Add Unindent

src/unindent/index.ts

@@ -0,0 +1,39 @@
+import { ExtensionWebpackModule, Patch } from "@moonlight-mod/types";
+
+export const patches: Patch[] = [
+  // codeblocks
+  {
+    find: "/^(¯\\\\_\\(ツ\\)_\\/¯)/.exec",
+    replace: {
+      match: /return{lang:(.+?),content:(.+?),inQuote:/,
+      replacement: (_, lang, content) => `const lang=${lang},content=${content};
+return {
+  lang,
+  content:lang.toLowerCase()==="ansi"?content:require("unindent_unindent").default(content),
+  inQuote:`
+    }
+  },
+
+  // file preview
+  {
+    find: ".openFullPreviewSection,",
+    replace: {
+      match: /(?<=let{text:(\i),language:(\i)}=\i),(?=\i=\(\)=>)/,
+      replacement: (_, text, language) => `;
+if(${language}.toLowerCase()!=="ansi")
+  ${text}=require("unindent_unindent").default(${text});
+let `
+    }
+  }
+];
+
+export const webpackModules: Record<string, ExtensionWebpackModule> = {
+  unindent: {},
+  replacer: {
+    dependencies: [
+      { ext: "commands", id: "commands" },
+      { ext: "unindent", id: "unindent" }
+    ],
+    entrypoint: true
+  }
+};

src/unindent/manifest.json

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+{
+  "$schema": "https://moonlight-mod.github.io/manifest.schema.json",
+  "id": "unindent",
+  "version": "1.0.0",
+  "meta": {
+    "name": "Unindent",
+    "tagline": "Fixes indentation in codeblocks",
+    "authors": ["Cynosphere"],
+    "tags": ["chat"],
+    "source": "https://github.com/Cynosphere/moonlight-extensions",
+    "donate": "https://ko-fi.com/Cynosphere"
+  },
+  "dependencies": ["commands"],
+  "apiLevel": 2
+}

src/unindent/webpackModules/replacer.ts

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+import Commands from "@moonlight-mod/wp/commands_commands";
+import unindent from "./unindent";
+
+const REGEX_CODEBLOCK = /```(?:([a-z0-9_+\-.]+?)\n)?\n*([^\n][^]*?)(\n*)```/i;
+const REGEX_CODEBLOCK_GLOBAL = new RegExp(REGEX_CODEBLOCK.source, "gi");
+
+Commands.registerLegacyCommand("unindent", {
+  match: REGEX_CODEBLOCK,
+  action: (content) => {
+    content = content.replace(REGEX_CODEBLOCK_GLOBAL, (block) => {
+      const match = block.match(REGEX_CODEBLOCK)!;
+      const lang = match[1] ?? "";
+      if (lang.toLowerCase() === "ansi") return block;
+
+      const newline = match[3] ?? "";
+
+      let blockContent = match[2];
+      blockContent = unindent(blockContent);
+
+      return `\`\`\`${lang}\n${blockContent}${newline}\`\`\``;
+    });
+
+    return { content };
+  }
+});

src/unindent/webpackModules/unindent.ts

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+export default function unindent(str: string) {
+  // remove tabs (bots + file preview)
+  str = str.replaceAll("\t", "    ");
+
+  const minIndent =
+    str.match(/^ *(?=\S)/gm)?.reduce((previous, current) => Math.min(previous, current.length), Infinity) ?? 0;
+
+  if (!minIndent) return str;
+  return str.replace(new RegExp(`^ {${minIndent}}`, "gm"), "");
+}