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

35 lines
1.3 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'));
}
if (!Array.from) {
// JSONata provides an Array.from polyfill that doesn't handle iterables.
// So in IE11 we expect Array.from to exist already, it just needs some
// changes to support iterables.
throw new Error("Missing Array.from base polyfill");
}
Array._from = Array.from;
Array.from = function() {
var arrayLike = arguments[0]
if (arrayLike.forEach) {
var result = [];
arrayLike.forEach(function(i) {
result.push(i);
})
return result;
}
return Array._from.apply(null,arguments);
}
}
})();