feat(plugin): ShikiCodeblocks (#267)

Co-authored-by: ArjixWasTaken <53124886+ArjixWasTaken@users.noreply.github.com>
Co-authored-by: Ven <vendicated@riseup.net>

30 files changed, 1366 insertions, 34 deletions

diff --git a/src/api/settings.ts b/src/api/settings.ts
index b7c143a..2617903 100644
--- a/src/api/settings.ts
+++ b/src/api/settings.ts
@@ -141,14 +141,19 @@ export const Settings = makeProxy(settings);
  * Settings hook for React components. Returns a smart settings
  * object that automagically triggers a rerender if any properties
  * are altered
+ * @param paths An optional list of paths to whitelist for rerenders
  * @returns Settings
  */
-export function useSettings() {
+export function useSettings(paths?: string[]) {
     const [, forceUpdate] = React.useReducer(() => ({}), {});
 
+    const onUpdate: SubscriptionCallback = paths
+        ? (value, path) => paths.includes(path) && forceUpdate()
+        : forceUpdate;
+
     React.useEffect(() => {
-        subscriptions.add(forceUpdate);
-        return () => void subscriptions.delete(forceUpdate);
+        subscriptions.add(onUpdate);
+        return () => void subscriptions.delete(onUpdate);
     }, []);
 
     return Settings;
diff --git a/src/components/VencordSettings/Updater.tsx b/src/components/VencordSettings/Updater.tsx
index bb344f5..3369069 100644
--- a/src/components/VencordSettings/Updater.tsx
+++ b/src/components/VencordSettings/Updater.tsx
@@ -179,7 +179,7 @@ function Newer(props: CommonProps) {
 }
 
 function Updater() {
-    const [repo, err, repoPending] = useAwaiter(getRepo, "Loading...");
+    const [repo, err, repoPending] = useAwaiter(getRepo, { fallbackValue: "Loading..." });
 
     React.useEffect(() => {
         if (err)
diff --git a/src/components/VencordSettings/VencordTab.tsx b/src/components/VencordSettings/VencordTab.tsx
index 746fcf0..ad8fe14 100644
--- a/src/components/VencordSettings/VencordTab.tsx
+++ b/src/components/VencordSettings/VencordTab.tsx
@@ -27,7 +27,9 @@ import { Button, Card, Forms, Margins, React, Switch } from "@webpack/common";
 const st = (style: string) => `vcSettings${style}`;
 
 function VencordSettings() {
-    const [settingsDir, , settingsDirPending] = useAwaiter(() => VencordNative.ipc.invoke<string>(IpcEvents.GET_SETTINGS_DIR), "Loading...");
+    const [settingsDir, , settingsDirPending] = useAwaiter(() => VencordNative.ipc.invoke<string>(IpcEvents.GET_SETTINGS_DIR), {
+        fallbackValue: "Loading..."
+    });
     const settings = useSettings();
 
     const [donateImage] = React.useState(
diff --git a/src/patcher.ts b/src/patcher.ts
index 0849e5a..0cf7e24 100644
--- a/src/patcher.ts
+++ b/src/patcher.ts
@@ -109,16 +109,36 @@ if (!process.argv.includes("--vanilla")) {
 
 
         // Remove CSP
+        type PolicyResult = Record<string, string[]>;
+
+        const parsePolicy = (policy: string): PolicyResult => {
+            const result: PolicyResult = {};
+            policy.split(";").forEach(directive => {
+                const [directiveKey, ...directiveValue] = directive.trim().split(/\s+/g);
+                if (directiveKey && !Object.prototype.hasOwnProperty.call(result, directiveKey)) {
+                    result[directiveKey] = directiveValue;
+                }
+            });
+            return result;
+        };
+        const stringifyPolicy = (policy: PolicyResult): string =>
+            Object.entries(policy)
+                .filter(([, values]) => values?.length)
+                .map(directive => directive.flat().join(" "))
+                .join("; ");
+
         function patchCsp(headers: Record<string, string[]>, header: string) {
             if (header in headers) {
-                let patchedHeader = headers[header][0];
-                for (const directive of ["style-src", "connect-src", "img-src", "font-src", "media-src"]) {
-                    patchedHeader = patchedHeader.replace(new RegExp(`${directive}.+?;`), `${directive} * blob: data: 'unsafe-inline';`);
+                const csp = parsePolicy(headers[header][0]);
+
+                for (const directive of ["style-src", "connect-src", "img-src", "font-src", "media-src", "worker-src"]) {
+                    csp[directive] = ["*", "blob:", "data:", "'unsafe-inline'"];
                 }
                 // TODO: Restrict this to only imported packages with fixed version.
                 // Perhaps auto generate with esbuild
-                patchedHeader = patchedHeader.replace(/script-src.+?(?=;)/, "$& 'unsafe-eval' https://unpkg.com https://cdnjs.cloudflare.com");
-                headers[header] = [patchedHeader];
+                csp["script-src"] ??= [];
+                csp["script-src"].push("'unsafe-eval'", "https://unpkg.com", "https://cdnjs.cloudflare.com");
+                headers[header] = [stringifyPolicy(csp)];
             }
         }
 
diff --git a/src/plugins/pronoundb/components/PronounsChatComponent.tsx b/src/plugins/pronoundb/components/PronounsChatComponent.tsx
index 9225fc5..ce67754 100644
--- a/src/plugins/pronoundb/components/PronounsChatComponent.tsx
+++ b/src/plugins/pronoundb/components/PronounsChatComponent.tsx
@@ -39,11 +39,10 @@ export default function PronounsChatComponentWrapper({ message }: { message: Mes
 }
 
 function PronounsChatComponent({ message }: { message: Message; }) {
-    const [result, , isPending] = useAwaiter(
-        () => fetchPronouns(message.author.id),
-        null,
-        e => console.error("Fetching pronouns failed: ", e)
-    );
+    const [result, , isPending] = useAwaiter(() => fetchPronouns(message.author.id), {
+        fallbackValue: null,
+        onError: e => console.error("Fetching pronouns failed: ", e)
+    });
 
     // If the promise completed, the result was not "unspecified", and there is a mapping for the code, then return a span with the pronouns
     if (!isPending && result && result !== "unspecified" && PronounMapping[result]) {
diff --git a/src/plugins/pronoundb/components/PronounsProfileWrapper.tsx b/src/plugins/pronoundb/components/PronounsProfileWrapper.tsx
index 9540bb9..79fce23 100644
--- a/src/plugins/pronoundb/components/PronounsProfileWrapper.tsx
+++ b/src/plugins/pronoundb/components/PronounsProfileWrapper.tsx
@@ -45,11 +45,10 @@ function ProfilePronouns(
         leProps: UserProfilePronounsProps;
     }
 ) {
-    const [result, , isPending] = useAwaiter(
-        () => fetchPronouns(userId),
-        null,
-        e => console.error("Fetching pronouns failed: ", e)
-    );
+    const [result, , isPending] = useAwaiter(() => fetchPronouns(userId), {
+        fallbackValue: null,
+        onError: e => console.error("Fetching pronouns failed: ", e),
+    });
 
     // If the promise completed, the result was not "unspecified", and there is a mapping for the code, then render
     if (!isPending && result && result !== "unspecified" && PronounMapping[result]) {
diff --git a/src/plugins/reviewDB/components/ReviewsView.tsx b/src/plugins/reviewDB/components/ReviewsView.tsx
index 999b970..57f974e 100644
--- a/src/plugins/reviewDB/components/ReviewsView.tsx
+++ b/src/plugins/reviewDB/components/ReviewsView.tsx
@@ -18,7 +18,7 @@
 
 import { classes, useAwaiter } from "@utils/misc";
 import { findLazy } from "@webpack";
-import { Forms, Text, UserStore } from "@webpack/common";
+import { Forms, React, Text, UserStore } from "@webpack/common";
 import type { KeyboardEvent } from "react";
 
 import { addReview, getReviews } from "../Utils/ReviewDBAPI";
@@ -27,7 +27,13 @@ import ReviewComponent from "./ReviewComponent";
 const Classes = findLazy(m => typeof m.textarea === "string");
 
 export default function ReviewsView({ userId }: { userId: string; }) {
-    const [reviews, _, isLoading, refetch] = useAwaiter(() => getReviews(userId), []);
+    const [refetchCount, setRefetchCount] = React.useState(0);
+    const [reviews, _, isLoading] = useAwaiter(() => getReviews(userId), {
+        fallbackValue: [],
+        deps: [refetchCount],
+    });
+
+    const dirtyRefetch = () => setRefetchCount(refetchCount + 1);
 
     if (isLoading) return null;
 
@@ -40,7 +46,7 @@ export default function ReviewsView({ userId }: { userId: string; }) {
             }).then(res => {
                 if (res === 0 || res === 1) {
                     (target as HTMLInputElement).value = ""; // clear the input
-                    refetch();
+                    dirtyRefetch();
                 }
             });
         }
@@ -64,7 +70,7 @@ export default function ReviewsView({ userId }: { userId: string; }) {
                     <ReviewComponent
                         key={review.id}
                         review={review}
-                        refetch={refetch}
+                        refetch={dirtyRefetch}
                     />
                 )}
                 {reviews?.length === 0 && (
diff --git a/src/plugins/shikiCodeblocks/api/languages.ts b/src/plugins/shikiCodeblocks/api/languages.ts
new file mode 100644
index 0000000..f14a4dc
--- /dev/null
+++ b/src/plugins/shikiCodeblocks/api/languages.ts
@@ -0,0 +1,74 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { ILanguageRegistration } from "@vap/shiki";
+
+export const VPC_REPO = "Vap0r1ze/vapcord";
+export const VPC_REPO_COMMIT = "88a7032a59cca40da170926651b08201ea3b965a";
+export const vpcRepoAssets = `https://raw.githubusercontent.com/${VPC_REPO}/${VPC_REPO_COMMIT}/assets/shiki-codeblocks`;
+export const vpcRepoGrammar = (fileName: string) => `${vpcRepoAssets}/${fileName}`;
+export const vpcRepoLanguages = `${vpcRepoAssets}/languages.json`;
+
+export interface Language {
+    name: string;
+    id: string;
+    devicon?: string;
+    grammarUrl: string,
+    grammar?: ILanguageRegistration["grammar"];
+    scopeName: string;
+    aliases?: string[];
+    custom?: boolean;
+}
+export interface LanguageJson {
+    name: string;
+    id: string;
+    fileName: string;
+    devicon?: string;
+    scopeName: string;
+    aliases?: string[];
+}
+
+export const languages: Record<string, Language> = {};
+
+export const loadLanguages = async () => {
+    const langsJson: LanguageJson[] = await fetch(vpcRepoLanguages).then(res => res.json());
+    const loadedLanguages = Object.fromEntries(
+        langsJson.map(lang => [lang.id, {
+            ...lang,
+            grammarUrl: vpcRepoGrammar(lang.fileName),
+        }])
+    );
+    Object.assign(languages, loadedLanguages);
+};
+
+export const getGrammar = (lang: Language): Promise<NonNullable<ILanguageRegistration["grammar"]>> => {
+    if (lang.grammar) return Promise.resolve(lang.grammar);
+    return fetch(lang.grammarUrl).then(res => res.json());
+};
+
+const aliasCache = new Map<string, Language>();
+export function resolveLang(idOrAlias: string) {
+    if (Object.prototype.hasOwnProperty.call(languages, idOrAlias)) return languages[idOrAlias];
+
+    const lang = Object.values(languages).find(lang => lang.aliases?.includes(idOrAlias));
+
+    if (!lang) return null;
+
+    aliasCache.set(idOrAlias, lang);
+    return lang;
+}
diff --git a/src/plugins/shikiCodeblocks/api/shiki.ts b/src/plugins/shikiCodeblocks/api/shiki.ts
new file mode 100644
index 0000000..e7691ce
--- /dev/null
+++ b/src/plugins/shikiCodeblocks/api/shiki.ts
@@ -0,0 +1,119 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+
+import { shikiOnigasmSrc, shikiWorkerSrc } from "@utils/dependencies";
+import { WorkerClient } from "@vap/core/ipc";
+import type { IShikiTheme, IThemedToken } from "@vap/shiki";
+
+import { dispatchTheme } from "../hooks/useTheme";
+import type { ShikiSpec } from "../types";
+import { getGrammar, languages, loadLanguages, resolveLang } from "./languages";
+import { themes } from "./themes";
+
+const themeUrls = Object.values(themes);
+
+let resolveClient: (client: WorkerClient<ShikiSpec>) => void;
+
+export const shiki = {
+    client: null as WorkerClient<ShikiSpec> | null,
+    currentTheme: null as IShikiTheme | null,
+    currentThemeUrl: null as string | null,
+    timeoutMs: 10000,
+    languages,
+    themes,
+    loadedThemes: new Set<string>(),
+    loadedLangs: new Set<string>(),
+    clientPromise: new Promise<WorkerClient<ShikiSpec>>(resolve => resolveClient = resolve),
+
+    init: async (initThemeUrl: string | undefined) => {
+        /** https://stackoverflow.com/q/58098143 */
+        const workerBlob = await fetch(shikiWorkerSrc).then(res => res.blob());
+
+        const client = shiki.client = new WorkerClient<ShikiSpec>(
+            "shiki-client",
+            "shiki-host",
+            workerBlob,
+            { name: "ShikiWorker" },
+        );
+        await client.init();
+
+        const themeUrl = initThemeUrl || themeUrls[0];
+
+        await loadLanguages();
+        await client.run("setOnigasm", { wasm: shikiOnigasmSrc });
+        await client.run("setHighlighter", { theme: themeUrl, langs: [] });
+        shiki.loadedThemes.add(themeUrl);
+        await shiki._setTheme(themeUrl);
+        resolveClient(client);
+    },
+    _setTheme: async (themeUrl: string) => {
+        shiki.currentThemeUrl = themeUrl;
+        const { themeData } = await shiki.client!.run("getTheme", { theme: themeUrl });
+        shiki.currentTheme = JSON.parse(themeData);
+        dispatchTheme({ id: themeUrl, theme: shiki.currentTheme });
+    },
+    loadTheme: async (themeUrl: string) => {
+        const client = await shiki.clientPromise;
+        if (shiki.loadedThemes.has(themeUrl)) return;
+
+        await client.run("loadTheme", { theme: themeUrl });
+
+        shiki.loadedThemes.add(themeUrl);
+    },
+    setTheme: async (themeUrl: string) => {
+        await shiki.clientPromise;
+        themeUrl ||= themeUrls[0];
+        if (!shiki.loadedThemes.has(themeUrl)) await shiki.loadTheme(themeUrl);
+
+        await shiki._setTheme(themeUrl);
+    },
+    loadLang: async (langId: string) => {
+        const client = await shiki.clientPromise;
+        const lang = resolveLang(langId);
+
+        if (!lang || shiki.loadedLangs.has(lang.id)) return;
+
+        await client.run("loadLanguage", {
+            lang: {
+                ...lang,
+                grammar: lang.grammar ?? await getGrammar(lang),
+            }
+        });
+        shiki.loadedLangs.add(lang.id);
+    },
+    tokenizeCode: async (code: string, langId: string): Promise<IThemedToken[][]> => {
+        const client = await shiki.clientPromise;
+        const lang = resolveLang(langId);
+        if (!lang) return [];
+
+        if (!shiki.loadedLangs.has(lang.id)) await shiki.loadLang(lang.id);
+
+        return await client.run("codeToThemedTokens", {
+            code,
+            lang: langId,
+            theme: shiki.currentThemeUrl ?? themeUrls[0],
+        });
+    },
+    destroy() {
+        shiki.currentTheme = null;
+        shiki.currentThemeUrl = null;
+        dispatchTheme({ id: null, theme: null });
+        shiki.client?.destroy();
+    }
+};
diff --git a/src/plugins/shikiCodeblocks/api/themes.ts b/src/plugins/shikiCodeblocks/api/themes.ts
new file mode 100644
index 0000000..f31ce60
--- /dev/null
+++ b/src/plugins/shikiCodeblocks/api/themes.ts
@@ -0,0 +1,67 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { IShikiTheme } from "@vap/shiki";
+
+export const SHIKI_REPO = "shikijs/shiki";
+export const SHIKI_REPO_COMMIT = "0b28ad8ccfbf2615f2d9d38ea8255416b8ac3043";
+export const shikiRepoTheme = (name: string) => `https://raw.githubusercontent.com/${SHIKI_REPO}/${SHIKI_REPO_COMMIT}/packages/shiki/themes/${name}.json`;
+
+export const themes = {
+    // Default
+    DarkPlus: shikiRepoTheme("dark-plus"),
+
+    // Dev Choices
+    MaterialCandy: "https://raw.githubusercontent.com/millsp/material-candy/master/material-candy.json",
+
+    // More from Shiki repo
+    DraculaSoft: shikiRepoTheme("dracula-soft"),
+    Dracula: shikiRepoTheme("dracula"),
+    GithubDarkDimmed: shikiRepoTheme("github-dark-dimmed"),
+    GithubDark: shikiRepoTheme("github-dark"),
+    GithubLight: shikiRepoTheme("github-light"),
+    LightPlus: shikiRepoTheme("light-plus"),
+    MaterialDarker: shikiRepoTheme("material-darker"),
+    MaterialDefault: shikiRepoTheme("material-default"),
+    MaterialLighter: shikiRepoTheme("material-lighter"),
+    MaterialOcean: shikiRepoTheme("material-ocean"),
+    MaterialPalenight: shikiRepoTheme("material-palenight"),
+    MinDark: shikiRepoTheme("min-dark"),
+    MinLight: shikiRepoTheme("min-light"),
+    Monokai: shikiRepoTheme("monokai"),
+    Nord: shikiRepoTheme("nord"),
+    OneDarkPro: shikiRepoTheme("one-dark-pro"),
+    Poimandres: shikiRepoTheme("poimandres"),
+    RosePineDawn: shikiRepoTheme("rose-pine-dawn"),
+    RosePineMoon: shikiRepoTheme("rose-pine-moon"),
+    RosePine: shikiRepoTheme("rose-pine"),
+    SlackDark: shikiRepoTheme("slack-dark"),
+    SlackOchin: shikiRepoTheme("slack-ochin"),
+    SolarizedDark: shikiRepoTheme("solarized-dark"),
+    SolarizedLight: shikiRepoTheme("solarized-light"),
+    VitesseDark: shikiRepoTheme("vitesse-dark"),
+    VitesseLight: shikiRepoTheme("vitesse-light"),
+    CssVariables: shikiRepoTheme("css-variables"),
+};
+
+export const themeCache = new Map<string, IShikiTheme>();
+
+export const getTheme = (url: string): Promise<IShikiTheme> => {
+    if (themeCache.has(url)) return Promise.resolve(themeCache.get(url)!);
+    return fetch(url).then(res => res.json());
+};
diff --git a/src/plugins/shikiCodeblocks/components/ButtonRow.tsx b/src/plugins/shikiCodeblocks/components/ButtonRow.tsx
new file mode 100644
index 0000000..e73eb72
--- /dev/null
+++ b/src/plugins/shikiCodeblocks/components/ButtonRow.tsx
@@ -0,0 +1,46 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { Clipboard } from "@webpack/common";
+
+import { cl } from "../utils/misc";
+import { CopyButton } from "./CopyButton";
+
+export interface ButtonRowProps {
+    theme: import("./Highlighter").ThemeBase;
+    content: string;
+}
+
+export function ButtonRow({ content, theme }: ButtonRowProps) {
+    const buttons: JSX.Element[] = [];
+
+    if (Clipboard.SUPPORTS_COPY) {
+        buttons.push(
+            <CopyButton
+                content={content}
+                className={cl("btn")}
+                style={{
+                    backgroundColor: theme.accentBgColor,
+                    color: theme.accentFgColor,
+                }}
+            />
+        );
+    }
+
+    return <div className={cl("btns")}>{buttons}</div>;
+}
diff --git a/src/plugins/shikiCodeblocks/components/Code.tsx b/src/plugins/shikiCodeblocks/components/Code.tsx
new file mode 100644
index 0000000..ae41113
--- /dev/null
+++ b/src/plugins/shikiCodeblocks/components/Code.tsx
@@ -0,0 +1,92 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import type { IThemedToken } from "@vap/shiki";
+
+import { cl } from "../utils/misc";
+import { ThemeBase } from "./Highlighter";
+
+export interface CodeProps {
+    theme: ThemeBase;
+    useHljs: boolean;
+    lang?: string;
+    content: string;
+    tokens: IThemedToken[][] | null;
+}
+
+export const Code = ({
+    theme,
+    useHljs,
+    lang,
+    content,
+    tokens,
+}: CodeProps) => {
+    let lines!: JSX.Element[];
+
+    if (useHljs) {
+        try {
+            const { value: hljsHtml } = hljs.highlight(lang!, content, true);
+            lines = hljsHtml
+                .split("\n")
+                .map((line, i) => <span key={i} dangerouslySetInnerHTML={{ __html: line }} />);
+        } catch {
+            lines = content.split("\n").map(line => <span>{line}</span>);
+        }
+    } else {
+        const renderTokens =
+            tokens ??
+            content
+                .split("\n")
+                .map(line => [{ color: theme.plainColor, content: line } as IThemedToken]);
+
+        lines = renderTokens.map(line => {
+            // [Cynthia] this makes it so when you highlight the codeblock
+            // empty lines are also selected and copied when you Ctrl+C.
+            if (line.length === 0) {
+                return <span>{"\n"}</span>;
+            }
+
+            return (
+                <>
+                    {line.map(({ content, color, fontStyle }, i) => (
+                        <span
+                            key={i}
+                            style={{
+                                color,
+                                fontStyle: (fontStyle ?? 0) & 1 ? "italic" : undefined,
+                                fontWeight: (fontStyle ?? 0) & 2 ? "bold" : undefined,
+                                textDecoration: (fontStyle ?? 0) & 4 ? "underline" : undefined,
+                            }}
+                        >
+                            {content}
+                        </span>
+                    ))}
+                </>
+            );
+        });
+    }
+
+    const codeTableRows = lines.map((line, i) => (
+        <tr key={i}>
+            <td style={{ color: theme.plainColor }}>{i + 1}</td>
+            <td>{line}</td>
+        </tr>
+    ));
+
+    return <table className={cl("table")}>{...codeTableRows}</table>;
+};
diff --git a/src/plugins/shikiCodeblocks/components/CopyButton.tsx b/src/plugins/shikiCodeblocks/components/CopyButton.tsx
new file mode 100644
index 0000000..153b3cd
--- /dev/null
+++ b/src/plugins/shikiCodeblocks/components/CopyButton.tsx
@@ -0,0 +1,41 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyright (c) 2022 Vendicated and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import { useCopyCooldown } from "../hooks/useCopyCooldown";
+
+export interface CopyButtonProps extends React.DetailedHTMLProps<React.ButtonHTMLAttributes<HTMLButtonElement>, HTMLButtonElement> {
+    content: string;
+}
+
+export function CopyButton({ content, ...props }: CopyButtonProps) {
+    const [copyCooldown, copy] = useCopyCooldown(1000);
+
+    return (
+        <button
+            {...props}
+            style={{
+                ...props.style,
+                cursor: copyCooldown ? "default" : undefined,
+            }}
+            onClick={() => copy(content)}
+        >
+            {copyCooldown ? "Copied!" : "Copy"}
+        </button>
+
+    );
+}
diff --git a/src/plugins/shikiCodeblocks/components/Header.tsx b/src/plugins/shikiCodeblocks/components/Header.tsx
new file mode 100644
index 0000000..c2db386
--- /dev/null
+++ b/src/plugins/shikiCodeblocks/components/Header.tsx
@@ -0,0 +1,42 @@
+/*
+ * Vencord, a modification for Discord's desktop app
+ * Copyrigh