svgedit/dist/dom-polyfill.js

125 lines
3.5 KiB
JavaScript

(function () {
'use strict';
// From https://github.com/inexorabletash/polyfill/blob/master/dom.js
function mixin(o, ps) {
if (!o) return;
Object.keys(ps).forEach(function (p) {
if (p in o || p in o.prototype) {
return;
}
try {
Object.defineProperty(o.prototype, p, Object.getOwnPropertyDescriptor(ps, p));
} catch (ex) {
// Throws in IE8; just copy it
o[p] = ps[p];
}
});
}
function convertNodesIntoANode(nodes) {
nodes = nodes.map(function (node) {
return !(node instanceof Node) ? document.createTextNode(node) : node;
});
if (nodes.length === 1) {
return nodes[0];
}
var node = document.createDocumentFragment();
nodes.forEach(function (n) {
node.appendChild(n);
});
return node;
}
var ParentNode = {
prepend: function prepend() {
for (var _len = arguments.length, nodes = Array(_len), _key = 0; _key < _len; _key++) {
nodes[_key] = arguments[_key];
}
nodes = convertNodesIntoANode(nodes);
this.insertBefore(nodes, this.firstChild);
},
append: function append() {
for (var _len2 = arguments.length, nodes = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
nodes[_key2] = arguments[_key2];
}
nodes = convertNodesIntoANode(nodes);
this.appendChild(nodes);
}
};
mixin(Document || HTMLDocument, ParentNode); // HTMLDocument for IE8
mixin(DocumentFragment, ParentNode);
mixin(Element, ParentNode);
// Mixin ChildNode
// https://dom.spec.whatwg.org/#interface-childnode
var ChildNode = {
before: function before() {
var parent = this.parentNode;
if (!parent) return;
var viablePreviousSibling = this.previousSibling;
for (var _len3 = arguments.length, nodes = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
nodes[_key3] = arguments[_key3];
}
while (nodes.includes(viablePreviousSibling)) {
viablePreviousSibling = viablePreviousSibling.previousSibling;
}
var node = convertNodesIntoANode(nodes);
parent.insertBefore(node, viablePreviousSibling ? viablePreviousSibling.nextSibling : parent.firstChild);
},
after: function after() {
var parent = this.parentNode;
if (!parent) return;
var viableNextSibling = this.nextSibling;
for (var _len4 = arguments.length, nodes = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
nodes[_key4] = arguments[_key4];
}
while (nodes.includes(viableNextSibling)) {
viableNextSibling = viableNextSibling.nextSibling;
}
var node = convertNodesIntoANode(nodes);
parent.insertBefore(node, viableNextSibling);
},
replaceWith: function replaceWith() {
var parent = this.parentNode;
if (!parent) return;
var viableNextSibling = this.nextSibling;
for (var _len5 = arguments.length, nodes = Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
nodes[_key5] = arguments[_key5];
}
while (nodes.includes(viableNextSibling)) {
viableNextSibling = viableNextSibling.nextSibling;
}
var node = convertNodesIntoANode(nodes);
if (this.parentNode === parent) {
parent.replaceChild(node, this);
} else {
parent.insertBefore(node, viableNextSibling);
}
},
remove: function remove() {
if (!this.parentNode) {
return;
}
this.parentNode.removeChild(this);
}
};
mixin(DocumentType, ChildNode);
mixin(Element, ChildNode);
mixin(CharacterData, ChildNode);
}());