Initial commit

node_modules/d3-drag/.eslintrc.json

@@ -0,0 +1,16 @@
+{
+  "extends": "eslint:recommended",
+  "parserOptions": {
+    "sourceType": "module",
+    "ecmaVersion": 8
+  },
+  "env": {
+    "es6": true,
+    "node": true,
+    "browser": true
+  },
+  "rules": {
+    "no-cond-assign": 0,
+    "no-fallthrough": 0
+  }
+}

node_modules/d3-drag/LICENSE

@@ -0,0 +1,27 @@
+Copyright 2010-2016 Mike Bostock
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the author nor the names of contributors may be used to
+  endorse or promote products derived from this software without specific prior
+  written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

node_modules/d3-drag/dist/d3-drag.js

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+// https://d3js.org/d3-drag/ v1.2.3 Copyright 2018 Mike Bostock
+(function (global, factory) {
+typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('d3-selection'), require('d3-dispatch')) :
+typeof define === 'function' && define.amd ? define(['exports', 'd3-selection', 'd3-dispatch'], factory) :
+(factory((global.d3 = global.d3 || {}),global.d3,global.d3));
+}(this, (function (exports,d3Selection,d3Dispatch) { 'use strict';
+
+function nopropagation() {
+  d3Selection.event.stopImmediatePropagation();
+}
+
+function noevent() {
+  d3Selection.event.preventDefault();
+  d3Selection.event.stopImmediatePropagation();
+}
+
+function nodrag(view) {
+  var root = view.document.documentElement,
+      selection = d3Selection.select(view).on("dragstart.drag", noevent, true);
+  if ("onselectstart" in root) {
+    selection.on("selectstart.drag", noevent, true);
+  } else {
+    root.__noselect = root.style.MozUserSelect;
+    root.style.MozUserSelect = "none";
+  }
+}
+
+function yesdrag(view, noclick) {
+  var root = view.document.documentElement,
+      selection = d3Selection.select(view).on("dragstart.drag", null);
+  if (noclick) {
+    selection.on("click.drag", noevent, true);
+    setTimeout(function() { selection.on("click.drag", null); }, 0);
+  }
+  if ("onselectstart" in root) {
+    selection.on("selectstart.drag", null);
+  } else {
+    root.style.MozUserSelect = root.__noselect;
+    delete root.__noselect;
+  }
+}
+
+function constant(x) {
+  return function() {
+    return x;
+  };
+}
+
+function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) {
+  this.target = target;
+  this.type = type;
+  this.subject = subject;
+  this.identifier = id;
+  this.active = active;
+  this.x = x;
+  this.y = y;
+  this.dx = dx;
+  this.dy = dy;
+  this._ = dispatch;
+}
+
+DragEvent.prototype.on = function() {
+  var value = this._.on.apply(this._, arguments);
+  return value === this._ ? this : value;
+};
+
+// Ignore right-click, since that should open the context menu.
+function defaultFilter() {
+  return !d3Selection.event.button;
+}
+
+function defaultContainer() {
+  return this.parentNode;
+}
+
+function defaultSubject(d) {
+  return d == null ? {x: d3Selection.event.x, y: d3Selection.event.y} : d;
+}
+
+function defaultTouchable() {
+  return "ontouchstart" in this;
+}
+
+function drag() {
+  var filter = defaultFilter,
+      container = defaultContainer,
+      subject = defaultSubject,
+      touchable = defaultTouchable,
+      gestures = {},
+      listeners = d3Dispatch.dispatch("start", "drag", "end"),
+      active = 0,
+      mousedownx,
+      mousedowny,
+      mousemoving,
+      touchending,
+      clickDistance2 = 0;
+
+  function drag(selection) {
+    selection
+        .on("mousedown.drag", mousedowned)
+      .filter(touchable)
+        .on("touchstart.drag", touchstarted)
+        .on("touchmove.drag", touchmoved)
+        .on("touchend.drag touchcancel.drag", touchended)
+        .style("touch-action", "none")
+        .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
+  }
+
+  function mousedowned() {
+    if (touchending || !filter.apply(this, arguments)) return;
+    var gesture = beforestart("mouse", container.apply(this, arguments), d3Selection.mouse, this, arguments);
+    if (!gesture) return;
+    d3Selection.select(d3Selection.event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true);
+    nodrag(d3Selection.event.view);
+    nopropagation();
+    mousemoving = false;
+    mousedownx = d3Selection.event.clientX;
+    mousedowny = d3Selection.event.clientY;
+    gesture("start");
+  }
+
+  function mousemoved() {
+    noevent();
+    if (!mousemoving) {
+      var dx = d3Selection.event.clientX - mousedownx, dy = d3Selection.event.clientY - mousedowny;
+      mousemoving = dx * dx + dy * dy > clickDistance2;
+    }
+    gestures.mouse("drag");
+  }
+
+  function mouseupped() {
+    d3Selection.select(d3Selection.event.view).on("mousemove.drag mouseup.drag", null);
+    yesdrag(d3Selection.event.view, mousemoving);
+    noevent();
+    gestures.mouse("end");
+  }
+
+  function touchstarted() {
+    if (!filter.apply(this, arguments)) return;
+    var touches = d3Selection.event.changedTouches,
+        c = container.apply(this, arguments),
+        n = touches.length, i, gesture;
+
+    for (i = 0; i < n; ++i) {
+      if (gesture = beforestart(touches[i].identifier, c, d3Selection.touch, this, arguments)) {
+        nopropagation();
+        gesture("start");
+      }
+    }
+  }
+
+  function touchmoved() {
+    var touches = d3Selection.event.changedTouches,
+        n = touches.length, i, gesture;
+
+    for (i = 0; i < n; ++i) {
+      if (gesture = gestures[touches[i].identifier]) {
+        noevent();
+        gesture("drag");
+      }
+    }
+  }
+
+  function touchended() {
+    var touches = d3Selection.event.changedTouches,
+        n = touches.length, i, gesture;
+
+    if (touchending) clearTimeout(touchending);
+    touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
+    for (i = 0; i < n; ++i) {
+      if (gesture = gestures[touches[i].identifier]) {
+        nopropagation();
+        gesture("end");
+      }
+    }
+  }
+
+  function beforestart(id, container, point, that, args) {
+    var p = point(container, id), s, dx, dy,
+        sublisteners = listeners.copy();
+
+    if (!d3Selection.customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() {
+      if ((d3Selection.event.subject = s = subject.apply(that, args)) == null) return false;
+      dx = s.x - p[0] || 0;
+      dy = s.y - p[1] || 0;
+      return true;
+    })) return;
+
+    return function gesture(type) {
+      var p0 = p, n;
+      switch (type) {
+        case "start": gestures[id] = gesture, n = active++; break;
+        case "end": delete gestures[id], --active; // nobreak
+        case "drag": p = point(container, id), n = active; break;
+      }
+      d3Selection.customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]);
+    };
+  }
+
+  drag.filter = function(_) {
+    return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), drag) : filter;
+  };
+
+  drag.container = function(_) {
+    return arguments.length ? (container = typeof _ === "function" ? _ : constant(_), drag) : container;
+  };
+
+  drag.subject = function(_) {
+    return arguments.length ? (subject = typeof _ === "function" ? _ : constant(_), drag) : subject;
+  };
+
+  drag.touchable = function(_) {
+    return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), drag) : touchable;
+  };
+
+  drag.on = function() {
+    var value = listeners.on.apply(listeners, arguments);
+    return value === listeners ? drag : value;
+  };
+
+  drag.clickDistance = function(_) {
+    return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2);
+  };
+
+  return drag;
+}
+
+exports.drag = drag;
+exports.dragDisable = nodrag;
+exports.dragEnable = yesdrag;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+})));

node_modules/d3-drag/dist/d3-drag.min.js

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+// https://d3js.org/d3-drag/ v1.2.3 Copyright 2018 Mike Bostock
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("d3-selection"),require("d3-dispatch")):"function"==typeof define&&define.amd?define(["exports","d3-selection","d3-dispatch"],e):e(t.d3=t.d3||{},t.d3,t.d3)}(this,function(t,e,n){"use strict";function o(){e.event.stopImmediatePropagation()}function i(){e.event.preventDefault(),e.event.stopImmediatePropagation()}function r(t){var n=t.document.documentElement,o=e.select(t).on("dragstart.drag",i,!0);"onselectstart"in n?o.on("selectstart.drag",i,!0):(n.__noselect=n.style.MozUserSelect,n.style.MozUserSelect="none")}function c(t,n){var o=t.document.documentElement,r=e.select(t).on("dragstart.drag",null);n&&(r.on("click.drag",i,!0),setTimeout(function(){r.on("click.drag",null)},0)),"onselectstart"in o?r.on("selectstart.drag",null):(o.style.MozUserSelect=o.__noselect,delete o.__noselect)}function u(t){return function(){return t}}function s(t,e,n,o,i,r,c,u,s,a){this.target=t,this.type=e,this.subject=n,this.identifier=o,this.active=i,this.x=r,this.y=c,this.dx=u,this.dy=s,this._=a}function a(){return!e.event.button}function l(){return this.parentNode}function d(t){return null==t?{x:e.event.x,y:e.event.y}:t}function f(){return"ontouchstart"in this}s.prototype.on=function(){var t=this._.on.apply(this._,arguments);return t===this._?this:t},t.drag=function(){var t,h,p,v,g=a,m=l,y=d,b=f,_={},w=n.dispatch("start","drag","end"),x=0,T=0;function j(t){t.on("mousedown.drag",k).filter(b).on("touchstart.drag",q).on("touchmove.drag",z).on("touchend.drag touchcancel.drag",D).style("touch-action","none").style("-webkit-tap-highlight-color","rgba(0,0,0,0)")}function k(){if(!v&&g.apply(this,arguments)){var n=P("mouse",m.apply(this,arguments),e.mouse,this,arguments);n&&(e.select(e.event.view).on("mousemove.drag",E,!0).on("mouseup.drag",M,!0),r(e.event.view),o(),p=!1,t=e.event.clientX,h=e.event.clientY,n("start"))}}function E(){if(i(),!p){var n=e.event.clientX-t,o=e.event.clientY-h;p=n*n+o*o>T}_.mouse("drag")}function M(){e.select(e.event.view).on("mousemove.drag mouseup.drag",null),c(e.event.view,p),i(),_.mouse("end")}function q(){if(g.apply(this,arguments)){var t,n,i=e.event.changedTouches,r=m.apply(this,arguments),c=i.length;for(t=0;t<c;++t)(n=P(i[t].identifier,r,e.touch,this,arguments))&&(o(),n("start"))}}function z(){var t,n,o=e.event.changedTouches,r=o.length;for(t=0;t<r;++t)(n=_[o[t].identifier])&&(i(),n("drag"))}function D(){var t,n,i=e.event.changedTouches,r=i.length;for(v&&clearTimeout(v),v=setTimeout(function(){v=null},500),t=0;t<r;++t)(n=_[i[t].identifier])&&(o(),n("end"))}function P(t,n,o,i,r){var c,u,a,l=o(n,t),d=w.copy();if(e.customEvent(new s(j,"beforestart",c,t,x,l[0],l[1],0,0,d),function(){return null!=(e.event.subject=c=y.apply(i,r))&&(u=c.x-l[0]||0,a=c.y-l[1]||0,!0)}))return function f(h){var p,v=l;switch(h){case"start":_[t]=f,p=x++;break;case"end":delete _[t],--x;case"drag":l=o(n,t),p=x}e.customEvent(new s(j,h,c,t,p,l[0]+u,l[1]+a,l[0]-v[0],l[1]-v[1],d),d.apply,d,[h,i,r])}}return j.filter=function(t){return arguments.length?(g="function"==typeof t?t:u(!!t),j):g},j.container=function(t){return arguments.length?(m="function"==typeof t?t:u(t),j):m},j.subject=function(t){return arguments.length?(y="function"==typeof t?t:u(t),j):y},j.touchable=function(t){return arguments.length?(b="function"==typeof t?t:u(!!t),j):b},j.on=function(){var t=w.on.apply(w,arguments);return t===w?j:t},j.clickDistance=function(t){return arguments.length?(T=(t=+t)*t,j):Math.sqrt(T)},j},t.dragDisable=r,t.dragEnable=c,Object.defineProperty(t,"__esModule",{value:!0})});

node_modules/d3-drag/package.json

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+{
+  "name": "d3-drag",
+  "version": "1.2.3",
+  "description": "Drag and drop SVG, HTML or Canvas using mouse or touch input.",
+  "homepage": "https://d3js.org/d3-drag/",
+  "license": "BSD-3-Clause",
+  "author": {
+    "name": "Mike Bostock",
+    "url": "http://bost.ocks.org/mike"
+  },
+  "main": "dist/d3-drag.js",
+  "unpkg": "dist/d3-drag.min.js",
+  "jsdelivr": "dist/d3-drag.min.js",
+  "module": "src/index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/d3/d3-drag.git"
+  },
+  "dependencies": {
+    "d3-dispatch": "1",
+    "d3-selection": "1"
+  },
+  "devDependencies": {
+    "eslint": "5",
+    "rollup": "0.64",
+    "rollup-plugin-terser": "1",
+    "tape": "4"
+  }
+}

node_modules/d3-drag/rollup.config.js

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+import {terser} from "rollup-plugin-terser";
+import * as meta from "./package.json";
+
+const config = {
+  input: "src/index.js",
+  external: Object.keys(meta.dependencies || {}).filter(key => /^d3-/.test(key)),
+  output: {
+    file: `dist/${meta.name}.js`,
+    name: "d3",
+    format: "umd",
+    indent: false,
+    extend: true,
+    banner: `// ${meta.homepage} v${meta.version} Copyright ${(new Date).getFullYear()} ${meta.author.name}`,
+    globals: Object.assign({}, ...Object.keys(meta.dependencies || {}).filter(key => /^d3-/.test(key)).map(key => ({[key]: "d3"})))
+  },
+  plugins: []
+};
+
+export default [
+  config,
+  {
+    ...config,
+    output: {
+      ...config.output,
+      file: `dist/${meta.name}.min.js`
+    },
+    plugins: [
+      ...config.plugins,
+      terser({
+        output: {
+          preamble: config.output.banner
+        }
+      })
+    ]
+  }
+];

node_modules/d3-drag/src/constant.js

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+export default function(x) {
+  return function() {
+    return x;
+  };
+}

node_modules/d3-drag/src/drag.js

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+import {dispatch} from "d3-dispatch";
+import {event, customEvent, select, mouse, touch} from "d3-selection";
+import nodrag, {yesdrag} from "./nodrag";
+import noevent, {nopropagation} from "./noevent";
+import constant from "./constant";
+import DragEvent from "./event";
+
+// Ignore right-click, since that should open the context menu.
+function defaultFilter() {
+  return !event.button;
+}
+
+function defaultContainer() {
+  return this.parentNode;
+}
+
+function defaultSubject(d) {
+  return d == null ? {x: event.x, y: event.y} : d;
+}
+
+function defaultTouchable() {
+  return "ontouchstart" in this;
+}
+
+export default function() {
+  var filter = defaultFilter,
+      container = defaultContainer,
+      subject = defaultSubject,
+      touchable = defaultTouchable,
+      gestures = {},
+      listeners = dispatch("start", "drag", "end"),
+      active = 0,
+      mousedownx,
+      mousedowny,
+      mousemoving,
+      touchending,
+      clickDistance2 = 0;
+
+  function drag(selection) {
+    selection
+        .on("mousedown.drag", mousedowned)
+      .filter(touchable)
+        .on("touchstart.drag", touchstarted)
+        .on("touchmove.drag", touchmoved)
+        .on("touchend.drag touchcancel.drag", touchended)
+        .style("touch-action", "none")
+        .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
+  }
+
+  function mousedowned() {
+    if (touchending || !filter.apply(this, arguments)) return;
+    var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments);
+    if (!gesture) return;
+    select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true);
+    nodrag(event.view);
+    nopropagation();
+    mousemoving = false;
+    mousedownx = event.clientX;
+    mousedowny = event.clientY;
+    gesture("start");
+  }
+
+  function mousemoved() {
+    noevent();
+    if (!mousemoving) {
+      var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny;
+      mousemoving = dx * dx + dy * dy > clickDistance2;
+    }
+    gestures.mouse("drag");
+  }
+
+  function mouseupped() {
+    select(event.view).on("mousemove.drag mouseup.drag", null);
+    yesdrag(event.view, mousemoving);
+    noevent();
+    gestures.mouse("end");
+  }
+
+  function touchstarted() {
+    if (!filter.apply(this, arguments)) return;
+    var touches = event.changedTouches,
+        c = container.apply(this, arguments),
+        n = touches.length, i, gesture;
+
+    for (i = 0; i < n; ++i) {
+      if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) {
+        nopropagation();
+        gesture("start");
+      }
+    }
+  }
+
+  function touchmoved() {
+    var touches = event.changedTouches,
+        n = touches.length, i, gesture;
+
+    for (i = 0; i < n; ++i) {
+      if (gesture = gestures[touches[i].identifier]) {
+        noevent();
+        gesture("drag");
+      }
+    }
+  }
+
+  function touchended() {
+    var touches = event.changedTouches,
+        n = touches.length, i, gesture;
+
+    if (touchending) clearTimeout(touchending);
+    touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
+    for (i = 0; i < n; ++i) {
+      if (gesture = gestures[touches[i].identifier]) {
+        nopropagation();
+        gesture("end");
+      }
+    }
+  }
+
+  function beforestart(id, container, point, that, args) {
+    var p = point(container, id), s, dx, dy,
+        sublisteners = listeners.copy();
+
+    if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() {
+      if ((event.subject = s = subject.apply(that, args)) == null) return false;
+      dx = s.x - p[0] || 0;
+      dy = s.y - p[1] || 0;
+      return true;
+    })) return;
+
+    return function gesture(type) {
+      var p0 = p, n;
+      switch (type) {
+        case "start": gestures[id] = gesture, n = active++; break;
+        case "end": delete gestures[id], --active; // nobreak
+        case "drag": p = point(container, id), n = active; break;
+      }
+      customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]);
+    };
+  }
+
+  drag.filter = function(_) {
+    return arguments.length ? (filter = typeof _ === "function" ? _ : constant(!!_), drag) : filter;
+  };
+
+  drag.container = function(_) {
+    return arguments.length ? (container = typeof _ === "function" ? _ : constant(_), drag) : container;
+  };
+
+  drag.subject = function(_) {
+    return arguments.length ? (subject = typeof _ === "function" ? _ : constant(_), drag) : subject;
+  };
+
+  drag.touchable = function(_) {
+    return arguments.length ? (touchable = typeof _ === "function" ? _ : constant(!!_), drag) : touchable;
+  };
+
+  drag.on = function() {
+    var value = listeners.on.apply(listeners, arguments);
+    return value === listeners ? drag : value;
+  };
+
+  drag.clickDistance = function(_) {
+    return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2);
+  };
+
+  return drag;
+}

node_modules/d3-drag/src/event.js

@@ -0,0 +1,17 @@
+export default function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) {
+  this.target = target;
+  this.type = type;
+  this.subject = subject;
+  this.identifier = id;
+  this.active = active;
+  this.x = x;
+  this.y = y;
+  this.dx = dx;
+  this.dy = dy;
+  this._ = dispatch;
+}
+
+DragEvent.prototype.on = function() {
+  var value = this._.on.apply(this._, arguments);
+  return value === this._ ? this : value;
+};

node_modules/d3-drag/src/index.js

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+export {default as drag} from "./drag";
+export {default as dragDisable, yesdrag as dragEnable} from "./nodrag";

node_modules/d3-drag/src/nodrag.js

@@ -0,0 +1,28 @@
+import {select} from "d3-selection";
+import noevent from "./noevent";
+
+export default function(view) {
+  var root = view.document.documentElement,
+      selection = select(view).on("dragstart.drag", noevent, true);
+  if ("onselectstart" in root) {
+    selection.on("selectstart.drag", noevent, true);
+  } else {
+    root.__noselect = root.style.MozUserSelect;
+    root.style.MozUserSelect = "none";
+  }
+}
+
+export function yesdrag(view, noclick) {
+  var root = view.document.documentElement,
+      selection = select(view).on("dragstart.drag", null);
+  if (noclick) {
+    selection.on("click.drag", noevent, true);
+    setTimeout(function() { selection.on("click.drag", null); }, 0);
+  }
+  if ("onselectstart" in root) {
+    selection.on("selectstart.drag", null);
+  } else {
+    root.style.MozUserSelect = root.__noselect;
+    delete root.__noselect;
+  }
+}

node_modules/d3-drag/src/noevent.js

@@ -0,0 +1,10 @@
+import {event} from "d3-selection";
+
+export function nopropagation() {
+  event.stopImmediatePropagation();
+}
+
+export default function() {
+  event.preventDefault();
+  event.stopImmediatePropagation();
+}