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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,213 @@ | ||
| import fs from 'node:fs/promises'; | ||
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| import xml2js from 'xml2js'; | ||
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| import stringify from '../lib/stringify-and-order-properties.js'; | ||
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| import { createOrUpdateBrowserEntry, updateBrowserEntry } from './utils'; | ||
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| const USER_AGENT = | ||
| 'MDN-Browser-Release-Update-Bot/1.0 (+https://developer.mozilla.org/)'; | ||
|
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| interface RSSItem { | ||
| title: string; | ||
| pubDate: string; | ||
| description: string; | ||
| link: string; | ||
| } | ||
|
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| interface Release { | ||
| version: string; | ||
| date: string; | ||
| releaseNote: string; | ||
| channel: 'current'; | ||
| engine: 'Blink'; | ||
| engineVersion: string; | ||
| } | ||
|
|
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| /** | ||
| * Fetches an RSS feed, using a typical RSS user agent. | ||
| * @param url The URL of the RSS feed. | ||
| * @returns Promise | ||
| */ | ||
| const fetchRSS = async (url: string) => { | ||
| const response = await fetch(url, { | ||
| headers: { | ||
| 'User-Agent': USER_AGENT, | ||
| }, | ||
| }); | ||
|
|
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| if (!response.ok) { | ||
| throw new Error(`HTTP ${response.status}`); | ||
| } | ||
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| return await response.text(); | ||
| }; | ||
|
|
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| /** | ||
| * Parses an RSS feed into a JSON object. | ||
| * @param rssText The content of the RSS feed. | ||
| * @returns the RSS items. | ||
| */ | ||
| const parseRSS = async (rssText: string): Promise<RSSItem[]> => { | ||
| const parser = new xml2js.Parser({ explicitArray: false }); | ||
|
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| const result = await parser.parseStringPromise(rssText); | ||
|
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| return result.rss.channel.item; | ||
| }; | ||
|
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| /** | ||
| * Fetches and parses an RSS feed. | ||
| * @param url The URL of the RSS feed. | ||
| * @returns the RSS items. | ||
| */ | ||
| const getRSSItems = async (url): Promise<RSSItem[]> => { | ||
| const rssText = await fetchRSS(url); | ||
| const items = await parseRSS(rssText); | ||
|
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| return Array.isArray(items) ? items : [items]; | ||
| }; | ||
|
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| /** | ||
| * Extracts the latest release from the items. | ||
| * @param items | ||
| * @param versionPattern | ||
| * @param engineVersionPattern | ||
| * @returns the latest release, if found, otherwise null. | ||
| */ | ||
| const findRelease = ( | ||
| items: RSSItem[], | ||
| versionPattern: RegExp, | ||
| engineVersionPattern: RegExp, | ||
| ): Release | null => { | ||
| const item = items.find( | ||
| (item) => | ||
| versionPattern.test(item.title) && | ||
| engineVersionPattern.test(item.description), | ||
| ); | ||
|
|
||
| if (!item) { | ||
| return null; | ||
| } | ||
|
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| const version = (item.title.match(versionPattern) as RegExpMatchArray)[1]; | ||
| const date = new Date(item.pubDate).toISOString().split('T')[0]; | ||
| const releaseNote = item.link; | ||
| const engineVersion = ( | ||
| item.description.match(engineVersionPattern) as RegExpMatchArray | ||
| )[1]; | ||
|
|
||
| return { | ||
| version, | ||
| date, | ||
| releaseNote, | ||
| channel: 'current', | ||
| engine: 'Blink', | ||
| engineVersion, | ||
| }; | ||
| }; | ||
|
|
||
| /** | ||
| * Converts a message into a GFM Markdown warning. | ||
| * @param message the message of the warning. | ||
| * @returns the message as a GFM warning. | ||
| */ | ||
| const warn = (message: string) => | ||
| `> [!WARN]\n${message | ||
| .split('\n') | ||
| .map((line) => `> ${line}`) | ||
| .join('\n')}`; | ||
|
|
||
| /** | ||
| * Updates the JSON files listing the Opera browser releases. | ||
| * @param options The list of options for this type of Safari. | ||
| * @returns The log of what has been generated (empty if nothing) | ||
| */ | ||
| export const updateOperaReleases = async (options) => { | ||
| const browser = options.bcdBrowserName; | ||
|
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| const isDesktop = browser === 'opera'; | ||
|
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| let result = ''; | ||
|
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| const items = await getRSSItems(options.releaseFeedURL); | ||
| const release = findRelease( | ||
| items, | ||
| options.titleVersionPattern, | ||
| options.descriptionEngineVersionPattern, | ||
| ); | ||
|
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| if (!release) { | ||
| return warn( | ||
| `**${options.browserName}**: No stable release found among ${items.length} items in [this RSS feed](<${options.releaseFeedURL}>)!`, | ||
| ); | ||
| } | ||
|
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| const file = await fs.readFile(`${options.bcdFile}`, 'utf-8'); | ||
| const data = JSON.parse(file.toString()); | ||
|
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| const current = structuredClone( | ||
| data.browsers[browser].releases[release.version], | ||
| ); | ||
|
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| if (isDesktop && !current) { | ||
| return warn( | ||
| `Latest stable **${options.browserName}** release **${release.version}** not yet tracked.`, | ||
| ); | ||
| } | ||
|
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| result += createOrUpdateBrowserEntry( | ||
| data, | ||
| browser, | ||
| release.version, | ||
| release.channel, | ||
| release.engine, | ||
| release.engineVersion, | ||
| release.date, | ||
| release.releaseNote, | ||
| ); | ||
|
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| // Set previous release to "retired". | ||
| const previousVersion = String(Number(release.version) - 1); | ||
| result += updateBrowserEntry( | ||
| data, | ||
| browser, | ||
| previousVersion, | ||
| undefined, | ||
| 'retired', | ||
| undefined, | ||
| undefined, | ||
| ); | ||
|
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| if (isDesktop) { | ||
| // 1. Set next release to "beta". | ||
| result += createOrUpdateBrowserEntry( | ||
| data, | ||
| browser, | ||
| String(Number(release.version) + 1), | ||
| 'beta', | ||
| release.engine, | ||
| String(Number(release.engineVersion) + 1), | ||
| ); | ||
|
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| // 2. Add another release as "nightly". | ||
| result += createOrUpdateBrowserEntry( | ||
| data, | ||
| browser, | ||
| String(Number(release.version) + 2), | ||
| 'nightly', | ||
| release.engine, | ||
| String(Number(release.engineVersion) + 2), | ||
| ); | ||
| } | ||
|
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| await fs.writeFile(`./${options.bcdFile}`, stringify(data) + '\n'); | ||
|
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| // Returns the log | ||
| if (result) { | ||
| result = `### Updates for ${options.browserName}${result}`; | ||
| } | ||
|
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| return result; | ||
| }; |
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