@nodecfdi/cfdi-cleaner
Version:
Librería para limpiar comprobantes fiscales digitales v3.3 y v4.0
40 lines (39 loc) • 1.81 kB
JavaScript
import { Mixin } from 'ts-mixer';
import xpath from 'xpath';
import XmlNamespaceMethods from '#src/mixins/xml_namespace_methods';
export default class RemoveUnusedNamespaces extends Mixin(XmlNamespaceMethods) {
clean(document) {
for (const namespaceNode of this.iterateNonReservedNamespaces(document)) {
this.checkNamespaceNode(document, namespaceNode);
}
}
hasElementsOnNamespace(document, namespace, prefix) {
const elements = xpath.select(`//*[namespace-uri()="${namespace}" and name()=concat("${prefix}", local-name())]`,
// @ts-expect-error misssing Node properties are not needed
document);
return Boolean(elements && elements.length > 0);
}
hasAttributesOnNamespace(document, namespace, prefix) {
const attributes = xpath.select(`//@*[namespace-uri()="${namespace}" and name()=concat("${prefix}", local-name())]`,
// @ts-expect-error misssing Node properties are not needed
document);
return Boolean(attributes && attributes.length > 0);
}
checkNamespaceNode(document, namespaceNode) {
const namespace = namespaceNode.nodeValue;
/* istanbul ignore if -- For usage always is not null but for default nodeValue is posible null @preserve */
if (namespace === null) {
return;
}
const localName = `${namespaceNode.localName}:`;
if (!this.isPrefixedNamespaceOnUse(document, namespace, localName)) {
this.removeNamespaceNodeAttribute(namespaceNode);
}
}
isPrefixedNamespaceOnUse(document, namespace, prefix) {
if (this.hasElementsOnNamespace(document, namespace, prefix)) {
return true;
}
return this.hasAttributesOnNamespace(document, namespace, prefix);
}
}