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"use strict";
module.exports = DocumentFragment;
var Node = require('./Node');
var NodeList = require('./NodeList');
var ContainerNode = require('./ContainerNode');
var Element = require('./Element');
var select = require('./select');
var utils = require('./utils');
function DocumentFragment(doc) {
ContainerNode.call(this);
this.nodeType = Node.DOCUMENT_FRAGMENT_NODE;
this.ownerDocument = doc;
}
DocumentFragment.prototype = Object.create(ContainerNode.prototype, {
nodeName: { value: '#document-fragment' },
nodeValue: {
get: function() {
return null;
},
set: function() {}
},
// Copy the text content getter/setter from Element
textContent: Object.getOwnPropertyDescriptor(Element.prototype, 'textContent'),
// Copy the text content getter/setter from Element
innerText: Object.getOwnPropertyDescriptor(Element.prototype, 'innerText'),
querySelector: { value: function(selector) {
// implement in terms of querySelectorAll
var nodes = this.querySelectorAll(selector);
return nodes.length ? nodes[0] : null;
}},
querySelectorAll: { value: function(selector) {
// create a context
var context = Object.create(this);
// add some methods to the context for zest implementation, without
// adding them to the public DocumentFragment API
context.isHTML = true; // in HTML namespace (case-insensitive match)
context.getElementsByTagName = Element.prototype.getElementsByTagName;
context.nextElement =
Object.getOwnPropertyDescriptor(Element.prototype, 'firstElementChild').
get;
// invoke zest
var nodes = select(selector, context);
return nodes.item ? nodes : new NodeList(nodes);
}},
// Utility methods
clone: { value: function clone() {
return new DocumentFragment(this.ownerDocument);
}},
isEqual: { value: function isEqual(n) {
// Any two document fragments are shallowly equal.
// Node.isEqualNode() will test their children for equality
return true;
}},
// Non-standard, but useful (github issue #73)
innerHTML: {
get: function() { return this.serialize(); },
set: utils.nyi
},
outerHTML: {
get: function() { return this.serialize(); },
set: utils.nyi
},
});
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