Merge pull request #343 from natalan/fix-ie-11-compatibility

Fix ie 11 compatibility

.babelrc

@@ -0,0 +1,12 @@
+{
+    "presets": [
+        [
+            "@babel/preset-env",
+            {
+                "targets": {
+                    "ie": "8"
+                }
+            }
+        ]
+    ]
+}

package.json

@@ -9,29 +9,29 @@
   "license": "MIT",
   "dependencies": {},
   "devDependencies": {
-    "babel-core": "^6.26.3",
-    "babel-loader": "^7.1.5",
-    "babel-preset-env": "^1.7.0",
-    "coveralls": "^3.0.2",
-    "css-loader": "^2.1.1",
-    "istanbul-instrumenter-loader": "^3.0.1",
-    "jasmine-core": "^3.2.1",
-    "karma": "^4.0.1",
-    "karma-chrome-launcher": "^2.2.0",
-    "karma-coverage": "^1.1.2",
-    "karma-jasmine": "^2.0.1",
-    "karma-phantomjs-launcher": "^1.0.4",
-    "karma-sourcemap-loader": "^0.3.7",
-    "karma-webpack": "^3.0.5",
-    "mini-css-extract-plugin": "^0.5.0",
-    "node-sass": "^4.9.3",
-    "optimize-css-assets-webpack-plugin": "^5.0.0",
-    "sass-loader": "^7.1.0",
-    "standard": "^12.0.1",
-    "uglifyjs-webpack-plugin": "^2.0.1",
-    "webpack": "^4.29.6",
-    "webpack-cli": "^3.2.3",
-    "webpack-dev-server": "^3.2.1"
+    "@babel/core": "7.4.5",
+    "@babel/preset-env": "7.4.5",
+    "babel-loader": "8.0.6",
+    "coveralls": "3.0.4",
+    "css-loader": "2.1.1",
+    "istanbul-instrumenter-loader": "3.0.1",
+    "jasmine-core": "3.4.0",
+    "karma": "4.1.0",
+    "karma-chrome-launcher": "2.2.0",
+    "karma-coverage": "1.1.2",
+    "karma-jasmine": "2.0.1",
+    "karma-phantomjs-launcher": "1.0.4",
+    "karma-sourcemap-loader": "0.3.7",
+    "karma-webpack": "3.0.5",
+    "mini-css-extract-plugin": "0.7.0",
+    "node-sass": "4.12.0",
+    "optimize-css-assets-webpack-plugin": "5.0.1",
+    "sass-loader": "7.1.0",
+    "standard": "12.0.1",
+    "uglifyjs-webpack-plugin": "2.1.3",
+    "webpack": "4.33.0",
+    "webpack-cli": "3.3.3",
+    "webpack-dev-server": "3.7.1"
   },
   "scripts": {
     "test": "standard && karma start",

src/js/html.js

@@ -30,14 +30,15 @@ function cloneElement (element, params) {
   const clone = element.cloneNode()
 
   // Loop over and process the children elements / nodes (including text nodes)
-  for (let child of element.childNodes) {
+  const childNodesArray = Array.prototype.slice.call(element.childNodes)
+  for (let i = 0; i < childNodesArray.length; i++) {
     // Check if we are skiping the current element
-    if (params.ignoreElements.indexOf(child.id) !== -1) {
+    if (params.ignoreElements.indexOf(childNodesArray[i].id) !== -1) {
       continue
     }
 
     // Clone the child element
-    const clonedChild = cloneElement(child, params)
+    const clonedChild = cloneElement(childNodesArray[i], params)
 
     // Attach the cloned child to the cloned parent node
     clone.appendChild(clonedChild)

src/js/print.js

@@ -68,11 +68,12 @@ function performPrint (iframeElement, params) {
 }
 
 function loadIframeImages (images) {
-  const promises = []
-
-  for (let image of images) {
-    if (image.src && image.src !== window.location.href) promises.push(loadIframeImage(image))
-  }
+  const promises = Array.prototype.slice.call(images).reduce((memo, image) => {
+    if (image.src && image.src !== window.location.href) {
+      memo.push(loadIframeImage(image))
+    }
+    return memo
+  }, [])
 
   return Promise.all(promises)
 }

webpack.config.js

@@ -22,10 +22,7 @@ module.exports = {
         test: /\.js$/,
         exclude: /node_modules/,
         use: {
-          loader: 'babel-loader',
-          options: {
-            presets: ['env']
-          }
+          loader: 'babel-loader'
         }
       },
       // TODO: Configure istanbul to interpret how webpack bundles files