node-red/packages/node_modules/@node-red/editor-client/src/js/polyfills.js

34 lines
1.2 KiB
JavaScript

(function() {
var isIE11 = !!window.MSInputMethodContext && !!document.documentMode;
if (isIE11) {
// IE11 does not provide classList on SVGElements
if (! ("classList" in SVGElement.prototype)) {
Object.defineProperty(SVGElement.prototype, 'classList', Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'classList'));
}
// IE11 does not provide children on SVGElements
if (! ("children" in SVGElement.prototype)) {
Object.defineProperty(SVGElement.prototype, 'children', Object.getOwnPropertyDescriptor(HTMLElement.prototype, 'children'));
}
Array.from = function() {
if (arguments.length > 1) {
throw new Error("Node-RED's IE11 Array.from polyfill doesn't support multiple arguments");
}
var arrayLike = arguments[0]
var result = [];
if (arrayLike.forEach) {
arrayLike.forEach(function(i) {
result.push(i);
})
} else {
for (var i=0;i<arrayLike.length;i++) {
result.push(arrayList[i]);
}
}
return result;
}
}
})();