GitHub Indent Comment Blocks

A userscript that allows you to indent & outdent blocks in the comment editor

Verze ze dne 09. 04. 2018. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        GitHub Indent Comment Blocks
// @version     1.0.9
// @description A userscript that allows you to indent & outdent blocks in the comment editor
// @license     MIT
// @author      Rob Garrison
// @namespace   https://github.com/Mottie
// @include     https://github.com/*
// @include     https://gist.github.com/*
// @run-at      document-idle
// @grant       GM_addStyle
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_registerMenuCommand
// @connect     github.com
// @require     https://greatest.deepsurf.us/scripts/28721-mutations/code/mutations.js?version=264157
// @require     https://greatest.deepsurf.us/scripts/28239-rangy-inputs-mod-js/code/rangy-inputs-modjs.js?version=181769
// @icon        https://assets-cdn.github.com/pinned-octocat.svg
// ==/UserScript==
(() => {
	"use strict";

	let spaceSize = GM_getValue("space-size", 2);

	const icons = {
		indent: `
			<svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="12" height="16" viewBox="0 0 12 16">
				<path d="M12 13c0 .6 0 1-.9 1H.9c-.9 0-.9-.4-.9-1s0-1 .9-1h10.2c.88 0 .88.4.88 1zM.92 4h10.2C12 4 12 3.6 12 3s0-1-.9-1H.92c-.9 0-.9.4-.9 1s0 1 .9 1zM11.5 7h-5C6 7 6 7.4 6 8s0 1 .5 1h5c.5 0 .5-.4.5-1s0-1-.5-1zm-7 1L0 5v6z"/>
			</svg>`,
		outdent: `
			<svg class="octicon" xmlns="http://www.w3.org/2000/svg" width="12" height="16" viewBox="0 0 12 16">
				<path d="M12 13c0 .6 0 1-.9 1H.9c-.9 0-.9-.4-.9-1s0-1 .9-1h10.2c.88 0 .88.4.88 1zM.92 4h10.2C12 4 12 3.6 12 3s0-1-.9-1H.92c-.9 0-.9.4-.9 1s0 1 .9 1zm10.7 3H6.4c-.46 0-.4.4-.4 1s-.06 1 .4 1h5.2c.47 0 .4-.4.4-1s.07-1-.4-1zM0 8l4.5-3v6z"/>
			</svg>`
	};

	GM_addStyle(".ghio-in-outdent * { pointer-events:none; }");

	// Add indent & outdent buttons
	function addButtons() {
		createButton("Outdent");
		createButton("Indent");
	}

	function createButton(name) {
		const toolbars = $$(".toolbar-commenting"),
			nam = name.toLowerCase(),
			button = document.createElement("button");
		let el,
			indx = toolbars.length;
		if (indx) {
			button.type = "button";
			button.className = `ghio-${nam.toLowerCase()} ghio-in-outdent toolbar-item tooltipped tooltipped-n`;
			button.setAttribute("aria-label", `${name} Selected Text`);
			button.setAttribute("tabindex", "-1");
			button.innerHTML = icons[nam.toLowerCase()];
			while (indx--) {
				el = toolbars[indx];
				if (!$(`.ghio-${nam.toLowerCase()}`, el)) {
					el.insertBefore(button.cloneNode(true), el.childNodes[0]);
				}
			}
		}
	}

	function indent(text) {
		let result = [],
			block = new Array(parseInt(spaceSize, 10) + 1).join(" ");
		(text || "").split(/\r*\n/).forEach(line => {
			result.push(block + line);
		});
		return result.join("\n");
	}

	function outdent(text) {
		let regex = new RegExp(`^(\x20{1,${spaceSize}}|\xA0{1,${spaceSize}}|\x09)`),
			result = [];
		(text || "").split(/\r*\n/).forEach(line => {
			result.push(line.replace(regex, ""));
		});
		return result.join("\n");
	}

	function addBindings() {
		window.rangyInput.init();
		saveTabSize();
		$("body").addEventListener("click", event => {
			let textarea,
				target = event.target;
			if (target && target.classList.contains("ghio-in-outdent")) {
				textarea = closest(".previewable-comment-form", target);
				textarea = $(".comment-form-textarea", textarea);
				textarea.focus();
				setTimeout(() => {
					window.rangyInput.indentSelectedText(
						textarea,
						target.classList.contains("ghio-indent") ? indent : outdent
					);
				}, 100);
				return false;
			}
		});
		// Add Tab & Shift + Tab
		$("body").addEventListener("keydown", event => {
			if (event.key === "Tab") {
				let target = event.target;
				if (target && target.classList.contains("comment-form-textarea")) {
					event.preventDefault();
					target.focus();
					setTimeout(() => {
						window.rangyInput.indentSelectedText(
							target,
							// shift + tab = outdent
							event.getModifierState("Shift") ? outdent : indent
						);
					}, 100);
				}
			}
		});
	}

	function saveTabSize() {
		let $el = $(".gh-indent-size");
		if (!$el) {
			$el = document.createElement("style");
			$el.setAttribute("rel", "stylesheet");
			$el.className = "gh-indent-size";
			document.querySelector("head").appendChild($el);
		}
		$el.innerHTML = `.comment-form-textarea { tab-size:${spaceSize}; }`;
	}

	function $(selector, el) {
		return (el || document).querySelector(selector);
	}

	function $$(selector, el) {
		return Array.from((el || document).querySelectorAll(selector));
	}

	function closest(selector, el) {
		while (el && el.nodeType === 1) {
			if (el.matches(selector)) {
				return el;
			}
			el = el.parentNode;
		}
		return null;
	}

	// Add GM options
	GM_registerMenuCommand(
		"Indent or outdent size",
		() => {
			const spaces = GM_getValue("indentOutdentSize", spaceSize);
			let val = prompt("Enter number of spaces to indent or outdent:", spaces);
			if (val !== null && typeof val === "string") {
				spaceSize = val;
				GM_setValue("space-size", val);
				saveTabSize();
			}
		}
	);

	document.addEventListener("ghmo:container", addButtons);
	addBindings();
	addButtons();
})();