Updated Bubo to v1.0.1

This commit is contained in:
George Mandis 2021-11-14 19:39:43 -08:00
parent 1cd365e257
commit a5ff96e449

View File

@ -1,9 +1,13 @@
/**
/*
* 🦉 Bubo RSS Reader
* ====
* Dead, dead simple feed reader that renders an HTML
* Dead simple feed reader that renders an HTML
* page with links to content from feeds organized by site
*
*
* Code: https://github.com/georgemandis/bubo-rss
* Copyright (c) 2019 George Mandis (https://george.mand.is)
* Version: 1.0.1 (11/14/2021)
* Licensed under the MIT License (http://opensource.org/licenses/MIT)
*/
const fetch = require("node-fetch");
@ -15,14 +19,17 @@ const env = nunjucks.configure({ autoescape: true });
const feeds = require("./feeds.json");
env.addFilter("formatDate", function(dateString) {
/**
* Global filters for my Nunjucks templates
*/
env.addFilter("formatDate", function (dateString) {
const formattedDate = new Date(dateString).toLocaleDateString()
return formattedDate !== 'Invalid Date' ? formattedDate : dateString;
});
env.addGlobal('now', (new Date()).toUTCString() );
env.addGlobal('now', (new Date()).toUTCString());
// parse XML or JSON feeds
// parse RSS/XML or JSON feeds
function parseFeed(response) {
const contentType = response.headers.get("content-type")
? response.headers.get("content-type").split(";")[0]
@ -44,13 +51,44 @@ function parseFeed(response) {
const jsonFeed = [contentType]
.map(item =>
["application/json"].includes(item) ? response.json() : false
["application/json", "application/feed+json"].includes(item) ? response.json() : false
)
.filter(_ => _)[0];
return rssFeed || jsonFeed || false;
}
/*
There's a little inconcistency with how feeds report certain things like
title, links and timestamps. These helpers try to normalize that bit and
provide an order-of-operations list of properties to look for.
Note: these are tightly-coupled to the template and a personal preference.
*/
const getLink = (obj) => {
const link_values = ["link", "url", "guid", "home_page_url"];
const keys = Object.keys(obj);
const link_property = link_values.find(link_value => keys.includes(link_value));
return obj[link_property];
}
// fallback to URL for the title if not present (coupled to my template)
const getTitle = (obj) => {
const title_values = ["title", "url", "link"]; // fallback to url/link as title if omitted
const keys = Object.keys(obj);
const title_property = title_values.find(title_value => keys.includes(title_value));
return obj[title_property];
}
// More dependable way to get timestamps
const getTimestamp = (obj) => {
const timestamp = new Date(obj.pubDate || obj.isoDate || obj.date || obj.date_published).getTime();
return isNaN(timestamp) ? (obj.pubDate || obj.isoDate || obj.date || obj.date_published) : timestamp;
}
// fetch the feeds and build the object for our template
(async () => {
const contentFromAllFeeds = {};
const errors = [];
@ -66,14 +104,16 @@ function parseFeed(response) {
typeof body === "string" ? await parser.parseString(body) : body;
contents.feed = feeds[group][index];
contents.title = contents.title ? contents.title : contents.link;
contents.title = getTitle(contents);
contents.link = getLink(contents);
contentFromAllFeeds[group].push(contents);
// try to normalize date attribute naming
contents.items.forEach(item => {
const timestamp = new Date(item.pubDate || item.isoDate || item.date).getTime();
item.timestamp = isNaN(timestamp) ? (item.pubDate || item.isoDate || item.date) : timestamp;
});
contents?.items?.forEach(item => {
item.timestamp = getTimestamp(item);
item.title = getTitle(item);
item.link = getLink(item);
});
} catch (error) {
errors.push(feeds[group][index]);
@ -86,4 +126,4 @@ function parseFeed(response) {
errors: errors
});
console.log(output);
})();
})();