Skip to main content
Module

x/rss/README.md

📰 Deno module for deserializing RSS or ATOM XML feeds into typed objects
Very Popular
Go to Latest
File

CI tag

About

RSS and Atom deserialization module for Deno.
The project aims to provide a lightweight and easy-to-use feed deserializer.

Check out the deserializer in this online showcase

Usage

Download and parse feed:

import { parseFeed } from "https://deno.land/x/rss/mod.ts";

const response = await fetch(
  "http://static.userland.com/gems/backend/rssTwoExample2.xml",
);
const xml = await response.text();
const feed = await parseFeed(xml);

// Your code...

How to access Dublin Core or MediaRss fields (RSS and RSS2 Only)

import {
  DublinCore,
  MediaRss,
  parseFeed,
} from "https://deno.land/x/rss/mod.ts";

const response = await fetch(
  "http://static.userland.com/gems/backend/rssTwoExample2.xml",
);
const xml = await response.text();

// Optional destructuring assignment
const { entries } = await parseFeed(xml);

// Access fields using the DublinCore and MediaRss enums
const dcTitle = entries[0][DublinCore.Title];
const mediaContent = entries[0][MediaRss.Content];

Mapping Table

Feed

Feed Atom RSS2 RSS
FeedType Atom RSS2 RSS1
Id Id Link or DC:URI Link or DC:URI
Title Title Title or DC:Title Title or DC:Title
Description Subtitle Description or DC:Description Description or DC:Description
Links Links Link, DC:URI Link or DC:URI
Image Logo Image Image
Icon Icon - -
Language N/A Language or DC:Language DC:Language
Created Updated LastBuildDate or DC:Created or PubDate or DC:DateSubmitted or DC:Date DC:Created or DC:DateSubmitted or DC:Date
Published Updated PubDate or DC:DateSubmitted or DC:Date DC:DateSubmitted or DC:Date
UpdateDate Updated LastBuildDate or DC:Date DC:Date
Generator Generator Generator -
Ttl - Ttl -
Categories Category - -
Author Author WebMaster or DC:Creator DC:Creator
Copyright - Copyright or DC:Rights DC:Rights
SkipDays - SkipDays -
SkipHours - SkipHours -
Docs - Docs -
Dublin Core Namespace - All Dublin Core fields All Dublin Core fields
Slash Namespace - - All Slash fields

Entries/Items

Feed Atom RSS2 RSS
Id Id Guid DC:URI or Link
Author Author Author or DC:Creator DC:Creator
Title Title Title or DC:Title Title or DC:Title
Description Summary Description or DC:Description Description or DC:Description
Content Content Content:Encoded -
Links Links, feedburner:origlink, Href, (Id if URL) Href Link, DC:URI
Attachments Links (marked as enclosure) Enclosure -
Published Published DC:DateSubmitted or PubDate or DC:Date DC:DateSubmitted or DC:Date
Updated Updated PubDate DC:DateSubmitted or DC:Date
Categories Category Category -
Contributors Contributors DC:Contributor DC:Contributor
Comments - Comments -
Source Source - -
Media Namespace - All Media fields -
Dublin Core Namespace - All Dublin Core fields All Dublin Core fields
Slash Namespace - - All Slash fields

Development

Local sample parsing

Using Denon

denon start

Using Deno

deno run --allow-read dev.ts atom

Testing

Using Denon

denon test

Using Deno

deno test --allow-read

Benchmark

Using Denon

denon benchmark

Using Deno

deno bench --allow-read bench.ts

Memory footprint test

Using Denon

denon memory

Using Deno

deno run --allow-read dev_memory_usage.ts