// ==UserScript==
// @name        Slack: Quick Edit Button
// @namespace   Violentmonkey Scripts
// @match       https://app.slack.com/client/*
// @grant       none
// @version     1.1
// @author      GorvGoyl
// @supportURL  https://github.com/gorvGoyl/
// @description Add quick edit button to hover toolbar
// @description 7/9/2024, 9:54:40 PM
// @license MIT
// ==/UserScript==
var sender = "";
// Function to create and insert the button
function insertButton() {
// Check if the button already exists to avoid duplicates
if (isEditPresent()) {
console.debug("btn already present so skipping");
return;
}
// Create the new button element
const newButton = document.createElement("button");
// Set the button classes
newButton.classList.add(
"c-button-unstyled",
"c-icon_button",
"c-icon_button--size_small",
"c-message_actions__button",
"c-icon_button--default",
"custom-edit-button"
);
// Set the SVG content inside the button
newButton.innerHTML = `
<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24">
<path fill="currentColor" d="M5 19h1.425L16.2 9.225L14.775 7.8L5 17.575zm-1 2q-.425 0-.712-.288T3 20v-2.425q0-.4.15-.763t.425-.637L16.2 3.575q.3-.275.663-.425t.762-.15t.775.15t.65.45L20.425 5q.3.275.437.65T21 6.4q0 .4-.138.763t-.437.662l-12.6 12.6q-.275.275-.638.425t-.762.15zM19 6.4L17.6 5zm-3.525 2.125l-.7-.725L16.2 9.225z"/>
</svg>
`;
// Set the onClick behavior
newButton.onclick = async () => {
// Find and click the "more_message_actions" button
const moreActionsButton = document.querySelector(
'button[data-qa="more_message_actions"]'
);
if (moreActionsButton) {
moreActionsButton.click();
const editMessageButton = await getElement(
'button[data-qa="edit_message"]'
);
if (editMessageButton) {
editMessageButton.click();
setTimeout(() => {
getMessageActionsContainer()?.remove();
}, 400);
}
}
};
// Find the "start_thread" button
const startThreadButton = document.querySelector(
'button[data-qa="start_thread"]'
);
// Insert the new button before the "start_thread" button
if (startThreadButton) {
startThreadButton.parentNode.insertBefore(newButton, startThreadButton);
console.debug("btn added");
}
}
function debounce(func, wait) {
let timeout;
return function (...args) {
clearTimeout(timeout);
timeout = setTimeout(() => func.apply(this, args), wait);
};
}
// Function to observe mutations with debounce
function observeMutations(targetNode) {
// console.debug("observeMutations");
const debouncedInsertButton = debounce(insertButton, 50); // 200ms debounce
// Create a mutation observer
const observer = new MutationObserver((mutationsList) => {
for (const mutation of mutationsList) {
if (mutation.type === "childList" || mutation.type === "attributes") {
const messageActionsContainer = getMessageActionsContainer();
if (
messageActionsContainer &&
isSender(messageActionsContainer) &&
!isEditPresent()
) {
debouncedInsertButton();
}
}
}
});
// Configure the observer to watch for changes in the subtree
observer.observe(targetNode, {
attributes: true,
childList: true,
subtree: true,
});
}
function getMessageActionsContainer() {
return document.querySelector(
"div.c-message_actions__container.c-message__actions>div.c-message_actions__group"
);
}
// Find the slack kit list element and add a hover event listener to start observing
async function init() {
const slackKitList = await getElement("div.p-workspace__primary_view_body");
if (slackKitList) {
observeMutations(slackKitList);
} else {
console.error("couldnt find element");
}
}
init();
function isSender(messageActionsContainer) {
if (!sender) {
sender = document
.querySelector('[data-qa="user-button"]')
?.getAttribute("aria-label")
?.replace("User: ", "");
}
if (!sender) {
return;
}
const kitactions = messageActionsContainer?.closest(
"div.c-message_kit__actions"
);
if (!kitactions) {
return false;
}
// if it's the first row
let name = kitactions
?.querySelector('button[data-qa="message_sender_name"]')
?.innerText?.trim();
// if it's the 2nd row
if (!name) {
name = kitactions
?.querySelector("div.c-message_kit__gutter__right>span.offscreen")
?.innerText?.trim();
}
return name == sender;
}
function isEditPresent() {
return document.querySelector("button.custom-edit-button");
}
// helper menthod: get element whenever it becomes available
function getElement(selector) {
return new Promise((resolve, reject) => {
// Check if the element already exists
const element = document.querySelector(selector);
if (element) {
resolve(element);
return;
}
// Create a MutationObserver to listen for changes in the DOM
const observer = new MutationObserver((mutations, observer) => {
// Check for the element again within each mutation
const element = document.querySelector(selector);
if (element) {
observer.disconnect(); // Stop observing
resolve(element);
}
});
// Start observing the document body for child list changes
observer.observe(document.body, { childList: true, subtree: true });
// Set a timeout to reject the promise if the element isn't found within 10 seconds
const timeoutId = setTimeout(() => {
observer.disconnect(); // Ensure to disconnect the observer to prevent memory leaks
resolve(null); // Resolve with null instead of rejecting to indicate the timeout without throwing an error
}, 10000); // 10 seconds
// Ensure that if the element is found and the observer is disconnected, we also clear the timeout
observer.takeRecords().forEach((record) => {
clearTimeout(timeoutId);
});
});
}