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BaseSiteMapGenerator.js
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BaseSiteMapGenerator.js
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"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
exports.__esModule = true;
exports.default = void 0;
var _lodash = _interopRequireDefault(require("lodash"));
var _xml = _interopRequireDefault(require("xml"));
var _moment = _interopRequireDefault(require("moment"));
var _path = _interopRequireDefault(require("path"));
var _utils = _interopRequireDefault(require("./utils"));
// Sitemap specific xml namespace declarations that should not change
var XMLNS_DECLS = {
_attr: {
xmlns: "http://www.sitemaps.org/schemas/sitemap/0.9",
'xmlns:image': "http://www.google.com/schemas/sitemap-image/1.1"
}
};
var BaseSiteMapGenerator =
/*#__PURE__*/
function () {
function BaseSiteMapGenerator() {
this.nodeLookup = {};
this.nodeTimeLookup = {};
this.siteMapContent = null;
this.lastModified = 0;
}
var _proto = BaseSiteMapGenerator.prototype;
_proto.generateXmlFromNodes = function generateXmlFromNodes(options) {
var self = this; // Get a mapping of node to timestamp
var timedNodes = _lodash.default.map(this.nodeLookup, function (node, id) {
return {
id: id,
// Using negative here to sort newest to oldest
ts: -(self.nodeTimeLookup[id] || 0),
node: node
};
}, []); // Sort nodes by timestamp
var sortedNodes = _lodash.default.sortBy(timedNodes, "ts"); // Grab just the nodes
var urlElements = _lodash.default.map(sortedNodes, "node");
var data = {
// Concat the elements to the _attr declaration
urlset: [XMLNS_DECLS].concat(urlElements)
}; // Return the xml
return _utils.default.getDeclarations(options) + (0, _xml.default)(data);
};
_proto.addUrl = function addUrl(url, datum) {
var node = this.createUrlNodeFromDatum(url, datum);
if (node) {
this.updateLastModified(datum);
this.updateLookups(datum, node); // force regeneration of xml
this.siteMapContent = null;
}
};
_proto.removeUrl = function removeUrl(url, datum) {
this.removeFromLookups(datum); // force regeneration of xml
this.siteMapContent = null;
this.lastModified = (0, _moment.default)(new Date());
};
_proto.getLastModifiedForDatum = function getLastModifiedForDatum(datum) {
if (datum.updated_at || datum.published_at || datum.created_at) {
var modifiedDate = datum.updated_at || datum.published_at || datum.created_at;
return (0, _moment.default)(new Date(modifiedDate));
} else {
return (0, _moment.default)(new Date());
}
};
_proto.updateLastModified = function updateLastModified(datum) {
var lastModified = this.getLastModifiedForDatum(datum);
if (!this.lastModified || lastModified > this.lastModified) {
this.lastModified = lastModified;
}
};
_proto.createUrlNodeFromDatum = function createUrlNodeFromDatum(url, datum) {
var node, imgNode;
node = {
url: [{
loc: url
}, {
lastmod: (0, _moment.default)(this.getLastModifiedForDatum(datum), _moment.default.ISO_8601).toISOString()
}]
};
imgNode = this.createImageNodeFromDatum(datum);
if (imgNode) {
node.url.push(imgNode);
}
return node;
};
_proto.createImageNodeFromDatum = function createImageNodeFromDatum(datum) {
// Check for cover first because user has cover but the rest only have image
var image = datum.cover_image || datum.profile_image || datum.feature_image;
var imageEl;
if (!image) {
return;
} // Create the weird xml node syntax structure that is expected
imageEl = [{
'image:loc': image
}, {
'image:caption': _path.default.basename(image)
}]; // Return the node to be added to the url xml node
return {
'image:image': imageEl
}; //eslint-disable-line
};
_proto.validateImageUrl = function validateImageUrl(imageUrl) {
return !!imageUrl;
};
_proto.getXml = function getXml(options) {
if (this.siteMapContent) {
return this.siteMapContent;
}
var content = this.generateXmlFromNodes(options);
this.siteMapContent = content;
return content;
}
/**
* @NOTE
* The url service currently has no url update event.
* It removes and adds the url. If the url service extends it's
* feature set, we can detect if a node has changed.
*/
;
_proto.updateLookups = function updateLookups(datum, node) {
this.nodeLookup[datum.id] = node;
this.nodeTimeLookup[datum.id] = this.getLastModifiedForDatum(datum);
};
_proto.removeFromLookups = function removeFromLookups(datum) {
delete this.nodeLookup[datum.id];
delete this.nodeTimeLookup[datum.id];
};
_proto.reset = function reset() {
this.nodeLookup = {};
this.nodeTimeLookup = {};
this.siteMapContent = null;
};
return BaseSiteMapGenerator;
}();
exports.default = BaseSiteMapGenerator;