@11me/xparse/lib/parsers/rss-parser.js

Simple html and rss parser

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.RSSParser = void 0;
const xml2js_1 = require("xml2js");
const base_parser_1 = require("./base-parser");
const helpers_1 = require("../helpers");
class RSSParser extends base_parser_1.BaseParser {
    constructor(fetchProvider) {
        super(fetchProvider);
    }
    parse(url) {
        return __awaiter(this, void 0, void 0, function* () {
            const resource = yield this.fetch(url);
            const result = yield (0, xml2js_1.parseStringPromise)(resource);
            const creator = result.rss.channel[0]['title'][0];
            const items = result.rss.channel[0]['item'];
            const itemKeys = Reflect.ownKeys(items[0]);
            // flatten the result
            items.forEach((item, i, arr) => {
                itemKeys.forEach(key => {
                    item[key] = item[key][0];
                    item['creator'] = creator;
                    if (key === 'guid') {
                        try {
                            item[key] = (0, helpers_1.hashCode)(item['link']);
                        }
                        catch (e) {
                            // use existing guid
                            item[key] = item[key]['_'];
                        }
                    }
                });
                arr[i] = item;
            });
            return items;
        });
    }
}
exports.RSSParser = RSSParser;