in src/main.ts [334:349]
function escapeVal(str:string): string {
return str.replace(/&#([0-9]+);/g, function(_:string, m0:string) {
return (<any>String).fromCodePoint(parseInt(m0, 10));
}).replace(/&#x([0-9a-f]+);/g, function(_:string, m0:string) {
return (<any>String).fromCodePoint(parseInt(m0, 16));
}).replace(/&|<|>|"|'/g, function(_:string) {
switch (_) {
case '&': return '&';
case '<': return '<';
case '>': return '>';
case '"': return '"';
case ''': return '\'';
}
return _;
})
}