@fnlb-project/stanza
Version:
Modern XMPP in the browser, with a JSON API
62 lines (61 loc) • 2.39 kB
JavaScript
// ====================================================================
// XEP-0334: Message Processing Hints
// --------------------------------------------------------------------
// Source: https://xmpp.org/extensions/xep-0334.html
// Version: 0.3.0 (2018-01-25)
// ====================================================================
import { createElement, extendMessage } from '../jxt';
import { NS_HINTS } from '../Namespaces';
function processingHints() {
return {
importer(xml) {
const results = {};
let found = false;
for (const child of xml.children) {
/* istanbul ignore next */
if (typeof child === 'string') {
continue;
}
if (child.getNamespace() !== NS_HINTS) {
continue;
}
switch (child.getName()) {
case 'no-copy':
results.noCopy = true;
found = true;
break;
case 'no-permanent-store':
results.noPermanentStore = true;
found = true;
break;
case 'no-store':
results.noStore = true;
found = true;
break;
case 'store':
results.store = true;
found = true;
break;
}
}
return found ? results : undefined;
},
exporter(xml, value, context) {
if (value.noCopy) {
xml.appendChild(createElement(NS_HINTS, 'no-copy', context.namespace, xml));
}
if (value.noPermanentStore) {
xml.appendChild(createElement(NS_HINTS, 'no-permanent-store', context.namespace, xml));
}
if (value.noStore) {
xml.appendChild(createElement(NS_HINTS, 'no-store', context.namespace, xml));
}
if (value.store) {
xml.appendChild(createElement(NS_HINTS, 'store', context.namespace, xml));
}
}
};
}
export default extendMessage({
processingHints: processingHints()
});