEOB112fORuypAyl/50VRVIBIdVQOSUUGQHzJ4xBSbit81zRarz7GThkEFZy1RceYrWYcPcBFPQwHyAc1gA==
+
 object-inspect@~1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.6.0.tgz#c70b6cbf72f274aab4c34c0c82f5167bf82cf15b"
   integrity sha512-GJzfBZ6DgDAmnuaM3104jR4s1Myxr3Y3zfIyN4z3UdqN69oSRacNK8UhnobDdC+7J2AHCjGwxQubNJfE70SXXQ==
 
-object-keys@^1.0.12:
+object-keys@^1.0.11, object-keys@^1.0.12, object-keys@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.1.1.tgz#1c47f272df277f3b1daf061677d9c82e2322c60e"
   integrity sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==
 
-once@^1.3.0:
+object.assign@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.0.tgz#968bf1100d7956bb3ca086f006f846b3bc4008da"
+  integrity sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.0"
+    object-keys "^1.0.11"
+
+once@^1.3.0, once@^1.3.1:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
@@ -706,11 +966,24 @@ optionator@^0.8.2:
     type-check "~0.3.2"
     wordwrap "~1.0.0"
 
-os-tmpdir@~1.0.2:
+os-homedir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
+  integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
+
+os-tmpdir@^1.0.0, os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
   integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
 
+osenv@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/osenv/-/osenv-0.1.5.tgz#85cdfafaeb28e8677f416e287592b5f3f49ea410"
+  integrity sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.0"
+
 parent-module@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/parent-module/-/parent-module-1.0.1.tgz#691d2709e78c79fae3a156622452d00762caaaa2"
@@ -753,10 +1026,20 @@ punycode@^2.1.0:
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.1.tgz#b58b010ac40c22c5657616c8d2c2c02c7bf479ec"
   integrity sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==
 
-readable-stream@^2.0.1:
-  version "2.3.6"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
-  integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
+rc@^1.2.7:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
+  integrity sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==
+  dependencies:
+    deep-extend "^0.6.0"
+    ini "~1.3.0"
+    minimist "^1.2.0"
+    strip-json-comments "~2.0.1"
+
+readable-stream@^2.0.6:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+  integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
@@ -805,6 +1088,13 @@ rimraf@2.6.3:
   dependencies:
     glob "^7.1.3"
 
+rimraf@^2.6.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
+  dependencies:
+    glob "^7.1.3"
+
 rollup-plugin-terser@5:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/rollup-plugin-terser/-/rollup-plugin-terser-5.1.1.tgz#e9d2545ec8d467f96ba99b9216d2285aad8d5b66"
@@ -824,13 +1114,13 @@ rollup-pluginutils@^2.8.1:
     estree-walker "^0.6.1"
 
 rollup@1:
-  version "1.17.0"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.17.0.tgz#47ee8b04514544fc93b39bae06271244c8db7dfa"
-  integrity sha512-k/j1m0NIsI4SYgCJR4MWPstGJOWfJyd6gycKoMhyoKPVXxm+L49XtbUwZyFsrSU2YXsOkM4u1ll9CS/ZgJBUpw==
+  version "1.20.3"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.20.3.tgz#6243f6c118ca05f56b2d9433112400cd834a1eb8"
+  integrity sha512-/OMCkY0c6E8tleeVm4vQVDz24CkVgvueK3r8zTYu2AQNpjrcaPwO9hE+pWj5LTFrvvkaxt4MYIp2zha4y0lRvg==
   dependencies:
     "@types/estree" "0.0.39"
-    "@types/node" "^12.6.2"
-    acorn "^6.2.0"
+    "@types/node" "^12.7.2"
+    acorn "^7.0.0"
 
 run-async@^2.2.0:
   version "2.3.0"
@@ -846,6 +1136,11 @@ rxjs@^6.4.0:
   dependencies:
     tslib "^1.9.0"
 
+safe-buffer@^5.1.2:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
@@ -856,10 +1151,15 @@ safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
   integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
 
-semver@^5.5.0:
-  version "5.7.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.0.tgz#790a7cf6fea5459bac96110b29b60412dc8ff96b"
-  integrity sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==
+sax@^1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
+  integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
+
+semver@^5.3.0, semver@^5.5.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
 semver@^6.1.2:
   version "6.3.0"
@@ -867,9 +1167,14 @@ semver@^6.1.2:
   integrity sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==
 
 serialize-javascript@^1.7.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.7.0.tgz#d6e0dfb2a3832a8c94468e6eb1db97e55a192a65"
-  integrity sha512-ke8UG8ulpFOxO8f8gRYabHQe/ZntKlcig2Mp+8+URDP1D8vJZ0KUt7LYo07q25Z/+JVSgpr/cui9PIp5H6/+nA==
+  version "1.9.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.9.0.tgz#5b77019d7c3b85fe91b33ae424c53dcbfb6618bd"
+  integrity sha512-UkGlcYMtw4d9w7YfCtJFgdRTps8N4L0A48R+SmcGL57ki1+yHwJXnalk5bjgrw+ljv6SfzjzPjhohod2qllg/Q==
+
+set-blocking@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+  integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
 
 shebang-command@^1.2.0:
   version "1.2.0"
@@ -883,11 +1188,30 @@ shebang-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
   integrity sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=
 
+signal-exit@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.3.tgz#a1410c2edd8f077b08b4e253c8eacfcaf057461c"
+  integrity sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==
+
 signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
+simple-concat@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/simple-concat/-/simple-concat-1.0.0.tgz#7344cbb8b6e26fb27d66b2fc86f9f6d5997521c6"
+  integrity sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=
+
+simple-get@^3.0.3:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/simple-get/-/simple-get-3.1.0.tgz#b45be062435e50d159540b576202ceec40b9c6b3"
+  integrity sha512-bCR6cP+aTdScaQCnQKbPKtJOKDp/hj9EDLJo3Nw4y1QksqaovlW/bnptB6/c1e+qmNIDHRK+oXFDdEqBT8WzUA==
+  dependencies:
+    decompress-response "^4.2.0"
+    once "^1.3.1"
+    simple-concat "^1.0.0"
+
 slice-ansi@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-2.1.0.tgz#cacd7693461a637a5788d92a7dd4fba068e81636"
@@ -898,9 +1222,9 @@ slice-ansi@^2.1.0:
     is-fullwidth-code-point "^2.0.0"
 
 source-map-support@~0.5.12:
-  version "0.5.12"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.12.tgz#b4f3b10d51857a5af0138d3ce8003b201613d599"
-  integrity sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==
+  version "0.5.13"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.13.tgz#31b24a9c2e73c2de85066c0feb7d44767ed52932"
+  integrity sha512-SHSKFHadjVA5oR4PPqhtAVdcBWwRYVd6g6cAXnIbRiIwc2EhPrTuKUBdSLvlEKyIP3GCf89fltvcZiP9MMFA1w==
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -915,7 +1239,16 @@ sprintf-js@~1.0.2:
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
   integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
 
-string-width@^2.1.0:
+string-width@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
+  integrity sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    strip-ansi "^3.0.0"
+
+"string-width@^1.0.2 || 2", string-width@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
@@ -941,6 +1274,22 @@ string.prototype.trim@~1.1.2:
     es-abstract "^1.5.0"
     function-bind "^1.0.2"
 
+string.prototype.trimend@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.1.tgz#85812a6b847ac002270f5808146064c995fb6913"
+  integrity sha512-LRPxFUaTtpqYsTeNKaFOw3R4bxIzWOnbQ837QfBylo8jIxtcbK/A/sMV7Q+OAV/vWo+7s25pOE10KYSjaSO06g==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.17.5"
+
+string.prototype.trimstart@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/string.prototype.trimstart/-/string.prototype.trimstart-1.0.1.tgz#14af6d9f34b053f7cfc89b72f8f2ee14b9039a54"
+  integrity sha512-XxZn+QpvrBI1FOcg6dIpxUPgWCPuNXvMD72aaRaUQv1eD4e/Qy8i/hFTe0BUmD60p/QA6bh1avmuPTfNjqVWRw==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.17.5"
+
 string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -948,6 +1297,13 @@ string_decoder@~1.1.1:
   dependencies:
     safe-buffer "~5.1.0"
 
+strip-ansi@^3.0.0, strip-ansi@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  integrity sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=
+  dependencies:
+    ansi-regex "^2.0.0"
+
 strip-ansi@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
@@ -967,6 +1323,11 @@ strip-json-comments@^3.0.1:
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.0.1.tgz#85713975a91fb87bf1b305cca77395e40d2a64a7"
   integrity sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==
 
+strip-json-comments@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+  integrity sha1-PFMZQukIwml8DsNEhYwobHygpgo=
+
 supports-color@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
@@ -982,9 +1343,9 @@ supports-color@^6.1.0:
     has-flag "^3.0.0"
 
 table@^5.2.3:
-  version "5.4.4"
-  resolved "https://registry.yarnpkg.com/table/-/table-5.4.4.tgz#6e0f88fdae3692793d1077fd172a4667afe986a6"
-  integrity sha512-IIfEAUx5QlODLblLrGTTLJA7Tk0iLSGBvgY8essPRVNGHAzThujww1YqHLs6h3HfTg55h++RzLHH5Xw/rfv+mg==
+  version "5.4.6"
+  resolved "https://registry.yarnpkg.com/table/-/table-5.4.6.tgz#1292d19500ce3f86053b05f0e8e7e4a3bb21079e"
+  integrity sha512-wmEc8m4fjnob4gt5riFRtTu/6+4rSe12TpAELNSqHMfF3IqnA+CH37USM6/YR3qRZv7e56kAEAtd6nKZaxe0Ug==
   dependencies:
     ajv "^6.10.2"
     lodash "^4.17.14"
@@ -1010,10 +1371,23 @@ tape@4:
     string.prototype.trim "~1.1.2"
     through "~2.3.8"
 
+tar@^4:
+  version "4.4.13"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.13.tgz#43b364bc52888d555298637b10d60790254ab525"
+  integrity sha512-w2VwSrBoHa5BsSyH+KxEqeQBAllHhccyMFVHtGtdMpF4W7IRWfZjFiQceJPChOeTsSDVUpER2T8FA93pr0L+QA==
+  dependencies:
+    chownr "^1.1.1"
+    fs-minipass "^1.2.5"
+    minipass "^2.8.6"
+    minizlib "^1.2.1"
+    mkdirp "^0.5.0"
+    safe-buffer "^5.1.2"
+    yallist "^3.0.3"
+
 terser@^4.1.0:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.1.2.tgz#b2656c8a506f7ce805a3f300a2ff48db022fa391"
-  integrity sha512-jvNoEQSPXJdssFwqPSgWjsOrb+ELoE+ILpHPKXC83tIxOlh2U75F1KuB2luLD/3a6/7K3Vw5pDn+hvu0C4AzSw==
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.2.1.tgz#1052cfe17576c66e7bc70fcc7119f22b155bdac1"
+  integrity sha512-cGbc5utAcX4a9+2GGVX4DsenG6v0x3glnDi5hx8816X1McEAwPlPgRtXPJzSBsbpILxZ8MQMT0KvArLuE0HP5A==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"
@@ -1061,9 +1435,9 @@ util-deprecate@~1.0.1:
   integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
 
 v8-compile-cache@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.0.3.tgz#00f7494d2ae2b688cfe2899df6ed2c54bef91dbe"
-  integrity sha512-CNmdbwQMBjwr9Gsmohvm0pbL954tJrNzf6gWL3K+QMQf00PF7ERGrEiLgjuU3mKreLC2MeGhUsNV9ybTbLgd3w==
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz#e14de37b31a6d194f5690d67efc4e7f6fc6ab30e"
+  integrity sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==
 
 which@^1.2.9:
   version "1.3.1"
@@ -1072,6 +1446,13 @@ which@^1.2.9:
   dependencies:
     isexe "^2.0.0"
 
+wide-align@^1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
+  integrity sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==
+  dependencies:
+    string-width "^1.0.2 || 2"
+
 wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
@@ -1088,3 +1469,8 @@ write@1.0.3:
   integrity sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==
   dependencies:
     mkdirp "^0.5.1"
+
+yallist@^3.0.0, yallist@^3.0.3:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
+  integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==