RSS feed for channels
## Issue 3779 RSS feed for channels ## Initial implementation details - RSS only (not atom) - Grabs latest 10 entries (Beamer have concerns) ## Credit Referenced the community version mentioned in 3779
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608a421ce5
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7 changed files with 128 additions and 2 deletions
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@ -53,6 +53,7 @@
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"electron-notarize": "^1.0.0",
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"electron-updater": "^4.2.4",
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"express": "^4.17.1",
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"feed": "^4.2.2",
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"if-env": "^1.0.4",
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"react-datetime-picker": "^3.2.1",
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"react-top-loading-bar": "^2.0.1",
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@ -7,7 +7,7 @@ import React from 'react';
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import classnames from 'classnames';
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import { Menu, MenuButton, MenuList, MenuItem } from '@reach/menu-button';
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import Icon from 'component/common/icon';
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import { generateShareUrl } from 'util/url';
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import { generateShareUrl, generateRssUrl } from 'util/url';
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import { useHistory } from 'react-router';
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import { buildURI, parseURI, COLLECTIONS_CONSTS } from 'lbry-redux';
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@ -103,6 +103,7 @@ function ClaimMenuList(props: Props) {
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}
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const shareUrl: string = generateShareUrl(SHARE_DOMAIN, uri);
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const rssUrl: string = generateRssUrl(SHARE_DOMAIN, uri);
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const isCollectionClaim = claim && claim.value_type === 'collection';
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// $FlowFixMe
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const isPlayable =
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@ -182,6 +183,10 @@ function ClaimMenuList(props: Props) {
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}
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}
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function handleCopyRssLink() {
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navigator.clipboard.writeText(rssUrl);
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}
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function handleCopyLink() {
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navigator.clipboard.writeText(shareUrl);
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}
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@ -350,7 +355,18 @@ function ClaimMenuList(props: Props) {
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)}
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</>
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)}
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<hr className="menu__separator" />
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{isChannelPage && (
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<MenuItem className="comment__menu-option" onSelect={handleCopyRssLink}>
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<div className="menu__link">
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<Icon aria-hidden icon={ICONS.SHARE} />
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{__('Copy RSS URL')}
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</div>
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</MenuItem>
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)}
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<MenuItem className="comment__menu-option" onSelect={handleCopyLink}>
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<div className="menu__link">
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<Icon aria-hidden icon={ICONS.SHARE} />
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@ -147,3 +147,9 @@ export const generateShareUrl = (
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const url = `${domain}/${lbryWebUrl}` + (urlParamsString === '' ? '' : `?${urlParamsString}`);
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return url;
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};
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export const generateRssUrl = (domain, lbryUrl) => {
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const { channelName, channelClaimId } = parseURI(lbryUrl);
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const url = `${domain}/$/rss/@${channelName}/${channelClaimId}`;
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return url;
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};
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@ -9,7 +9,7 @@ const pool = mysql.createPool({
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});
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function queryPool(sql, params) {
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return new Promise(resolve => {
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return new Promise((resolve) => {
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pool.query(sql, params, (error, rows) => {
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if (error) {
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console.log('error', error); // eslint-disable-line
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@ -58,3 +58,21 @@ module.exports.getClaim = async function getClaim(claimName, claimId, channelNam
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return queryPool(sql, params);
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};
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module.exports.getChannelClaim = async function getChannelClaim(channelClaimId) {
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const params = [];
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const select = ['claim_id', 'name', 'title', 'thumbnail_url', 'description'].join(', ');
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const sql = `SELECT ${select} FROM claim WHERE claim_id = "${channelClaimId}"`;
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return queryPool(sql, params);
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};
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module.exports.getClaimsFromChannel = async function getClaimsFromChannel(channelClaimId, count = 10) {
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const params = [];
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const select = ['claim_id', 'name', 'title', 'thumbnail_url', 'description', 'created_at'].join(', ');
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const sort = 'ORDER BY created_at DESC';
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const limit = `LIMIT ${count}`;
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const sql = `SELECT ${select} FROM claim WHERE publisher_id = "${channelClaimId}" ${sort} ${limit}`;
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return queryPool(sql, params);
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};
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@ -1,4 +1,5 @@
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const { getHtml } = require('./html');
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const { getRss } = require('./rss');
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const { generateStreamUrl } = require('../../ui/util/web');
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const fetch = require('node-fetch');
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const Router = require('@koa/router');
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@ -42,6 +43,12 @@ router.get(`/$/stream/:claimName/:claimId`, async (ctx) => {
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ctx.redirect(streamUrl);
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});
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router.get(`/$/rss/:claimName/:claimId`, async (ctx) => {
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const xml = await getRss(ctx);
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ctx.set('Content-Type', 'application/rss+xml');
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ctx.body = xml;
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});
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router.get('*', async (ctx) => {
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const html = await getHtml(ctx);
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ctx.body = html;
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64
web/src/rss.js
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64
web/src/rss.js
Normal file
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@ -0,0 +1,64 @@
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const { URL, SITE_NAME } = require('../../config.js');
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const { getChannelClaim, getClaimsFromChannel } = require('./chainquery');
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const Feed = require('feed').Feed;
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async function getChannelClaimFromChainquery(claimId) {
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const rows = await getChannelClaim(claimId);
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if (rows && rows.length) {
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const claim = rows[0];
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return claim;
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}
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return undefined;
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}
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async function getFeed(channelClaim) {
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const replaceLineFeeds = (str) => str.replace(/(?:\r\n|\r|\n)/g, '<br>');
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const options = {
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title: channelClaim.title + ' on ' + SITE_NAME,
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description: channelClaim.description ? replaceLineFeeds(channelClaim.description) : '',
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link: `${URL}/${channelClaim.name}:${channelClaim.claim_id}`,
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favicon: URL + '/public/favicon.png',
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generator: SITE_NAME + ' RSS Feed',
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image: channelClaim.thumbnail_url,
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author: {
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name: channelClaim.name,
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link: URL + '/' + channelClaim.name + ':' + channelClaim.claim_id,
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},
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};
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const feed = new Feed(options);
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const latestClaims = await getClaimsFromChannel(channelClaim.claim_id, 10);
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latestClaims.forEach((c) => {
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feed.addItem({
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guid: c.claim_id,
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id: c.claim_id,
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title: c.title,
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description: c.description ? replaceLineFeeds(c.description) : '',
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image: c.thumbnail_url,
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link: URL + '/' + c.name + ':' + c.claim_id,
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date: new Date(c.created_at),
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});
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});
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return feed;
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}
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async function getRss(ctx) {
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if (!ctx.params.claimName || !ctx.params.claimId) {
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return 'Invalid URL';
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}
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const channelClaim = await getChannelClaimFromChainquery(ctx.params.claimId);
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if (channelClaim) {
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const feed = await getFeed(channelClaim);
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return feed.rss2();
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}
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return 'Invalid channel';
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}
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module.exports = { getRss };
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14
yarn.lock
14
yarn.lock
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@ -5220,6 +5220,13 @@ fd-slicer@~1.1.0:
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dependencies:
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pend "~1.2.0"
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feed@^4.2.2:
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version "4.2.2"
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resolved "https://registry.yarnpkg.com/feed/-/feed-4.2.2.tgz#865783ef6ed12579e2c44bbef3c9113bc4956a7e"
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integrity sha512-u5/sxGfiMfZNtJ3OvQpXcvotFpYkL0n9u9mM2vkui2nGo8b4wvDkJ8gAkYqbA8QpGyFCv3RK0Z+Iv+9veCS9bQ==
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dependencies:
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xml-js "^1.6.11"
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figgy-pudding@^3.5.1:
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version "3.5.2"
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resolved "https://registry.yarnpkg.com/figgy-pudding/-/figgy-pudding-3.5.2.tgz#b4eee8148abb01dcf1d1ac34367d59e12fa61d6e"
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version "4.0.0"
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resolved "https://registry.yarnpkg.com/xdg-basedir/-/xdg-basedir-4.0.0.tgz#4bc8d9984403696225ef83a1573cbbcb4e79db13"
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xml-js@^1.6.11:
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version "1.6.11"
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resolved "https://registry.yarnpkg.com/xml-js/-/xml-js-1.6.11.tgz#927d2f6947f7f1c19a316dd8eea3614e8b18f8e9"
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integrity sha512-7rVi2KMfwfWFl+GpPg6m80IVMWXLRjO+PxTq7V2CDhoGak0wzYzFgUY2m4XJ47OGdXd8eLE8EmwfAmdjw7lC1g==
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dependencies:
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sax "^1.2.4"
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xmlbuilder@^10.0.0:
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version "10.1.1"
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resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-10.1.1.tgz#8cae6688cc9b38d850b7c8d3c0a4161dcaf475b0"
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