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44 Zeilen
915 B
44 Zeilen
915 B
// This object will be used as the prototype for Nodes when creating a
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// DOM-Level-1-compliant structure.
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var NodePrototype = module.exports = {
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get firstChild() {
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var children = this.children;
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return children && children[0] || null;
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},
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get lastChild() {
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var children = this.children;
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return children && children[children.length - 1] || null;
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},
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get nodeType() {
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return nodeTypes[this.type] || nodeTypes.element;
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}
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};
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var domLvl1 = {
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tagName: "name",
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childNodes: "children",
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parentNode: "parent",
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previousSibling: "prev",
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nextSibling: "next",
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nodeValue: "data"
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};
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var nodeTypes = {
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element: 1,
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text: 3,
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cdata: 4,
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comment: 8
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};
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Object.keys(domLvl1).forEach(function(key) {
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var shorthand = domLvl1[key];
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Object.defineProperty(NodePrototype, key, {
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get: function() {
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return this[shorthand] || null;
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},
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set: function(val) {
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this[shorthand] = val;
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return val;
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}
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});
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});
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