Adds extra elements to RSS items. (#6707)
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Phil Nash
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6 changed files with 221 additions and 23 deletions
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.changeset/quiet-cougars-fix.md
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.changeset/quiet-cougars-fix.md
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@ -0,0 +1,5 @@
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---
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'@astrojs/rss': minor
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---
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Added extra elements to the RSS items, including categories and enclosure
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@ -112,24 +112,7 @@ Type: `RSSFeedItem[] (required)`
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A list of formatted RSS feed items. See [Astro's RSS items documentation](https://docs.astro.build/en/guides/rss/#generating-items) for usage examples to choose the best option for you.
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A list of formatted RSS feed items. See [Astro's RSS items documentation](https://docs.astro.build/en/guides/rss/#generating-items) for usage examples to choose the best option for you.
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When providing a formatted RSS item list, see the `RSSFeedItem` type reference below:
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When providing a formatted RSS item list, see the [`RSSFeedItem` type reference](#rssfeeditem).
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```ts
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type RSSFeedItem = {
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/** Link to item */
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link: string;
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/** Title of item */
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title: string;
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/** Publication date of item */
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pubDate: Date;
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/** Item description */
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description?: string;
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/** Full content of the item, should be valid HTML */
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content?: string;
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/** Append some other XML-valid data to this item */
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customData?: string;
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};
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```
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### drafts
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### drafts
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@ -202,6 +185,141 @@ export const get = () => rss({
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});
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});
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```
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```
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## `RSSFeedItem`
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An `RSSFeedItem` is a single item in the list of items in your feed. It represents a story, with `link`, `title`, and `pubDate` fields. There are further optional fields defined below. You can also check the definitions for the fields in the [RSS spec](https://validator.w3.org/feed/docs/rss2.html#ltpubdategtSubelementOfLtitemgt).
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An example feed item might look like:
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```js
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const item = {
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title: "Alpha Centauri: so close you can touch it",
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link: "/blog/alpha-centuari",
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pubDate: new Date("2023-06-04"),
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description: "Alpha Centauri is a triple star system, containing Proxima Centauri, the closest star to our sun at only 4.24 light-years away.",
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categories: ["stars", "space"]
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}
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```
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### `title`
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Type: `string (required)`
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The title of the item in the feed.
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### `link`
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Type: `string (required)`
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The URL of the item on the web.
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### `pubDate`
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Type: `Date (required)`
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Indicates when the item was published.
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### `description`
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Type: `string (optional)`
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A synopsis of your item when you are publishing the full content of the item in the `content` field. The `description` may alternatively be the full content of the item in the feed if you are not using the `content` field (entity-coded HTML is permitted).
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### `content`
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Type: `string (optional)`
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The full text content of the item suitable for presentation as HTML. If used, you should also provide a short article summary in the `description` field.
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See the [recommendations from the RSS spec for how to use and differentiate between `description` and `content`](https://www.rssboard.org/rss-profile#namespace-elements-content-encoded).
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### `categories`
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Type: `string[] (optional)`
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A list of any tags or categories to categorize your content. They will be output as multiple `<category>` elements.
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### `author`
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Type: `string (optional)`
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The email address of the item author. This is useful for indicating the author of a post on multi-author blogs.
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### `commentsUrl`
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Type: `string (optional)`
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The URL of a web page that contains comments on the item.
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### `source`
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Type: `object (optional)`
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An object that defines the `title` and `url` of the original feed for items that have been republished from another source. Both are required properties of `source` for proper attribution.
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```js
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const item = {
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title: "Alpha Centauri: so close you can touch it",
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link: "/blog/alpha-centuari",
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pubDate: new Date("2023-06-04"),
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description: "Alpha Centauri is a triple star system, containing Proxima Centauri, the closest star to our sun at only 4.24 light-years away.",
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source: {
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title: "The Galactic Times",
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url: "https://galactictimes.space/feed.xml"
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}
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}
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```
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#### `source.title`
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Type: `string (required)`
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The name of the original feed in which the item was published. (Note that this is the feed's title, not the individual article title.)
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#### `source.url`
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Type: `string (required)`
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The URL of the original feed in which the item was published.
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### `enclosure`
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Type: `object (optional)`
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An object to specify properties for an included media source (e.g. a podcast) with three required values: `url`, `length`, and `type`.
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```js
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const item = {
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title: "Alpha Centauri: so close you can touch it",
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link: "/blog/alpha-centuari",
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pubDate: new Date("2023-06-04"),
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description: "Alpha Centauri is a triple star system, containing Proxima Centauri, the closest star to our sun at only 4.24 light-years away.",
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enclosure: {
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url: "/media/alpha-centauri.aac",
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length: 124568,
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type: "audio/aac"
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}
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}
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```
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#### `enclosure.url`
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Type: `string (required)`
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The URL where the media can be found. If the media is hosted outside of your own domain you must provide a full URL.
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#### `enclosure.length`
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Type: `number (required)`
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The size of the file found at the `url` in bytes.
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#### `enclosure.type`
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Type: `string (required)`
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The [MIME type](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types) for the media item found at the `url`.
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## `rssSchema`
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## `rssSchema`
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When using content collections, you can configure your collection schema to enforce expected [`RSSFeedItem`](#items) properties. Import and apply `rssSchema` to ensure that each collection entry produces a valid RSS feed item:
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When using content collections, you can configure your collection schema to enforce expected [`RSSFeedItem`](#items) properties. Import and apply `rssSchema` to ensure that each collection entry produces a valid RSS feed item:
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@ -47,6 +47,16 @@ type RSSFeedItem = {
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customData?: z.infer<typeof rssSchema>['customData'];
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customData?: z.infer<typeof rssSchema>['customData'];
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/** Whether draft or not */
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/** Whether draft or not */
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draft?: z.infer<typeof rssSchema>['draft'];
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draft?: z.infer<typeof rssSchema>['draft'];
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/** Categories or tags related to the item */
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categories?: z.infer<typeof rssSchema>['categories'];
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/** The item author's email address */
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author?: z.infer<typeof rssSchema>['author'];
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/** A URL of a page for comments related to the item */
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commentsUrl?: z.infer<typeof rssSchema>['commentsUrl'];
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/** The RSS channel that the item came from */
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source?: z.infer<typeof rssSchema>['source'];
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/** A media object that belongs to the item */
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enclosure?: z.infer<typeof rssSchema>['enclosure'];
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};
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};
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type ValidatedRSSFeedItem = z.infer<typeof rssFeedItemValidator>;
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type ValidatedRSSFeedItem = z.infer<typeof rssFeedItemValidator>;
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@ -148,6 +158,7 @@ async function generateRSS(rssOptions: ValidatedRSSOptions): Promise<string> {
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// when using `customData`
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// when using `customData`
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// https://github.com/withastro/astro/issues/5794
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// https://github.com/withastro/astro/issues/5794
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suppressEmptyNode: true,
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suppressEmptyNode: true,
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suppressBooleanAttributes: false,
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};
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};
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const parser = new XMLParser(xmlOptions);
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const parser = new XMLParser(xmlOptions);
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const root: any = { '?xml': { '@_version': '1.0', '@_encoding': 'UTF-8' } };
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const root: any = { '?xml': { '@_version': '1.0', '@_encoding': 'UTF-8' } };
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@ -196,7 +207,7 @@ async function generateRSS(rssOptions: ValidatedRSSOptions): Promise<string> {
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const item: any = {
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const item: any = {
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title: result.title,
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title: result.title,
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link: itemLink,
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link: itemLink,
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guid: itemLink,
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guid: { '#text': itemLink, '@_isPermaLink': 'true' },
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};
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};
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if (result.description) {
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if (result.description) {
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item.description = result.description;
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item.description = result.description;
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@ -211,6 +222,30 @@ async function generateRSS(rssOptions: ValidatedRSSOptions): Promise<string> {
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if (typeof result.customData === 'string') {
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if (typeof result.customData === 'string') {
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Object.assign(item, parser.parse(`<item>${result.customData}</item>`).item);
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Object.assign(item, parser.parse(`<item>${result.customData}</item>`).item);
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}
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}
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if (Array.isArray(result.categories)) {
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item.category = result.categories;
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}
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if (typeof result.author === 'string') {
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item.author = result.author;
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}
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if (typeof result.commentsUrl === 'string') {
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item.comments = isValidURL(result.commentsUrl)
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? result.commentsUrl
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: createCanonicalURL(result.commentsUrl, rssOptions.trailingSlash, site).href;
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}
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if (result.source) {
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item.source = parser.parse(
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`<source url="${result.source.url}">${result.source.title}</source>`
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).source;
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}
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if (result.enclosure) {
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const enclosureURL = isValidURL(result.enclosure.url)
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? result.enclosure.url
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: createCanonicalURL(result.enclosure.url, rssOptions.trailingSlash, site).href;
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item.enclosure = parser.parse(
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`<enclosure url="${enclosureURL}" length="${result.enclosure.length}" type="${result.enclosure.type}"/>`
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).enclosure;
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}
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return item;
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return item;
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});
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});
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description: z.string().optional(),
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description: z.string().optional(),
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customData: z.string().optional(),
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customData: z.string().optional(),
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draft: z.boolean().optional(),
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draft: z.boolean().optional(),
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categories: z.array(z.string()).optional(),
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author: z.string().optional(),
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commentsUrl: z.string().optional(),
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source: z.object({ url: z.string().url(), title: z.string() }).optional(),
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enclosure: z
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.object({
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url: z.string(),
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length: z.number().positive().int().finite(),
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type: z.string(),
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})
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.optional(),
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});
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});
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@ -11,6 +11,7 @@ import {
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phpFeedItemWithCustomData,
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phpFeedItemWithCustomData,
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web1FeedItem,
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web1FeedItem,
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web1FeedItemWithContent,
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web1FeedItemWithContent,
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web1FeedItemWithAllData,
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} from './test-utils.js';
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} from './test-utils.js';
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chai.use(chaiPromises);
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chai.use(chaiPromises);
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// note: I spent 30 minutes looking for a nice node-based snapshot tool
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// note: I spent 30 minutes looking for a nice node-based snapshot tool
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// ...and I gave up. Enjoy big strings!
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// ...and I gave up. Enjoy big strings!
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// prettier-ignore
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// prettier-ignore
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const validXmlResult = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItem.title}]]></title><link>${site}${phpFeedItem.link}/</link><guid>${site}${phpFeedItem.link}/</guid><description><![CDATA[${phpFeedItem.description}]]></description><pubDate>${new Date(phpFeedItem.pubDate).toUTCString()}</pubDate></item><item><title><![CDATA[${web1FeedItem.title}]]></title><link>${site}${web1FeedItem.link}/</link><guid>${site}${web1FeedItem.link}/</guid><description><![CDATA[${web1FeedItem.description}]]></description><pubDate>${new Date(web1FeedItem.pubDate).toUTCString()}</pubDate></item></channel></rss>`;
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const validXmlResult = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItem.title}]]></title><link>${site}${phpFeedItem.link}/</link><guid isPermaLink="true">${site}${phpFeedItem.link}/</guid><description><![CDATA[${phpFeedItem.description}]]></description><pubDate>${new Date(phpFeedItem.pubDate).toUTCString()}</pubDate></item><item><title><![CDATA[${web1FeedItem.title}]]></title><link>${site}${web1FeedItem.link}/</link><guid isPermaLink="true">${site}${web1FeedItem.link}/</guid><description><![CDATA[${web1FeedItem.description}]]></description><pubDate>${new Date(web1FeedItem.pubDate).toUTCString()}</pubDate></item></channel></rss>`;
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// prettier-ignore
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// prettier-ignore
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const validXmlWithoutWeb1FeedResult = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItem.title}]]></title><link>${site}${phpFeedItem.link}/</link><guid>${site}${phpFeedItem.link}/</guid><description><![CDATA[${phpFeedItem.description}]]></description><pubDate>${new Date(phpFeedItem.pubDate).toUTCString()}</pubDate></item></channel></rss>`;
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const validXmlWithoutWeb1FeedResult = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItem.title}]]></title><link>${site}${phpFeedItem.link}/</link><guid isPermaLink="true">${site}${phpFeedItem.link}/</guid><description><![CDATA[${phpFeedItem.description}]]></description><pubDate>${new Date(phpFeedItem.pubDate).toUTCString()}</pubDate></item></channel></rss>`;
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// prettier-ignore
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// prettier-ignore
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const validXmlWithContentResult = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItemWithContent.title}]]></title><link>${site}${phpFeedItemWithContent.link}/</link><guid>${site}${phpFeedItemWithContent.link}/</guid><description><![CDATA[${phpFeedItemWithContent.description}]]></description><pubDate>${new Date(phpFeedItemWithContent.pubDate).toUTCString()}</pubDate><content:encoded><![CDATA[${phpFeedItemWithContent.content}]]></content:encoded></item><item><title><![CDATA[${web1FeedItemWithContent.title}]]></title><link>${site}${web1FeedItemWithContent.link}/</link><guid>${site}${web1FeedItemWithContent.link}/</guid><description><![CDATA[${web1FeedItemWithContent.description}]]></description><pubDate>${new Date(web1FeedItemWithContent.pubDate).toUTCString()}</pubDate><content:encoded><![CDATA[${web1FeedItemWithContent.content}]]></content:encoded></item></channel></rss>`;
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const validXmlWithContentResult = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItemWithContent.title}]]></title><link>${site}${phpFeedItemWithContent.link}/</link><guid isPermaLink="true">${site}${phpFeedItemWithContent.link}/</guid><description><![CDATA[${phpFeedItemWithContent.description}]]></description><pubDate>${new Date(phpFeedItemWithContent.pubDate).toUTCString()}</pubDate><content:encoded><![CDATA[${phpFeedItemWithContent.content}]]></content:encoded></item><item><title><![CDATA[${web1FeedItemWithContent.title}]]></title><link>${site}${web1FeedItemWithContent.link}/</link><guid isPermaLink="true">${site}${web1FeedItemWithContent.link}/</guid><description><![CDATA[${web1FeedItemWithContent.description}]]></description><pubDate>${new Date(web1FeedItemWithContent.pubDate).toUTCString()}</pubDate><content:encoded><![CDATA[${web1FeedItemWithContent.content}]]></content:encoded></item></channel></rss>`;
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// prettier-ignore
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// prettier-ignore
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const validXmlWithCustomDataResult = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItemWithCustomData.title}]]></title><link>${site}${phpFeedItemWithCustomData.link}/</link><guid>${site}${phpFeedItemWithCustomData.link}/</guid><description><![CDATA[${phpFeedItemWithCustomData.description}]]></description><pubDate>${new Date(phpFeedItemWithCustomData.pubDate).toUTCString()}</pubDate>${phpFeedItemWithCustomData.customData}</item><item><title><![CDATA[${web1FeedItemWithContent.title}]]></title><link>${site}${web1FeedItemWithContent.link}/</link><guid>${site}${web1FeedItemWithContent.link}/</guid><description><![CDATA[${web1FeedItemWithContent.description}]]></description><pubDate>${new Date(web1FeedItemWithContent.pubDate).toUTCString()}</pubDate><content:encoded><![CDATA[${web1FeedItemWithContent.content}]]></content:encoded></item></channel></rss>`;
|
const validXmlResultWithAllData = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItem.title}]]></title><link>${site}${phpFeedItem.link}/</link><guid isPermaLink="true">${site}${phpFeedItem.link}/</guid><description><![CDATA[${phpFeedItem.description}]]></description><pubDate>${new Date(phpFeedItem.pubDate).toUTCString()}</pubDate></item><item><title><![CDATA[${web1FeedItemWithAllData.title}]]></title><link>${site}${web1FeedItemWithAllData.link}/</link><guid isPermaLink="true">${site}${web1FeedItemWithAllData.link}/</guid><description><![CDATA[${web1FeedItemWithAllData.description}]]></description><pubDate>${new Date(web1FeedItemWithAllData.pubDate).toUTCString()}</pubDate><category>${web1FeedItemWithAllData.categories[0]}</category><category>${web1FeedItemWithAllData.categories[1]}</category><author>${web1FeedItemWithAllData.author}</author><comments>${web1FeedItemWithAllData.commentsUrl}</comments><source url="${web1FeedItemWithAllData.source.url}">${web1FeedItemWithAllData.source.title}</source><enclosure url="${site}${web1FeedItemWithAllData.enclosure.url}" length="${web1FeedItemWithAllData.enclosure.length}" type="${web1FeedItemWithAllData.enclosure.type}"/></item></channel></rss>`;
|
||||||
|
// prettier-ignore
|
||||||
|
const validXmlWithCustomDataResult = `<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link><item><title><![CDATA[${phpFeedItemWithCustomData.title}]]></title><link>${site}${phpFeedItemWithCustomData.link}/</link><guid isPermaLink="true">${site}${phpFeedItemWithCustomData.link}/</guid><description><![CDATA[${phpFeedItemWithCustomData.description}]]></description><pubDate>${new Date(phpFeedItemWithCustomData.pubDate).toUTCString()}</pubDate>${phpFeedItemWithCustomData.customData}</item><item><title><![CDATA[${web1FeedItemWithContent.title}]]></title><link>${site}${web1FeedItemWithContent.link}/</link><guid isPermaLink="true">${site}${web1FeedItemWithContent.link}/</guid><description><![CDATA[${web1FeedItemWithContent.description}]]></description><pubDate>${new Date(web1FeedItemWithContent.pubDate).toUTCString()}</pubDate><content:encoded><![CDATA[${web1FeedItemWithContent.content}]]></content:encoded></item></channel></rss>`;
|
||||||
// prettier-ignore
|
// prettier-ignore
|
||||||
const validXmlWithStylesheet = `<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet href="/feedstylesheet.css"?><rss version="2.0"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link></channel></rss>`;
|
const validXmlWithStylesheet = `<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet href="/feedstylesheet.css"?><rss version="2.0"><channel><title><![CDATA[${title}]]></title><description><![CDATA[${description}]]></description><link>${site}/</link></channel></rss>`;
|
||||||
// prettier-ignore
|
// prettier-ignore
|
||||||
|
|
@ -54,6 +57,17 @@ describe('rss', () => {
|
||||||
chai.expect(body).xml.to.equal(validXmlWithContentResult);
|
chai.expect(body).xml.to.equal(validXmlWithContentResult);
|
||||||
});
|
});
|
||||||
|
|
||||||
|
it('should generate on valid RSSFeedItem array with all RSS content included', async () => {
|
||||||
|
const { body } = await rss({
|
||||||
|
title,
|
||||||
|
description,
|
||||||
|
items: [phpFeedItem, web1FeedItemWithAllData],
|
||||||
|
site,
|
||||||
|
});
|
||||||
|
|
||||||
|
chai.expect(body).xml.to.equal(validXmlResultWithAllData);
|
||||||
|
});
|
||||||
|
|
||||||
it('should generate on valid RSSFeedItem array with custom data included', async () => {
|
it('should generate on valid RSSFeedItem array with custom data included', async () => {
|
||||||
const { body } = await rss({
|
const { body } = await rss({
|
||||||
xmlns: {
|
xmlns: {
|
||||||
|
|
|
||||||
|
|
@ -30,3 +30,18 @@ export const web1FeedItemWithContent = {
|
||||||
...web1FeedItem,
|
...web1FeedItem,
|
||||||
content: `<h1>${web1FeedItem.title}</h1><p>${web1FeedItem.description}</p>`,
|
content: `<h1>${web1FeedItem.title}</h1><p>${web1FeedItem.description}</p>`,
|
||||||
};
|
};
|
||||||
|
export const web1FeedItemWithAllData = {
|
||||||
|
...web1FeedItem,
|
||||||
|
categories: ['web1', 'history'],
|
||||||
|
author: 'test@example.com',
|
||||||
|
commentsUrl: 'http://example.com/comments',
|
||||||
|
source: {
|
||||||
|
url: 'http://example.com/source',
|
||||||
|
title: 'The Web 1.0 blog',
|
||||||
|
},
|
||||||
|
enclosure: {
|
||||||
|
url: '/podcast.mp3',
|
||||||
|
length: 256,
|
||||||
|
type: 'audio/mpeg',
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue