How to use the xpath.createNSResolver function in xpath
To help you get started, we’ve selected a few xpath examples, based on popular ways it is used in public projects.
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DotJoshJohnson / vscode-xml / src / services / XPathEvaluator.ts View on Github 
static evaluate(query: string, xml: string, ignoreDefaultNamespace: boolean): EvaluatorResult {
if (ignoreDefaultNamespace) {
xml = xml.replace(/xmlns=".+"/g, (match: string) => {
return match.replace(/xmlns/g, 'xmlns:default');
});
}
let nodes: Node[] = new Array();
let xdoc: Document = new DOMParser().parseFromString(xml, 'text/xml');
let resolver: xpath.XPathNSResolver = xpath.createNSResolver(xdoc);
let result: xpath.XPathResult = xpath.evaluate(
query, // xpathExpression
xdoc, // contextNode
resolver, // namespaceResolver
xpath.XPathResult.ANY_TYPE, // resultType
null // result
)
let evalResult = new EvaluatorResult();
evalResult.type = EvaluatorResultType.SCALAR_TYPE;
switch(result.resultType) {
case xpath.XPathResult.NUMBER_TYPE:
evalResult.result = result.numberValue;
break;
case xpath.XPathResult.STRING_TYPE:xpath
DOM 3 XPath implemention and helper for node.js and the web
