From 6ad835d89fe1c90432d35a9e895968cfeb78b753 Mon Sep 17 00:00:00 2001
From: ZhymabekRoman <robanokssamit@yandex.ru>
Date: Tue, 10 Dec 2024 20:54:06 +0500
Subject: [PATCH] feature(shiki): make codeblock text cursor selectable

---
 new-web/src/app.css      |  4 ++
 new-web/svelte.config.js | 96 ++++++++++++++++++++++++++--------------
 2 files changed, 67 insertions(+), 33 deletions(-)

diff --git a/new-web/src/app.css b/new-web/src/app.css
index 41b165a..7561f58 100644
--- a/new-web/src/app.css
+++ b/new-web/src/app.css
@@ -143,4 +143,8 @@ html {
 	html.dark pre.shiki .diff.remove {
 		background-color: hsla(0 62.8% 30.6% / 0.7);
 	}
+
+	pre.shiki code {
+		@apply select-text cursor-text focus:outline-none;
+	}
 }
diff --git a/new-web/svelte.config.js b/new-web/svelte.config.js
index df87e43..5c5a741 100644
--- a/new-web/svelte.config.js
+++ b/new-web/svelte.config.js
@@ -1,11 +1,11 @@
-import { mdsvex, escapeSvelte } from 'mdsvex';
-import rehypeExternalLinks from 'rehype-external-links';
-import { createHighlighter } from 'shiki';
-import adapter from '@sveltejs/adapter-auto';
-import { toHtml } from 'hast-util-to-html';
-import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
-import { h } from 'hastscript';
-import remarkMixtapeEmbed from './src/lib/utils/remark/mixtape-embed.js';
+import { mdsvex, escapeSvelte } from "mdsvex";
+import rehypeExternalLinks from "rehype-external-links";
+import { createHighlighter } from "shiki";
+import adapter from "@sveltejs/adapter-auto";
+import { toHtml } from "hast-util-to-html";
+import { vitePreprocess } from "@sveltejs/vite-plugin-svelte";
+import { h } from "hastscript";
+import remarkMixtapeEmbed from "./src/lib/utils/remark/mixtape-embed.js";
 
 const readySvg =
 	"data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='1em' height='1em' viewBox='0 0 24 24'><path fill='none' stroke='white' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M8.25 7.5V6.108c0-1.135.845-2.098 1.976-2.192q.56-.045 1.124-.08M15.75 18H18a2.25 2.25 0 0 0 2.25-2.25V6.108c0-1.135-.845-2.098-1.976-2.192a48 48 0 0 0-1.123-.08M15.75 18.75v-1.875a3.375 3.375 0 0 0-3.375-3.375h-1.5a1.125 1.125 0 0 1-1.125-1.125v-1.5A3.375 3.375 0 0 0 6.375 7.5H5.25m11.9-3.664A2.25 2.25 0 0 0 15 2.25h-1.5a2.25 2.25 0 0 0-2.15 1.586m5.8 0q.099.316.1.664v.75h-6V4.5q.001-.348.1-.664M6.75 7.5H4.875c-.621 0-1.125.504-1.125 1.125v12c0 .621.504 1.125 1.125 1.125h9.75c.621 0 1.125-.504 1.125-1.125V16.5a9 9 0 0 0-9-9'/></svg>";
@@ -16,9 +16,9 @@ const successSvg =
 export function renderCodeCopyButton(code, options = {}) {
 	const toggleMs = options.toggle || 3000;
 	const button = h(
-		'button',
+		"button",
 		{
-			'data-code': code,
+			"data-code": code,
 			style: `
 				position: absolute;
 				right: 1rem;
@@ -54,11 +54,11 @@ export function renderCodeCopyButton(code, options = {}) {
 					success.style.display = 'none';
 				}, ${toggleMs});
 				window.dispatchEvent(new CustomEvent('toast', { detail: { message: 'Copied to clipboard' } }));
-			`
+			`,
 		},
 		[
-			h('span', {
-				class: 'ready',
+			h("span", {
+				class: "ready",
 				style: `
 					width: 100%;
 					aspect-ratio: 1 / 1;
@@ -68,10 +68,10 @@ export function renderCodeCopyButton(code, options = {}) {
 					background-image: url("${readySvg}");
 					z-index: 99;
 					display: block;
-				`
+				`,
 			}),
-			h('span', {
-				class: 'success',
+			h("span", {
+				class: "success",
 				style: `
 					width: 100%;
 					aspect-ratio: 1 / 1;
@@ -81,9 +81,9 @@ export function renderCodeCopyButton(code, options = {}) {
 					background-image: url("${successSvg}");
 					z-index: 99;
 					display: none;
-				`
-			})
-		]
+				`,
+			}),
+		],
 	);
 
 	return toHtml(button);
@@ -91,35 +91,65 @@ export function renderCodeCopyButton(code, options = {}) {
 
 /** @type {import('mdsvex').MdsvexOptions} */
 const mdsvexOptions = {
-	extensions: ['.md'],
+	extensions: [".md"],
 	remarkPlugins: [remarkMixtapeEmbed],
-	rehypePlugins: [[rehypeExternalLinks, { target: '_blank', rel: ['nofollow'] }]],
+	rehypePlugins: [
+		[rehypeExternalLinks, { target: "_blank", rel: ["nofollow"] }],
+	],
 	highlight: {
-		highlighter: async (code, lang = 'text') => {
+		highlighter: async (code, lang = "text") => {
 			const highlighter = await createHighlighter({
-				themes: ['poimandres'],
-				langs: ['javascript', 'typescript']
+				themes: ["poimandres"],
+				langs: ["javascript", "typescript"],
 			});
-			await highlighter.loadLanguage('javascript', 'typescript');
-			const result = highlighter.codeToHtml(code, {
+			await highlighter.loadLanguage("javascript", "typescript");
+			const result = highlighter.codeToHast(code, {
 				lang,
-				theme: 'poimandres'
+				theme: "poimandres",
+				transformers: [
+					{
+						code(node) {
+							node.properties = {
+								...node.properties,
+								contenteditable: "true",
+								"aria-label": "code",
+								"aria-readonly": "true",
+								inputmode: "none",
+								tabindex: "0",
+								"aria-multiline": "true",
+								"aria-haspopup": "false",
+								"data-gramm": "false",
+								"data-gramm_editor": "false",
+								"data-enable-grammarly": "false",
+								spellcheck: "false",
+								autocorrect: "off",
+								autocapitalize: "none",
+								autocomplete: "off",
+								"data-ms-editor": "false",
+							};
+							return node;
+						},
+					},
+				],
 			});
+			const resultHtml = toHtml(result);
 			const buttonHtml = renderCodeCopyButton(code, { toggle: 1200 });
-			const html = escapeSvelte(`<div class="relative">${buttonHtml}${result}</div>`);
+			const html = escapeSvelte(
+				`<div class="relative">${buttonHtml}${resultHtml}</div>`,
+			);
 			return `{@html \`${html}\` }`;
-		}
-	}
+		},
+	},
 };
 
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
-	extensions: ['.svelte', '.md'],
+	extensions: [".svelte", ".md"],
 	preprocess: [vitePreprocess(), mdsvex(mdsvexOptions)],
 
 	kit: {
-		adapter: adapter()
-	}
+		adapter: adapter(),
+	},
 };
 
 export default config;