Merge pull request #134 from anna-apanasik/bugfix/ie-11-support

Support of IE 11

Author: tbolis

package.json

@@ -120,7 +120,7 @@
     "postcss-loader": "^3.0.0",
     "react-color": "^2.14.1",
     "react-dropzone": "7.0.1",
-    "react-hot-loader": "^4.3",
+    "react-hot-loader": "4.6.0",
     "react-test-renderer": "^16.6.1",
     "react-transform-hmr": "^1.0.4",
     "rimraf": "^2.6.2",

src/index.js

@@ -1,3 +1,4 @@
+import './polyfill'
 import SketchField from './SketchField'
 import Tools from './tools'
 

src/polyfill.js

@@ -0,0 +1,29 @@
+/**
+ * Object.assign() polyfill for IE11
+ * @see <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign>
+ */
+
+if (typeof Object.assign != "function") {
+    Object.defineProperty(Object, "assign", {
+        value: function assign(target, varArgs) {
+            "use strict";
+            if (target == null) {
+                throw new TypeError("Cannot convert undefined or null to object");
+            }
+            var to = Object(target);
+            for (var index = 1; index < arguments.length; index++) {
+                var nextSource = arguments[index];
+                if (nextSource != null) {
+                    for (var nextKey in nextSource) {
+                        if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
+                            to[nextKey] = nextSource[nextKey];
+                        }
+                    }
+                }
+            }
+            return to;
+        },
+        writable: true,
+        configurable: true
+    });
+}

yarn.lock

@@ -5957,6 +5957,11 @@ lodash.keys@^3.0.0:
     lodash.isarguments "^3.0.0"
     lodash.isarray "^3.0.0"
 
+lodash.merge@^4.6.1:
+  version "4.6.2"
+  resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
+  integrity sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==
+
 lodash.sortby@^4.7.0:
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
@@ -7563,17 +7568,20 @@ react-event-listener@^0.6.2:
     prop-types "^15.6.0"
     warning "^4.0.1"
 
-react-hot-loader@^4.3:
-  version "4.3.12"
-  resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-4.3.12.tgz#0d56688884e7330c63a00a17217866280616b07a"
-  integrity sha512-GMM4TsqUVss2QPe+Y33NlgydA5/+7tAVQxR0rZqWvBpapM8JhD7p6ymMwSZzr5yxjoXXlK/6P6qNQBOqm1dqdg==
+react-hot-loader@4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-4.6.0.tgz#7a556efea51a3c79e8bffdb094fbe17883a79432"
+  integrity sha512-ytmtbJB0RlTUqa9HnpVsoZiZ6iRsTzu+O2WovKT++f+tDYOTNZYa7OesVAE+R90e/1w/OJO4G/tw4rNSMYCjFw==
   dependencies:
     fast-levenshtein "^2.0.6"
     global "^4.3.0"
     hoist-non-react-statics "^2.5.0"
+    loader-utils "^1.1.0"
+    lodash.merge "^4.6.1"
     prop-types "^15.6.1"
     react-lifecycles-compat "^3.0.4"
     shallowequal "^1.0.2"
+    source-map "^0.7.3"
 
 react-is@^16.3.2, react-is@^16.6.1:
   version "16.6.1"
@@ -8424,6 +8432,11 @@ source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.0, source-map@~0.6.1:
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
   integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
+source-map@^0.7.3:
+  version "0.7.3"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.7.3.tgz#5302f8169031735226544092e64981f751750383"
+  integrity sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==
+
 spdx-correct@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.0.2.tgz#19bb409e91b47b1ad54159243f7312a858db3c2e"