IE 11 support (Array.from replace to its analogs)

docs/jsx/utils.jsx

@@ -27,15 +27,21 @@ export function getRandomText (length = undefined) {
 }
 
 export function generateArticles () {
-    return Array.from({ length: 7 + Math.floor(Math.random() * 5) },
-        () => ({
+
+    let arr = new Array(7 + Math.floor(Math.random() * 5));
+
+    for (let i = 0; i < arr.length; ++i) {
+        arr[i] = {
             id: ++globalID,
             title: getRandomText(1).slice(0, 50),
             text: `${ getRandomText() }.`,
             cover: `https://source.unsplash.com/random/1600x900.${ Math.random().toString().slice(2) }`,
             cardWidth: Math.random() > 0.8 ? 2 : 1
-        })
-    );
+        };
+    }
+
+    return arr;
+
 }
 
 export function getRandomCard (id) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-xmasonry",
-  "version": "2.5.1",
+  "version": "2.5.2",
   "description": "Simple & featured native masonry layout implementation for React JS",
   "main": "dist/index.js",
   "module": "src/index.jsx",

src/components/XBlock.jsx

@@ -38,7 +38,7 @@ export default class XBlock extends React.Component {
         this.placed = true;
         const parent = this.props.parent;
         requestAnimationFrame(() => { if (!this.divElement) return;
-            let images = Array.from(this.divElement.querySelectorAll(`img`)),
+            let images = Array.prototype.slice.call(this.divElement.querySelectorAll(`img`)),
                 handleImages = images.length > 0 && parent.props.updateOnImagesLoad;
             if (handleImages) images.forEach(
                 (img) => !img.complete && img.addEventListener(`load`, parent.update)

src/components/XMasonry.jsx

@@ -299,7 +299,10 @@ export default class XMasonry extends React.Component {
     recalculatePositions (newBlocks = null, deletedBlocks = null) {
 
         let blocks,
-            heights = Array.from({ length: this.columns }, () => 0);
+            heights = [];
+
+        for (let c = 0; c < this.columns; ++c)
+            heights.push(0);
 
         for (const key in this.blocks) {
             if (this.blocks.hasOwnProperty(key) && typeof this.blocks[key] === "undefined") {