A userscript that adds a button to insert a details block into comments
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// ==UserScript==
// @name GitHub Issue Add Details
// @version 1.0.8
// @description A userscript that adds a button to insert a details block into comments
// @license MIT
// @author Rob Garrison
// @namespace https://github.com/Mottie
// @include https://github.com/*
// @run-at document-idle
// @grant none
// @require https://greatest.deepsurf.us/scripts/28721-mutations/code/mutations.js?version=882023
// @require https://greatest.deepsurf.us/scripts/28239-rangy-inputs-mod-js/code/rangy-inputs-modjs.js?version=181769
// @icon https://github.githubassets.com/pinned-octocat.svg
// ==/UserScript==
(() => {
"use strict";
const icon = `
<svg class="octicon" style="pointer-events:none" xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
<path d="M15.5 9h-7C8 9 8 8.6 8 8s0-1 .5-1h7c.5 0 .5.4.5 1s0 1-.5 1zm-5-5c-.5 0-.5-.4-.5-1s0-1 .5-1h5c.5 0 .5.4.5 1s0 1-.5 1h-5zM0 2h8L4 7 0 2zm8.5 10h7c.5 0 .5.4.5 1s0 1-.5 1h-7c-.5 0-.5-.4-.5-1s0-1 .5-1z"/>
</svg>`,
detailsBlock = [
// start details block
"<details>\n<summary>Title</summary>\n\n<!-- leave a blank line above -->\n",
// selected content/caret will be placed here
"\n</details>\n"
];
// Add insert details button
function addDetailsButton() {
const button = document.createElement("button");
button.type = "button";
button.className = "ghad-details toolbar-item tooltipped tooltipped-n";
button.setAttribute("aria-label", "Add a details/summary block");
button.setAttribute("tabindex", "-1");
button.innerHTML = icon;
[...document.querySelectorAll(".toolbar-commenting")].forEach(el => {
if (el && !$(".ghad-details", el)) {
const btn = $("[aria-label='Add a task list']", el);
btn.parentNode.insertBefore(button.cloneNode(true), btn.nextSibling);
}
});
}
function addBindings() {
window.rangyInput.init();
$("body").addEventListener("click", event => {
const target = event.target;
if (target && target.classList.contains("ghad-details")) {
let textarea = target.closest(".previewable-comment-form");
textarea = $(".comment-form-textarea", textarea);
textarea.focus();
window.rangyInput.surroundSelectedText(
textarea,
detailsBlock[0], // prefix
detailsBlock[1] // suffix
);
return false;
}
});
}
function $(str, el) {
return (el || document).querySelector(str);
}
document.addEventListener("ghmo:container", addDetailsButton);
document.addEventListener("ghmo:comments", addDetailsButton);
addDetailsButton();
addBindings();
})();