smaller_gerritbot_comments.js
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Authored by JMeybohm on Jun 23 2020, 7:55 AM.

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	F45167515: smaller_gerritbot_comments.js
	Mon, Apr 8, 8:39 AM

	F45166635: smaller_gerritbot_comments.js
	Mon, Apr 8, 8:33 AM

	F45166575: smaller_gerritbot_comments.js
	Mon, Apr 8, 8:32 AM

	F43315569: smaller_gerritbot_comments.js
	Mon, Mar 25, 10:18 AM

	F37112872: smaller_gerritbot_comments.js
	Jun 22 2023, 4:22 PM

	F37112864: smaller_gerritbot_comments.js
	Jun 22 2023, 4:02 PM

	F34259389: smaller_gerritbot_comments.js
	Apr 6 2021, 12:23 PM

	F31943340: raw.txt
	Jul 21 2020, 4:56 PM

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	// ==UserScript==
	// @name Smaller bot comments
	// @version 6
	// @description Changes bot comments into one-liners.
	// @downloadURL https://phabricator.wikimedia.org/paste/raw/11638/
	// @match https://phabricator.wikimedia.org/*
	// @grant none
	// ==/UserScript==

	const gitlabUrl = "https://gitlab.wikimedia.org/repos/"
	const olderHidden = document.getElementsByClassName("phui-timeline-older-transactions-are-hidden");

	// This MutationObserver is used to monitor the removal of the
	// "Show Older Changes" banner which will get removed from DOM after
	// all older changes have been loaded and added.
	function handleMutation(mutationsList, observer) {
	mutationsList.forEach(mutation => {
	mutation.removedNodes.forEach(node => {
	// Check if the removed node is the show-older-block
	if (node.getAttribute('data-sigil') === 'show-older-block') {
	main();
	}
	});
	});
	}

	function getCleanTitle(me) {
	// Remove the text node: "added a comment."
	title = me.querySelector(".phui-timeline-title")
	title.childNodes.forEach(n => {
	if (n.nodeType == 3) {
	n.remove()
	}
	});
	return title
	}

	function handleGerritbot(me) {
	content = me.querySelectorAll(".phabricator-remarkup p")
	if (content[0].textContent.includes(gitlabUrl)) {
	// gerritbot seems to have handled gitlab changes in the past
	return handleCodeReviewBot(me)
	} else {
	// Comments from gerrit changes
	lastIDX = content.length - 1
	link = content[lastIDX].children[0]
	text = []
	content.forEach(function(e, i){
	if (i < lastIDX) {
	text = text.concat(e.textContent.split('\n'))
	}
	})
	textContent = text[0].trim()
	textTooltip = text[1].trim()

	changeId = textContent.match(/^Change #?(\d+)/)[1]
	newText = textContent.replace(/^Change #?\d+ (.*):$/, '$1')
	link.text = changeId
	// Add repo name and commit message as title for the changeId link
	link.setAttribute('title', textTooltip)

	title = getCleanTitle(me)
	title.append(": Change ", link, " ", newText)
	return true
	}
	}

	function handleCodeReviewBot(me) {
	content = me.querySelectorAll(".phabricator-remarkup p")

	// Comments from gitlab changes
	link = content[0].querySelector(".remarkup-link")
	actionLine = content[0].textContent.replace(link.href, "").trim().split(" ")
	action = actionLine.pop()
	user = actionLine.join(" ")

	// Remove the gitlab base URL from link rext
	link.text = link.href.replace(gitlabUrl, "")
	// Add the commit message as title for the link
	link.setAttribute('title', content[1].textContent)

	title = getCleanTitle(me)
	title.append(": MR ", link, " ", action, " by ", user)

	return true
	}


	function handleStashbot(me) {
	content = me.querySelector(".phabricator-remarkup p")

	salSpan = content.querySelector("span")
	ircChannel = salSpan.textContent.match(/.*$(#\S+)$/)[1]
	salURL = salSpan.querySelector("a").href
	salSpan.remove()

	salLink = document.createElement("a")
	salLink.setAttribute("href", salURL)
	salLink.setAttribute("target", "_blank")
	salLink.text = ircChannel

	title = getCleanTitle(me)
	title.append(" ", salLink, ": ")

	// remove the timestamp from text node
	content.childNodes.forEach(n => {
	if (n.nodeType == 3) {
	n.textContent = n.textContent.trimLeft().replace(/\[[\d-TZ:]+\] /, '')
	}
	})
	title.append(...content.childNodes)

	return true
	}

	function main() {
	const majorEvents = document.querySelectorAll(".phui-timeline-major-event")
	majorEvents.forEach(me => {
	let modified = false

	if (me.querySelector(".phui-handle").text == 'gerritbot') {
	modified = handleGerritbot(me)
	}

	if (me.querySelector(".phui-handle").text == 'Stashbot') {
	modified = handleStashbot(me)
	}

	if (me.querySelector(".phui-handle").text == 'CodeReviewBot') {
	modified = handleCodeReviewBot(me)
	}

	if (modified) {
	// remove the "quote" menu on the right
	me.querySelector(".phui-timeline-menu").remove()
	// remove the original comment content
	me.querySelector(".phui-timeline-core-content").remove()
	// make this event minor (one-liner)
	me.classList.replace("phui-timeline-major-event", "phui-timeline-minor-event")
	}
	});
	}

	// Remove irrelevant stuff from page title
	// ⚓ T307943
	document.title = document.title.replace(/⚓ T\d+ /, "");
	// Run the main function
	main();

	// Register observers to watch for loading of older events
	// which might happen on click or when a anchor to an older
	// event is in the URL.
	if (olderHidden.length > 0) {
	const observer = new MutationObserver(handleMutation);
	const observerConfig = { childList: true };
	for (let ohb of olderHidden) {
	observer.observe(ohb.parentNode, observerConfig);
	}
	}