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rOACCT/node_modules/htmlparser2/lib/FeedHandler.js
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FeedHandler.js
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"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseFeed = exports.FeedHandler = void 0;
var domhandler_1 = __importDefault(require("domhandler"));
var DomUtils = __importStar(require("domutils"));
var Parser_1 = require("./Parser");
var FeedItemMediaMedium;
(function (FeedItemMediaMedium) {
FeedItemMediaMedium[FeedItemMediaMedium["image"] = 0] = "image";
FeedItemMediaMedium[FeedItemMediaMedium["audio"] = 1] = "audio";
FeedItemMediaMedium[FeedItemMediaMedium["video"] = 2] = "video";
FeedItemMediaMedium[FeedItemMediaMedium["document"] = 3] = "document";
FeedItemMediaMedium[FeedItemMediaMedium["executable"] = 4] = "executable";
})(FeedItemMediaMedium || (FeedItemMediaMedium = {}));
var FeedItemMediaExpression;
(function (FeedItemMediaExpression) {
FeedItemMediaExpression[FeedItemMediaExpression["sample"] = 0] = "sample";
FeedItemMediaExpression[FeedItemMediaExpression["full"] = 1] = "full";
FeedItemMediaExpression[FeedItemMediaExpression["nonstop"] = 2] = "nonstop";
})(FeedItemMediaExpression || (FeedItemMediaExpression = {}));
// TODO: Consume data as it is coming in
var FeedHandler = /** @class */ (function (_super) {
__extends(FeedHandler, _super);
/**
*
* @param callback
* @param options
*/
function FeedHandler(callback, options) {
var _this = this;
if (typeof callback === "object") {
callback = undefined;
options = callback;
}
_this = _super.call(this, callback, options) || this;
return _this;
}
FeedHandler.prototype.onend = function () {
var _a, _b;
var feedRoot = getOneElement(isValidFeed, this.dom);
if (!feedRoot) {
this.handleCallback(new Error("couldn't find root of feed"));
return;
}
var feed = {};
if (feedRoot.name === "feed") {
var childs = feedRoot.children;
feed.type = "atom";
addConditionally(feed, "id", "id", childs);
addConditionally(feed, "title", "title", childs);
var href = getAttribute("href", getOneElement("link", childs));
if (href) {
feed.link = href;
}
addConditionally(feed, "description", "subtitle", childs);
var updated = fetch("updated", childs);
if (updated) {
feed.updated = new Date(updated);
}
addConditionally(feed, "author", "email", childs, true);
feed.items = getElements("entry", childs).map(function (item) {
var entry = {};
var children = item.children;
addConditionally(entry, "id", "id", children);
addConditionally(entry, "title", "title", children);
var href = getAttribute("href", getOneElement("link", children));
if (href) {
entry.link = href;
}
var description = fetch("summary", children) || fetch("content", children);
if (description) {
entry.description = description;
}
var pubDate = fetch("updated", children);
if (pubDate) {
entry.pubDate = new Date(pubDate);
}
entry.media = getMediaElements(children);
return entry;
});
}
else {
var childs = (_b = (_a = getOneElement("channel", feedRoot.children)) === null || _a === void 0 ? void 0 : _a.children) !== null && _b !== void 0 ? _b : [];
feed.type = feedRoot.name.substr(0, 3);
feed.id = "";
addConditionally(feed, "title", "title", childs);
addConditionally(feed, "link", "link", childs);
addConditionally(feed, "description", "description", childs);
var updated = fetch("lastBuildDate", childs);
if (updated) {
feed.updated = new Date(updated);
}
addConditionally(feed, "author", "managingEditor", childs, true);
feed.items = getElements("item", feedRoot.children).map(function (item) {
var entry = {};
var children = item.children;
addConditionally(entry, "id", "guid", children);
addConditionally(entry, "title", "title", children);
addConditionally(entry, "link", "link", children);
addConditionally(entry, "description", "description", children);
var pubDate = fetch("pubDate", children);
if (pubDate)
entry.pubDate = new Date(pubDate);
entry.media = getMediaElements(children);
return entry;
});
}
this.feed = feed;
this.handleCallback(null);
};
return FeedHandler;
}(domhandler_1.default));
exports.FeedHandler = FeedHandler;
function getMediaElements(where) {
return getElements("media:content", where).map(function (elem) {
var media = {
medium: elem.attribs.medium,
isDefault: !!elem.attribs.isDefault,
};
if (elem.attribs.url) {
media.url = elem.attribs.url;
}
if (elem.attribs.fileSize) {
media.fileSize = parseInt(elem.attribs.fileSize, 10);
}
if (elem.attribs.type) {
media.type = elem.attribs.type;
}
if (elem.attribs.expression) {
media.expression = elem.attribs
.expression;
}
if (elem.attribs.bitrate) {
media.bitrate = parseInt(elem.attribs.bitrate, 10);
}
if (elem.attribs.framerate) {
media.framerate = parseInt(elem.attribs.framerate, 10);
}
if (elem.attribs.samplingrate) {
media.samplingrate = parseInt(elem.attribs.samplingrate, 10);
}
if (elem.attribs.channels) {
media.channels = parseInt(elem.attribs.channels, 10);
}
if (elem.attribs.duration) {
media.duration = parseInt(elem.attribs.duration, 10);
}
if (elem.attribs.height) {
media.height = parseInt(elem.attribs.height, 10);
}
if (elem.attribs.width) {
media.width = parseInt(elem.attribs.width, 10);
}
if (elem.attribs.lang) {
media.lang = elem.attribs.lang;
}
return media;
});
}
function getElements(tagName, where) {
return DomUtils.getElementsByTagName(tagName, where, true);
}
function getOneElement(tagName, node) {
return DomUtils.getElementsByTagName(tagName, node, true, 1)[0];
}
function fetch(tagName, where, recurse) {
if (recurse === void 0) { recurse = false; }
return DomUtils.getText(DomUtils.getElementsByTagName(tagName, where, recurse, 1)).trim();
}
function getAttribute(name, elem) {
if (!elem) {
return null;
}
var attribs = elem.attribs;
return attribs[name];
}
function addConditionally(obj, prop, what, where, recurse) {
if (recurse === void 0) { recurse = false; }
var tmp = fetch(what, where, recurse);
if (tmp)
obj[prop] = tmp;
}
function isValidFeed(value) {
return value === "rss" || value === "feed" || value === "rdf:RDF";
}
/**
* Parse a feed.
*
* @param feed The feed that should be parsed, as a string.
* @param options Optionally, options for parsing. When using this option, you should set `xmlMode` to `true`.
*/
function parseFeed(feed, options) {
if (options === void 0) { options = { xmlMode: true }; }
var handler = new FeedHandler(options);
new Parser_1.Parser(handler, options).end(feed);
return handler.feed;
}
exports.parseFeed = parseFeed;
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